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39 results about "Atom binding" patented technology
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The binding energy of an atom (including its electrons) is not the same as the binding energy of the atom's nucleus. The measured mass deficits of isotopes are always listed as mass deficits of the neutral atoms of that isotope, and mostly in MeV.
Curing resin, method for producing same and curing resin composition
InactiveUS20060079605A1Increasing advantageous effectHigh viscosityOrganic non-macromolecular adhesiveCellulose adhesivesMethacrylateSilylene
An object of the present invention is to provide a curable resin having a silyl group at the terminal that is also moisture-hardening resin which has lower in viscosity when it is used and provides superior adhesiveness when it is utilized for adhesive, sealant, and paint. The object of the invention could be achieved by a curable resin that has silicon atom-containing groups having a silicon atom bound to one or more hydrolysable groups such as alkoxy groups, acetoxy groups and oxim groups at the ends of the molecule, thioether and hydroxyl groups in the molecule, and a polymer having a polyoxyalkylene, (meth)acrylic ester, or hydrocarbon polymer as the main chain skeleton.
Owner:KONISHI CO
Coating composition and cured product
InactiveUS20020051889A1Improve adhesionNice appearanceLayered productsCoatingsWeather resistanceSilylene
A coating composition excellent in storage stability, excellent in coating appearance, adhesion and weather resistance, high in hardness, having ultraviolet absorbing ability, and capable of preventing deterioration of a ground or a substrate, which comprises (A) a polymer containing (a1) a silyl group having a silicon atom bound to a hydrolytic group and / or a hydroxyl group, (a2) a group having ultraviolet absorbing ability and (a3) a group having ultraviolet stability in the same polymer chain, and further optionally comprises (B) at least one component selected from the group consisting of an organosilane represented by (R1)nSi(OR2)4-n, a hydrolyzate of the organosilane and a condensate of the organosilane; and a cured product thereof.
Owner:NEC CORP +1
Organic silicon oxide core-shell particles and preparation method thereof, porous film-forming composition, porous film and formation method thereof, and semiconductor device
InactiveUS7754330B2Increasing the thicknessImprove reliabilityOther chemical processesElectric discharge tubesSilanesCarbon chain
Owner:SHIN ETSU CHEM CO LTD +1
Organic silicon oxide fine particles and preparation method thereof, porous film-forming composition, porous film and formation method thereof, and semiconductor device
InactiveUS20100233482A1Increasing the thicknessImprove reliabilityOther chemical processesSynthetic resin layered productsSilanesSilicon oxide
Owner:HAMADA YOSHITAKA +4
Heating solidified low density liquid silicon rubber composition and low density silicon rubber formed object
To provide a heat-curable and low-specific gravity liquid silicone rubber composition excellent in storage stability and, after cured, giving a silicone rubber molded product slight in hardness change by heat and slight in compression set. The heat-curable and low-specific gravity liquid silicone rubber composition comprises (A) a liquid diorganopolysiloxane containing in one molecule at least two silicon atom-bound alkenyl groups and having a viscosity of 100-100,000 mPa.s, (B) an organopolysiloxane having in one molecule at least two silicon atom-bound hydrogen atoms, (C) a hydrosilylation catalyst, (D) glass microballoon powder, (E) a specific organopolysiloxane oligomer having silicon atom-bound alkoxysilyl group-containing organic groups, and (F) an organopolysiloxane oligomer whose molecular chain both ends are blocked with diorganohydroxysilyl groups.
Owner:DOW CORNING TORAY CO LTD
Novel living radical polymerization method using alcohol as catalyst
ActiveUS20110124832A1Low toxicityImprove solubilityOrganic compound preparationGroup 8/9/10/18 element organic compoundsSolubilityOxygen
Provided is a low-cost, environmentally friendly living radical polymerization catalyst having high activity. The catalyst is used for a living radical polymerization method, and contains a central element consisting of oxygen and at least one halogen atom bound to the central element. Furthermore, an alcohol compound can be used as a catalyst precursor. By polymerizing a monomer in the presence of the catalyst, a polymer having narrow molecular weight distribution can be obtained, and the cost of the living radical polymerization can be remarkably reduced. The present invention is significantly more environmentally friendly and economically excellent than conventional living radical polymerization methods, due to advantages of the catalyst such as low toxicity of the catalyst, low amount of the catalyst necessary, high solubility of the catalyst, mild reaction conditions, and no coloration / no odor (which do not require a post-treatment for a molded article), and the like.
