| 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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| 04/26/1977 | US4020050 Multistage |
| 04/26/1977 | US4020019 Anticaries agents |
| 04/19/1977 | US4018748 Polyamides containing 1,2,5-Oxadiazole-3,4-dicarbonyl groups |
| 04/19/1977 | US4018743 Process for preparing triketoimidazolidines |
| 04/19/1977 | US4018742 Imide-ring containing polyester and wire enamel containing same |
| 04/19/1977 | US4018721 Cross-linked, water insoluble poly(N-glycidyl-piperazine) |
| 04/19/1977 | US4018592 Cationic polymers |
| 04/12/1977 | US4017466 Polybenzimida zoquinazolines and prepolymers for making same |
| 04/12/1977 | US4017459 Thermoplastic molding materials |
| 04/05/1977 | US4016209 3-[N'-(3-Halopropyl)-N-'-methylamino]-N,N,N-trimethyl-1-propanaminium halide and acid addition salts thereof |
| 04/05/1977 | US4016173 Oxindole diamines |
| 04/05/1977 | US4016150 Sulfur and nitrogen-containing organic compositions processes for making them and fuels and additives containing them |
| 04/05/1977 | US4016140 Heating, pressurization |
| 04/05/1977 | US4016128 Preparation of aqueous solutions of quaternary ammonium resins from di(tertiary amine) and 1,4-dihalobutene-2 |
| 04/05/1977 | US4016114 Heat-stable cellular materials |
| 03/29/1977 | US4014893 3,4-Cycloalkano furoxans |
| 03/29/1977 | US4014834 Aqueous solutions of polyamide acids which can be precursors of polyimide polymers |
| 03/29/1977 | US4014832 Heat resistant resin solution and method for preparation thereof |
| 03/29/1977 | US4014676 Water treatment for controlling the growth of algae employing biguanides |
| 03/22/1977 | US4013787 Piperazine based polymer and hair treating composition containing the same |
| 03/22/1977 | US4013600 Aqueous compositions of polyimides containing hetero-polysaccharide |
| 03/22/1977 | US4013596 Adhesive tetrazole polymers and process of making therefor |
| 03/22/1977 | US4013507 Ionene polymers for selectively inhibiting the vitro growth of malignant cells |
| 03/22/1977 | US4013480 Cellulosic sizing agents |
| 03/15/1977 | US4012556 Self-bonding varnish for magnet wires comprising a polyalkylenetrimellitate ester imide |
| 03/15/1977 | US4012555 Self-bonding varnish for magnet wires comprising a combination of a polyalkylenetrimellitate imide and a polyalkylenetrimellitate ester imide |
| 03/15/1977 | US4012446 1,4-dihalo-2-butene |
| 03/15/1977 | US4012361 Heat-stable polyimide resins from a bis-imide, a polyamine and an alazine |
| 03/08/1977 | US4011376 Novel reaction products of allyl halides or vinylbenzyl halides with oxazolines (or oxazines) |
| 03/08/1977 | US4011198 Method for making polyetherimides |
| 03/01/1977 | US4010220 Curable compositions based on imide group-containing compounds |
| 02/22/1977 | US4009040 Depolymerization to form positive images |
| 02/15/1977 | US4008195 Aqueous insulating varnishes |
| 02/15/1977 | US4008186 Novel fire-retardant polymer |
| 02/08/1977 | USRE29134 Polyimide precursor and method and composition for preparing it |
| 02/01/1977 | US4006098 Polyisocyanurate salt emulsifying agents and derivatives |
| 01/25/1977 | US4005193 Microbiocidal polymeric quaternary ammonium compounds |
| 01/25/1977 | US4005154 Curing 1,2-epoxy with prepolymer based on polyamines and oligomers possessing imide groups |
| 01/25/1977 | US4005142 Fluoropolymers, viscoelasticity |
| 01/25/1977 | US4005058 Condensing 1,4,5,8-tetracarboxy naphthalene dianhydride and 3,3',4,4'-tetraaminobiphenyl |
| 01/25/1977 | US4005056 High-temperature resistant ran material for varnishes |
| 01/25/1977 | US4004959 Unsaturated polyester with polyimide-ammonia prepolymers as thermosetting laminate |
| 01/18/1977 | US4004062 Aqueous polyester coating composition |
| 01/18/1977 | US4003947 Reaction product of aromatic diamines and dianhydrides; ladder polymers |
| 01/11/1977 | US4002679 From aromatic bis-o-amino-sulfonamides |
| 01/11/1977 | US4002645 Bis aromatic anhydrides |
| 01/11/1977 | US4002591 Coloration of linear polymers by co-polycondensation with pigments |
| 01/04/1977 | US4001432 Method of inhibiting the growth of bacteria by the application thereto of capped polymers |
| 01/04/1977 | US4001268 Substituted phenyl-benzimidazo compounds |
