| 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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| 06/20/1978 | US4096130 N,N'substituted 2,4,5-triketoimidazolidines, corresponding resinous polymers and a process for their preparation |
| 06/13/1978 | US4094907 Process for the preparation of polyamines |
| 06/13/1978 | US4094866 Lithium and potassium pyrrolidone catalysts |
| 06/13/1978 | US4094864 Preparation of polyamideimide from diisocyanate with alkali metal lactamate catalyst |
| 06/13/1978 | US4094862 3,3',4,4'-benzophenone tetracarboxylic dianhydride, 3,3'-diaminobenzophenone |
| 06/13/1978 | US4094861 Process for the production of non-inflammable polytriazines |
| 06/13/1978 | US4094860 Condensation products of aromatic polyhydroxy compounds and polyamino aliphatic compounds |
| 06/13/1978 | US4094852 Process for the production of polytriazines in the presence of high-boiling esters |
| 06/06/1978 | US4093657 Process for preparing monomer of bile acid sequestrant polymer |
| 06/06/1978 | US4093605 Auxiliary agent for improving retention, drainage and treatment |
| 06/06/1978 | US4093604 Copolymers of polyparabanic acids and polyamides |
| 06/06/1978 | US4093555 Production of dental models and tooth replacement parts |
| 05/30/1978 | US4092300 Polyamide acid salts |
| 05/30/1978 | US4092297 From bis(phthalic anhydride) sulfide and an organic diamine or from a bis-phthalimide and an alkali metal sulfide |
| 05/30/1978 | US4092274 From an ortho-substituted aromatic dicarboxylic acid anhydride and tetracarboxylic acid dianhydride with a carbocyclic tetraamine |
| 05/30/1978 | US4092162 Nitrogen containing polymers aelements |
| 05/23/1978 | US4091203 Adenine derivatives |
| 05/23/1978 | US4091113 Quaternary ammonium polymers; hair conditioners |
| 05/23/1978 | US4090992 Water-in-oil emulsion |
| 05/16/1978 | US4089977 Polymeric anti-microbial agent |
| 05/16/1978 | US4089860 Preparation of hydantoins by reacting esters of ethylene-1,2-dicarboxylic acids and ureas and thioureas |
| 05/16/1978 | US4089859 Bisquinoxalines |
| 05/16/1978 | US4089846 Polysalts of acid-ester compounds with hydrazine or hydrazides and method of preparing heterocyclic polymers from said polysalts |
| 05/16/1978 | US4089845 Thermosetting mixtures which are stable on storage from polyimide and .beta. |
| 05/16/1978 | US4089836 Copolymerization |
| 05/09/1978 | US4088639 4-(6-nicotinamide adenine dinucleotide)-3-hydroxybutyril polyethylenimine, polylysine or sepharose 4b |
| 05/09/1978 | US4088637 Process for the production of polycondensates containing imide groups |
| 05/09/1978 | US4088613 Reacting epihalohydrin with mixture of di-alkylamine and ammonia |
| 05/02/1978 | US4087413 Crosslinked, linear, acylated polyalkylenepolyamines and process therefor |
| 05/02/1978 | US4087409 Used to spin fibers |
| 05/02/1978 | US4087394 Chemical and heat resistance, dielectrics |
| 04/25/1978 | US4086232 Bis-ethynyl heterocyclic compositions and method of synthesis |
| 04/25/1978 | US4086209 Novel nitrogen-containing aromatic polymers and process for their preparation |
| 04/25/1978 | US4086204 Light stabilizers |
| 04/18/1978 | US4085090 Aromatic polymers containing a nitrogen-containing ring group, and process for preparation thereof |
| 04/18/1978 | US4085019 Unsaturated amides |
| 04/04/1978 | US4082556 Light-sensitive polymeric compounds |
| 03/28/1978 | US4081427 Polyester-polyimide |
| 03/21/1978 | USRE29586 Low temperature curing process and coating compositions suitable therefor |
| 03/21/1978 | US4080484 Photocurable imidizable polyene-polythiol compositions, method of coating therewith and coated articles |
| 03/21/1978 | US4080483 N-cyanosulfonamide resins and intermediates therefor and products thereof |
| 03/21/1978 | US4080320 Reacting maleic anhydride with non-conjugated terpenes in the presence of iodine |
| 03/21/1978 | US4080319 Vulcanizable, perfluoropolyethers |
| 03/14/1978 | US4079041 Containing photosensitive maleimido groups, photocurable |
| 03/14/1978 | US4079039 Polyheterocyclic polymers derived from substituted tetraamino pyridines |
| 03/14/1978 | CA1028099A1 Multicellular polymers |
| 03/07/1978 | US4078142 Amino substituted-4-t-butylphthalic acid esters |
| 02/28/1978 | US4076697 Process for the manufacture of polyaddition products containing imide groups |