Owner:KYOTO UNIV
Putty-like heat transfer material and method for producing same
InactiveCN104136569AImprove liquidityEasy to squeeze outSemiconductor/solid-state device detailsSolid-state devicesParticulatesHydrogen atom
A putty-like heat transfer material according to the present invention comprises heat-conductive particles dispersed in an organopolysiloxane, wherein the organopolysiloxane is a silicone sol produced by partially crosslinking a base polymer (a) with a crosslinking component (b), wherein the base polymer (a) comprises an organopolysiloxane that contains at least two alkenyl groups each bound to a silicon atom located at the terminal of the molecular chain (also referred to as "silicon-atom-bound alkenyl groups") per molecule on average, the crosslinking component (b) comprises an organopolysiloxane that contains at least two hydrogen atoms each bound to a silicon atom per molecule on average, and the partial crosslinking is carried out at such a ratio that the amount of the crosslinking component (b) is less than 1 mole relative to 1 mole of the silicon-atom-bound alkenyl group contained in the component (a). Thus, provided are: a putty-like heat transfer material which can exhibit good fluidability even when an inorganic particulate filler is added in a larger amount, can be extruded through a tube or a syringe readily, and can have a self-shape-retaining property when being allowed to stand; and a method for producing the putty-like heat transfer material.
Owner:FUJI POLYMER INDUSTRIES CO LTD
Organosiloxane, curable silicone composition, and semiconductor device
ActiveCN106459102AImprove adhesionImprove reliabilitySilicon organic compoundsNon-macromolecular adhesive additivesHydrogenHydrogen atom
An organosiloxane represented by a general formula; a curable silicone composition comprising at least (A) an organopolysiloxane having at least two alkenyl groups per molecule, (B) an organohydrogenpolysiloxane having, per molecule, at least two hydrogen atoms each having a silicon atom bound thereto, (C) an adhesion promoter comprising the above-mentioned organosiloxane and (D) a hydrosilylation reaction catalyst; and a semiconductor device in which a semiconductor element is sealed with a cured product of the above-mentioned composition. Provided are: a novel organosiloxane; a curable silicone composition which contains the organosiloxane as an adhesion promoter and can be formed into a cured article having excellent adhesion to various base materials; and a semiconductor device which is produced using the composition and has excellent reliability.
Owner:DOW TORAY CO LTD
Metal Complex, Luminescent Solid, Organic El Element and Organic El Display
InactiveUS20070296329A1Improve emission efficiencyStrong emissionDischarge tube luminescnet screensElectroluminescent light sourcesHalogenEffect light
The present invention aims to provide metal complexes, suited to luminescent materials or color transfer materials in organic EL elements or lighting systems. The metal complexes according to the present invention comprise a metal atom, a tridentate ligand, and one of monodentate ligands and halogen atoms, wherein the tridentate ligand binds to the metal atom at three sites through three nitrogen atoms of a first nitrogen atom, a second nitrogen atom and a third nitrogen atom, and the one of monodentate ligands and halogen atoms binds to the metal atom. The metal complexes are preferably expressed by General Formula (1) shown below.
