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301results about How to "Low compressibility" patented technology

Minimally compliant, volume efficient piston for osmotic drug delivery systems

An osmotic pump having a minimally compliant, volume-efficient piston positioned within a capsule is provided. The capsule has an interior surface, a beneficial agent, and an osmotic agent. The piston is movable with respect to an interior surface of the capsule, and defines a movable seal with the interior surface of the capsule. The movable seal separates the osmotic agent from the beneficial agent. The piston has a length-to-total-diameter ratio of about 1.1:1 and a core-diameter-to-total-diameter ratio of about 0.9:1. The piston enables greater beneficial agent and / or osmotic agent payload without increasing the size of the capsule. The osmotic agent imbibes liquid from a surrounding environment through a semipermeable body to cause the piston to move and, in turn, cause delivery of the beneficial agent from the capsule.
Owner:INTARCIA THERAPEUTICS INC

System and method for using a compressed main memory based on degree of compressibility

A method and structure for reducing access latency and contention in a processing system is disclosed. The invention detects when the amount of available memory is outside a prescribed range, and responsively selects data blocks for compression (to add to the available memory,) or decompression (to use surplus available memory for uncompressed data,) until the amount of available memory is within the prescribed range. When data blocks are compressed, a DOC is determined and stored as an attribute in the directory entry associated with the data block. A most recently used list of recent data block addresses prevents those, as well those data blocks with poor DOC attributes, from being selected for recompression. All zero data blocks are detected to avoid standard compression / decompression overhead.
Owner:IBM CORP

Medical device having a coating layer with structural elements therein and method of making the same

The invention pertains to coated medical devices, such as stents and balloon catheters, for delivering a biologically active material to body tissue of a patient. The medical device has a coating layer comprising a biocompatible polymer, non-polymer material, or biologically active material disposed on its surface, and at least one structural element embedded within the coating layer. The structural elements reduce the compressibility of the coating layer. The structural element may be any shape or configuration. A biologically active material may be dispersed within the coating layer or structural elements. Methods for making such medical devices are also disclosed.
Owner:BOSTON SCI SCIMED INC

Filtration cartridge and process for filtering a slurry

A depth filter design is disclosed which has little if any open void area upstream of the media. Preferably, it also has little if any open void area downstream of the media as well. A preferred embodiment uses layers of stacked, fibrous media with several of the layers being separated from the others by spacers which serve to compress the media and to prevent the bypass of fluid around the media adjacent the inner wall of the housing. Several designs for attaching the end caps which allow for the compression of the media are also disclosed.
Owner:ENTEGRIS INC

Energy returning prosthetic foot

InactiveUS20060212131A1Free from undesired noiseIncrease flexibilityArtificial legsMomentumHeel strike
The present invention relates to a prosthetic foot comprising a rear foot portion having an attachment platform and a heel strike, and a front foot portion having a momentum interrupter and a toe plate. As the foot approaches toe-off, the toe plate flexibly deflects upwards and the momentum interrupter compresses. The amount of returned energy at toe-off is comprised from stored flexural energy of the toe plate and stored expansive energy of the momentum interrupter. The toe plate of the present invention can have a split toe design. Further, mechanically adjustable stiffeners can be incorporated into the design if desired.
Owner:AMERICAN PROSTHETIC COMPONENTS

Polishing method for semiconductor wafer and polishing pad used therein

In a polishing method for a semiconductor wafer in which polishing slurry is interposed between the semiconductor wafer and a polishing pad and the semiconductor wafer is mirror-polished by a polishing step for planarization, when polishing is conducted using a suede-like foam urethane resin polishing pad having physical properties of low compressibility lower than 9 % and high pore density equal to or higher than about 150 pores / cm.sup.2 as the polishing pad used in the polishing step, a mirror silicon wafer with good surface roughness of 50 bits in haze can be manufactured.
Owner:SHIN-ETSU HANDOTAI CO LTD

Rotational thrombectomy wire

A rotatable thrombectomy wire for breaking up thrombus or other obstructive material comprising an inner core composed of a flexible material and an outer wire surrounding at least a portion of the inner core. The outer wire has a sinuous shaped portion at a distal region. The inner core limits the compressibility of the outer wire. The outer wire is operatively connectable at a proximal end to a motor for rotating the wire to macerate thrombus.
Owner:ARGON MEDICAL DEVICES

Method for the production of commercial nanoparticle and micro particle powders

InactiveUS20120160944A1Lower static chargeCohesiveness profileBiocidePowder deliveryParticulatesNanoparticle
The present invention relates to methods for producing nanoparticle and microparticle powders of a biologically active material which have improved powder handling properties making the powders suitable for commercial use using dry milling processes as well as compositions comprising such materials, medicaments produced using said biologically active materials in particulate form and / or compositions, and to methods of treatment of an animal, including man, using a therapeutically effective amount of said biologically active materials administered by way of said medicaments.
Owner:ICEUTICA PTY LTD

