7103 results about "Protective Agents" patented technology

The present invention provides freeze-dried compositions that include an extract of human feces and a cryoprotectant, and methods for making and using such compositions, including methods for replacing or supplementing or modifying a subject's colon microbiota, and methods for treating a disease, pathological condition, and / or iatrogenic condition of the colon.

Medical devices, and in particular implantable medical devices, may be coated to minimize or substantially eliminate a biological organism's reaction to the introduction of the medical device to the organism. The medical devices may be coated with any number of biocompatible materials. Therapeutic drugs, agents or compounds may be mixed with the biocompatible materials and affixed to at least a portion of the medical device. These therapeutic drugs, agents or compounds may also further reduce a biological organism's reaction to the introduction of the medical device to the organism. In addition, these therapeutic drugs, agents and / or compounds may be utilized to promote healing, including the formation of blood clots. The drugs, agents, and / or compounds may also be utilized to treat specific diseases, including vulnerable plaque. Therapeutic agents may also be delivered to the region of a disease site. In regional delivery, liquid formulations may be desirable to increase the efficacy and deliverability of the particular drug. Also, the devices may be modified to promote endothelialization. Various materials and coating methodologies may be utilized to maintain the drugs, agents or compounds on the medical device until delivered and positioned. In addition, the devices utilized to deliver the implantable medical devices may be modified to reduce the potential for damaging the implantable medical device during deployment. Medical devices include stents, grafts, anastomotic devices, perivascular wraps, sutures and staples. In addition, various polymer combinations may be utilized to control the elution rates of the therapeutic drugs, agents and / or compounds from the implantable medical devices. Implantable medical devices may be coated or otherwise have affixed thereto agents for healing ischemic tissue.

The present invention provides a comprehensive solution to skin problems of infants and incontinent adults related to diaper rash, also known as diaper dermatitis. This is based on certain novel divalent metal and quaternary ammonium complexes (ion-pairs) of zeolites (that are made by an in-situ process), which in synergistic combination with certain other compositions, provide a comprehensive treatment for diaper rash that encompasses the following aspects: (1) deactivation of lipase and protease enzymes on skin surface, (2) the controlled-release delivery of skin protectant compositions, such as divalent metal zinc cation, (3) trapping of acidic and alkaline chemicals deposited on skin from body exudates and enzyme activity, (4) controlled-release delivery of anti-inflammatory agents, and COX and LOX enzyme inhibitors, (5) controlled-release delivery of antibacterial and antifungal compositions, and (6) absorption of excess moisture in the diaper zone.

The invention relates to a hydrocarbon zone protective agent specific to fractured hydrocarbon zone in oil and gas drilling, in particular to a fractured temporary plugging additive, which is mixed by the components with the following mixture ratio: 40-85 percent of 60-1100 meshes of calcium carbonate superfine powder, 10-40 percent of plant fibers and 5-20 percent of oxidized asphalt. After the temporary plugging additive of the invention enters the stratum with the drillingfluid, a layer of compact and tenacious mud cake is quickly formed near the well wall for ensuring the original permeability of the stratum near the well wall to rapidly reduce to be nearly zero, thus preventing the intrusion of drilling fluid filter, various finishing agents, rock debris and the like which causes the reduction of oil and gas yield and capacity. The temporary plugging additive of the invention reaches more than 99 percent of temporary plugging rate to fractured core and more than 80 percent of pressure flowback and acidification flowback rate. Furthermore, the temporary plugging additive is characterized by wild temporary plugging range, little dosage, low cost and no pollution, thus being an ideal hydrocarbon zone protective agent.

The invention discloses a hydrogenation method for processing heavy oil. Raw heavy oil is mixed with hydrogen, the mixture enters a hydrogenating protective reaction area, reaction effluent directly enters a hydrotreatment reaction area without separation and is subjected to hydrotreatment reaction, and at least two parallelly connected up-flow hydrogenating protective reactors which can be switched in turn are arranged in the hydrogenating protective area. A method of grading four hydrogenating protective agents is adopted and particularly favorable for removing metals, so that blockage is avoided, the service life of a main catalyst is prolonged and the operating period of a device is prolonged. A switchable operating method is adopted, and all catalysts having activity can be fully utilized; and compared with the prior art, the method has the advantages that: the running period of a residual oil hydrogenation device can be prolonged by 20 to 40 percent, so that the running efficiency of the residual oil hydrogenation device is improved and the economic efficiency is improved.