Owner:UDC IRELAND
GaAs semiconductor substrate and fabrication method thereof
A GaAs semiconductor substrate includes a surface layer. When an atomic ratio is to be calculated using a 3d electron spectrum of Ga atoms and As atoms measured at the condition of 10° for the photoelectron take-off angle θ by X-ray photoelectron spectroscopy, the structural atomic ratio of all Ga atoms to all As atoms (Ga) / (As) at the surface layer is at least 0.5 and not more than 0.9, the ratio of As atoms bound with O atoms to all Ga atoms and all As atoms (As—O) / {(Ga)+(As)} at the surface layer is at least 0.15 and not more than 0.35, and the ratio of Ga atoms bound with O atoms to all Ga atoms and all As atoms (Ga—O) / {(Ga)+(As)} at the surface layer is at least 0.15 and not more than 0.35. Accordingly, there is provided a GaAs semiconductor substrate having a surface cleaned to an extent allowing removal of impurities and oxides at the surface by at least thermal cleaning of the substrate.
Owner:SUMITOMO ELECTRIC IND LTD
Electron-driven chirality switches
InactiveUS7024068B2High data densityLess powerLiquid crystal compositionsGroup 1/11 organic compounds without C-metal linkagesSwitch ComplexesOxidation state
Complexes of organic ligands with a metal ion exhibit unique conformation and spectroscopic properties upon changes in oxidation state of the metal ion. The metal is a redox-active metal ion and may possess additional ligands bonded to it. The organic ligand has three “arms” that are linked together at a central atom; each arm contains atoms that may also coordinate to the metal ion. At least two of the arms possess chromophoric properties. At least one arm contains two different groups that may coordinate to the metal ion. In one oxidation state, a first atom binds to the metal. In a second oxidation state, a second atom binds to the metal. This change in coordination of the metal ion results in a rotation of one of the arms, which changes the orientation of another group, which inverses the orientation of the two chromophoric species with respect to one another.
Owner:NEW YORK UNIV
Neutron and multi-neutron generator
Neutrons and multi-neutron particles are generated in a specially configured solid iron electrical solenoid in which photoneutrons from a metallic strip irradiated by laser photons are selectively polarized and fused together. Nuclear binding energy is released by the nuclear reaction. These neutron generators can be joined in a series so that one feeds neutrons into the next neutron generator to increase the output neutron flux density.
Owner:SCHMIDT WILLARD H
Polymeric compound containing metal complex residue and element comprising same
A polymeric compound contains a residue of a metal complex represented by formula (1), wherein M represents a metal atom selected from ruthenium, rhodium, palladium, osmium, iridium and platinum; R1, R2, R3, R4, R5, R6 and R8 independently represent a hydrogen atom, a halogen atom, an alkyl group, or the like; m represents an integer of 1 to 3; n represents an integer of 0 to 2; Z1, Z2, Z3, Z4 and Z5 independently represent a carbon atom or a nitrogen atom, provided that at least two member of Z1, Z2, Z3, Z4 and Z5 represent a nitrogen atom, and when any one member of Z1, Z2, Z3, Z4 and Z5 represents a carbon atom, a hydrogen atom bound to the carbon atom may be substituted by a substituent; a moiety represented by formula (2) represents a bidentate monoanionic ligand; and Rx and Ry are atoms bound to the metal atom M and independently represent a carbon atom, an oxygen atom or a nitrogen atom, and a bivalent group.
Owner:SUMITOMO CHEM CO LTD
Curable silicone composition and optical semiconductor device
InactiveCN106715591AGood adhesionImprove reliabilitySemiconductor/solid-state device detailsSolid-state devicesHydrogen atomPolymer science
A curable silicone composition comprising at least: (A) an organopolysiloxane having at least two alkenyl groups per molecule; (B) an organohydrogenpolysiloxane having, per molecule, at least two hydrogen atoms each having a silicon atom bound thereto; (C) an adhesion promoter represented by an average unit formula; and (D) a hydrosilylation reaction catalyst. Provided are: a curable silicone composition which has high adhesion to a base material and can be formed into a transparent cured article; and an optical semiconductor device which is produced using the composition and has excellent reliability.