| 02/28/1978 | US4076694 Process for the production of polycondensates containing imide groups |
| 02/28/1978 | CA1027125A1 Polyamide-imides |
| 02/21/1978 | US4075240 Polysalts of polycarboxylic acid esters and hydrazine or hydrazides |
| 02/21/1978 | US4075185 N-cyanosulfonamide resins and intermediates therefor and products thereof |
| 02/21/1978 | US4075179 Polyesterimides and processes for preparing same |
| 02/21/1978 | US4075171 Curing by coupling |
| 02/21/1978 | US4075136 Functional ionene compositions and their use |
| 02/14/1978 | US4073788 Partially imidized polyamide-acid polymers, aqueous coating compositions, coated wire and method, and partially imidized intermediate |
| 02/14/1978 | US4073773 Melt polymerization method for making polyetherimides |
| 02/14/1978 | CA1026495A1 Thermostable resins prepared from bis-maleimides and ammonia |
| 02/07/1978 | US4072624 Gelatin composition |
| 01/31/1978 | US4071590 Composite asymmetrical membranes |
| 01/31/1978 | US4071503 Polycarbodiimide modification of polyesters for extrusion applications |
| 01/31/1978 | US4071478 Bile acid sequestrants |
| 01/24/1978 | US4070524 Self-bonding varnish for magnetic wire comprising polyalkylenetrimellitate imide polyalkylenetrimellitate ester |
| 01/24/1978 | US4070354 Alkali metal compound catalyst, heating |
| 01/17/1978 | US4069215 Separation of organic sulfonates, reverse osmosis, ultrafiltration |
| 01/17/1978 | US4069210 Polymeric products |
| 01/17/1978 | US4069209 Dielectric coatings for wires |
| 01/17/1978 | US4069206 Hygroscopic, photosensitivity |
| 01/10/1978 | US4067897 Heat-resistant flameproof compositions |
| 01/10/1978 | US4067860 N,N'-bis(3,4-dicyanophenyl) alkanediamide, polyphthalocyanines, and preparation thereof |
| 01/10/1978 | US4067804 Solute-separating membrane |
| 01/03/1978 | US4066631 Process for preparation of linear polyamide-imides from aromatic tricarboxylic acid anhydrides and diamines |
| 01/03/1978 | US4066622 Polyamide acids and polyesterimides from 1,3-adamantylene-bis-trimellitate dianhydrides |
| 01/03/1978 | US4066621 Curable mixtures based on polyimides of unsaturated dicarboxylic acids and indole compounds |
| 01/03/1978 | US4066609 Crosslinked resins prepared from an n,n'-bis-imide and a schiff base |
| 01/03/1978 | US4066601 Brominated polymers |
| 01/03/1978 | US4066577 Polymerization, prepolymers |
| 01/03/1978 | US4066494 Nitrogenous condensation products used as retention aids in papermaking |
| 12/27/1977 | US4065433 Process for the manufacture of polyaddition products containing imide groups |
| 12/27/1977 | US4065420 Method for making aqueous polyimide electrocoating mixtures |
| 12/27/1977 | US4065345 Polyimide adhesives |
| 12/20/1977 | US4064193 Heat-resistant polymers based on polyamines and oligomers possessing imide groups with unsaturated polyester |
| 12/20/1977 | US4064192 Heat-stable polyimide resins |
| 12/20/1977 | US4064176 Carbonyl substituted |
| 12/20/1977 | US4064113 Aminophthalic anhydride copolymers |
| 12/20/1977 | US4064109 Seals, sealants, thermooxidative and hydrolytic stability |
| 12/20/1977 | US4064078 Process for the manufacture of carboxylated polyethylenimines |
| 12/20/1977 | US4064044 Process for chelating and inhibiting scale in aqueous systems |
| 12/06/1977 | US4061856 Trimerization of aromatic nitriles |
| 12/06/1977 | US4061845 Copolymers of hydrazides and certain unsaturated esters |
| 12/06/1977 | US4061717 Directed crystallization of synthetic aluminosilicates |
| 12/06/1977 | US4061678 Multistage, condensation of formaldehyde with an amine |
| 12/06/1977 | US4061623 Preparation of polyamideimide from organic diisocyanate with alkali metal salt of alcohol as catalyst |
| 12/06/1977 | US4061622 Preparation of polyamide from organic diisocyanate with alkali metal salt of alcohol as catalyst |
| 11/29/1977 | US4060515 Chain-extending nitrile end-capped polyimides |
| 11/29/1977 | US4060451 Polyamide-imide and mica pulp particles and paper-like sheets made therefrom |
| 11/22/1977 | US4059580 Sulphonated polybenz-1,3-oxazin-2,4-diones |
| 11/22/1977 | US4059567 High molecular weight polytriazines of soluble polymeric N-cyano-isourea ethers |
| 11/22/1977 | US4059515 Cationic polymer of epihalohydrin and alkylene polyamine |
| 11/15/1977 | US4058505 Chain-extending amine end-capped polyimides |