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Patent # Description
US-4,497,948 Chemical approach for controlling nadimide cure temperature and rate with maleimide
Polyimide resins suitable for use as composite matrix materials are formed by copolymerization of maleic and norbornenyl endcapped monomers and oligomers. The...
US-4,497,947 Polycarbonate compositions having improved heat deflection temperature
The present invention is directed to an aromatic copolycarbonate molding composition comprising the reaction product of an aromatic diphenol, an aromatic...
US-4,497,946 Epoxy phosphate-carboxyl copolymers and aqueous coatings containing the same
Epoxy phosphate-carboxyl copolymers substantially free of epoxy functionality and aqueous coatings containing the same are disclosed. These copolymers are formed...
US-4,497,945 Tough epoxy polymers formable by reaction injection molding
A tough epoxy polymer is formed by pre-reacting a poly(oxypropylene) diol or triol with a chemical excess of an anhydride curing agent for epoxy resins. The...
US-4,497,944 Process for producing polyamide-imide resin
A polyamide-imide resin which can give a varnish having a high resin content, excellent in storage stability and heat resistant final products such as insulated...
US-4,497,943 Organocyclopolysiloxane and a room temperature curable composition containing same
The room temperature curable organopolysiloxane composition of the invention comprises a dimethylpolysiloxane terminated at both molecular chain ends with...
US-4,497,942 Process for hydrolyzing chlorosilanes
A method is provided for hydrolyzing chlorosilanes utilizing a static tubular reactor. A substantial reduction in hydrolysis residence time is achieved.
US-4,497,941 Ethylene copolymers for hot melt systems
Ethylene-vinyl acetate copolymers having a melt index of 700 to 10000 and containing from 11 to 40% vinyl acetate are useful in hot melt systems and particularly...
US-4,497,940 Chemical approach for controlling nadimide cure temperature and rate
Polyimide resins suitable for use as composite matrix materials are formed by copolymerization of maleic and norbornenyl endcapped monomers and oligomers. The...
US-4,497,939 Chemical approach for controlling nadimide cure temperature and rate with maleimide
Polyimide resins suitable for use as composite matrix materials are formed by copolymerization of maleic and norbornenyl endcapped monomers and oligomers. The...
US-4,497,938 Thermosetting coating composition - V
Novel solvent-based thermosetting composition comprising (a) hydroxy functional epoxy ester resin of number average molecular weight (Mn) between about 1,000 and...
US-4,497,937 Polymers containing organotin compounds and paint on the basis thereof
Polymers containing organotin compounds having advantageous use as paint binders obtained by reacting a cyclized rubber with organotin compounds of the formula...
US-4,497,936 Elastomer-ethylene copolymer hot melt systems
Hot melt compositions comprising a mixture of an adhesive ethylene-vinyl acetate copolymer having a melt index of 700 to 10000 and containing from 9 to 40% vinyl...
US-4,497,935 Elastomer toughened polyimide adhesives
A rubber-toughened addition-type polyimide composition having excellent high temperature bonding characteristics in the fully cured state and improved peel...
US-4,497,934 Method for the production of melamine/aldehyde filaments
A method for the production of melamine/aldehyde filaments by reacting a crystalline melamine and a solid aldehyde generating compound in a single pass reactor...
US-4,497,933 Emulsifier-free and solvent-free alkyd resin water lacquers
Process for the production of alkyd resins having a final acid number of not more than 40 and a high --OH number for use in water lacquers. The resins of the...
US-4,497,932 Aqueous dispersions of polyurethanes from oligo urethanes having unsaturated terminal groups
A process for producing stable aqueous dispersions of polyurethanes, which comprises reacting a mixture of a diol containing an ionizable group and a ...
US-4,497,931 Antioxidants and lithium ion
Antioxidants are enhanced in their activity by the presence of soluble lithium ion.
US-4,497,930 Process for producing highly water absorptive polymer
A highly water absorbent polymer having high resistance to salt solution is prepared by crosslinking a hyrophilic polymer or copolymer having carboxyl and/or...
US-4,497,929 Latex compositions comprising loadable polymeric particles
A latex composition having utility in articles such as photographic elements is disclosed. The composition comprises loadable polymer particles having recurring...
US-4,497,928 Moldable polyblend containing poly(arylene sulfide)
A moldable polyblend comprising a physical mixture of from about 99 to about 1% by weight poly(arylene sulfide) with from about 1 to about 99% by weight of a...
US-4,497,927 Tire tread adhesives
A tire tread adhesive or cement having superior green tack, excellent cured adhesion, and rapid drying time is disclosed. The tread cement comprises a ...
US-4,497,926 Elastomer based adhesive compositions
A substantially solvent-free adhesive composition consists essentially of an elastomer and tackifier, a metal oxide and, optionally, a plasticizer. The elastomer...
US-4,497,925 Flame resistant thermoplastic blends of polyphenylene oxide, polyolefin and hydrated alumina
Improved flame resistance is imparted to polymeric resins by incorporation of a blend of hydrated alumina and polyphenylene oxide, or a blend of hydrated...
US-4,497,924 Aromatic polyformal blends
A moldable and compatible blend of 5 to 95 weight percent of an aromatic polyformal comprising from about 20 weight percent to 100 weight percent of repeating...
