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| Patent # | Description |
|---|---|
| US-4,904,769 |
Highly pure acarbose A purified acarbose which contains less than 10% by weight of sugar-like secondary components is obtained by column chromatograph of a solution of prepurified... |
| US-4,904,768 |
Epipodophyllotoxin glucoside 4'-phosphate derivatives Phosphate derivatives of 4'-demethylepipodophyllotoxin glucosides are novel antitumor agents and the salts thereof offer the pharmaceutical advantage of high... |
| US-4,904,767 |
Asymmetric 1:2-chrome complexes of
benzene-azo-naphthalene/naphthalene-azo-naphthalene acid dyes for
leather Asymmetric 1:2-chrome complex dyes of the formula: ##STR1## wherein A is the radical of 1-hydroxynaphthalene or 2-hydroxynaphthalene, R.sub.1 is hydrogen,... |
| US-4,904,766 |
Monoazo compound having two vinylsulfone type fiber reactive groups
through triazinyl bridging group A monoazo compound represented by the following formula in a free acid form, ##STR1## wherein D is a sulfophenyl or sulfonaphthyl, R.sub.1, R.sub.2 and... |
| US-4,904,765 |
Dye mixtures containing an oil-soluble dye and an acid-extractable dye Dye mixtures contain an oil-soluble dye and a dye of the formula ##STR1## where D is phenyl which is unsubstituted or substituted by methyl or methoxy, R is... |
| US-4,904,764 |
4-diazo-3-methyl-2,5-cyclohexadine-1-one and pharmacetically acceptable
salts thereof 4-Diazo-3-methoxy-2,5-cyclohexandien-1-one, and pharmaceutically acceptable salts thereof, are antibiotics having antibacterial activity against a variety of... |
| US-4,904,763 |
Physiologically-active novel peptides Disclosed herein is a physiologically-active peptide represented by the following general formula (I): ##STR1## wherein X means H or H-Asp-Ser-Gly- and Y... |
| US-4,904,762 |
Toner compositions with charge enhancing additives A toner composition comprised of resin, pigment, and a mixture of charge enhancing additives comprised of a first additive of distearyl dimethyl ammonium methyl... |
| US-4,904,761 |
Resin composition for sealing semiconductors A semiconductor sealing resin composition which comprises (a) a modified epoxy resin which is a graft copolymer of a epoxy resin and a vinyl polymer having... |
| US-4,904,760 |
Thermosetting resin composition from cyanate ester and non-branched
aromatic compound A thermosetting resin composition polyfunctional cyanate ester resin composition comprising: (I) a cyanate ester compound selected from the group consisting of a ... |
| US-4,904,759 |
Linear alternating polymer of carbon monoxide, olefin and conjugated
diolefin Contacting carbon monoxide, at lease one .alpha.-olefin, and at least one conjugated diene in the presence of a catalyst composition formed by contacting a... |
| US-4,904,758 |
Low-melting polyimide copolymer and method for preparing the same The present invention is connected with a low-melting polyimide copolymer containing 30 to 90 mole % of an imide repeating unit represented by the following... |
| US-4,904,757 |
Polyesters of 4,4'dihydroxybicyclohexyl Thermotropic semiflexible polyesters are taught which are obtained by polycondensation of 4,4'-dihydroxybicyclohexyl with at least one .alpha.,.omega.-... |
| US-4,904,756 |
Moldable/extrudable thermotropic copolyesters/copolyesteramides High molecular weight thermotropic copolyesters and copolyesteramides which can be molded/extruded into a wide variety of useful shaped articles having improved... |
| US-4,904,755 |
Low birefringent polyesters in optical devices There are disclosed low birefringent polyesters that are useful in optical devices. The polyesters include units having opposite optical anisotropies. By varying... |
| US-4,904,754 |
Heat-stable copolycondensate molding materials Copolycondensate molding materials are obtainable by polycondensation of from 2 to 98 mol % of 2,2-di-(4'-hydroxyphenyl)-propane (A), from 2 to 98 mol % of... |
| US-4,904,753 |
Acid/oxidizer catalyst system for storage stable, quick-cure phenolic
