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)
02/1980
02/12/1980CA1071787A1 Coating composition and method of coating substrates therewith
02/05/1980US4187365 Process for the production of polycondensate containing cyclic imide groups
02/05/1980US4187364 5- or 3,5-7malemidyl)-trimellitic or -phthalic acid derivatives used in condensation and addition polymers
02/05/1980US4187203 Polyamine-chromic acid ionic polymers and aqueous cationic electrocoat systems containing the same
02/05/1980CA1071035A1 Gas-barrier coated films, sheets or foils and method of preparation
01/1980
01/29/1980US4186263 Injection moldable amide-imide terpolymers containing divalent aromatic quinone radicals
01/29/1980US4186191 Novel complexes of polyoxazolines or polyoxazines and halogens, interhalogens or pseudohalogens and process for preparing same
01/22/1980CA1070065A1 Asymmetric, semipermeable membranes of polybenz-1,3-oxazine diones-(2,4)
01/15/1980US4184021 Ambient cure polyimide foams prepared from aromatic polyisocyanates, aromatic polycarboxylic compounds, furfuryl alcohol, and a strong inorganic acid
01/15/1980US4184019 Oxidatively stable ion exchange resin condensation product of an epichlorohydrin and a polyamine
01/15/1980US4183839 Polyimide resin-forming composition
01/15/1980US4183838 Stable coatings and adhesives from a bisimide adduct
01/15/1980US4183835 Salts of a basic nitrogenous compound as stabilizers for neutralized polyamide-acid resin
01/15/1980CA1070049A1 Crosslinkable mixtures
01/15/1980CA1070036A1 Process for manufacturing enamels of polyester-polyimide resins, particularly for coating electric conductors
01/15/1980CA1069935A1 Dichlorobutene/dimethylamine polymer
01/15/1980CA1069903A1 Imidyl-benzene-dicarboxylic and-tricarboxylic acid derivatives
01/08/1980US4182853 Process of breaking up gel of polyamide-imide
01/08/1980US4182849 Copolymers made from divinyl aromatic compounds and alkylene polyamines
01/08/1980US4182846 Water and oil repellents, antisticking agents
01/08/1980US4182812 Process for the preparation of hydantoin lacquers
01/08/1980CA1069650A1 Multicellular materials made of thermostable bis-imides polymers
01/08/1980CA1069649A1 Thermostable cellular composites
01/08/1980CA1069522A1 Polymeric quaternary ammonium salts, process for their manufacture and their use
01/08/1980CA1069513A1 Polyetherimides from dianhydrides containing tolane or dichloroethylene-diphenylene residues
01/08/1980CA1069512A1 Polyetherimides from fluorene or phenolphthalein based diether anhydrides
01/01/1980US4181793 Poly(hydrazone-hydrazine)
01/01/1980US4181789 Polyparabanic acid derivatives and process therefor
01/01/1980US4181641 Polyetheramide-acid-imide solution and process for preparation thereof
01/01/1980CA1069136A Preparation of polyalkylene polyamines
01/01/1980CA1069124A Imidyl-benzenedicarboxylic acid derivatives
12/1979
12/25/1979US4180648 Crystalline polyimides
12/25/1979US4180632 Polyaminoesters and foams made therefrom
12/25/1979US4180614 Gas-barrier coated films, sheets or foils and method of preparation
12/25/1979US4180612 Hydantoin-polyester coating compositions
12/25/1979US4180404 Heat resistant photoresist composition and process for preparing the same
12/25/1979US4180084 Cosmetic compositions containing polymeric quaternary ammonium salts
12/25/1979CA1068696A Catalytic trimerization of aromatic nitriles and triaryl-s-triazine ring cross-linked high temperature resistant polymers and co-polymers made thereby
12/18/1979US4179551 Low temperature curable compliant bismaleimide compositions
12/18/1979US4179423 Water-soluble polyester imide resins
12/18/1979CA1068438A1 Process for the manufacture of polymers containing s-triazine rings
12/18/1979CA1068427A1 Water soluble polyamide acid precursors of polyimides
12/18/1979CA1068304A1 Preparation of polyalkylene polyamines
12/11/1979US4178434 Drainage aids in papermaking
12/11/1979US4178431 Heat resistance, reinforcers for plastics and rubbers
12/11/1979CA1068041A1 Process for the preparation of polyhydantoins and polyparabanic acids
12/04/1979US4177333 Catalysts for polyimide foams from aromatic isocyanates and aromatic dianhydrides
11/1979
11/27/1979US4176223 Polyimide-esters and filaments prepared from 4-(4'-carboxyphthalimido)benzoic acid or 4-(4'-hydroxyphthalimido)phenol
11/20/1979CA1066840A2 N-cyanosulfonamide resins and intermediates therefor and products thereof
