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)
02/1982
02/10/1982EP0045721A2 Piperidyl derivatives of triazine copolymers, process for their preparation and compositions stabilised with such derivatives
02/09/1982US4315093 Fluorinated polyphthalocyanines
02/09/1982US4315087 Quaternary polyaminoamides
02/09/1982US4315080 Polyimides
02/09/1982US4315077 Polyimides
02/09/1982US4315076 Polyimides
02/09/1982US4314808 Hair dyes; polyaspartic acid modified by a dye residue-containing amine; antisoilants
02/09/1982CA1117954A1 Process for preparation of oligoimides
02/04/1982WO1982000296A1 Polymerizable composition
02/02/1982US4314083 Preparation of linear polyalkylene polyamines
02/02/1982US4314047 Particulated polyetherimide and method for making
02/02/1982US4314001 Novel polymeric compounds, processes and methods of use
02/02/1982US4313999 Laminate composition comprising polyetherimide impregnated fabric
02/02/1982US4313870 Process for producing polycondensates
02/02/1982US4313868 Reinforced usable as engineering plastics
02/02/1982CA1117531A1 Polymers containing imidyl groups and silyl groups
01/1982
01/27/1982EP0044418A1 Process for the preparation of imidazolidine triones
01/26/1982US4312976 From aromatic tetraamine and dicarboxylic acid or a diaminoaromatic carboxylic acid
01/26/1982US4312832 Polymerization of aromatic nitrogen heterocyclic compounds
01/20/1982EP0043933A1 Process for the preparation of polyamine mixtures with a big portion of 4,4'-diamino-diphenyl methane
01/20/1982EP0043855A1 Injection moldable amide-imide copolymers and terpolymers.
01/19/1982US4311850 Preparation of higher muconic acid monesters
01/19/1982US4311785 Method for the preparation of highly heat-resistant relief structures and the use thereof
01/12/1982US4310699 Process for synthesizing bis (phenylglyoxyloyl)benzenes usable for manufacturing polyphenylquinoxaline resins
01/12/1982US4310641 Polyamide-imide modified with a cinnamoyl group
01/12/1982US4310447 Curable and cured, modified aminotriazine condensation products and a means and process for their manufacture
01/12/1982CA1116168A1 Heterocyclic nylon-1 type polymers
01/06/1982EP0043265A1 Gas separating material
01/05/1982US4309528 From fully or partically acylated aromatic diamines and trimellitic anhydride
01/05/1982US4309512 Maleimide compound modified with furfuryl aclohol, epoxy resin, polyvinyl formal and curing agent; dielectric coatings
01/05/1982US4309324 Gelling agents for hydrocarbons in presence of water
01/05/1982CA1115713A1 Silicon-modified bis-phthalic acid derivatives
12/1981
12/30/1981EP0042554A1 Polytriazinyl amines, process for their preparation, their use as stabilizing agents for synthetic polymers and polymers stabilized with these compounds
12/30/1981EP0042410A1 Heat curable polymides
12/22/1981US4307226 Ester interchange with ethylene glycol and non-polluting solvents
12/22/1981US4307220 Purification of acetylene-terminated polyimide oligomers
12/16/1981EP0041852A1 Polymers having 1,3-imidazolidine-1,3diyl rings plasticized with aromatic nitriles
12/16/1981EP0041678A2 Process for the production of highly heat-resistant relief structures, and their use
12/16/1981EP0041677A2 Radiation reactive precursors of highly heat-resistant polymers, and their use
12/16/1981EP0041651A1 Process for producing wet strength agents for paper
12/15/1981US4306073 Silicon-modified bis-phthalic acid derivatives
12/15/1981US4305829 Process for flocculating an aqueous suspension of particles with quaternary ammonium graft copolymers
12/15/1981US4305796 Methods of preparing polyimides and artifacts composed thereof
12/15/1981CA1114549A2 Polyesters formed from dicarboxylic acids containing triazine rings
12/15/1981CA1114543A1 Graft copolymers containing polyoxazoline and polyoxazine, and the preparation thereof
12/08/1981US4304910 Hair conditioners, flocculants
12/08/1981US4304898 Heat resist metal wire coatings
12/08/1981US4304896 Polyphthalocyanine resins
12/08/1981US4304894 Quaternary ammonium terpolymers