Owner:DOW TORAY CO LTD
Polymeric chelators for radionuclide delivery systems
InactiveUS20070224115A1Increase effective decay-particle yieldReduce ancillary toxicityRadioactive preparation carriersRadiation therapyWater solubleAtom binding
A radionuclide delivery system that is based upon amorphous, water-soluble polymeric chelators. Each water-soluble polymeric chelator is capable of delivering hundreds of radionuclide atoms to the target. The chemical and physical characteristics of the globular polymer increase the effective decay-particle yield at the target cells and reduce ancillary toxicity due to errant daughter radionuclides by retaining or rebinding daughter nuclei. The delivery system includes a water-soluble polymeric chelator having a plurality of chelating groups; and a plurality of radionuclide atoms bound to a least a portion of the chelating groups, wherein the plurality of chelating groups immobilize at least a portion of the plurality of radionuclide atoms.
Owner:LOS ALAMOS NATIONAL SECURITY
Catalyst for living radical polymerization
ActiveUS8575285B2High activityLow toxicityOrganic compound preparationOrganic-compounds/hydrides/coordination-complexes catalystsSolubilityLiving free-radical polymerization
Provided is a catalyst used for a living radical polymerization method, which contains a central element consisting of carbon and at least one halogen atom binding to the central element. Further, a hydrocarbon compound can be used as a catalyst precursor. A monomer having a radical-reactive unsaturated bond is subjected to a radical polymerization reaction in the presence of the catalyst, consequently a polymer having narrow molecular weight distribution can be obtained, and thus the cost of the living radical polymerization can be remarkably reduced. The present invention is significantly more environmentally friendly and economically excellent than conventional living radical polymerization methods, due to advantages such as low toxicity of the catalyst, low amount of the catalyst used, high solubility of the catalyst, mild reaction conditions, and no coloration / no odor (no need of any post-treatments for a molded article), and the like.
Owner:KYOTO UNIV
Laser cladding tungsten carbide ceramic particle reinforced metal-based coating and its processing method
ActiveCN105112908BImprove bindingImprove wettabilityMetallic material coating processesAlloyChromium
The invention discloses a metal-based coating reinforced by laser cladding tungsten carbide ceramic particles, which includes alloy powder, the alloy powder includes tungsten powder and graphite with a molar ratio of 2:1, and the alloy powder also includes reduced iron powder and chromium powder , nickel powder, boron powder, silicon powder and copper powder; the composition and percentage mass ratio of further preferred alloy powder are respectively: tungsten powder 55-60%, graphite 7-9%, reduced iron powder 23-30%, chromium 0-3% nickel powder, 2-6% nickel powder, 0.3-1% boron powder, and 0.4-1% silicon powder; the invention also discloses a processing method for laser cladding tungsten carbide ceramic particle reinforced metal-based coating, the invention The tungsten carbide particle reinforcement phase was successfully prepared by laser cladding in-situ synthesis technology to strengthen the iron-based composite material. There is a transition layer between the coating and the substrate, indicating that they are atomically bonded and have a high bonding strength.
Owner:WENZHOU UNIVERSITY
Method for producing a passivated semiconductor structure based on group iii nitrides, and one such structure
ActiveUS20180012753A1Avoid reactionGuaranteed late growthSemiconductor/solid-state device manufacturingSemiconductor devicesSemiconductor structureNitrogen
The invention relates to a method for producing a semiconductor structure, characterised in that the method comprises a step (201) of depositing a crystalline passivation layer continuously covering the entire surface of a layer based on group III nitrides, said crystalline passivation layer, which is deposited from a precursor containing silicon atoms and a flow of nitrogen atoms, consisting of silicon atoms bound to the surface of the layer based on group III nitrides and arranged in a periodical arrangement such that a diffraction image of said crystalline passivation layer obtained by grazing-incidence diffraction of electrons in the direction [1-100] comprises:two fractional order diffraction lines (0, −⅓) and (0, −⅔) between the central line (0, 0) and the integer order line (0, −1), andtwo fractional order diffraction lines (0, ⅓) and (0, ⅔) between the central line (0, 0) and the integer order line (0, 1).
