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| Patent # | Description |
|---|---|
| US-4,255,566 |
Flavin adenine dinucleotide derivatives and labeled conjugates prepared
therefrom A flavin adenine dinucleotide (FAD) derivative of the formula: ##STR1## wherein n is an integer from 2 through 10, and preferably is 6. The derivatives are... |
| US-4,255,565 |
Production of 2,6-diaminonebularines Compounds of the formula ##STR1## wherein R is a phenyl or cyclohexyl group which may be substituted by halogen, lower alkyl or lower alkoxy, or their acid... |
| US-4,255,564 |
Novel macrolactone derivatives and process of producing them By protecting the aldehyde group of a macrolide series antibiotics with a cyclic acetal or thioacetal, novel macrolide derivatives can be produced from the... |
| US-4,255,563 |
Process for preparing anthocyans from corresponding flavonoid glycosides A process for preparing anthocyans by reducing the corresponding flavonoid glycosides with a metal and acid at temperatures not higher than 30.degree. C. under... |
| US-4,255,562 |
Crystalline co-polybenzyls Crystalline co-polybenzyls are prepared by the polymerization of 2,5-dimethylbenzyl chloride with a benzyl halide of the same series. The polymers have utility... |
| US-4,255,561 |
Sulfide polymers of polyoxyalkylenes The sulfide polymers of polyoxyalkylenes having the formula: ##STR1## wherein M is alkyl of from 1 to 4 carbon atoms, benzyl, phenyl, hydrogen or an alkali... |
| US-4,255,560 |
Transparent copolyamides from 2,4'-PACM Copolyamides with improved properties are obtained by polycondensing aliphatic and/or aromatic dicarboxylic acids with an amine mixture of diaminodicyclohexyl... |
| US-4,255,559 |
Transparent copolyamide from 1,10-disubstituted-1,10 diamine There are described transparent copolyamides which are obtained by reaction of a mixture A) consisting of essentially stoichiometric amounts of a diamine of the... |
| US-4,255,558 |
Self-curing thermosetting powder paints The invention pertains to thermosetting powder paint compositions adapted to fuse and thermoset upon exposure to heat. The powder paint is based upon a... |
| US-4,255,557 |
Preparing polycarbonate oligomers by reacting phosgene with an aqueous
solution containing a salt of a dihydric... A process for preparing polycarbonate oligomers by reacting phosgene with an alkaline aqueous solution containing an alkali metal salt or alkaline earth metal... |
| US-4,255,556 |
Preparation of poly(ester carbonate) by interfacial method Poly(ester carbonate) polymers are prepared by reaction of bifunctional phenolates in an aqueous phase with phosgene and with the acyl halide of a bifunctional... |
| US-4,255,555 |
Transesterification process for preparation of linear polyesters An improved transesterification process for preparation of a linear aromatic polyester comprising bisphenol and dicarboxylic acid monomer units terminated with a... |
| US-4,255,554 |
Process for preparing phenol-formaldehyde-furfuryl alcohol terpolymers Phenol-formaldehyde-furfuryl alcohol terpolymers containing substantially equimolar proportions of phenol and furfuryl alcohol are prepared by reacting phenol,... |
| US-4,255,553 |
Powder coating composition A powder coating composition comprising: (a) a compound having at least two epoxy groups in the molecule; (b) a compound having at least two carboxyl groups in the... |
| US-4,255,552 |
Thermosetting polyurethane compositions Improved thermoset or vulcanized polyurethane elastomers are obtained by adding to liquid polyurethane reactants, prior to reaction to form the polyurethane,... |
| US-4,255,551 |
Coating materials and their application prepared from polyisocyanates
blocked with imidazolines Powdered, heat-hardenable coating materials with high storage stability and a grain size smaller than 0.25 mm based upon hydroxy-group-containing polyesters with... |
| US-4,255,550 |
Polyurethane polymers characterized by carboxylate groups and hydroxyl
groups in the polymer backbone Water insoluble polyurethane polyether polymers that are soluble in ethanol at pH 11 characterized by a molecular weight above 6,000 and having carboxylate... |
| US-4,255,549 |
Process for preparing organosilazanes This invention is directed to an improved process for the preparation of condensable, film-forming organosilazanes by ammonolysis of organohalosilanes with... |
| US-4,255,548 |
Ethylene-vinylamine copolymers Copolymers of ethylene and vinylamine are disclosed as are methods for their production. The disclosed copolymers find application primarily as flocculants. |
| US-4,255,547 |
Novel elastomer composition and processes therefor A vulcanizable elastomeric composition comprising (a) from about 89-40%, by weight, based on the total weight of the composition, of an acrylic acid ester, or mixture... |
| US-4,255,546 |
Acrylonitrile polymerization in fluorinated hydrocarbons The invention relates to a process for the production of polyacrylonitrile or acrylonitrile copolymers, the polymerization being carried out at a temperature of... |
| US-4,255,545 |
Discrete bead polymer process Discrete particles of sodium polyacrylate of high molecular weight and in which the majority of the particle size is in the range of not less than 0.5 mm. nor... |
| US-4,255,544 |
Process for polymerization of ethylene Ethylene is polymerized in the presence of a catalyst comprising: (A) the reaction product of a magnesium compound and titanium halide and (B) an organic... |
| US-4,255,543 |
Process for the preparation of 1,2-polybutadiene In the preparation of 1,2-polybutadiene with a vinyl content of at least 70% by contacting 1,3-butadiene with a catalyst consisting of: (A) a cobalt compound, (B) an... |
| US-4,255,542 |
Exothermic polymerization in a vertical fluid bed reactor system