Sludge-dewatering compound conditioning agent and application method thereof

The invention provides a sludge-dewatering compound conditioning agent and an application method thereof. The sludge-dewatering compound conditioning agent comprises a Fenton reagent or / and similar Fenton reagent and a skeleton construct, and the weight ratio of the Fenton reagent or / and similar Fenton reagent and the skeleton construct is 1: (0.05-300); and the skeleton construct adopts a powder body. The application method comprises the following steps: adding the Fenton reagent or / and similar Fenton reagent into sludge slurry, and mixing for oxidation; and adding the skeleton construct into the sludge slurry with the Fenton reagent or / and similar Fenton reagent, and mixing. Due to synergy of the Fenton reagent or / and similar Fenton reagent and the powder type skeleton construct, extracellular polymeric substances in sludge can be destructed effectively, the compressibility of organic substances can be reduced, and the sludge dewatering performance of the sludge-dewatering compound conditioning agent can be improved greatly. The procedures of the application method are simple, the conditions can be controlled easily, the sludge dewatering time can be shortened, and the large-scale treatment of the sludge can be realized.
Owner:UNIVERSTAR SCI & TECH SHENZHEN +1

Methods, systems and catalysts for the hydration of olefins

The present invention provides a system, method and catalyst for olefin hydration. The method includes hydrating the olefin using a base treated, sulfonated, halogenated and acid regenerated thermally stable catalyst. In several variants, the olefin hydration comprises butene hydration, propene hydration, hydration of cyclohexene, propylene hydration, pentene hydration, hexene hydration, and heptene hydration. The present invention also provides a method of making a catalyst for olefin hydration, and provides alcohols manufactured by the catalyst(s), systems and methods described herein.
Owner:COLLIN JENNIFER REICHI +1

System and method for using a compressed main memory based on degree of compressibility

A method and structure for reducing access latency and contention in a processing system is disclosed. The invention detects when the amount of available memory is outside a prescribed range, and responsively selects data blocks for compression (to add to the available memory,) or decompression (to use surplus available memory for uncompressed data,) until the amount of available memory is within the prescribed range. When data blocks are compressed, a DOC is determined and stored as an attribute in the directory entry associated with the data block. A most recently used list of recent data block addresses prevents those, as well those data blocks with poor DOC attributes, from being selected for recompression. All zero data blocks are detected to avoid standard compression / decompression overhead.
Owner:IBM CORP

Interface materials and methods of production and use thereof

An interface material comprising a resin mixture and at least one solder material is herein described. The resin material may comprise any suitable resin material, but it is preferred that the resin material be silicone-based comprising one or more compounds such as vinyl silicone, vinyl Q resin, hydride functional siloxane and platinum-vinylsiloxane. The solder material may comprise any suitable solder material, such as indium, silver, copper, aluminum and alloys thereof, silver coated copper, and silver coated aluminum, but it is preferred that the solder material comprise indium or indium-based compounds and / or alloys. The interface material, or polymer solder, has the capability of enhancing heat dissipation in high power semiconductor devices and maintains stable thermal performance. The interface material may be formulated by mixing the components together to produce a paste which may be applied by dispensing methods to any particular surface and cured at room temperature or elevated temperature. It can be also formulated as a highly compliant, cured, tacky elastomeric film or sheet for other interface applications where it can be preapplied, for example on heat sinks, or in any other interface situations.
Owner:HONEYWELL INT INC

Medicinal preparation containing 5-methyl-1-phenyl-2-(1h)-pyridone as active ingredient

A tablet characterized by comprising 5-methyl-1-phenyl-2-(1H)-pyridone as the main ingredient and, based on the main ingredient, 10 to 50 wt. % excipient, 5 to 40 wt. % disintegrator, 1 to 10 wt. % binder, 0.5 to 5 wt. % lubricant, 2 to 6 wt. % coating basis, and 0.05 to 3 wt. % light-shielding agent, wherein the odor or bitterness of the 5-methyl-1-phenyl-2-(1H)-pyridone is masked and the light stability is improved.
Owner:INTERMUNE INC