Owner:CENT NAT DE LA RECHERCHE SCI
GaAs semiconductor substrate and fabrication method thereof
A GaAs semiconductor substrate includes a surface layer. When an atomic ratio is to be calculated using a 3d electron spectrum of Ga atoms and As atoms measured at the condition of 10° for the photoelectron take-off angle θ by X-ray photoelectron spectroscopy, the structural atomic ratio of all Ga atoms to all As atoms (Ga) / (As) at the surface layer is at least 0.5 and not more than 0.9, the ratio of As atoms bound with O atoms to all Ga atoms and all As atoms (As—O) / {(Ga)+(As)} at the surface layer is at least 0.15 and not more than 0.35, and the ratio of Ga atoms bound with O atoms to all Ga atoms and all As atoms (Ga—O) / {(Ga)+(As)} at the surface layer is at least 0.15 and not more than 0.35. Accordingly, there is provided a GaAs semiconductor substrate having a surface cleaned to an extent allowing removal of impurities and oxides at the surface by at least thermal cleaning of the substrate.
Owner:SUMITOMO ELECTRIC IND LTD
Morphinan derivative
ActiveUS10442802B2Good effectSuppression of gastrointestinal motilityOrganic active ingredientsSenses disorderHydrogenMorphine
A morphinan derivative represented by the following general formula (I):(wherein R1 represents hydrogen, C1-10 alkyl, cycloalkylalkyl where the cycloalkyl moiety has 3 to 6 carbon atoms, and the alkylene moiety has 1 to 5 carbon atoms, etc.,R2 represents heterocyclic ring containing 1 to 4 heteroatoms selected from N, O and S and at least one carbon atom as ring-constituting atoms, containing at least one set of adjacent ring-constituting atoms bound by a double bond, and further substituted with at least one oxo group,Y binds to a carbon atom as a ring-constituting atom of R2,R3, R4, and R5 represent hydrogen; hydroxy, etc.,R6a and R6b represent hydrogen, etc.,R7 and R8 represent hydrogen, etc.,R9 and R10, which are the same or different, represent hydrogen, etc.,X represents O or CH2, andY represents C(═O)),a tautomer or stereoisomer of the compound, or a pharmaceutically acceptable salt thereof, or a solvate thereof is used as an anxiolytic drug, antidepressant, etc.
Owner:NIPPON CHEMIPHAR CO LTD
Catalyst for living radical polymerization
ActiveUS20110275775A1High activityLow toxicityOrganic compound preparationOrganic-compounds/hydrides/coordination-complexes catalystsSolubilityLiving free-radical polymerization
Provided is a catalyst used for a living radical polymerization method, which contains a central element consisting of carbon and at least one halogen atom binding to the central element. Further, a hydrocarbon compound can be used as a catalyst precursor. A monomer having a radical-reactive unsaturated bond is subjected to a radical polymerization reaction in the presence of the catalyst, consequently a polymer having narrow molecular weight distribution can be obtained, and thus the cost of the living radical polymerization can be remarkably reduced. The present invention is significantly more environmentally friendly and economically excellent than conventional living radical polymerization methods, due to advantages such as low toxicity of the catalyst, low amount of the catalyst used, high solubility of the catalyst, mild reaction conditions, and no coloration / no odor (no need of any post-treatments for a molded article), and the like.
Owner:KYOTO UNIV
Adhesion type grapheme nano material wire connection ironware and connection method
ActiveCN103094727AStable and effective gripSimple structureOverhead installationLine/current collector detailsAtom bindingElectrical and Electronics engineering
The invention provides adhesion type grapheme nano material wire connection ironware and a connection method. The adhesion type grapheme nano material wire connection ironware and the connection method solves the difficulties in construction of adhesion type grapheme nano material wires and provides technical support for engineering application of the grapheme nano material wires. The connection ironware comprises a grapheme membrane connection casing pipe which is composed of fan-shaped sheets, wherein the section of each fan-shaped sheet is in a circular arc shape. The inner surface and the outer surface of each fan-shaped sheet are in a smooth structure. A through hole is formed in the grapheme membrane connection casing pipe and penetrates the fan-shaped sheets along the radial direction of the grapheme membrane connection casing pipe. The width of the through hole is less than that of each fan-shaped sheet. The connection method adopts a hot-gas method. Two wires to be connected are connected with each other through the connection ironware. Atom binding force exists in the connection position. The connection position guarantees tension transmission and simultaneously transmits electric load.
