Patents
Patents for C08G 73 - Macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing nitrogen, with or without oxygen or carbon, not provided for in groups (26,191)
04/2000
04/04/2000US6047098 Plastic optical waveguide and optical switch using same
04/04/2000US6046304 Block oligomers containing 2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials
04/04/2000US6046303 Made by adding dioxotetrahydrofuran 3-methylcyclohexene-1,2-dicarboxylic dianhydride to a mixture of aromatic tetracarboxylic dianhydrides and aromatic diamines having alkoxy side chains; for liquid crystal alignment layer
04/04/2000US6046299 Ink-jet printing dye-fixing agent, and recording paper employing the same
04/04/2000US6046282 Polyamidoamine epoxy curing agent reduced in viscosity by the addition of a reactive diluent which is the amide and/or imidazoline reaction product of polyalkylene amines and monocarboxylic acids
04/04/2000CA2129975C Polyalkyleneimine or polyallylamine coated material
03/2000
03/29/2000EP0989444A2 Liquid crystal display device
03/29/2000EP0988337A1 Fluorene-containing polymers and electroluminescent devices therefrom
03/29/2000EP0987947A1 Composition for use in personal care
03/29/2000EP0987946A1 Biocidal organic acid salts of a polymeric biguanide
03/29/2000EP0902796B1 Thermosetting, aqueous compositions
03/29/2000EP0778731B1 Ionene polymers containing biologically-active anions
03/29/2000EP0697891B1 Polyoxime compounds and their preparation
03/29/2000EP0663417B1 Polyimide laminate comprising thermoplastic polyimide polymer or thermoplastic polyimide film, and process for producing the laminate
03/29/2000CN1248574A Processfor stabilizing 4,6-diamino resorcinol and salt thereof
03/28/2000US6043337 Polarizable amines and polyimides for optical alignment of liquid crystals
03/28/2000US6043336 Oxygen stability, moisture stability
03/28/2000US6042968 Process for producing polybenzimidazole fabrics for use in fuel
03/23/2000WO2000015272A1 Polymer immobilized living cells and applications thereof
03/23/2000WO2000015240A1 Anionic or cationic dendrimer antimicrobial or antiparasitic compositions
03/23/2000WO2000015239A1 Inhibition of toxic materials or substances using dendrimers
03/23/2000CA2343205A1 Inhibition of toxic materials or substances using dendrimers
03/23/2000CA2341972A1 Polymer immobilized living cells and applications thereof
03/22/2000EP0813576B1 Epoxy-cyanate ester compositions
03/21/2000US6040459 N-aminoalkyldibenzothiophenecarboxamides; new dopamine receptor subtype specific ligands
03/21/2000US6040418 Fluorinated polyimides, laminated substrates and polyamic acid solutions
03/21/2000US6040391 Process for thickening thermoset resin molding compound compositions
03/16/2000WO2000014604A1 Positive photosensitive resin precursor composition and process for producing the same
03/16/2000WO2000014144A1 Aromatic poly(1,3,4-heterodiazoles) for use in optical devices, especially electroluminescent components
03/16/2000WO2000013677A1 Nanogel networks and biological agent composition thereof
03/16/2000WO1999062984A3 Polyimide precursor solid residuum
03/16/2000CA2342800A1 Nanogel networks and biological agent composition thereof
03/15/2000EP0985147A1 Luminol tagged polymers for treatment of industrial systems
03/15/2000EP0984958A1 Block oligomers containing 1-hydrocarbyloxy-2,2,6,6-tetramethyl-4-piperidyl groups as stabilizers for organic materials
03/15/2000CN1247188A Novel polyamino acid derivative
03/14/2000US6037499 4,4'-bis(4-aminophenoxy),2,2',6,6'-substituted biphenyl radicals exhibiting noncoplanar conformation for enhanced solubility; polyimides made therefrom have good processability and high glass transition temperature
03/14/2000US6037467 Methods for preparing carbohydrate-containing hydrophilic polymers
03/14/2000US6037438 As laminates in the electric and electronic fields in which low-dielectric property is desired and also applicable to uses of sealing and molding
03/14/2000US6036948 Polyaspartamide derivatives as adsordents for bile acids, polyaspartamide derivatives loaded with bile acids and process for their preparation and their use as pharmaceuticals
03/09/2000WO2000012604A1 Polyetherimide resin/polyester resin blends
03/09/2000WO2000012591A1 Colored polymer thin film, color filter, and liquid crystal display
03/09/2000WO1999054407A3 Engineering ionomeric blends and engineering ionomeric blend membranes
03/08/2000EP0984315A1 Liquid crystal-aligning agent
03/08/2000EP0984056A1 Functionalized polyamines
03/08/2000EP0983134A1 Method for producing polymer electrolyte membrane and fuel cell
03/08/2000EP0975689A4 Chemical imidization reagent for polyimide synthesis
