| 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) |
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| 03/03/1981 | CA1096866A1 Dicarboxylic acids containing triazine rings, and polyesters formed from these dicarboxylic acids |
| 02/24/1981 | US4252919 Carbonyl compounds, decarboxylation, fertilizers |
| 02/24/1981 | CA1096549A1 Internally coated reaction vessel and process for coating the same |
| 02/17/1981 | US4251649 Heat-curable and solvent-soluble ester group-containing polymer compositions and process for their preparation |
| 02/17/1981 | US4251420 End-capped polyimide oligomers |
| 02/17/1981 | US4251419 Novel vinyl end-capped polyimide oligomers |
| 02/17/1981 | US4251418 Polyimide oligomers |
| 02/17/1981 | US4251417 Coatings and laminating varnishes |
| 02/11/1981 | EP0023662A1 Heat-resistent positive photoresists and process for the preparation of heat-resistent relief structures |
| 02/11/1981 | EP0023610A1 A modified polyamide imide resin and its use for preparing electrical insulation materials and shaped articles |
| 02/10/1981 | US4250299 Retention agents and drainage accelerators for papermaking |
| 02/10/1981 | US4250298 Polyamines containing amide groups |
| 02/10/1981 | US4250279 Polyarylate blends with polyetherimides |
| 02/10/1981 | US4250269 Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic vinyl-addition polymers, and nonionic and/or cationic surfactants |
| 02/10/1981 | US4250112 Polyalkylenepolyamines containing quaternary dialkylammonium groups |
| 02/10/1981 | US4250106 Process for the preparation of substantially pure cyclo aliphatic diisocyanate stereoisomers |
| 02/10/1981 | CA1095643A1 Amideimide polymers |
| 02/10/1981 | CA1095343A1 Internally coated reaction vessel for use in olefinic polymerization |
| 02/04/1981 | EP0023406A1 Process for preparing aromatic polyimide semipermeable membranes |
| 02/04/1981 | EP0023342A1 Curable and cured modified amino-triazine condensates, agent and process for their preparation |
| 02/03/1981 | CA1095083A1 Aromatic diamines and process for their manufacture |
| 01/28/1981 | EP0022827A1 Reverse osmosis membrane |
| 01/27/1981 | US4247672 Heat-curable mixtures based on polyimides and poly-β-iminocrotononitriles |
| 01/27/1981 | US4247670 Curable mixtures based on maleimide and 2,2,4-trimethyl-1,2-dihydroquinoline |
| 01/27/1981 | US4247476 Polymeric quaternary ammonium salts containing specific cationic recurring units |
| 01/27/1981 | CA1094739A1 Solutions of polyester-imides |
| 01/21/1981 | EP0022501A1 Polycondensates of substituted piperidines and use thereof as stabilizers for polymers |
| 01/20/1981 | US4246397 Polymers comprising heterocyclic system |
| 01/20/1981 | US4246393 From an unsaturated dicarboxylic acid and an isocyanate or isothiocyanate having two or more isocyanate or isothiocyanate groups |
| 01/14/1981 | EP0022148A1 Complexes of polyoxazolines or polyoxazines with polyhalide anions, their preparation, method and sanitizing agents comprising them |
| 01/13/1981 | US4245086 By reacting trimellitic acid anhydride with a monoalkanolamine |
| 01/13/1981 | US4245085 Adhesives, caulking compounds, sealants, liners |
| 01/13/1981 | US4244853 Composition and method for making polyimide resin-reinforced fabric |
| 01/13/1981 | CA1093735A1 Aromatic polymers containing a nitrogen-containing ring group, and process for preparation thereof |
| 01/07/1981 | EP0022049A1 Process for preparing polymers that contain imide groups and that are modified with silicon, and the polymers obtained by this process |
| 01/07/1981 | EP0021265A1 Polyamines containing urea groups, their preparation and use as retention means, and compositions containing them |
| 01/07/1981 | EP0020773A1 Light-sensitive polymer composition |
| 01/06/1981 | US4243800 Strippable coating resin from nitroalkanol and polyamine |
| 01/06/1981 | US4243743 Photosensitive compositions |
| 01/06/1981 | US4243481 Paper reactive size, anhydrides, ketene dimer, isocyanates; cationic polymer promoters |
| 12/30/1980 | US4242498 Process for the preparation of fluorine containing crosslinked elastomeric polytriazine and product so produced |
| 12/30/1980 | US4242264 Tricyclic imidyl derivatives |
| 12/30/1980 | CA1092611A1 Process for the preparation of polyaryl amines having methylene bridges |
| 12/23/1980 | US4240914 Selective permeable membrane and process for preparing the same |
| 12/16/1980 | US4239883 Infusible and insoluble |
| 12/16/1980 | US4239880 Aromatic diamines and their use as polycondensation components for the manufacture of polyamide, polyamide-imide and polyimide polymers |
| 12/16/1980 | US4239497 Inhibiting sedimentation and discoloration using the reaction product of a polyoxyalkylene amine and an epihalohydrin |
