Patents
Sitemap › C08 - Organic macromolecular compounds; Their preparation or chemical working-up; Compositions based thereon › C08G - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds › 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)
01/1990
01/03/1990EP0349008A1 Use of polyimides as separation membranes.
01/03/1990EP0348795A2 Composite materials comprising a carrier material and electrically conducting polymeric films
01/02/1990US4891423 Polymeric biguanides
12/1989
12/27/1989EP0348345A2 Solution stable polyimide resin systems
12/27/1989EP0348092A2 Photosensitive polymer having thiol groups
12/27/1989EP0347548A1 Thermotropic polyesterimides with improved heat resistance, process for their prepapation and their use
12/26/1989US4889912 Acetylene terminated aspartimides and resins therefrom
12/26/1989US4889907 Polymeric polyhyroxy polyether containing 1,6-diazaspiro-[4.4]nonane-2,7-dione units
12/26/1989US4889882 Tetramethyl piperidyl terminated triazine oligomeric esters and amides
12/26/1989US4889659 Nitrogenized electronic conductive polymers, their preparation processes, electrochromic display cell and electrochemical generator using these polymers
12/20/1989EP0346770A2 Curable fluorine containing polyimide
12/20/1989CN1038095A Polymaleimide compounds and preparation process thereof
12/19/1989US4888408 Polymeric polyhydroxy polyether containing 1,6-diazaspiro-[4.4]nonane-2,7-dione units
12/19/1989US4888398 Biodegradable polypeptide and the use thereof for the gradual release of drugs
12/19/1989CA1263991A1 Polyetherimides
12/13/1989EP0346017A1 Prepolymer of aromatic polythiazole
12/13/1989EP0345810A1 Intra-ocular lens
12/13/1989EP0345693A1 Soluble conducting polymers of poly-o-methoxyaniline
12/13/1989EP0345579A2 Method for the preparation of oligomers of 2,2,4-trimethyl-1,2-dihydroquinoline
12/13/1989EP0345298A1 Cyanato group containing phenolic resins, phenolic triazines derived therefrom.
12/13/1989CN1006074B Thermostable photosensitive and corrosion-resistant film
12/12/1989US4886896 1-[(Diorganooxyphosphonyl)methyl]-2,4- and -2,6-dinitro-benzenes
12/12/1989US4886874 Block polymer containing phenylenediamine and oxydianiline units
12/12/1989US4886873 Aromatic hetero ring-containing polyimide and its composite
12/12/1989US4886868 Molding materials
12/12/1989US4886734 Dissolving areas made soluble by exposure to electron beam to form pattern
12/06/1989EP0345064A1 Liquid crystal display device
12/05/1989US4885392 Derivatives of 1,3-bissubstituted 2-propanol containing amino groups, methods for their preparation and their use
12/05/1989US4885346 Heat curable; molding materials
12/05/1989US4885329 Polyimide resin compositions
12/05/1989US4885323 Poly-2,2,6,6-tetramethyl piperidyl amino spiro glycol ether-1,3,5-triazines
12/05/1989CA1263784A1 Processable conductive polymers
11/1989
11/29/1989EP0343999A1 Polyimide foams and their production
11/28/1989US4883870 Piperidine-triazine compounds for use as stabilizers for organic materials
11/28/1989US4883858 Thermosetting resin from amine terminated amic acid and bis-maleimide
11/28/1989US4883845 Phenolic monomers containing double bonds
11/28/1989US4883831 Stabilizers contain tetraalkyl piperidine units
11/28/1989US4883751 Complexing with a polycarbodiimide and antibodies
11/28/1989CA1263495A1 Bis-maleimide resin composition
11/23/1989EP0342989A2 Polymaleimide compounds and process for the preparation thereof
11/23/1989EP0342943A1 Thermosetting resin composition
11/23/1989EP0342842A1 Process for producing imide-based prepolymers and varnish using such prepolymers
11/23/1989EP0342652A2 Thermoplastic wholly aromatic copolyimide ester and process for producing the same
11/21/1989US4882410 Molding compounds comprising a thermoplastically processible aromatic polyester imide
11/16/1989WO1989010946A1 Hexafluoroisopropylidene-containing polyimide oligomers and polymers
11/15/1989EP0341397A2 Molding masses made of thermoplastic aromatic polyesterimide
11/15/1989EP0341373A2 Poly-P-phenylamino carboxylate
11/14/1989US4880907 Corrosion resistance
11/14/1989US4880895 Polyimide film-forming polyamide acid solution
11/14/1989US4880699 Pinhole-fdree; self-supporting; separation of gases; drug-releasing membranes
11/14/1989US4880442 Polyimide gas separation membranes
11/14/1989CA1262993A1 Method of preparing high molecular weight polyimide, product and use
11/08/1989EP0341028A2 Process for the preparation of photosensitive polymers
11/08/1989EP0340705A2 Polyphenols and duromers produced therefrom
11/08/1989EP0340392A2 Beta-diketo-compound-polymer reaction product and use thereof
11/08/1989CN1036966A Highly soluble aromatic polyimides
11/08/1989CN1036965A Highly soluble aromatic polyimides
11/08/1989CN1036964A Polyimide gas separation membranes
11/07/1989US4879357 Novel poly(alkylene carbonate) polyahls having more than one pendant acid group
11/07/1989EP0237562A4 Encapsulating compositions.
