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) |
---|
07/13/1976 | US3969566 Articles of manufacturing prepared from polymers of hydrazine or dihydrazides and tricarboxylic acid anhydrides |
07/13/1976 | US3969325 Production of particulate BBB type polymer having an unusually high surface area |
07/13/1976 | US3969290 N,N'-substituted 2,4,5-triketoimidazolidines |
07/13/1976 | US3969283 Recording material |
07/06/1976 | US3968083 Novel polyetherimides |
06/29/1976 | US3966904 Quaternary ammonium co-polymers for controlling the proliferation of bacteria |
06/29/1976 | US3966729 Addition curable phenyl-quinoxaline compositions and their synthesis |
06/29/1976 | US3966684 Retention aids for paper fillers |
06/29/1976 | US3966683 Process for the preparation of compounds which contain hydantoin groups |
06/29/1976 | US3966678 Maleic anhydride-polyaldimine prepolymers |
06/29/1976 | US3966656 Aqueous organic base solution of polyhydrazides |
06/29/1976 | US3966652 Method of making foamed copolyimides and product obtained therefrom |
06/22/1976 | US3965184 Perfluorinated nitroxide, crosslinking |
06/22/1976 | US3965125 Synthesis of certain bis(phthalic anhydrides) |
06/22/1976 | US3965096 Naphthalazines |
06/15/1976 | US3963806 Reaction product of polyalkylene imine and epoxy, halo, ethylenic substituted difunctional compounds |
06/15/1976 | US3963703 Polymer monomers, crosslinkers or modifiers |
06/08/1976 | US3962278 N,n'bis(phthalic anhydride) diimides |
06/08/1976 | US3962241 Photomechanical resists |
06/08/1976 | US3962184 Process for preparing cured resin from cyanic acid esters using imidazole catalysts |
06/08/1976 | US3962182 Imide oxirane reactions |
06/01/1976 | US3961042 Quaternary ammonium co-polymers for controlling the proliferation of bacteria |
06/01/1976 | US3960937 Ashless additives for lubricating compositions |
06/01/1976 | US3960814 Poly (perfluoroalkylene oxide) oxadiazoles and their synthesis |
06/01/1976 | US3960812 Compositions of new imides of unsaturated dicarboxylic acids and azomethines |
06/01/1976 | US3960783 And from phenols, cyanuric acids, thiols, or amines; molding, lamination, adhesives |
05/25/1976 | US3959350 Melt-fusible linear polyimide of 2,2-bis(3,4-dicarboxyphenyl)-hexafluoropropane dianhydride |
05/25/1976 | US3959233 Process for preparing polyamide-imide from trimellitic acid, diamine and diisocyanate and polyamide imide shaped articles |
05/18/1976 | US3957735 Fiber-forming polyhydrazides |
05/18/1976 | US3957726 S-triazine-imide copolymers |
05/18/1976 | US3957512 Polyamides, polyureas, polyurethanes |
05/11/1976 | USRE28808 Polyquaternary flocculants |
05/11/1976 | USRE28807 Polyquaternary flocculants |
05/11/1976 | US3956320 Aromatic bis(ether phthalis anhydride) compounds |
05/11/1976 | US3956238 Molding materials |
05/11/1976 | US3956136 Hydrophilic semipermeable membrane |
05/04/1976 | US3954711 Thermosetting polymers from a polyimide and ammonia |
05/04/1976 | US3954710 Polymers prepared from imide containing dianhydrides |
05/04/1976 | US3954680 Tertiary amine |
05/04/1976 | US3954607 Permselective membranes of diacyl hydrazide-containing aromatic polymers having selected metals complexed therewith |
04/27/1976 | US3953498 Diesters and diacids of phenanthrene |
04/27/1976 | US3953401 By spraying solution onto the surface of a precipitation medium |
04/27/1976 | US3953330 Flocculation, quaternary ammonium polymer |
04/20/1976 | US3952084 Polyimide and polyamide-imide precursors prepared from esters, dianhydrides, and diisocyanates |
04/20/1976 | US3952060 Surface-active |
04/20/1976 | US3951922 Process for preparing polyimides from derivatives of phthalic anhydride |