PCT No. PCT / JP97 / 01828 Sec. 371 Date Jan. 30, 1998 Sec. 102(e) Date Jan. 30, 1998 PCT Filed May 29, 1997 PCT Pub. No. WO97 / 45410 PCT Pub. Date Dec. 4, 1997The invention provides novel benzindole derivatives, processes for producing them, as well as a neuroprotective agent, an agent to prevent or treat diseases involving the degeneration, retraction or death of neurons, and an analgesic, each containing the benzindole derivatives as an active ingredient.

The invention relates to a lactobacillus microcapsule, a method for preparing the same, and the use of the same. The lactobacillus microcapsule consists of an outer layer of wall material, a freeze dried protective agent and lactobacilli. The invention also provides the method for preparing the lactobacillus microcapsule and the use of the lactobacillus microcapsule as a feed additive. The lactobacillus microcapsule can effectively protect the lactobacilli in a core material, prolong the survival time of the lactobacilli at room temperature and improve the tolerance of the lactobacilli to the metal ions in the feed; in addition, the lactobacillus microcapsule has good gastric acid resistance and can disintegrate in the intestinal canal quickly to release the lactobacilli, thereby improving the utilization rate of the lactobacilli, balancing the micro-ecological environment in the intestinal canal, suppressing the growth of pathogenic bacteria, protecting the health of the intestinal canals of animals, reducing the incidence rate of the intestinal canals of the animals and the like.

A polyphenoic antioxidant-enhanced comestible composition and method for making it are disclosed. The antioxidant-enhanced comestible preferably includes an astringent amount of exogenous polyphenolic antioxidant dissolved or dispersed in a precursor edible product. The composition also includes an effective concentration of at least one astringency compensating or masking agent sufficient to offset the astringency contributed by the exogenous polyphenolic antioxidant compounds, and can also include an effective amount of at least one protective agent that protects polyphenolic antioxidants from premature oxidation.

The invention discloses a method for preparing antibacterial nanometer silver colloid, belonging to the technical field of nanometer biological materials. The method uses a chemical reduction method, comprising the following steps: dissolving water-soluble protective agent in silver nitrate water solution with the concentration of 0.001-0.1mol / L, wherein the mass ratio of protective agent to silver nitrate is 0.5-10.0:1; carrying out ice bath on sodium borohydride water solution with the concentration of 0.001-0.2mol / L for 10-30min; and dropwise adding the silver nitrate water solution containing protective agent in the sodium borohydride water solution with the speed of 30-60 drop / min, stirring by a magnetic stirrer, stirring for 20-40min after dropwise adding to prepare the nanometer silver colloid with the grain size of 5-80nm, wherein the mol ratio of the sodium borohydride to the silver nitrate is 1.0-30.0:1. The nanometer silver colloid prepared by the invention has the advantages of high concentration, high stability, high dispensability, and obviously-enhanced antibacterial property.

The present invention provides compounds of the following structure, wherein R1, R2, R4, R4′, R6, R7, and R15 are defined above: These compounds are useful in treating neurological disorders or complications due to stroke or head injury; benign or malignant neoplastic disease, carcinomas and adenocarcinomas; proliferative disorders; and inflammatory disorders. The compounds are therefore useful as neuroprotective and neuroregenerative, anti-proliferative, and anti-inflammatory agents.

A contact lens is provided that is capable of being worn by a user. The lens includes a contact lens body having an eye-engaging surface placeable against a surface of an eye and an outer surface. Microphobic features are provided in the lens for eliminating microbes from the eye-engaging surface. Preferably, these microphobic features are chosen from a group consisting of electrical charge inducing agents, magnetic field inducing agents, chemical agents and textural features. In another embodiment of the present invention, a contact lens is provided that can include a reservoir portion capable of holding a performance enhancement agent for enhancing the performance of the lens. The performance enhancement agent can include such thins as sealant solutions, protective agents, therapeutic agents, anti-microbial agents, medications and reduced size transparent portions. In other embodiments, a wide variety of designs, materials and substances are disclosed for use with contact lenses.

A method and system for monitoring and / or controlling a glycemic state of a subject, comprising a housing device having one or more chambers, extendable and retractable sensors, extendable and retractable catheters, insulin reservoir, neuroprotective agent reservoir, release mechanism for releasing insulin and neuroprotective agent into the subject, and a control mechanism with a processor for receiving and analyzing outputs from the sensors and for controlling the release mechanism, a clock mechanism for providing logging and / or circadian information to the processor.

