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)
09/1980
09/02/1980US4220563 Heat-curable and solvent-soluble ester group-containing polymer compositions and process for their preparation
09/02/1980CA1085090A1 Cosmetic agents of quaternized polyamine polymers
08/1980
08/26/1980US4219481 Crosslinked polymers of outstanding oxidation and heat resistance
08/26/1980CA1084647A1 Nitrogen-containing aromatic polymers and process for their preparation
08/26/1980CA1084514A1 Crosslinkable tetra-imidyl derivatives
08/26/1980CA1084512A1 Crosslinkable bis-imidyl derivatives
08/20/1980EP0014365A1 Process for the preparation of linear heterocyclic nylon-1 polymers, their use as masked diisocyanates for the preparation of polyurethane plastics and a process for the preparation of mainly pure cycloaliphatic diisocyanate-stereo isomers
08/19/1980US4218555 Process for preparation of acetylene end-capped polyimide oligomers
08/19/1980US4217914 Quaternized polymer for use as a cosmetic agent in cosmetic compositions for the hair and skin
08/19/1980CA1084067A1 Process for the preparation of polyamines
08/12/1980US4217429 Poly-[(methylimino)trimethylene]
08/12/1980US4217389 Curable mixture of water soluble polyester and polyimide precursor, process of coating and products
08/12/1980CA1083567A1 Adenine derivatives
08/06/1980EP0014054A1 Process for the production of a reverse osmosis membrane, reverse osmosis membrane thus produced, and use of such membrane in a desalination process
08/05/1980US4216307 Polyhexamethylenimine and process for its preparation
08/05/1980CA1083285A1 Process for the production of polytriazines in the presence of high-boiling esters
07/1980
07/29/1980USRE30351 Aromatic polyimide, polyester and polyamide separation membranes
07/29/1980US4215157 Process for preparing polyetherimide coatings
07/29/1980CA1082844A1 Quaternized polymers, process for their preparation and their applications
07/29/1980CA1082843A1 S-triazine prepolymers and a process for their production
07/29/1980CA1082839A1 Crosslinkable polymers
07/24/1980WO1980001464A1 Reverse osmosis membrane
07/23/1980EP0013665A1 Polymeric polyamino 1,3,5-triazines containing at least one polyalkylpiperidine group, their preparation, their use in stabilizing an organic material and the material stabilized therewith
07/22/1980US4214071 Amide-imide polymers
07/22/1980US4213890 Preparation of terephthaloyl-terephthal/oxal copolyhydrazide containing zinc compound
07/22/1980CA1082400A2 Soluble polyamide-imides derived from phenylindane diamines
07/22/1980CA1082228A1 3- n'-(3-halopropyl)-n'-methylamino -n,n,n-trimethyl- 1-propanaminium halide and novel polymers
07/22/1980CA1082222A1 N-cyanosulfonamide resins and intermediates therefor and products thereof
07/15/1980CA1081878A1 Cationic polymer prepared from dicyandiamide
07/15/1980CA1081652A1 Electropolymerization of difunctional monomers to form polyimides
07/08/1980US4211861 N,n*-bisimide
07/08/1980US4211860 N,n*-bismaleimide
07/08/1980US4211705 Imidyl-benzenedicarboxylic acid derivatives
06/1980
06/25/1980EP0012381A1 Process for the preparation of compounds containing hydantoin groups
06/25/1980EP0012380A1 Process for the preparation of polyhydantoins containing amide-imide groups, their use in the preparation of thermo-resistant coating materials and lacquer compositions prepared therefrom
06/25/1980EP0012379A1 Laquer mixture and coating material containing polyamide hydantoins
06/25/1980EP0012269A1 Water hardenable compositions and their use as coating, sealing and adhesive materials
06/24/1980US4209458 Fluorinated phthalonitriles
06/24/1980US4209438 Electrical insulating coating composition
06/24/1980US4209397 Flocculants for aqueous systems
06/17/1980US4208509 Dry spinning to make fibers and films
06/17/1980US4208505 Heterocyclic aromatic polymers of the polyimidazopyrrolone class, their prepolymers and their preparation
06/17/1980US4208477 Heat resistant photoresist composition and process for preparing the same
06/17/1980US4208464 Polyesterimides
06/17/1980US4208343 Starting materials for cyano-imide polymers
06/17/1980US4208341 Copper (II) reagent and preparation thereof
06/17/1980CA1079585A1 Microcapsule with a liquid or solid core and a polycarbodiimide shell
06/03/1980US4206295 Process of preparing poly[{alkyl-(3-ammoniopropyl)iminio}trimethylene dihalides]