US-4,497,923 Shear thickening of organic diluents via interpolymer complexes
The present invention relates to a process for the viscosification of an organic liquid which comprises the steps of forming a first solution of an anionic...
US-4,497,922 Compositions of materials for forming protective film in semiconductor device
A composition of materials comprising a polyamide acid-silicone intermediate obtained by reacting (a) a diaminoamide compound of the formula: ##STR1## ...
US-4,497,921 Sulfur stabilized oxidized polyolefin and asphalt composition
The present invention is a sulfur stabilized composition. The composition comprises an oxidized polyolefin, preferably oxidized polyethylene or oxidized...
US-4,497,920 System for bonding additives to resin particles and resulting composition
An additive concentrate composition is composed of a carbonate polymer, a powdered additive such as a pigment, and a mixture of a film-forming adherent such as...
US-4,497,919 Emulsion polish compositions
A water-in-oil emulsion polish composition suitable for treating natural and synthetic leather articles comprises a wax mixture, a film-forming agent, a...
US-4,497,918 Thixotropic unsaturated polyester compositions and methods
Disclosed are thixotropic polyester compositions wherein the thixotropic characteristics are provided by incorporation into the polyester of a member selected...
US-4,497,917 Latex composition comprising core-shell polymer particles
Latex compositions comprising core-shell polymer particles are disclosed. The core has a glass transition temperature greater than 70.degree. C. The shell has a...
US-4,497,916 Adhesive composition adapted for setting at a time later than the time of application
An improved sealing or adhesive composition comprising a stable slurry of solid meltable wax-like particles dispersed in a liquid adhesive or sealant...
US-4,497,915 Molding compositions containing triketoimidazolidine precondensates, their use, and a process for preparing a...
Molding composition containing (a) 2,4,5-triketoimidazolidine precondensates containing terminal oxamide ester, urethane and/or isocyanate groups and (b) customary...
US-4,497,914 Breathable ostomy gasket composition
Disclosed is a new breathable ostomy gasket composition derived from the non-aqueous reaction of a polyisocyanate and a polyoxyalkylene polyol moiety having a...
US-4,497,913 Process for preparing a stable dispersion of a polymer in a polyol and its use in the production of high...
A stable dispersion of a polymer in a polyol is prepared by reacting an organic polyisocyanate with a short-chain polyol in a high molecular weight polyol...
US-4,497,912 Fine particulate, expandable styrene polymers suitable for the production of rapidly mold-ejected cellular bodies
Fine particulate expandable styrene polymers suitable for the production of molded bodies with improved minimum mold dwell times, containing 0.01 to 2.0% by...
US-4,497,911 Production of fine particulate, expandable styrene polymers with improved properties
Process for the production of fine particulate, expandable styrene polymers by suspension-polymerizing styrene or possibly mixtures of styrene and other monomers...
US-4,497,910 Process for methane synthesis by catalytic reduction of carbon monoxide in aqueous phase
Process for the catalytic synthesis of methane by reaction of carbon oxides with hydrogen in the presence of liquid water, wherein the catalyst is formed of a...
US-4,497,909 Hydrogenation process
Novel catalyst compositions are provided comprising a silica/alumina carrier having a silica content less than about 40% by weight and at least one noble metal...
US-4,497,908 Copper-alkali metal-ruthenium/silica catalyst for converting syngas to linear alpha-olefins
A copper-alkali metal-ruthenium supported on silica catalyst is utilized in syngas reactions to produce linear alpha-olefins in high yield.
US-4,497,907 Coprecipitated Si-Al-metal-particle catalyst
Disclosed are novel catalyst support compositions and novel catalyst based thereon as well as methods for preparing same. The novel support compositions are...
US-4,497,906 Solid catalyst component for olefin polymerization
A solid catalyst component for olefin polymerization comprising a hydrocarbon-insoluble product (III) obtained by reacting (A) a silicon compound selected from the...
US-4,497,905 Olefin polymerization catalyst compositions and polymerization process
A highly active and stereoselective olefin polymerization catalyst component is obtained by halogenating a magnesium compound of the formula MgR'R" wherein R' is...
US-4,497,904 Catalysts for the polymerization and copolymerization of ethylene and polymerization processes using these...
The present invention relates to catalysts for the polymerization and copolymerization of ethylene, characterized in that they comprise a support based on...
US-4,497,903 Activated cobalt-substituted layered aluminosilicate for synthesis gas conversion
Synthesis gas conversion catalyst prepared from synthetic layered aluminosilicate having a montmorillonite-type structure and containing cobalt substituted in...
US-4,497,902 Composition for removing sulfur oxides from a gas
An absorbent for sulfur oxides comprising an inorganic oxide composition in association with at least one free or combined rare earth metal selected from the...
US-4,497,901 Forsterite-carbon refractory
A forsterite-carbon refractory containing forsterite material, carbonaceous material, silicon carbide and magnesia refractory material.
US-4,497,900 Immunoassay for Neisseria gonorrhoeae antigens
The present disclosure relates to a solid phase immunoassay for the detection of Neisseria gonorrhoeae antigens in a clinical specimen, wherein the Neisseria...
US-4,497,899 Immunoassay for Chlamydia trachomatis antigens
The present disclosure relates to a solid phase immunoassay for the detection of Chlamydia trachomatis antigens in a clinical specimen, wherein the Chlamydia...
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