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

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)
11/1977
11/15/1977	US4058503 Process for preparing organic solvent-soluble poly(amide-imide)
11/08/1977	US4057580 Production of water-soluble polyamine condensate polymers having greater linear characteristics
11/08/1977	US4057569 Bisorthodinitriles
11/08/1977	US4057518 Process for the manufacture of heat resistant multicellular materials
11/01/1977	US4056560 N,N'-bis(3,4-dicyanophenyl) alkanediamides
10/1977
10/25/1977	US4055712 Method of preparing capped polymers
10/25/1977	US4055543 Chain-extending Schiff base terminated polyimides and method of preparation
10/18/1977	US4054633 N-alkylhydrazide polymers from monomer solutions
10/18/1977	US4054577 Preparation of aromatic bisimides
10/18/1977	US4054542 Amine-epichlorohydrin polymeric compositions
10/11/1977	US4053498 Perfluoroalkylene ether-imidate and -thioimidate esters
10/11/1977	US4053444 Colloidal polyamic acid electrodeposition compositions and process for preparing said compositions
10/04/1977	US4052353 Surfactant
09/1977
09/27/1977	US4051163 Polyimide containing silicones
09/27/1977	US4051110 Methylene phosphonates of polymerized polyalkylenepolyamines
09/27/1977	US4051108 Preparation of films and coatings of para ordered aromatic heterocyclic polymers
09/20/1977	US4049746 Polyalkylenimine-amino-acrylic resin
09/20/1977	US4049711 Polysulfonamide monomers
09/20/1977	US4049637 Polymer prepared from hydrazine and tricarboxylic acid derivatives and method of preparation
09/20/1977	US4049630 Condensing a hydroxy compound with cyanuric chloride, condensing the product with an aromatic hydroxy compound
09/20/1977	US4049613 Polyetherimide composites
09/13/1977	US4048148 Polyazomethine fibers and films
09/13/1977	US4048144 Polyamideimide copolymers
09/13/1977	US4048142 Wire coating
09/13/1977	US4048139 Rendering polybenzimidazole solid materials more resistant to darkening upon exposure to light
09/06/1977	US4046949 Novel polymers from reaction of tricarboxylic anhydrides and hydrazines or hydrazides coated on substrate
09/06/1977	US4046835 Polymers with imide groups, and comprising a polyester free from aliphatic unsaturation
09/06/1977	US4046814 Preparation of diketones
09/06/1977	US4046796 Process for the production of polyfunctional cyanic acid esters
09/06/1977	US4046779 Polyimides, crosslinking
09/06/1977	US4046777 Intermediates for heat-resistant polymers
09/06/1977	US4046748 Polymers of terpene-maleic anhydride adducts with aliphatic diamines
09/06/1977	US4046731 Process for preparing dopes from which shaped articles of oxadiazole/N-alkylhydrazide copolymers are obtained
09/06/1977	US4046648 Polyamine additives in alkaline zinc electroplating
08/1977
08/30/1977	US4045414 New di-substituted meta-terphenyl compounds and resulting polymers
08/30/1977	US4045409 Polyimides from 2,2'-bisphenylethynyl-diaminobiphenyl
08/30/1977	US4045407 Process for preparing amideimide polymers in the presence of alcoholic solvent
08/30/1977	US4045377 Cationic polymer prepared from dicyandiamide, a polyamide, a dialkylamine, and an epoxide
08/30/1977	US4045223 Method for the preparation of layer structures
08/23/1977	US4044053 Preparation of polyalkylene polyamines
08/23/1977	US4043986 Heat resistance
08/23/1977	US4043978 Polyimides
08/23/1977	US4043956 Used in forming caulks, paints, coatings, impregnants, adhesives
08/16/1977	US4042750 Products and process for preparation of polyamides and shaped articles therefrom
08/16/1977	US4042567 From polyhydroxy aromatic compound, dichlorotriazine, and cyanogen halide
08/09/1977	US4041065 Polyamide-imides prepared from 4-carboxy-phthalimide aliphatic carboxylic acids
08/09/1977	US4041034 Heat-convertible reaction products of equal mol ratios of s-diphenylcarbazide and an aromatic dianhydride
