Pyrrones

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CPC
C08G73/20

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CCHEMISTRY METALLURGY C08Organic compounds C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS C08G73/00Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00

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C08G73/20Pyrrones

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Patents Grantslast 30 patents

Information Patent Grant
Coaxial semiconductive organic nanofibers and electrospinning fabri...
- Patent number 10,629,814
- Issue date Apr 21, 2020
- University of South Florida
- William Serrano-Garcia
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Thixotropic composition
- Patent number 9,525,135
- Issue date Dec 20, 2016
- Xerox Corporation
- Yiliang Wu
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
PI polyamide
- Patent number 9,522,978
- Issue date Dec 20, 2016
- Nihon University
- Daisuke Obinata
- C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information Patent Grant
Fluoro-containing compounds based on 4,4'-bis[2-(4-hydroxyphenyl) h...
- Patent number 5,081,315
- Issue date Jan 14, 1992
- Hoechst Aktiengesellschaft
- Jurgen Lau
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
4,4'-bis[2-(4-hydroxy-amino-phenyl)hexafluoroisopropyl]-diphenyleth...
- Patent number 4,978,790
- Issue date Dec 18, 1990
- Hoechst Aktiengesellschaft
- Jurgen Lau
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the manufacture of polyimidazole and polyimidazo-pyrrolo...
- Patent number 4,801,681
- Issue date Jan 31, 1989
- Siemens Aktiengesellschaft
- Hellmut Ahne
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Reactive end-capping agent, addition-curable quinoxaline resin olig...
- Patent number 4,739,075
- Issue date Apr 19, 1988
- Director General of Agency of Industrial Science and Technology
- Nobuyuki Odagiri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Addition-curable quinoxaline resin oligomer and intermediate materi...
- Patent number 4,670,536
- Issue date Jun 2, 1987
- Director General of Agency of Industrial Science and Technology
- Nobuyuki Odagiri
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for the manufacture of polyimidazole and polyimidazopyrrolon...
- Patent number 4,656,244
- Issue date Apr 7, 1987
- Siemens Aktiengesellschaft
- Hellmut Ahne
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method and manufacturing polyimidazole and polyimidazopyrrolone rel...
- Patent number 4,610,947
- Issue date Sep 9, 1986
- Siemens Aktiengesellschaft
- Hellmut Ahne
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Metal (II) 4,4',4",4'"-phthalocyanine tetraamines as curing agents...
- Patent number 4,537,834
- Issue date Aug 27, 1985
- The United States of America as represented by the administrator of the Natio...
- Bappalige N. Achar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Phthalocyanine polymers
- Patent number 4,499,260
- Issue date Feb 12, 1985
- The United States of America as represented by the administrator of the Natio...
- Bappalige N. Achar
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyimidazole and polyimidazopyrrolone precursor stages and the pre...
- Patent number 4,397,999
- Issue date Aug 9, 1983
- Siemens Aktiengesellschaft
- Hellmut Ahne
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Resin derived from acenaphthene, process for its production and int...
- Patent number 4,334,055
- Issue date Jun 8, 1982
- Coal Industry (Patents) Limited
- Joseph G. Robinson
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Perfluoroisopropylidene dianhydride and polyimides prepared therefrom
- Patent number 4,196,277
- Issue date Apr 1, 1980
- TRW Inc.
- Robert J. Jones
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Catalytic trimerization of aromatic nitriles and triaryl-s-triazine...
- Patent number 4,159,262
- Issue date Jun 26, 1979
- The United States of America as represented by the Administrator, National Ae...
- Li-Chen Hsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Trimerization of aromatic nitriles
- Patent number 4,061,856
- Issue date Dec 6, 1977
- The United States of America as represented by the administrator of the Natio...
- Li-Chen Hsu
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triamino pyridine compounds
- Patent number 4,022,793
- Issue date May 10, 1977
- Horizons Research Incorporated
- Arthur H. Gerber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Thermally stable benzimidazonaphthyridine compositions
- Patent number 4,021,409
- Issue date May 3, 1977
- The United States of America as represented by the Secretary of the Air Force
- Fred E. Arnold
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the formation and recovery of poly(bisbenzimidazoenzoph...
- Patent number 4,005,058
- Issue date Jan 25, 1977
- Celanese Corporation
- Edward C. Chenevey
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Bis aromatic anhydrides
- Patent number 4,002,645
- Issue date Jan 11, 1977
- Raychem Corporation
- Joseph Sonnenberg
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Triamino pyridine compounds
- Patent number 4,000,146
- Issue date Dec 28, 1976
- Horizons Incorporated, a division of Horizons Research Incorporated
- Arthur H. Gerber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Production of particulate BBB type polymer having an unusually high...
- Patent number 3,969,325
- Issue date Jul 13, 1976
- Celanese Corporation
- Anthony B. Conciatori
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Substituted tetraamino heterocyclic compounds, useful in the prepar...
- Patent number 3,943,125
- Issue date Mar 9, 1976
- Horizons Incorporated, a division of Horizons Research Incorporated
- Arthur H. Gerber
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3929832
- Patent number 3,929,832
- Issue date Dec 30, 1975
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
3926914
- Patent number 3,926,914
- Issue date Dec 16, 1975
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
3925311
- Patent number 3,925,311
- Issue date Dec 9, 1975
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
3923953
- Patent number 3,923,953
- Issue date Dec 2, 1975
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
3896083
- Patent number 3,896,083
- Issue date Jul 22, 1975
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
3887555
- Patent number 3,887,555
- Issue date Jun 3, 1975
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
NOVEL PI POLYAMIDE
- Publication number 20160032057
- Publication date Feb 4, 2016
- NIHON UNIVERSITY
- Daisuke OBINATA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
THIXOTROPIC COMPOSITION
- Publication number 20140209840
- Publication date Jul 31, 2014
- Xerox Corporation
- Yiliang Wu
- H01 - BASIC ELECTRIC ELEMENTS

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Coaxial semiconductive organic nanofibers and electrospinning fabri...

Thixotropic composition

PI polyamide

Fluoro-containing compounds based on 4,4'-bis[2-(4-hydroxyphenyl) h...

4,4'-bis[2-(4-hydroxy-amino-phenyl)hexafluoroisopropyl]-diphenyleth...

Method for the manufacture of polyimidazole and polyimidazo-pyrrolo...

Reactive end-capping agent, addition-curable quinoxaline resin olig...

Addition-curable quinoxaline resin oligomer and intermediate materi...

Method for the manufacture of polyimidazole and polyimidazopyrrolon...

Method and manufacturing polyimidazole and polyimidazopyrrolone rel...

Metal (II) 4,4',4",4'"-phthalocyanine tetraamines as curing agents...

Phthalocyanine polymers

Polyimidazole and polyimidazopyrrolone precursor stages and the pre...

Resin derived from acenaphthene, process for its production and int...

Perfluoroisopropylidene dianhydride and polyimides prepared therefrom

Catalytic trimerization of aromatic nitriles and triaryl-s-triazine...

Trimerization of aromatic nitriles

Triamino pyridine compounds

Thermally stable benzimidazonaphthyridine compositions

Process for the formation and recovery of poly(bisbenzimidazoenzoph...

Bis aromatic anhydrides

Triamino pyridine compounds

Production of particulate BBB type polymer having an unusually high...

Substituted tetraamino heterocyclic compounds, useful in the prepar...

3929832

3926914

3925311

3923953

3896083

3887555

Patents Applicationslast 30 patents

NOVEL PI POLYAMIDE

THIXOTROPIC COMPOSITION