Owner:CHINA ELECTRIC POWER RES INST +1
Drug-metabolizing enzyme prediction apparatus
A drug-metabolizing enzyme prediction apparatus acquires compound structure information, identifies binding site information and molecular species information based on a binding-site identifying condition, specifies a pinching point that is an atom binding at least between a reactive site and a binding site, acquires pinching point information on the specified pinching point and reactive site information on the reactive site bound to the pinching point, and identifies the acquired reactive site information based on a reactive-site identifying condition and the acquired pinching point information based on a pinching-point identifying condition.
Owner:FUJITSU LTD +1
Pet imaging tracer for imaging prostate cancer
InactiveUS20180064742A1Avoid absorptionIsotope introduction to sugar derivativesOrganic active ingredientsRadioactive tracerPet imaging
In various embodiments, the invention provides a radiotracer comprising a positron emitting atom bound to a deoxy sugar moiety. The radiotracer is reversible bound to a caging moiety that prevents or retards tissue uptake of the radiotracer while the caging moiety is in place. An exemplary caging moiety is acid labile and is cleaved upon uptake of the radiotracer by tissue with an acidic pH.
Owner:WILSON DAVID +1
Morphinan derivative
ActiveUS20180057493A1Good effectSuppression of gastrointestinal motilityOrganic active ingredientsSenses disorderHydrogenHeteroatom
A morphinan derivative represented by the following general formula (I):(wherein R1 represents hydrogen, C1-10 alkyl, cycloalkylalkyl where the cycloalkyl moiety has 3 to 6 carbon atoms, and the alkylene moiety has 1 to 5 carbon atoms, etc.,R2 represents heterocyclic ring containing 1 to 4 heteroatoms selected from N, O and S and at least one carbon atom as ring-constituting atoms, containing at least one set of adjacent ring-constituting atoms bound by a double bond, and further substituted with at least one oxo group,Y binds to a carbon atom as a ring-constituting atom of R2,R3, R4, and R5 represent hydrogen; hydroxy, etc.,R6a and R6b represent hydrogen, etc.,R7 and R8 represent hydrogen, etc.,R9 and R10, which are the same or different, represent hydrogen, etc.,X represents O or CH2, andY represents C(═O)),a tautomer or stereoisomer of the compound, or a pharmaceutically acceptable salt thereof, or a solvate thereof is used as an anxiolytic drug, antidepressant, etc.
Owner:NIPPON CHEMIPHAR CO LTD
Curing resin, method for producing same and curing resin composition
InactiveUS7449519B2High viscosityGood effectOrganic non-macromolecular adhesiveCellulose adhesivesSilyleneMeth-
An object of the present invention is to provide a curable resin having a silyl group at the terminal that is also moisture-hardening resin which has lower in viscosity when it is used and provides superior adhesiveness when it is utilized for adhesive, sealant, and paint. The object of the invention could be achieved by a curable resin that has silicon atom-containing groups having a silicon atom bound to one or more hydrolysable groups such as alkoxy groups, acetoxy groups and oxim groups at the ends of the molecule, thioether and hydroxyl groups in the molecule, and a polymer having a polyoxyalkylene, (meth)acrylic ester, or hydrocarbon polymer as the main chain skeleton.