| 12/09/1980 | US4238601 Perfluorinated aliphatic phenoxy bisorthodinitriles and polyphthalocyanines therefrom |
| 12/09/1980 | US4238591 Bis-maleimide, silanediol or siloxane |
| 12/02/1980 | US4237262 At low temperatures; sealants |
| 12/02/1980 | US4237259 Thermoplastic resins |
| 11/25/1980 | US4235767 Process for the production of halohydrin-amine-silicate resinous products |
| 11/25/1980 | CA1090363A1 Polymeric quaternary ammonium salts, processes for their preparation and their use |
| 11/18/1980 | US4234715 Perfluoroalkyl polytriazines containing pendent iododifluoromethyl groups |
| 11/18/1980 | US4234714 Preparation of single-phase, urethane prepolymers from hydroxy-terminated diene polymers |
| 11/18/1980 | US4234712 Polyphthalocyanine resins |
| 11/18/1980 | US4234707 Polymeric light stabilizers for plastics |
| 11/11/1980 | US4233435 Polyesterimide resins and synthesis thereof |
| 11/11/1980 | US4233412 Polymeric light stabilizers for plastics |
| 11/11/1980 | US4233410 Sterically hindered polyureas of low molecular weight |
| 11/11/1980 | US4233258 Solvent-free oligomer of methylenedianilines and benzophenonetetracarboxylic diethyl ester and nadic monoethyl ester |
| 11/11/1980 | US4233220 Epoxide resin curing agents, intermediates to crosslinkable polymers |
| 11/11/1980 | CA1089593A1 Reaction products of hydrazides and certain unsaturated esters |
| 11/11/1980 | CA1089461A1 Stabilisers for synthetic polymers and a process for their preparation |
| 11/04/1980 | US4232131 Polyamide |
| 11/04/1980 | CA1089145A1 Organic metal finishes |
| 11/04/1980 | CA1089139A1 Aqueous polyester coating composition |
| 10/29/1980 | EP0017798A1 Modified polyester imides curable by high energy radiation, process for their production and their use in the insulation of electric wires |
| 10/21/1980 | US4229566 Articulated para-ordered aromatic heterocyclic polymers containing diphenoxybenzene structures |
| 10/21/1980 | US4229560 From polyisocyanates and bis-o-amino nitriles or bis-o-hydroxy nitriles for use in aircraft or spacecraft |
| 10/21/1980 | CA1088240A1 Conformed articles made of thermoplastic polymer |
| 10/15/1980 | EP0017422A1 Thermoplastic polyamideimide copolymers and method of preparation |
| 10/14/1980 | US4228281 Dicarboxylic acids containing triazine rings |
| 10/14/1980 | CA1087633A1 Process for the production of polyaryl amines containing methylene bridges |
| 10/07/1980 | US4226956 Graft copolymers containing polyoxazoline and polyoxazine, and the preparation thereof |
| 10/07/1980 | US4226801 Polyphthalocyanine resins |
| 10/07/1980 | US4226746 Allylic chloride backbone |
| 09/30/1980 | US4225702 Method of preparing polyamide acid type intermediates for processing of semiconductors |
| 09/30/1980 | US4225700 Thermally stable rod-like polybenzobisthiazole polymers |
| 09/30/1980 | US4225686 Elongation, tear strength, softening points |
| 09/30/1980 | US4225550 Crosslinking by heating to a temperature below the oligomer's melting point |
| 09/30/1980 | US4225513 Of secondary alcohols to form ketones |
| 09/30/1980 | US4225497 Preparation of N-substituted oligo-imides |
| 09/30/1980 | CA1086893A1 Polytriazines and a process for their production |
| 09/30/1980 | CA1086892A1 High molecular weight polytriazines of soluble polymeric n-cyano-isourea ethers |
| 09/30/1980 | CA1086891A1 Polytriazines and a process for their production |
| 09/30/1980 | CA1086746A1 Preparation of aromatic bisimides |
| 09/23/1980 | US4224431 Heterocyclic nylon-1 type polymers |
| 09/23/1980 | US4224214 Injection molding of amic acid and amide-imide polymers and molding compositions |
| 09/23/1980 | US4224206 Water soluble essentially linear polymer having a plurality of amide, imide and ester groups therein, and a method of making the same and applying the same to substrates |
| 09/17/1980 | EP0015720A1 Copolymeric coating compositions |
| 09/16/1980 | US4223123 Construction materials |
| 09/16/1980 | CA1085835A1 Polytriazine compounds |
| 09/09/1980 | US4221897 Method for making polyetheramide acid |
| 09/09/1980 | CA1085528A1 Water-solubilized resin composition |
| 09/09/1980 | CA1085421A1 Polyamine additives in alkaline zinc electroplating |
| 09/09/1980 | CA1085402A1 N,n'-bis(2,2,6,6-tetraalkyl-4- piperidyl)alkylenediamine-containing polymeric compounds and polyolefin compositions stabilized thereby |
| 09/03/1980 | EP0014816A1 Polycyclic polyphenols with propenyl groups and curable mixtures based on maleimides and propenyl-substituted phenols |
| 09/02/1980 | US4220750 Solvent-resistant thermoplastics |
| 09/02/1980 | US4220741 Molding materials having good mechanical and dielectric properties |