03/08/2000EP0880555B1 Method of making free-standing polyimide film
03/08/2000EP0800547B1 Decolorization of polysuccinimide
03/08/2000CN1246489A Polyamide acid and polyimide micrograin and method for preparing them
03/07/2000US6034271 Betaine gemini surfactants made from amines
03/07/2000US6034206 Polyaryleneamines and a process for their production
03/07/2000US6034204 Condensation products of basic amino acids with copolymerizable compounds and a process for their production
03/07/2000US6034195 Thermosetting resin compositions containing maleimide and/or vinyl compounds
03/07/2000US6034194 Blend containing unsaturated compound and peroxide free radical catalyst
03/07/2000US6034168 N-substituted alkyleneimine copolymer
03/07/2000US6033526 Rosin sizing at neutral to alkaline pH
03/03/2000CA2281217A1 Functionalized polyamines
03/02/2000WO2000011066A1 Polyimide film and process for producing the same
03/01/2000EP0982343A2 Polyamic acid and polyimide microfine particles and processes for their production
03/01/2000EP0981530A1 Compounds on the basis of polyalkyl-1-oxa-diazaspirodecane compounds
03/01/2000CN1049907C Process for production of polysuccinimide or maleic amide acid
03/01/2000CN1049906C Polyaniline-phenol resin and preparing method thereof
02/2000
02/29/2000US6031119 Polyalkylene guanidine salts or polyalkylene biguanidine salts having a branched silane compound, method for preparing same and uses thereof
02/29/2000US6031067 Soluble polyimide resin and process of preparation of the same
02/29/2000US6031061 Bis (triaklyltrimellitic anhydride) derivative and polyesterimide for optical communications formed therefrom
02/29/2000US6030551 Polyaniline-containing solution and method for preparing the same
02/24/2000WO2000009477A1 Unsaturated oligophenol cyanates
02/23/2000EP0981069A1 Nonlinear optically active copolymers
02/23/2000EP0980883A1 Modified polyaspartic acid, method for production thereof and use therefor
02/23/2000EP0980862A1 Polyamino acid derivatives
02/23/2000EP0980450A1 Method for producing paper, paperboard and cardboard
02/23/2000EP0980404A1 Imide-free and mixed amide/imide thermal synthesis of polyaspartate
02/23/2000CN1245175A Polycarbided diimine polymer and its use as inter-layer of adhesive layer in automobile paint
02/23/2000CN1049676C Polyimide varnish
02/22/2000US6028159 Polyamideimide for optical communications and method for preparing the same
02/22/2000US6028141 Polyfunctional crosslinking agents and curable compositions containing the same
02/22/2000US6027804 Superabsorbing compositions and processes for preparing same
02/17/2000WO2000008090A1 Polyimide containing crosslinkable group and process for producing the same
02/17/2000WO2000007802A1 Open type polyimide molded product and production method thereof
02/16/2000EP0980016A1 Aligning agent for liquid crystal
02/16/2000EP0979815A1 Unsaturated oligophenolcyanates
02/16/2000CN1244879A Polyimides having high Tg, high TOS and low moisture regain
02/15/2000US6025461 Photosensitive polyimide
02/15/2000US6025460 Biphenyltetracarboxylic dianhydride and aromatic diamine are heated until viscosity drops; polyimides from polyamic acids; durable and heat resistant protective coatings
02/15/2000US6025439 Processing of thermoplastic rigid-rod molecular composites
02/15/2000US6025113 Photosensitve polymide precursor and its use for pattern formation
02/15/2000CA2084631C Copolymers with magnetic properties
02/10/2000WO2000006629A1 A method for making polyetherimide fiber composites
02/10/2000WO2000006628A1 Cataphoretic electrodeposition of polyetherimide
02/08/2000US6022909 Photochromic ink
02/08/2000US6022401 Biodegradable modified polyaspartic polymers for corrosion and scale control
02/08/2000CA2011926C Sintered polybenzimidazole/polyaryleneketone articles and method of manufacture
02/03/2000DE19832943A1 Electroactive, light-emitting film-forming polymer materials used in electrophotography, electroluminescent material and electrochromic display are derived from bis(aryl-hydroxymethyl)-(hetero)arene and N,N'-diaryl-arylene diamine
02/02/2000EP0975689A1 Chemical imidization reagent for polyimide synthesis
02/02/2000EP0975688A1 Process for making polyimides from diamines and tetracarboxylic diacid diester
02/02/2000EP0975687A1 Process for making polyimide-polyamic ester copolymers
02/02/2000CN1243578A Liquid crystal aligning agent
02/01/2000US6020456 Copolyetherimides with resistance to high temperatures
02/01/2000CA2065947C Detergent composition containing a polyimide biopolymer hydrolyzable in a washing medium
01/2000
01/26/2000EP0974613A2 Method for production of succinimide type polymer and aspartic acid type polymer