Owner:KONISHI CO
A uniformly modified silicon-based composite material and its preparation method and application
ActiveCN113437271BImprove fast charging performanceImprove the first Coulombic efficiencySilicaNegative electrodesComposite pelletElemental carbon
The invention relates to a uniformly modified silicon-based composite material and its preparation method and application. The general formula of the silicon-based composite material is SiC x A y o z ; 0<x<20; 0<y<10; 0<z<10; wherein, A is among B, Al, Mg, Ca, Fe, Co, Ni, Cu, Zn, Ge, Sn, Li One or more of C, C is uniformly dispersed in the particles of the silicon-based composite material at the atomic scale, and there is no agglomeration of carbon elements above 20nm; some or all of the carbon atoms combine with the silicon atoms to form disordered Si‑C bonds ; In the Focused Ion Beam-Transmission Electron Microscope F I B-TEM test of the silicon-based composite material, the energy spectrum surface scan of the particle cut surface shows that the silicon element, carbon element, A element, and oxygen element are uniformly distributed in the particle; the silicon-based composite material The microstructure is a heterogeneous dispersed structure; the average particle diameter D of the silicon-based composite particles 50 1nm‑100μm, the specific surface area is 0.5m 2 / g‑40m 2 / g; the mass of the carbon atom accounts for 0.1%-40% of the mass of the silicon-based composite material; the mass of the A element accounts for 3%-40% of the mass of the composite particle.
Owner:LIYANG TIANMU PILOT BATTERY MATERIAL TECH CO LTD
Morphinan derivative
InactiveUS20210371422A1Superior antidepressive effect effectSuperior effect and anxiolytic effectSenses disorderNervous disorderMorphineMorphinan
A compound represented by the following general formula (I),wherein R1 represents hydrogen, C1-10 alkyl, cycloalkylalkyl where the cycloalkyl moiety has 3 to 6 carbon atoms and the alkylene moiety has 1 to 5 carbon atoms, or the like,R2 represents a 4- to 7-membered saturated heterocycle containing one or two heteroatoms which may be the same or different and are selected from N, O, and S, and two or more carbon atoms as ring-constituting atoms, the heterocycle may be substituted with a substituent such as an oxo group,R2 binds to Y via a carbon atom as a ring-constituting atom of R2,R3, R4, and R5, which are the same or different, represent hydrogen; hydroxy; or the like,R6a and R6b, which are the same or different, represent hydrogen or the like,R7 and R8, which are the same or different, represent hydrogen or the like,R9 and R10, which are the same or different, represent hydrogen or the like,X represents O or CH2, andY represents C(═O) or the like),a tautomer of the compound, a stereoisomer of the compound, a pharmaceutically acceptable salt thereof, or a solvate thereof is used as an anxiolytic, an antidepressant, or the like.
Owner:NIPPON CHEMIPHAR CO LTD
Heating solidified low density liquid silicon rubber composition and low density silicon rubber formed object
To provide a heat-curable and low-specific gravity liquid silicone rubber composition excellent in storage stability and, after cured, giving a silicone rubber molded product slight in hardness change by heat and slight in compression set. The heat-curable and low-specific gravity liquid silicone rubber composition comprises (A) a liquid diorganopolysiloxane containing in one molecule at least two silicon atom-bound alkenyl groups and having a viscosity of 100-100,000 mPa.s, (B) an organopolysiloxane having in one molecule at least two silicon atom-bound hydrogen atoms, (C) a hydrosilylation catalyst, (D) glass microballoon powder, (E) a specific organopolysiloxane oligomer having silicon atom-bound alkoxysilyl group-containing organic groups, and (F) an organopolysiloxane oligomer whose molecular chain both ends are blocked with diorganohydroxysilyl groups.
Owner:DOW CORNING TORAY CO LTD
Quantum logic
This invention concerns a method to switch on and off the exchange interaction J between electron spins bound to donor atoms. The electron spins have the role of ‘qubits’ to carry quantum information, and the exchange interaction J has the role of mediator for two-qubit quantum logic operations. The invention aims at exploiting the existence of a further magnetic interaction, the hyperfine interaction A, between each electron spin and the nuclear spin of the donor atom (301, 302) that binds the electron. The hyperfine interaction A, together with the ability to read out (504) and control the state of the nuclear spins, is used to suppress the effect of the exchange interaction J at all times, except while a quantum logic operation is being performed. In this way, the result of the quantum logic operation is not distorted after the operation has taken place. In a further aspect, the invention concerns an electronic device where the method can be practically implemented, and a large scale device made up of many of the devices.
Owner:NEWSOUTH INNOVATIONS PTY LTD
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