| 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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| 07/26/1983 | US4395557 Fireproofing fabrics and fibers |
| 07/26/1983 | US4395541 Ionene polymer and preparation thereof |
| 07/26/1983 | US4395527 Siloxane-containing polymers |
| 07/26/1983 | US4395514 Process for preparing a carbon fiber reinforced composite article which utilizes a polyimide matrix |
| 07/26/1983 | US4395508 Polycondensates of substituted piperidines and use thereof as stabilizers for polymers |
| 07/26/1983 | US4395482 Quinone diazide and a polyoxazole precursor, storage stable |
| 07/26/1983 | CA1150872A1 Water-soluble mixtures of quaternary ammonium polymers, nonionic and/or cationic addition polymers, and nonionic and/or cationic surfactants |
| 07/20/1983 | EP0083690A1 Polyamide acid composition for preparing polyimide and process for preparing polyimide from the same |
| 07/19/1983 | US4394524 Preparation of polyalkylene polyamines from ammonia, alkyleneamine, and alkanolamine |
| 07/19/1983 | US4394500 Bead polymerization process for preparing polybenzimidazole |
| 07/19/1983 | US4394499 Polyimide resins |
| 07/19/1983 | US4394464 Modified polyimide foams and methods of making same |
| 07/19/1983 | CA1150436A1 Polyester imide wire enamels |
| 07/19/1983 | CA1150435A1 Polyester imide wire enamels |
| 07/19/1983 | CA1150262A1 Preparation of water-soluble condensates and their use as cross-linking agents for the preparation of papermaking aids |
| 07/12/1983 | US4393239 Multistep, acid catalyst |
| 07/12/1983 | US4393222 Intermediates for polyimides |
| 07/12/1983 | US4393196 Polyacylhydrazides, optical filters, polarizers |
| 07/12/1983 | US4393195 Curable cyanate ester/acrylic epoxy ester composition |
| 07/12/1983 | US4393188 Thermosetting prepolymer from polyfunctional maleimide and bis maleimide |
| 07/12/1983 | CA1149812A1 Polyetherimides |
| 07/05/1983 | US4391967 Polyimides-polyamides from tricyclo [4.2.1.02,5 ] nonane-3,4-dimethyl-3,4,7,8-tetracarboxylic acid dianhydride and dicarboxylic acids |
| 07/05/1983 | US4391945 Chelate resin prepared by reacting butane-1,2,3,4-tetra-carboxylic acid or anhydride with polyethylene polyamine |
| 07/05/1983 | US4391751 Phthalic anhydride derivatives |
| 06/29/1983 | EP0082724A1 A polyamide acid, a process for its production and a polyimide produced therefrom |
| 06/29/1983 | EP0082373A1 Dicyandiamide-formaldehyde condensates and process for preparing the same |
| 06/28/1983 | US4390689 Quaternized polyamine |
| 06/28/1983 | US4390596 Polyamine, bis-maleimide, free radical catalyst, filler |
| 06/28/1983 | CA1148951A1 Stabilised azulmic acids, processes for their preparation and their use |
| 06/22/1983 | EP0081994A2 Preparation of thermosetting resins and of pigmented compositions thereof for coating on paper |
| 06/21/1983 | US4389521 Process for preparing a cyclic amide polar solvent composition |
| 06/21/1983 | US4389510 Water soluble polyimide prepared from 1,2,3,4 butane tetracarboxylic acid and method of preparation |
| 06/21/1983 | US4389504 Elastomer toughened polyimide adhesives |
| 06/21/1983 | CA1148697A1 Method for making polyetheramide acid |
| 06/15/1983 | EP0081291A2 Polymer-metal complexes containing quaternary nitrogen atoms, process for preparation thereof and pharmaceutical agents comprising the same |
| 06/14/1983 | US4388456 Food packaging |
| 06/14/1983 | CA1148293A1 Covalently bonded prepolymer fillers in elastomers |
| 06/14/1983 | CA1148158A1 Chemically stabilized azulmic acids, processes for their preparation and their use |
| 06/07/1983 | US4387192 Methylolated acrylamide |
| 06/01/1983 | EP0080079A1 Process for the preparation of hydantoins |
| 05/25/1983 | EP0079536A2 Process for the preparation of modified polyamines |
| 05/24/1983 | US4385165 Coating for optical fibers |
| 05/24/1983 | US4385140 Modified azulmic acids |
| 05/18/1983 | EP0079021A2 Process for preparing (thio)hydantoins |
| 05/18/1983 | EP0079020A2 Process for preparing hydantoins |
| 05/17/1983 | US4384122 Process for the production of imidazolidine triones |
| 05/17/1983 | US4384110 Polyalkylene-amines, papermaking |
| 05/17/1983 | US4384061 Thermosetting polycondensates containing amide and imide groups, and their use |
| 05/17/1983 | US4383903 Curable resin composition |
| 05/11/1983 | EP0078503A1 Thermosetting resin composition and prepolymer thereof |
| 05/10/1983 | US4383107 Mixture containing N-cyanolactam for the preparation of nitrogen-containing polyadducts |