04/20/1976 | US3951920 Permselective polymeric membrane prepared from polybenzimidazoles |
04/20/1976 | US3951902 Polyimide sealant composition |
04/20/1976 | US3951891 Preparations of reaction products of epoxides, fatty amines and fatty acids, process for their manufacture and their use |
04/20/1976 | US3951815 Composite semipermeable membranes made from polyethylenimine |
04/13/1976 | US3950308 Polyamides, polyimides, polyamide-imides |
04/13/1976 | US3950279 Mixtures, containing polyimides, which can be converted to heat-resistant foamed plastics |
04/13/1976 | US3950169 Electrophotographic element with polymeric conductive layer |
04/06/1976 | US3949014 Binder |
04/06/1976 | US3948861 Polyamide-imides from bis-imide and dialdoxime |
04/06/1976 | US3948835 Silicon-modified prepolymers |
04/06/1976 | US3948800 Dispersant compositions |
03/30/1976 | US3947428 Bis- or tris-n,n-ethyleneurea promoter |
03/30/1976 | US3947402 Process for the manufacture of polyimide products |
03/30/1976 | US3947385 Mixtures containing prepolymers, which can be converted to heat-resistant foamed plastics |
03/23/1976 | US3946011 Polyimides |
03/16/1976 | US3944614 2,2'-Bis(phenylethynyl-5,5'-diaminobenzidine |
03/16/1976 | US3944583 Bis-phenoxyphthalic acid anhydrides |
03/16/1976 | US3944553 Ladder polymers |
03/16/1976 | US3944526 N-cyanosulfonamide resins and intermediates therefor and products thereof |
03/16/1976 | US3944525 Crosslinked resins prepared from an N,N'-bis-imide and a schiff base |
03/16/1976 | US3944522 Aromatic polyhydrazide fiber of high modulus and high tenacity |
03/16/1976 | US3944517 Novel polyetherimides prepared from tolane dianhydride or dichloroethylene diphenylene dianhydride |
03/09/1976 | US3943135 Anthelmintic |
03/09/1976 | US3943125 Substituted tetraamino heterocyclic compounds, useful in the preparation of substituted polybenzimidazoles and poly-imidazopyrrolones |
03/09/1976 | US3943107 Processable high temperature polymers prepared from amine terminated polymers and cyanamides of polyfunctional secondary amines |
03/09/1976 | US3943065 Non-colloidal polyamic acid electrodeposition compositions |
03/02/1976 | US3941808 Polyamide amine salts of a styrene-maleic anhydride copolymer |
03/02/1976 | US3941749 Linear oxadiazole-imide copolymers |
03/02/1976 | US3941726 Polyguanidine foams |
02/24/1976 | US3940322 Electropolymerization of difunctional monomers to form polyimides |
02/17/1976 | US3939109 Polyamic-acids prepared from 3,3,4,4-benzhydrol tetracarboxylic dianhydride |
02/10/1976 | US3937673 Dielectrics |
01/27/1976 | US3935269 Copolymers of N-substituted aziridines and epoxides episulfides |
01/27/1976 | US3935155 Stable dispersion of polymer in a non-solvent liquid |
01/20/1976 | US3933812 Antimicrobial quaternary ammonium copolymers |
01/20/1976 | US3933758 Iminoimidazolidinedione and parabanic acid polymers containing imide groups |
01/20/1976 | US3933749 Polythioetherimides and method of preparation |
01/20/1976 | US3933745 Imide copolymers possessing hydroxyl groups |
01/13/1976 | US3932564 Electroconductive resins and process of preparation |
01/13/1976 | US3932363 Polyamines containing acid groups |
01/06/1976 | US3931418 Process for the production of insulating coatings on electrical conductors |
01/06/1976 | US3931319 Capped polymers |
01/06/1976 | US3931224 Aromatic imidodicarboxylic acid diallyl esters, prepolymers thereof, cured resins thereof, and processes for producing these |
01/06/1976 | US3931106 Generation and use of dinitrile oxides |
01/06/1976 | US3930877 Epichlorohydrin-dimethylamine-ammonia |