11/20/1979CA1066719A1 N-cyanosulfonamide resins and intermediates therefor and products thereof
11/14/1979EP0005342A1 Thermoformable composition containing a cross-linked cyanurate polymer, and a process for producing same
11/14/1979EP0005241A1 Polyalkylene polyamines containing quaternary ammonium groups, method for their preparation and their use as auxiliary agents in paper making
11/14/1979EP0005201A1 Paper sizing agent
11/13/1979CA1066449A1 Hair treatment and conditioning compositions
11/13/1979CA1066447A1 High molecular weight polytriazines of soluble polymeric n-cyano-isourea ethers
11/13/1979CA1066298A1 Dianhydrides
11/06/1979US4173700 Bis (difluoromaleimide) capped propolymers and polymers
11/06/1979US4173592 Heat-resistant resin composition
10/1979
10/30/1979CA1065538A1 Method of producing linear plyethylenimine
10/30/1979CA1065207A1 Internally coated reaction vessel for use in olefinic polymerization
10/23/1979CA1064785A1 Internally coated reaction vessel and process for coating the same
10/17/1979EP0004592A1 Bisimide-ether compounds, compositions containing these compounds, and a method for their production
10/16/1979CA1064643A1 Process for the production of polycondensate containing cyclic imide groups
10/09/1979US4170684 Enamel lacquers for wires
10/02/1979US4169931 Process for the preparation of (thio)hydantoins substituted with amide groups
10/02/1979US4169771 Brightening agent comprising an alkalated condensation polymer of an epihalohydrin and an n-heterocyclic compound
09/1979
09/25/1979US4169085 Polyimide from cyclopentanetetracarboxylic acid
09/25/1979CA1063283A1 Preparations of reaction products of epoxides, fatty amines and fatty acids, process for their manufacture and their use
09/25/1979CA1063276A1 Nitrogenous condensation products
09/25/1979CA1063275A1 Polytetrafluorethylene-polytriketoimidazolidine-solvent coating composition
09/25/1979CA1063129A1 Process for the production of highly pure, polyfunctional cyanic acid esters
09/18/1979US4168367 By-product inhibition, crosslinking
09/18/1979US4168366 Esterification with unsaturated alcohol
09/18/1979US4168360 Crosslinked, insoluble, infusible coatings and molding materials
09/11/1979US4167620 Method for heat treating shaped articles of amide-imide or amic acid polymers
09/11/1979US4167618 Sulfonium catalysts
09/11/1979CA1062396A1 Polyester coating compositions
09/11/1979CA1062395A1 Polyester coating compositions
09/05/1979EP0003757A1 Tricyclic imide derivatives and process for their preparation
09/04/1979US4166894 Quaternary ammonium compounds or polymers having amide groups
09/04/1979CA1061948A1 Thermostable resins from bismaleimides and amonia
09/04/1979CA1061937A1 Copolymers of ethynyl terminated polyimides and diethynylbenzene
09/04/1979CA1061934A1 Heat-curable, storage stable, polyesterimide compositions
09/04/1979CA1061929A1 Processable high temperature polymers
08/1979
08/28/1979US4166170 Mixed diamines for lower melting addition polyimide preparation and utilization
08/28/1979US4166168 Polymerization products of acetylene-terminated polyimide derivatives
08/28/1979US4166002 Polyamines containing acid groups that are useful in papermaking
08/22/1979EP0003585A2 Stabilised azulmic acids, process for their preparation and their use
08/22/1979EP0003571A2 Solid modified azulmic acids with intact polycyclic structure, process for their preparation and their use
08/22/1979EP0003542A1 Polyalkylpiperidine derivatives of s-triazines, their use as stabilizers for polymers and polymers thus stabilized
08/22/1979EP0003499A1 Process for the manufacture of water-soluble condensation products, their use in papermaking and process-aids containing these condensation products
08/21/1979CA1061042A1 Process for the preparation of macromolecular adenine derivatives and products obtained thereby
08/21/1979CA1060641A1 Polyhydrazide solutions
08/14/1979CA1060453A1 Polythioetherimides
08/07/1979USRE30067 Iminoimidazolidinedione and parabanic acid polymers containing imide groups
08/07/1979CA1060144A1 Polymeres thermostables
08/07/1979CA1060132A1 Thermostable heat resistant compositions
07/1979
07/31/1979US4163097 Crosslinkable polymeric compounds
07/31/1979CA1059436A1 Quarternary polymers based cosmetic agents_
07/17/1979US4161581 Poly-[(dialkyl and hydroxy-dialkyl-imino)ethylene halides] and process