| 05/10/1983 | US4383105 N-heterocyclic polymers; polylactone copolymers; high modulus; films; reinforcement |
| 05/10/1983 | US4383077 Cationic resins) polyamide-amino resin copolymers; water solubility; papermaking; sizing |
| 05/10/1983 | US4383067 Polymers characterized by 1,3-imidazolidine-1,3-diyl rings plasticized with phosphate esters |
| 05/04/1983 | EP0078039A1 Thermosetting resin composition, prepolymer thereof and cured article thereof |
| 05/04/1983 | EP0077840A1 Curable resin composition |
| 05/03/1983 | US4382129 Polyaminopolyamide |
| 05/03/1983 | US4381919 Polyamines |
| 04/27/1983 | EP0077718A1 Process for preparing aromatic polyimide compositions with a high solubility and the uses thereof |
| 04/26/1983 | US4381396 Silynorbornane anhydrides and method for making |
| 04/26/1983 | US4381363 Cure retarding additives for acetylene-terminated polymers |
| 04/26/1983 | US4381210 Process for producing polyimide tubes |
| 04/20/1983 | EP0077056A1 Negative-type resist sensitive to ionizing radiation |
| 04/19/1983 | US4380619 Polybenzothiazoles; n-heterocyclic polymers; solubility; heat resistance; aircraft; aerospace |
| 04/19/1983 | US4380603 Cationic polymers, sizing |
| 04/19/1983 | US4380602 Water-soluble thermosettable resinous compositions containing dicyandiamide-formaldehyde condensates modified with epihalohydrin and process for preparing the same |
| 04/13/1983 | EP0076691A1 Anhydride polymers and imide polymers and processes for preparing them |
| 04/13/1983 | EP0076483A1 Thermoplastic elastomeric polyetheresterimides |
| 04/13/1983 | EP0076482A1 Elastomeric polyetheresterimides |
| 04/12/1983 | US4379896 Keto/polycarboxy containing resin |
| 04/12/1983 | CA1144691A1 Sizing accelerator |
| 04/12/1983 | CA1144433A1 Reverse osmosis membrane |
| 03/30/1983 | EP0075239A1 Process for producing aqueous thermosetting electrically insulating lacquers, and their use |
| 03/29/1983 | US4378407 Magnet wire |
| 03/29/1983 | US4378400 Polyimide polymer film |
| 03/29/1983 | US4378324 Dissolving in a phenol, coagulating with an aliphatic alcohol, aliphatic ketone, ether, amide, or dimethyl sulfoxide |
| 03/23/1983 | EP0074798A1 Polyoxyalkylenepolyamine curing agents for epoxy resins, method of making the curing agents, and curing method |
| 03/23/1983 | EP0074622A2 Quaternized polymeric polyoxyalkyl-alkylene polyamine, process for its preparation and its use |
| 03/23/1983 | EP0074621A2 Cationic poly(ethyleneoxide-propyleneoxide) or poly(ethyleneoxide-butylene oxide), its preparation and its use |
| 03/23/1983 | EP0074558A2 Process for the production of water-solube, nitrogen-containing condensation products, and their use in the manufacture of paper |
| 03/22/1983 | US4377673 Lamination; molding materials; crosslinking |
| 03/22/1983 | US4377657 Bis-maleimide resin/divinyl arylene composites |
| 03/22/1983 | US4377536 Polyamide derivatives having unsaturated terminal amic acid groups |
| 03/22/1983 | US4377525 Addition products of diacetylene-terminated polyimide derivatives and a dienophile having a terminal vinyl group |
| 03/16/1983 | EP0073910A2 Method of etching polyimide |
| 03/09/1983 | EP0073520A1 Preparation of polyalkylene polyamines from ammonia, alkyleneamine and alkanolamine |
| 03/08/1983 | US4376206 Quick-curable heat resistant resins |
| 03/08/1983 | US4376195 Method of preparing high purity polyamic acids for use in electronic circuitry |
| 03/01/1983 | US4375536 Polyphenylquinoxalines containing pendant phenylethynyl and ethynyl groups |
| 03/01/1983 | US4375528 Water soluble oil modified imidized polyesters |
| 03/01/1983 | CA1142297A1 Compounds of sterilizing activity |
| 02/22/1983 | US4374972 Electric insulation |
| 02/22/1983 | US4374964 Method of preparing high molecular weight polyamines |
| 02/22/1983 | US4374781 Alkylated phosphazene oligomers and method of preparation |
| 02/22/1983 | CA1141777A1 Synthesis of polyamic acid |
| 02/17/1983 | WO1983000443A1 Composite semipermeable membrane, process for its production, and methode of its use |
| 02/16/1983 | EP0072180A1 Low molecular weight aromatic polymers with biphenylene end groups |
| 02/16/1983 | EP0072009A2 Polytriazinyl alcohols, esters and urethanes, process for their preparation and their use as stabilizers |
| 02/16/1983 | EP0071749A2 Novel polyimides and polyamic intermediates thereof |
| 02/15/1983 | US4374244 Linear quaternary ammonium polymers |