The invention provides storage mildew-proof and moth-proof packaging hemp cloth and a preparation method thereof. The hemp cloth comprises green harmless storage protective agent and is prepared by taking common packaging hemp cloth as a material and adding 0.01-10wt% of storage protective agent. The preparation method comprises the following steps of: dissolving the storage protective agent in a solvent to prepare a solution, then impregnating the hemp cloth in the protective agent solution, removing the solution after the hemp cloth sufficiently absorbs the solution, and drying; or dissolving the storage protective agent in the solvent, then uniformly spraying the protective agent solution on the hemp cloth and drying the hemp cloth after the hemp cloth sufficiently absorbs the protective agent solution to prepare the storage mildew-proof and moth-proof packaging hemp cloth. The storage hemp cloth is used for packaging tobaccos or crops, can realize the whole process dynamic and real-time protection of the tobaccos, the crops and the like in purchase, transport and storage processes, protect products from mildew and moths, effectively prevent the mildew and the moths from spreading between bags and prevent the tobaccos, the crops and the like which are soaked by rain water from mildewing. Besides, the invention has an important function for reducing environment pollution and hidden safety danger which are caused by common technologies.

The present invention relates to microfluidic devices and methods facilitating the growth and analysis of crystallized materials such as proteins. In accordance with one embodiment, a crystal growth architecture is separated by a permeable membrane from an adjacent well having a much larger volume. The well may be configured to contain a fluid having an identity and concentration similar to the solvent and crystallizing agent employed in crystal growth, with diffusion across the membrane stabilizing that process. Alternatively, the well may be configured to contain a fluid having an identity calculated to affect the crystallization process. In accordance with the still other embodiment, the well may be configured to contain a material such as a cryo-protectant, which is useful in protecting the crystalline material once formed.

The invention belongs to the technical field of the farm chemical, and in particular relates to a plant insecticidal protective agent and an application thereof. The invention provides the plant insecticidal protective agent which is recomposed by food suppressing hydrazine and organic phosphorus (I), pyrethroids insecticides (ii), insect growth regulation agent (III), Macrolides (IV), heterocyclic insecticidal component (V), carbamates (VI) or Nereistoxin pesticide and the application thereof. The recomposed insecticidal composite remarkably improves the insecticidal effect, at least has four acting ways at the same time such as touch out, stomach toxicity, internal absorption and antifeedant so as to adequately protect the plant, favors the delay of the production of the drug resistanceof the insects through different acting ways, and enlarges the pest control spectrum. The composite can be widely applicable to the control of different chewing mouthparts, piercing-sucking mouthparts, lapping mouthparts and rasping mouthparts pests.

The invention relates to a compound chemical blocking removing agent of an oil field polymer injection well. The compound chemical blocking removing agent is characterized in that a high molecular extending agent with strong electronegativity is used for hydrating and extending condensed and agglomerated polymer macromolecule chains again; peroxide is used as a primary oxidation agent; polybasic carboxylic acid which can slowly and uniformly ionize hydrogen ions is used as controlled-release acid; auxiliary agents such as a corrosion inhibitor, a penetrant, a metal ion chelating agent, a dual-metal coupling agent, an iron ion stabilizer, a bacteriacide, a stratum protective agent, and the like are added at the same time; and macromolecular polymers in blocking substances, which are near the oil field polymer injection well, and are fully extended by the extending agent, are oxidized and degraded by active hydroxyl which is produced from the reaction of the primary oxidation agent and the controlled-release acid, so that blocking of the polymer injection well is removed, and the apparent water injectivity index is improved. The chemical blocking removing agent is non-toxic and environment-friendly, has a wide applicable range of temperature and water quality, and has the advantages of simplicity in construction technique, safety and convenience in use and storage, and the like; and the viscosity-reducing rate of the compound chemical blocking removing agent to polyacrylamide gel can reach above 99%.