11/02/1989WO1989010379A1 Polyimide resin
11/02/1989WO1989010049A2 Polyetherketoneimides
11/02/1989EP0340028A2 Polyimide foams and their preparation
11/02/1989EP0339489A2 Slurry mixing of bismaleimide resins
11/01/1989CN1036760A Tetramethylpiperidino-s-triazines
10/1989
10/31/1989US4877849 Reacting an unsubstituted polybenzimidazole and a pyrocarbonate; heating to form an n-substituted polymer; chemical resistance; fibers; membranes
10/31/1989CA1262598A1 Polyimides and process for their production
10/25/1989EP0338736A2 Shaped aromatic imide polymer article and method of producing same
10/25/1989EP0338674A1 Polyimide coating compositions based on meta-dialkydihydrogen pyromellitate and aromatic diamines
10/25/1989EP0338585A2 Polyperfluoroaminoethers
10/25/1989CN1036585A Imide prepolymer
10/24/1989US4876330 Colorless transparent polyimide shaped article and process for producing the same
10/24/1989US4876329 Polyimide polymers and copolymers using 3,5-diaminobenzotrifluoride
10/24/1989US4876325 Polyimide resin from bis-imide, polyphenol and dicyandiamide
10/24/1989US4876165 Coating substrate with soluble heat resistant dye in curable resin vehicle
10/24/1989US4875986 Photopoymerization of 1,4-diazidobenzene
10/24/1989CA1262498A1 Method of making diglyme soluble siloxane-imide copolymers
10/18/1989EP0337926A2 Storage stable aqueous emulsions
10/18/1989EP0337386A1 Process for continuous mixing of a two-liquid curing type resin
10/18/1989EP0337355A2 Composition for liquid crystal aligning agent
10/18/1989EP0337343A1 Process and apparatus for manufacturing polymers
10/18/1989EP0337133A1 Liquid-crystalline, thermotropic polymers of di-s-triazines
10/18/1989EP0337002A1 Highly soluble aromatic polyimides
10/18/1989EP0337001A1 Polyimide gas separation membranes
10/18/1989EP0336998A1 Highly soluble aromatic polyimides
10/18/1989EP0336995A1 Polyimide molding resins and molded articles
10/17/1989US4874836 Thermoplastic wholly aromatic polyimide esters and process for producing the same
10/17/1989US4874835 Polyetherimides and precursors therefor from oxydiphtalic anhydride diester and a mixture of diamines
10/17/1989US4874834 Colorless transparent polyimide shaped article and process for producing the same
10/17/1989US4874481 Prepared by electrochemical polymerization; electronics
10/11/1989EP0336856A1 With maleimide groups functionalized aromatic polyamideimides, process for their preparation and their use for preparing cross-linked polymers
10/11/1989EP0336536A2 Organic-solvent soluble polyimide and production thereof
10/11/1989EP0336475A1 1,6-diazaspiro (4,4)nonane-2,7-dione derivatives
10/11/1989EP0336374A2 Processing polyimide precursor compositions
10/10/1989US4873295 Novel polyether sulfone imide copolymers
10/10/1989US4873293 Partially hydrolyzed, poly(N-acyl alkylenimines) in personal care
10/10/1989US4873284 Heat-curable molding compositions
10/10/1989CA1262297A1 Reactions of bis-oxazoline with polycarboxylic acid catalyzed by alkali or alkaline earth metal cationic complex
10/05/1989DE3814647A1 Perylene dyes of high dielectric constant - use of the dyes as a dielectric
10/05/1989DE3808781A1 Heterocyclically substituted diamines and bismaleimides, and polyimides prepared therefrom
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