08/02/1977	US4039628 Fused nitrogen containing rings
08/02/1977	US4039581 Process for the preparation of di(amino phenyl)methanes
08/02/1977	US4039502 Polyhydrazide spinning solutions
08/02/1977	US4039446 Pollution control, carbon disulfide, amino resins
07/1977
07/26/1977	US4038450 Thixotropic aqueous polyimide compositions
07/26/1977	US4038320 Phenylethynyl substituted aromatic diamines
07/26/1977	US4038266 Azo-bisanhydride of trimellitic anhydride
07/26/1977	US4038254 Polycondensation, terephthalates, isocyanurates, trimellitic acid
07/26/1977	US4038251 Process for the manufacture of polyaddition products containing imide groups by reaction of polymaleimides with polyhydric phenols using amine catalyst
07/19/1977	USRE29316 From unsaturated bis-imide and a di-primary diamine
07/19/1977	US4036959 Microbiocidal capped polymers
07/19/1977	US4036882 From bis(haloethyl) formals
07/19/1977	US4036881 Preparation of polyalkylene polyamines
07/19/1977	US4036821 Manufacture of modified basic polyaminoamide with ammonium compound
07/19/1977	US4036808 Conductive hydrogel containing 3-ionene
07/19/1977	US4036748 Asymmetric, semipermeable membranes of polybenz-1,3-oxazine diones-(2,4)
07/12/1977	US4035480 Microbiocidal mixtures of polymeric quaternary ammonium compounds
07/12/1977	US4035465 Drawing polyoxadiazoles filaments
07/12/1977	US4035404 Cyanoformamidyl isocyanates and synthesis thereof
07/12/1977	US4035345 Thermosetting bis-imide compositions
07/05/1977	US4033937 Polyisocyanurate salt emulsifying agents and derivatives
06/1977
06/28/1977	US4032480 Method of producing linear polyethylenimine
06/21/1977	US4031067 Coatings, laminates
06/07/1977	US4028414 Process, products and composition
06/07/1977	US4028393 Process for the production of polyfunctional cyanic acid esters
06/07/1977	US4028311 Sulfuric acid
05/1977
05/31/1977	US4027020 Antimicrobials from 1,4-dihalo-2-butene and a mono- and a di-functional tertiary amine
05/31/1977	US4027009 Quaternary poly(alkylimino)alkylene as bile acid binders
05/31/1977	US4026945 Anti-microbial quaternary ammonium co-polymers
05/31/1977	US4026904 Aromatic epoxy-terminated polyimides
05/31/1977	US4026876 Soluble polyamide-imides derived from phenylindane diamines
05/31/1977	US4026871 Chain-extending phenolic end-capped polyimides
05/31/1977	US4026833 Crosslinked foams
05/24/1977	US4025653 Microbiocidal polymeric quaternary ammonium compounds
05/24/1977	US4025627 Microbiocidal polymeric quaternary ammonium compounds
05/24/1977	US4025617 Anti-microbial quaternary ammonium co-polymers
05/17/1977	US4024330 Internally coated reaction vessel and process for coating the same
05/17/1977	US4024301 Internally coated reaction vessel for use in olefinic polymerization
05/17/1977	US4024110 Method for making polyetherimides
05/17/1977	US4024108 Alkylene-linked aromatic polyimides
05/17/1977	US4024101 Method for making poly-etherimides and products produced thereby
05/10/1977	USRE29213 Wire enamel based on amide-imide hydantoin polymers
05/10/1977	US4022793 Heat resistance
05/10/1977	US4022751 Anti-oxidant stabilizers
05/10/1977	US4022746 Condensation, aromatic diglyoxyl or dibenzil, ortho-diamine
05/10/1977	US4022732 Poly(amide acids) release agents for pressure-sensitive adhesive tapes
05/10/1977	US4022721 Isocyanate and epoxy compounds
05/03/1977	US4021412 Dianhydride
05/03/1977	US4021409 Thermally stable benzimidazonaphthyridine compositions
05/03/1977	US4021358 Toner for developing electrostatic latent images
05/03/1977	US4021243 Diazo light-sensitive copying composition and process of using in the manufacture of screen printing stencils
04/1977
04/26/1977	US4020303 Polyimides prepared from amine terminated prepolymers and olefin containing anhydrides
04/26/1977	US4020142 Chemical modification of polybenzimidazole semipermeable

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