The invention relates to a plant wound protective agent containing chitosan oligosaccharide which contains chitosan oligosaccharide and one or more of a nutritional agent, an adjusting agent and a sterilizing agent, wherein the weight percentage of the chitosan oligosaccharide accounting for the protective agent is 0.0015-0.03 percent. The plant wound protective agent can be used for spraying or smearing. The prepared solid preparation for smearing also contains a film-forming agent. On one to five days before pruning, girdling or grafting, the wound is sprayed by using the protective agent; and on one to five days after the pruning, girdling or grafting, the wound is smeared by the protective agent, so that disease attacks of the wound can be reduced and the healing of the wound can be promoted. The plant wound protective agent is used for apple trees, pear trees, peach trees, jujube trees, grape trees, mango trees, longan trees, lychee trees, citrus trees, watermelon, maidenhair trees, honeysuckle, Arabian jasmine flower and Chinese rose.

A conditioning hair lightener system, compositions, method, and kit therefor, is disclosed which ameliorates the deleterious effects of chemical oxidative hair lightening on the strength and subjective properties of hair. The conditioning hair lightener system comprises a conditioning hair lightener emulsion having a pH of at least about 8 prepared from at least two separate components, (A) and (B). Component (A) preferably is a substantially anhydrous, substantially free-flowing composition comprising an effective hair conditioning amount of a water-dispersible, self-emulsifying, fatty acid-derived conditioner, an effective hair lightening amount of a peroxy salt compound, optionally an effective hair protective amount of hair protectant, deswelling agent, and optionally, a water-soluble cosmetic adjuvant. Component (B) preferably is an aqueous medium containing hydrogen peroxide or hydrogen peroxide source. Components (A) and (B) are maintained separate until substantially immediately before use, and are mixed together to provide a conditioning hair lightener emulsion.

The present invention provides a pharmacological agent based on derivatives of hydrogenated pyrido (4,3-b) indoles and uses thereof. Specifically, the invention provides a geroprotector in the series of hydrogenated pyrido (4,3-b) indoles (several derivatives), which can be used for slowing aging, prolonging lifespan of an individual or cells in an individual, and / or improving quality of life of an individual developing or having a risk of developing age-associated manifestations and / or pathologies.

The present invention is directed at methods for preventing or minimizing the intensity of the serotonin syndrome in humans and lower animals which comprises administering proserotonergic agents and serotonin surge protectors. The present invention is also directed to pharmaceutical compositions comprising proserotonergic agents and serotonin surge protectors useful for carrying out the method of the present invention.

The invention discloses an aprepitant microemulsion for injection. The aprepitant microemulsion consists of the following components in percentage by mass: 0.05 to 2 percent of aprepitant, 5 to 30 percent of oil for injection, 0.5 to 10 percent of emulsifier, 1 to 10 percent of co-emulsifier, 5 to 20 percent of protective agent and 60 to 80 percent of water for injection. Compared with the conventional oral aprepitant, the aprepitant microemulsion for the injection has the outstanding advantage that: the aprepitant is insoluble in the water and an organic solvent, in order to realize the aprepitant injection, the aprepitant microemulsion and aprepitant micro emulsion freeze-drying powder are prepared successfully and can be subjected to large-scale industrial production; and compared with a fosaprepitant dimethyl-meglumine injection, the aprepitant microemulsion has the advantages that: the cost is reduced greatly, the practicality is extremely high, and economic and social benefits are relatively good.

The present invention relates to drug delivery compositions in the form of thin water-soluble films (wafers), which contain small particles that comprise at least one progestin and at least one protective agent. The protective agent provides effective taste-masking of the progestin due to limited release of the progestin in the mouth. The progestin is hence not absorbed via the buccal route, but rather via the enteral (per-oral) route.

A composition for manufacturing an electrode of a solar cell, comprising metal nanoparticles dispersed in a dispersive medium, wherein the metal nanoparticles contain silver nanoparticles of 75 weight % or more, the metal nanoparticles are chemically modified by a protective agent having a main chain of organic molecule comprising a carbon backbone of carbon number of 1 to 3, and the metal nanoparticles contains 70% or more in number-average of metal nanoparticles having a primary grain size within a range of 10 to 50 nm.