resins of the resole or benzylic ether... Disclosed is a catalyst system which improves the cure time of acid-catalyzable resole resins while providing extended shelf life thereof. Broadly, the present... |
| US-4,904,752 |
Liquid crystal copolyester having blocked molecular chain terminal A liquid crystal copolyester having a blocked molecular chain terminal comprising a copolyester which exhibits anisotropy in a molten state and has a functional... |
| US-4,904,751 |
N,N'-dialkyl substituted polyoxyalklene amines as curing agents for
blocked isocyanates A polyurethane coating composition is disclosed which may be heat cured under relatively mild conditions. The composition comprises a chemically blocked... |
| US-4,904,750 |
Ester-urethane derivatives of (meth)-acrylic acid for dental materials Dental fillings, coatings and teeth are formed of polymers and copolymers of a polyfunctional ester-urethane derivative of (meth)-acrylic acid of the formula ... |
| US-4,904,749 |
Preparation of PHEMA by precipitation/suspension polymerization Disclosed is a method for preparing poly(2-hydroxyethyl methacrylate) polymers (PHEMA) by a precipitation/suspension polymerization technique wherein a reaction... |
| US-4,904,748 |
Blends of poly(etheresters) and polyesters Disclosed are compositions comprising a blend of blends comprising (A) about 98-2 weight % of a flexible poly(etherester) having recurring units from... |
| US-4,904,747 |
Blends of polycarbonates with polyesters from 4,4'-biphenyldicarboxylic
acid and 1,6-hexanediol Disclosed are compositions of matter characterized by having improved tensile strength comprising a blend of (a) about 30-95 weight % of a polyester containing... |
| US-4,904,746 |
Preparation of linear polyester-polyepoxide reaction products via
reactive concentrate Branched polyester compositions having high melt viscosities, especially under conditions of low shear, are prepared in a two-step method. The first step is the... |
| US-4,904,745 |
Polyalkylene oxide having unsaturated end group and narrow molecular
weight distribution A polyalkylene oxide having unsaturated end groups. The polymer has a distribution of molecular weight Mw/Mn of not more than 1.5, and a process for the same.... |
| US-4,904,744 |
Polymer blends of carbon monoxide/olefin copolymer and poly(arylsulfone)
polymer and oligomer Blends of a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated hydrocarbon and lesser proportions of... |
| US-4,904,743 |
Fluorinated ethylene/alpha-olefin copolymers A modified olefinic polymer is obtained by fluorinating an ethylene/.alpha.-olefin copolymer having the following properties (i) to (iv), said... |
| US-4,904,742 |
Binders resistant to fouling and organisms present in an aqueous medium
and process for their preparation Binders comprising the association of chlorinated vinyl resins and quaternary ammonium salts are resistant to corrosion, fouling, and organisms in an aqueous... |
| US-4,904,741 |
Polymers with amino-methyl-propene-2-yl groups contaiing
electron-withdrawing groups Polymers, such as polyisobutylene or ethylene-propylene copolymers, are functionalized by reaction with an activated imine to yield novel polymers. |
| US-4,904,740 |
Binder combinations, a process for their preparation and their use Compositions useful as a binder in lacquers and coating compositions and which are curable by moisture contain: (A) from 30 to 99 parts by weight of at least one... |
| US-4,904,739 |
Poly(fluoroacetylene) containing polymers Compositions of poly(fluoroacetylene) useful for providing electrically conductive properties to plastics by a method of dehydrofluorination of saturated... |
| US-4,904,738 |
Film of allyloxy compound with metal drier compositions Metal drier moderated to provide compostions of extended pot life by at least one molybdenum compound. Coating compositions of free radical polymerizable... |
| US-4,904,737 |