containing cooling means therein and apparatus... A continuous low pressure gas phase process for the production of solid particulate polymers during an exothermic polymerization reaction in a uniform diameter... |
| US-4,255,541 |
Acrylic graft copolymers and coating compositions thereof A graft copolymer having a polymeric backbone with pendent hydroxyl groups; wherein the hydrogen atom of at least the one the hydroxyl groups is replaced by the... |
| US-4,255,540 |
Neutralized phosphonated elastomeric polymers This invention relates to a process for the manufacture of a neutralized phosphonated ethylene-propylene copolymer having about 1 to about 150 mmoles of PO.sub.3... |
| US-4,255,539 |
Method of preparing sulfur-modified polychloroprene Sulfur-modified polychloroprene in alkaline aqueous emulsion is prepared by incorporating one or more organic polysulfides which act as peptizing agents during... |
| US-4,255,538 |
Liquid vinylidene-terminated polymers cured with amines and thiols Liquid vinylidene (CH.sub.2 .dbd.C<) terminated polymers are prepared by the reaction of a (1) liquid polymer having a terminal functional group selected from... |
| US-4,255,537 |
Polymeric immunoregulatory agents containing half-amide/half
carboxy/imide groups The disclosure relates to copolymers of olefin monomers having from 2 to about 4 carbon atoms and .alpha.,.beta.-unsaturated polycarboxylic anhydrides having... |
| US-4,255,536 |
Azodicarboxylate-modified copolymers A copolymer of a conjugated diene/monovinylarene modified by reaction with a dihydrocarbyl azodicarboxylate. |
| US-4,255,535 |
Organic polymers with near-zero uniaxial thermal expansion coefficients There are provided composites having near-zero uniaxial thermal expansion coefficients. One or more polyacetylenes having a negative uniaxial thermal expansion... |
| US-4,255,534 |
Binary polycarbonate compositions Binary compositions are disclosed which comprise a mixture of a high molecular weight thermoplastic, aromatic polycarbonate and a styrene/butadiene/caprolactone... |
| US-4,255,533 |
Copper adhesive composition Specific thermoplastic compositions which are formulated to be exceptionally useful for adhesion to copper-containing metals are prepared from either glycidyl... |
| US-4,255,532 |
Acrylic polymer composition for melt-spinning A combination of a major amount of acrylonitrile and a minor amount of another monomer copolymerizable with acrylonitrile when grafted onto polyvinyl alcohol... |
| US-4,255,531 |
Blends with poly(p-methylstyrene) There is provided a blend of poly(p-methylstyrene) with small amounts of poly (C.sub.2 -C.sub.4) olefin, olefin copolymer or SBR. The blend can be formed into... |
| US-4,255,530 |
Cross-linkable lacquer binder containing saturated lactam A binder composition which comprises (A) from 99 to 50% by weight of copolymer consisting of copolymerized units of (a) from 5 to 90% by weight of at least one... |
| US-4,255,529 |
Process for the preparation of cellular or non-cellular polyurethane
resins This invention relates to an improved process for the preparation of formose by the condensation of aqueous formaldehyde. In the process according to this... |
| US-4,255,528 |
Polyurethane process The use of catalytic amounts of tris(3-dimethylaminopropyl)amine promotes the formation of urethane linkages. Its unusual activity and properties make this... |
| US-4,255,527 |
Novel blowing agent for polymeric foam process A process is disclosed for a polymeric foam such as a polyurethane foam prepared from a reaction mixture comprising an organic polyisocyanate compound and a... |
| US-4,255,526 |
Method of producing a moisture- and heat-resistant flexible polyurethane
foam A moisture- and heat-resistant flexible polyurethane foam, which is free from lowering of the foam hardness due to moisture absorption during or after the... |
| US-4,255,525 |
Small particulate expandable styrene polymer molding compositions Small particulate expandable styrene polymer molding compositions are prevented from acquiring static charges by coating with betaines. |
| US-4,255,524 |
Syntactic foam compositions useful for manufacturing floating articles Syntactic foam compositions are manufactured by heat-curing, in the presence of a free radical generator, a mixture comprising a resin and hollow spheres; the... |
| US-4,255,523 |
Cation exchange membrane of fluorinated polymer for electrolysis and
preparation thereof A cation exchange membrane of a fluorinated polymer is formed by incorporating fibrils of polytetrafluoroethylene into a cation exchange resin of a fluorinated... |
| US-4,255,522 |
Petri dish A petri dish has on its bottom a plurality of zones surrounded by elevated ridges spatially separating the zones from one another. |
| US-4,255,521 |
Method for isolation of glucose isomerase In a process for extracting glucose isomerase from microorganism cells containing glucose isomerase by the so called high pressure release and impact method in... |
| US-4,255,520 |
Process for the preparation of a rabies vaccine and vaccine obtained by
this process A method for preparing a rabies vaccine wherein rabies viruses are multiplied in poultry embryos, the heads of the embryos are harvested and the cell extract... |
| US-4,255,519 |
Glycerol oxidase and process for the production thereof Glycerol oxidase II is an oxidizing enzyme of glycerol characterized by its ability to oxidize glycerol in the presence of oxygen to form hydrogen peroxide and... |
| US-4,255,518 |
Process for the recovery of starch from cereal grains as an aqueous
slurry In the wet milling of a cereal grain such as corn for the recovery of starch and other products therefrom, steepwater containing much of the water soluble... |
| US-4,255,517 |
Lysozyme assay A new and improved assay for the determination of the enzyme lysozyme in biological samples which utilizes a plate assay based upon the bacterium Micrococcus... |
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