The invention relates to a fruit tree protective agent, particularly a kind of fruit protective glue for preventing fruit tree scar and rotting wound produced by pruning. The invention solves the problems existing in present technology, for instance the traditional technology of treating fruit tree wound and cut is simple, the effect is bad, and so on. The product is composed of the following materials: 60-70 parts by weight of polyvinyl alcohol, 10-20 parts by weight of glycerol, 0.004-0.006 parts by weight of GA, 4-5 parts by weight of asomate, 85-100 parts by weight of water, heating and dissolving and at last forming a jelly solution. The product can prevent rot disease, and occurrence of new diseases, heal the wound and scar gradually, prevent the cracks between the tree bark and the xylem, make the tissue around the scar or wound heal in Jun-Jul in present year, and the efficiency is 95%. The product is applied in apple tree, pear tree, peach tree and other economic crops. The product is easy to use all year round without preparation at the scene.

The invention provides an alcohol-free concentrated fountain solution and a preparation method thereof. The alcohol-free concentrated fountain solution is prepared from the following components based on 100 parts by weight: 0.5-5 parts of low-foam wetting agent, 8-20 parts of pH value regulator, 3-20 parts of printing plate protective agent, 5-10 parts of a water film regulator, 0.2-1.0 part of decontamination intensifier, 0.1-1.0 part of bactericide, 0.1-1.2 parts of defoamer and the balance of water. The concentrated fountain solution provided by the invention is environmentally-friendly, provides guarantee for the health of workers, and can improve the quality of the printing products.

The present invention relates to the use of creatine compound and neuroprotective combinations including creatine, creatine phosphate or analogs of creatine, such as cyclocreatine, for treating diseases of the nervous system. Creatine compounds in combination with neuroprotective agents can be used as therapeutically effective compositions against a variety of diseases of the nervous system such as diabetic and toxic neuropathies, peripheral nervous system diseases, Alzheimer disease, Parkinson's disease, stroke, Huntington's disease, amyotropic lateral sclerosis, motor neuron disease, traumatic nerve injury, multiple sclerosis, dysmyelination and demyelination disorders, and mitochondrial diseases. The creatine compounds which can be used in the present method include (1) creatine, creatine phosphate and analogs of these compounds which can act as substrates or substrate analogs for creatine kinase; (2) bisubstrate inhibitors of creatine kinase comprising covalently linked structural analogs of adenosine triphosphate (ATP) and creatine; (3) creatine analogs which can act as reversible or irreversible inhibitors of creatine kinase; and (4) N-phosphorocreatine analogs bearing non-transferable moieties which mimic the N-phosphoryl group.

The invention discloses a multifunctional concrete structure endurance protective agent as well as the preparation and application method thereof. The protective agent provided by the invention contains the following ingredients of: an organic / inorganic composite fluorosilicone-acrylate copolymer, lithium silicate, sodium silicate, lithium molybdate, sodium tetraborate, sal glauberi, 1,2-aminoazophenylene, nanometer titanium dioxide, anhydrous ethanol and water. The protective agent can penetrate inside concrete, wherein a densification ingredient can minimize internal holes and cracks to raise the compactness of concrete, and a rust-resistant ingredient can penetrate into concrete and be adsorbed on the surface of steel bar so as to passivate and protect the steel bar; the low-surface energy silicon fluoride ingredient can be solidified to form a cured film on the surface of concrete so as to endow the protective agent with the hydrophobic performance; a nanometer ingredient can endow the cured film layer with properties of resisting ultraviolet and ageing and improving the organic polymer performance as well as the self-cleaning performance. In addition, hydroxy generated from the hydrolysis of siloxane group can perform a condensation reaction with hydroxy on the surface of concrete to produce chemical bond, so as to raise the anchoring strength between the film and concrete and improve the interface combination. The protective agent provided by the invention can be widely applied in various concrete structure engineering protections to raise the service life of concrete.

The invention relates to compound microecologics for purifying water quality and a preparation method thereof, belonging to the technical field of applied biotechnology. The method is characterized by conforming to the principle of diversified development of microecologics, utilizing various kinds of beneficial bacteria with different functions, carrying out scientific combination according to the proportion occupied by each kind of bacteria determined by orthogonal experiment, and forming efficient the multifunctional compound microecologics with the functions of intestine environment improvement, eating promotion, harmful bacteria restriction, water quality improvement, and the like. The invention is more characterized in that beneficial bacteria in the invention can be obtained easily at various parent strain markets, liquid fermentation technology is adopted for enlarging culture, and viable breeding accelerator, protective agent, viable absorbent, and the like are added to ensure the stability and the high efficiency of the compound microecologics. The invention solves the problems of unstable product characteristics, unsatisfactory using effect, low viable bacteria survival rate, and the like of microecologics at the current market.