06/03/1980US4206261 Water-soluble polyester imide resin wire coating process
06/03/1980US4206107 From aromatic triamine, tetracarboxylic acids, and propargyl ester of aminoaromatic acid
06/03/1980US4206106 Vinyl end-capped polyimide oligomers
06/03/1980US4206098 High solids polyester-amide-imide wire enamels
06/03/1980CA1078995A1 Imide group carrying polymers comprising an aliphatically unsaturated polyester
05/1980
05/27/1980US4205064 Bile acid sequestering composition containing poly[{alkyl-(3-ammoniopropyl)imino}-trimethylenedihalides]
05/27/1980CA1078544A1 Storage stable polyimide-forming solutions for adhesives
05/20/1980US4203922 Fluorinated aromatic diamine
05/13/1980US4202962 Fibers of arylene oxadiazole/arylene N-alkylhydrazide copolymer
05/13/1980CA1077649A1 Process for the production of polycondensates containing imide groups
05/13/1980CA1077647A1 Stabilization of high temperature plastics
05/06/1980CA1077193A1 Process for the production of polycondensates containing imide groups
04/1980
04/29/1980USRE30264 Gel-free water dispersions for electrodeposition on cathodes
04/29/1980US4200724 Polymer containing imidyl groups and silyl groups
04/29/1980CA1076749A1 Copolyimide foams, precursors therefor, and processes for converting the precursors to the foam
04/22/1980US4199448 Reverse osmosis membrane of high urea rejection properties
04/22/1980US4199117 Winding device for metal strips
04/22/1980CA1076294A1 Soluble polyamide-imides derived from phenylindane diamines
04/22/1980CA1076289A1 Method of preparing phenolamine resins
04/17/1980WO1980000706A1 Light-sensitive polymer composition
04/15/1980US4197865 Treating hair with quaternized polymers
04/15/1980CA1075847A1 Ionene polymers and method for their preparation
04/08/1980US4197397 Chain-extending anhydride end-capped polyimides
04/08/1980US4197396 Polyimides, molecular weight control
04/02/1980EP0009089A1 Dianhydrides of carboxylic acids derived from trimellitic acid, process for their preparation and their use as hardening agents
04/01/1980US4196277 Perfluoroisopropylidene dianhydride and polyimides prepared therefrom
04/01/1980US4196144 Aromatic diamines and their use as polycondensation components for the manufacture of polyamide, polyamide-imide and polyimide polymers
03/1980
03/25/1980US4195166 Alkanediamide-linked polyphthalocyanines coordinated with SnCl2
03/25/1980US4195159 Polyester-amide-imide wire coating powder
03/25/1980US4195138 Controlling water hardness by removing multivalent ions
03/25/1980US4195132 Cross-linked plastics based on cyanic acid esters and method of production thereof
03/25/1980CA1074497A1 Quaternized polymers and process for their preparation
03/25/1980CA1074495A1 Process for the manufacture of crosslinked polymers which contain imide groups
03/25/1980CA1074492A1 Crosslinkable polymers
03/25/1980CA1074477A1 Dispersions of water soluble polymers in oil
03/19/1980EP0008644A1 Storage-stable, thermosetting mixtures based on polyimides and poly-beta-iminocrotonic acid nitriles, and their use
03/11/1980CA1073464A1 Polymeric quaternary ammonium compounds
03/05/1980EP0008420A1 Chemically stabilised azulmic acids, process for their preparation and their use
03/04/1980US4191820 Polyepihalohydrin, ethylenediamine
03/04/1980CA1073146A1 Aromatic imine polymers and process for preparation thereof
02/1980
02/26/1980US4190716 Polymeric agent for releasing 5-aminosalicylic acid or its salts into the gastrointestinal tract
02/26/1980US4190644 Cationic polyalkanolamines
02/26/1980US4190588 From an alkenyl succinic anhydride
02/19/1980USRE30217 Copolymer of polyimide oligomers and terephthalonitrile N,N-dioxide and their methods of preparation
02/19/1980US4189560 Crosslinkable polymers of unsaturated imides
02/19/1980US4189518 Cured polymeric coating material, coated substrate, and process of forming
02/19/1980CA1072242A1 Crosslinkable mixtures of oligomers or polymers and diamines
02/19/1980CA1072101A1 Hydantoins modified with carboxylic acid ester groups
02/12/1980USRE30213 Stable, flexible, smokeless foams
02/12/1980US4188293 Method of effecting flocculation
02/12/1980CA1071797A1 Polyetherimide-polyester blends
02/12/1980CA1071788A1 Aqueous dispersions of perfluoroolefin polymers containing film-forming materials