Active-energy-ray curable coating composition An active-energy-ray curable coating composition comprising 99 to 50 parts by weight of an acrylic copolymer (A) having (meth)acryloyloxy groups linked to... |
| US-4,904,736 |
Acrylic rubber composition An acrylic rubber composition comprising (A) a copolymer and (B) a crosslinking agent, said copolymer (A) consisting essentially of (a) from 3 to 10% by weight... |
| US-4,904,735 |
Processing aid for polymers Polymer blend composition having improved processibility and comprising: (a) a major portion of a difficultly melt-processible polymer, and (b) a minor portion of: (1) at... |
| US-4,904,734 |
Dehydrogenated polyspiroheptadiene Dehydrogenated poly(spiro[2,4]hepta-4,6-diene) which is insoluble in organic solvents, has an electrical conductivity of at least 10.sup.-10 S.times.cm.sup.-1,... |
| US-4,904,733 |
Process for producing thermoplastic molding compositions from
polycondensation resins and aqueous latexes The invention relates to a process for the production of molding compositions from a thermoplastic polycondensation resin susceptible to degradation at high... |
| US-4,904,732 |
Curable isobutylene polymer An isobutylene polymer having at least one silicon-containing group cross-linkable by the formation of a siloxane bond. The isobutylene polymer is a novel... |
| US-4,904,731 |
Polymeric composition A polymeric composition comprising: an olefin polymer; a hydrogenated block copolymer comprising at least two polymeric block containing predominantly ... |
| US-4,904,730 |
Rubber-modified resin blends An impact resistant polymeric composition and a process for its production. The composition comprises a rigid polymeric matrix comprising an anionically... |
| US-4,904,729 |
Impact resistant polycarbonate blend Impact resistant polycarbonate blends, which may be extruded without pre-drying, are prepared from an aromatic polycarbonate, an aromatic polyester, and a... |
| US-4,904,728 |
Polymer blends Non-miscible polymeric blends comprising a major proportion of a linear alternating polymer of carbon monoxide and at least one ethylenically unsaturated... |
| US-4,904,727 |
Emulsion polymers Emulsion polymers obtained by emulsifying a monomer mixture of (A) 5-95% by weight of acrylonitrile, methacrylonitrile and/or substituted or unsubstituted styrene... |
| US-4,904,726 |
Modified polytetrafluoroethylene resins and blends thereof Dispersion-process-produced, non-melt-processible, particulate, core-shell, tetrafluoroethylene copolymer comprising recurring units of tetrafluoroethylene and... |
| US-4,904,725 |
Block copolymeric rubber compositions for soles Unit soles having a high abrasion resistance are molded from a polymeric composition comprising radial (AB)--.sub.x --BA monoalkenyl arene/conjugated diene block... |
| US-4,904,724 |
Preparation of aqueous polymer dispersions Aqueous polymer dispersions are prepared by free radical polymerization of (a) from 50 to 100%, based on the total weight of the monomers, of C.sub.1 -C.sub.20 -alkyl... |
| US-4,904,723 |
Hydrolyzed ethylene-vinyl acetate copolymer composition A composition comprising (1) a hydrolyzed ethylene-vinyl acetate copolymer having an ethylene content of 20 to 60% by mole and a degree of hydrolysis in the vinyl ... |
| US-4,904,722 |
Method for controlling viscosity of organic liquids and compositions
thereof A method for controlling the viscosity of organic liquids, said organic liquid having a solubility parameter of less than 9.5, a viscosity, as measured at... |
| US-4,904,721 |
Organoalkoxysilane-containing coating composition A coating composition comprising: (a) 100 parts by weight (in terms of organoalkoxysilane) of at least one compound selected from the group consisting of (a') an... |
| US-4,904,720 |
Process for improving properties of synthetic resin powder A process for improving properties of a synthetic resin powder which comprises: subjecting a latex of a graft-copolymer whose back bone is a rubber to... |
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