Production method for sintered machine components

A production method for sintered machine components, includes preparing an Fe alloy powder A, an Fe alloy powder B, an Fe—P powder, and a graphite powder. The Fe alloy powder A consists of, by mass %, 25 to 45% of Cr, 1.0 to 3.0% of Mo, 1.0 to 3.0% of Si, 0.5 to 1.5% of C, and the balance of Fe and inevitable impurities. The Fe alloy powder B consists of, by mass 15 to 35% of Cr, 15 to 30% of Ni, and the balance of Fe and inevitable impurities, and the Fe—P powder consists of 10 to 30 mass % of P and the balance of Fe and inevitable impurities. The production method further includes mixing 40 to 60 mass % of the Fe alloy powder B, 1.0 to 5.0 mass % of the Fe—P powder, and 0.5 to 3.5 mass % of the graphite powder with the Fe alloy powder A into a mixed powder. The production method further includes compacting the mixed powder into a green compact and sintering the green compact.
Owner:HITACHI POWDERED METALS COMPANY

Industrial roll with optical roll cover sensor system

An industrial roll is provided, comprising a transverse force transducing fiber Bragg sensor that is embedded in the roll cover and / or located in-between the roll cover and the roll core of the industrial roll. The transverse force transducing fiber Bragg sensor comprises a fiber optical waveguide having a fiber core and a fiber cladding, and a stud element being nonpositively joined to a partial area of the circumferential surface of the fiber optical waveguide. The fiber optical waveguide comprises a Bragg grating located in the fiber core, whereby the dimension of the partial area in the longitudinal direction of the fiber is longer than a grating spacing of the Bragg grating. The partial area is located at a section of the fiber optical waveguide housing the Bragg grating, and at least a first component of the stud element is formed from a first material having a Young's modulus of less than 10 kN / mm2.
Owner:VOITH PATENT GMBH

CMP retaining ring

An improved chemical mechanical polishing retaining ring. A representative embodiment comprises a base portion made from a wear-resistant plastic material, and an upper portion, or backbone portion, made from a stiffer and more wear resistant material. One of the base or backbone portion is preferably overmolded onto the other. The base portion can be generally defined by a flat pad-contacting surface, an outer surface, and an inner surface. The base portion can additionally include channels extending from the outer surface to the inner surface to facilitate transfer of slurry to and from the substrate to be polished during the process. One or both of the base portion or backbone portion further includes a plurality of circular ribs that serve to create additional bonding surface with the overmolded material. The retaining ring may additionally includes a plurality of bosses with threaded insert holes by which the retaining ring is attached to a chemical mechanical polishing system.
Owner:BURNS JOHN +4

Liquid filtration media containing melt-blown fibers

A filter and filter media configured and arranged for placement in a fuel stream is disclosed. The filter and filter media allow for filtering of liquid fuels, such as diesel fuel. In certain embodiments the filter media includes a media fiber, such as melt blown polyester; and a scaffold fiber, also such as such as melt blown polyester, having a larger diameter than the media fiber. The media and scaffold fibers combine to create a media structure having low solidity and relatively low compressibility, and which contain a pore structure that avoids premature fouling of the filter by fuel degradation products.
Owner:DONALDSON CO INC

Method for solidifying sludge with high water content

The invention discloses a method for solidifying sludge with a high water content. At first, dredged sludge is collected and stored, basic physical indexes of sludge are measured, the sludge and alkali residues are mixed to form matrix soil; a curing material is added and then is evenly mixed and stirred; then the matrix soil containing the curing agent is transported to a fixed location; the matrix soil is covered and cured for a prescribed period; and finally the mechanical indexes of cured sludge are measured. The optimal ratio of alkali residues to dry sludge is 30-50:100. The curing material comprises following components in percentage by the weight of dry mixed soil: 10 to 25% of mineral powder, 0.1 to 0.5% of super absorbent resin, and 2 to 6% of sodium silicate. The cooperative effect between alkali residues and sludge with a high water content is utilized to form matrix soil; super absorbent resin is used to reduce the water content of sludge, the utilization rate of alkali residues is increased, the solidification cost is reduced, and the solidified soil has the advantages of high early strength and low compressibility and meets the engineering requirements of filling soil.
Owner:HUBEI UNIV OF TECH

Carbonization mixing pile-ventilating pipe pile composite foundation and construction method thereof

The invention relates to a carbonization mixing pile-ventilating pipe pile composite foundation and a construction method thereof, belongs to the technical field of foundation treatment for civil construction engineering, and provides the carbonization mixing pile (CMP)-ventilating pipe pile composite foundation which is high in bearing capacity, high in construction efficiency, reliable in quality, low-carbon and environmentally-friendly and the construction method of the composite foundation so as to overcome and solve the defects and the problems in existing reinforcement technologies and magnesium oxide carbonization reinforcement methods for thick and soft foundation composite piles. The carbonization mixing pile-ventilating pipe pile composite foundation comprises a carbonization magnesium oxide cement soil mixing pile and a ventilating pipe pile; and the ventilating pipe pile is composited inside the carbonization magnesium oxide cement soil mixing pile. The requirements for reinforcement of the soft foundation and carbon dioxide resource utilization are realized.
Owner:SOUTHEAST UNIV
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