12/08/1981US4304818 Insulation system for winding of electric rotating machines and process of production thereof
12/08/1981CA1114093A1 Polymers with imide groups
12/02/1981EP0041048A2 Mixtures for preparing polyadducts containing nitrogen
12/01/1981US4303779 Thermosetting imide resins from dihydrazide
12/01/1981US4303775 Novel acetylene end-capped esterimides
11/1981
11/25/1981EP0040496A1 Air- and/or oven-drying lubricant paint composition for producing dry-film lubricants
11/25/1981EP0040415A2 Heat-resistant resin compositions and their use for coating metal substrates
11/24/1981US4302575 Heat curable polyimides
11/24/1981US4302572 Polyisocyanatoimido compositions and imide group containing polymers prepared therefrom
11/18/1981EP0040042A2 Process for producing aromatic polyimide filaments
11/10/1981US4299946 Thermosetting resins
11/10/1981US4299945 Thermoplastic polyamide imide copolymers and method of preparation
11/10/1981US4299926 Polymeric light stabilizers for plastics
11/10/1981US4299750 Heat resistant thermoplastic resins
11/03/1981US4298515 Reacting polyglycine acid derivatives with polyisocyanates or polyisothiocyanates and cyclic anhydrides
11/03/1981CA1111997A1 Imide-crosslinked ethylenic polymer resin foams
10/1981
10/27/1981US4297492 Stabilizers for plastics
10/27/1981US4297484 Quaternized derivatives of polymerized pyridines and quinolines
10/27/1981US4297481 Process of forming polymeric polyamine/amide
10/27/1981US4297475 Said haloamide being acyclic, or containing an azetidine ring
10/27/1981US4297474 Molding materials; coatings; films
10/27/1981US4297407 Finish composition for the spinning of highly crimped cellulose fibers using a composition cont. fatty acid ester, organic phosphoric acid ester, fatty acid ethylene oxide cond. prod. and fatty acid salt
10/27/1981US4297385 Particulated polyetherimide and method for making
10/20/1981US4296219 Bismide-ether compounds, compositions thereof, and method of producing same
10/20/1981US4296218 Heat-curable and solvent-soluble ester group-containing polymer compositions and process for their preparation
10/20/1981US4296208 Spray drying polyamide
10/13/1981US4294963 Polyalkylpiperidine derivatives of s-triazine
10/13/1981US4294952 Polyamide-imide resin and its production
10/13/1981CA1110644A1 Process for preparing polyetheramide-acids
10/06/1981US4293684 Polyetherimide having long chain aliphatic end groups and method for making
10/06/1981US4293683 Method for making polyetherimides using carboxylic acid salts of alkali metals or zinc as catalysts
10/06/1981US4293670 Crack resistance, molding materials
10/06/1981CA1110395A1 Epoxide resin mixtures
10/01/1981WO1981002739A1 Bis-maleimide resin and composites thereof
09/1981
09/30/1981EP0036710A1 Phenanthrene based polyimide resin
09/23/1981EP0036330A1 Process for continuously producing an aromatic polyimide film
09/23/1981EP0036255A1 Method of producing an improved poly-(amide-imide) resin
09/22/1981US4291149 Injection moldable amide imide copolymers and terpolymers
09/22/1981US4290936 Process for preparing polyimide solution
09/15/1981CA1109196A1 Resinous reaction products
09/15/1981CA1109175A1 Coating solution of polyetherimide-forming monomers
09/08/1981US4288583 Molding materials
09/08/1981CA1108361A1 Ultrafiltration membranes based on heteroaromatic polymers
09/01/1981US4287331 Improved method of preparing high molecular weight polyamines
09/01/1981US4287110 Production of aqueous solutions of cationic thermosetting resins
08/1981
08/25/1981US4286097 Carboxylic acid dianhydrides based on trimellitic anhydride
08/18/1981CA1107427A1 Crosslinked aromatic polyimides and articles made therefrom
08/12/1981EP0033477A1 Process for preparing hydantoins and their use in temperature-proof lacquers, foils, adhesives, foams and moulded articles
08/12/1981EP0033423A2 Anisotropic melt-forming polymer
08/12/1981EP0033394A1 Molding composition consisting of poly(arylether) resins and polyetherimide resins
08/11/1981US4283522 By heating with a diamine