| 01/04/1977 | US4001186 Preparation of polyimide from organic diisocyanate with alkali metal salt of alcohol as catalyst |
| 01/04/1977 | US4001147 Or oxazine modified polymerspolystyrene, removal of phenolic compounds |
| 12/28/1976 | US4000187 Quinoline and anthrazoline polymers |
| 12/28/1976 | US4000146 Triamino pyridine compounds |
| 12/21/1976 | US3998904 Polyamines with imide groups |
| 12/21/1976 | US3998840 Method for making polyetherimides using a sodium chloride or ferric sulfate catalyst |
| 12/21/1976 | US3998787 Heat-stable polyimide resins from bis-imide and aldehyde-azine |
| 12/21/1976 | US3998786 Process for preparing aromatic polyimides, polyimides prepared thereby |
| 12/14/1976 | US3997513 Solution for forming thermal resisting polymers |
| 12/07/1976 | US3996409 High temperature adhesive-sealant composition |
| 12/07/1976 | US3996318 Dynamic membrane |
| 12/07/1976 | US3996240 Detergent-dispersant lubricant additive |
| 12/07/1976 | US3996203 Solution process for the preparation of polyimides from diamines and anhydrides |
| 12/07/1976 | US3996197 Method of preparing polybenoxazindione polymers from aminophenoxy salicyclic acid compounds |
| 12/07/1976 | US3996196 Polyimide-metallo-phthalocyanines and their preparation |
| 11/30/1976 | US3994863 Process for the manufacture of polyester imides using melamine as the polyamine reactant |
| 11/30/1976 | US3994861 Heat and cold resistance |
| 11/23/1976 | US3993850 Recording material |
| 11/23/1976 | US3993631 Polyphthalocyanines prepared from N,N-bis(3,4-dicyanophenyl) alkanediamides |
| 11/23/1976 | US3993630 Polyimide, polyamide-imide or polyamide-acids with olefin end groups in combination with a reactive Schiff base compound |
| 11/23/1976 | US3993625 Permselective polymeric membranes of organic polyamide or polyhydrazide |
| 11/16/1976 | US3992407 Preparation of aromatic bisimides |
| 11/16/1976 | US3992406 Preparation of aromatic bisimides |
| 11/09/1976 | US3991012 Compositions stabilized with bicyclic hindered amines |
| 11/09/1976 | US3991004 Method for making polyetherimide |
| 11/02/1976 | US3989670 Water removal |
| 11/02/1976 | US3989669 Azo dyes |
| 11/02/1976 | US3989636 Copolymer of glycine or aspartic acid and epihalohydrin |
| 10/26/1976 | US3988374 Polyamide-imides |
| 10/26/1976 | US3988303 Condensation of diamine and dianhydride with a carboxylic acid catalyst |
| 10/19/1976 | US3987003 Thermally stable dioxo and dithio-benzisoquinoline compositions and process of synthesizing same |
| 10/19/1976 | US3986875 Image-receiving element |
| 10/05/1976 | US3984375 Aromatic amide-imide polymers |
| 09/28/1976 | US3983093 Solvent resistance |
| 09/21/1976 | US3981847 Process for the production of polyamidocarboxylic acids |
| 09/07/1976 | US3979416 Preparation of aminophthalic anhydrides |
| 09/07/1976 | US3979350 α,β-UNSATURATED SCHIFF-BASE CHAIN EXTENSION REACTIONS FOR POLYIMIDES AND POLYAMIDE-IMIDES |
| 08/31/1976 | US3978152 Heat-resistant resins derived from a bis-imide, an epoxy resin and a polyamine |
| 08/31/1976 | US3978028 Process for preparing s-triazine prepolymers by condensation of an aromatic polyhydroxy compound with cyanuric chloride and thereafter reacting the condensation product with cyanogen halide in the presence of base |
| 08/24/1976 | US3976665 1,3-Adamantylene-bis-trimellitate dianhydrides |
| 08/24/1976 | US3976603 Fluorinated elastomeric polymers containing the 1,3,5-triazine ring, and process for preparing same |
| 08/17/1976 | US3975363 Poly(diels-alder) polymer |
| 08/17/1976 | US3975347 Preparation in aqueous solution |
| 08/17/1976 | US3975345 Electrocoating |
| 08/17/1976 | US3975330 Imide-modified polyester resin and wire enamel containing the imide-modified polyester resin |
| 08/03/1976 | US3972960 Heat-stable polyimide resin modified by unsaturated polyester |
| 08/03/1976 | US3972939 Process for the preparation of polyethylene-polyamine salts of low viscosity |
| 08/03/1976 | US3972902 4,4'-Isopropylidene-bis(3- and 4-phenyleneoxyphthalic anhydride) |
| 07/20/1976 | US3970714 Heat-stable polyimide resin modified by unsaturated polyester |
| 07/20/1976 | US3970681 Crosslinking, lamination |
| 07/20/1976 | US3970630 2,4-Quinazoline dione-polyamide-ester resins |