Post-polymerisation treatments

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CPC
C08G2/28

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CCHEMISTRY METALLURGY C08Organic compounds C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS C08G2/00Addition polymers of aldehydes or cyclic oligomers thereof or of ketones Addition copolymers thereof with less than 50 molar percent of other substances

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C08G2/28Post-polymerisation treatments

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Patents Grantslast 30 patents

Information Patent Grant
Ammonia and ammonium hydroxide stabilizers for paraformaldehyde
- Patent number 11,897,996
- Issue date Feb 13, 2024
- Celanese International Corporation
- John Leslie Ray
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for removal of volatile compounds from tackifiers
- Patent number 11,498,997
- Issue date Nov 15, 2022
- BASF SE
- Miran Yu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing oxymethylene copolymer
- Patent number 10,975,189
- Issue date Apr 13, 2021
- Mitsubishi Gas Chemical Company, Inc.
- Yuuta Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for production of oxymethylene copolymer
- Patent number 10,138,321
- Issue date Nov 27, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Daigo Nakaya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing oxymethylene copolymer
- Patent number 9,902,797
- Issue date Feb 27, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Daigo Nakaya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing polyacetal copolymer
- Patent number 9,745,400
- Issue date Aug 29, 2017
- Polyplastics Co., Ltd.
- Hiroaki Nakao
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyacetal copolymer
- Patent number 9,695,265
- Issue date Jul 4, 2017
- Polyplastics Co., Ltd.
- Tadahiro Horiguchi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Production method for polyacetal copolymer
- Patent number 9,657,136
- Issue date May 23, 2017
- Polyplastics Co., Ltd.
- Eiji Masuda
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for refining polyoxymethylene dialkyl ethers by catalytic hy...
- Patent number 9,090,842
- Issue date Jul 28, 2015
- DONGFANG HONGSHENG NEW ENERGY APPLICATION TECHNOLOGY RESEARCH INSTITUTE CO.,...
- Zhengpeng Hong
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Polyoxymethylene laser sintering powder, process for its production...
- Patent number 8,795,833
- Issue date Aug 5, 2014
- BASF SE
- Claus Dallner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for producing polyoxymethylene copolymer
- Patent number 7,897,672
- Issue date Mar 1, 2011
- Mitsubishi Gas Chemical Company, Inc.
- Satoshi Nagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Basic deactivators for POM production
- Patent number 7,645,822
- Issue date Jan 12, 2010
- BASF SE
- Jens Assmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation of polyoxymethylenes
- Patent number 6,756,475
- Issue date Jun 29, 2004
- BASF Aktiengesellschaft
- Marian Mours
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of terminating oxymethylene polymerization
- Patent number 6,576,740
- Issue date Jun 10, 2003
- Korea Engineering Plastics Co., Ltd.
- Chong-Won Chin
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for stabilizing oxymethylene copolymer
- Patent number 6,365,655
- Issue date Apr 2, 2002
- Asahi Kasei Kogyo Kabushiki Kaisha
- Noritaka Tanimura
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing polyacetal copolymer
- Patent number 5,844,059
- Issue date Dec 1, 1998
- Polyplastics Co., Ltd.
- Kaoru Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of polyacetal copolymers
- Patent number 5,587,449
- Issue date Dec 24, 1996
- Hoechst Aktiengesellschaft
- Dietrich Fleischer
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for processing crude polyoxymethylene
- Patent number 5,541,284
- Issue date Jul 30, 1996
- Dequssa Aktiengesellschaft
- Detlef Arnoldi
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing polyoxymethylene copolymer having reduced amo...
- Patent number 5,344,911
- Issue date Sep 6, 1994
- Polyplastics Co., Ltd.
- Kaoru Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Preparation and purification of poly(tetramethylene ether) formal g...
- Patent number 5,254,744
- Issue date Oct 19, 1993
- E. I. Du Pont de Nemours and Company
- John F. Neumer
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing cyclic polyoxymethylene
- Patent number 5,248,762
- Issue date Sep 28, 1993
- Polyplastics Co., Ltd.
- Kaoru Yamamoto
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Continuous process for removing unstable components from crude oxym...
- Patent number 5,144,005
- Issue date Sep 1, 1992
- Hoechst Aktiengesellschaft
- Gunter Sextro
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for devolatilizing molten oxymethylene polymer
- Patent number 4,744,934
- Issue date May 17, 1988
- Hoechst Celanese Corporation
- Ronald S. Christy
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Process for devolatilizing molten oxymethylene polymer
- Patent number 4,692,290
- Issue date Sep 8, 1987
- Celanese Corporation
- Douglas W. Steele
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Method of producing polyacetal polymer showing improved heat resist...
- Patent number 4,622,385
- Issue date Nov 11, 1986
- Polyplastics Company, Ltd.
- Takeshi Asano
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polymeric acetal carboxylate compositions
- Patent number 4,587,033
- Issue date May 6, 1986
- Monsanto Company
- David R. Dyroff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Acetal purification using phase transfer catalysts
- Patent number 4,574,158
- Issue date Mar 4, 1986
- Conoco Inc.
- Jeff T. Fenton
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method of manufacture for paraformaldehyde prills
- Patent number 4,550,213
- Issue date Oct 29, 1985
- Celanese Corporation
- Hubert H. Thigpen
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing polymeric acetal carboxylate compositions
- Patent number 4,542,206
- Issue date Sep 17, 1985
- Monsanto Company
- David R. Dyroff
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for recovering trioxane by plural distillation
- Patent number 4,493,752
- Issue date Jan 15, 1985
- Asahi Kasei Kogyo Kabushiki Kaisha
- Takeshi Naito
- C07 - ORGANIC CHEMISTRY

Patents Applicationslast 30 patents

Information Patent Application
AMMONIA AND AMMONIUM HYDROXIDE STABILIZERS FOR PARAFORMALDEHYDE
- Publication number 20220033559
- Publication date Feb 3, 2022
- Celanese International Corporation
- John Leslie Ray
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR THE PRODUCTION OF STABLE POLYOXYMETHYLENE COPOLYMERS (CPOM)
- Publication number 20210292461
- Publication date Sep 23, 2021
- BASF SE
- Thomas HEITZ
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR REMOVAL OF VOLATILE COMPOUNDS FROM TACKIFIERS
- Publication number 20210079150
- Publication date Mar 18, 2021
- BASF SE
- Miran YU
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
PROCESS FOR PRODUCING OXYMETHYLENE COPOLYMER
- Publication number 20200216598
- Publication date Jul 9, 2020
- Mitsubishi Gas Chemical Company, Inc.
- Yuuta YAMAMOTO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCTION OF OXYMETHYLENE COPOLYMER
- Publication number 20180265617
- Publication date Sep 20, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Daigo NAKAYA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR PRODUCING POLYACETAL COPOLYMER
- Publication number 20170114176
- Publication date Apr 27, 2017
- Polyplastics Co., Ltd.
- Hiroaki NAKAO
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PRODUCING POLYACETAL COPOLYMER
- Publication number 20170073451
- Publication date Mar 16, 2017
- Polyplastics Co., Ltd.
- Tadahiro HORIGUCHI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
METHOD FOR REFINING POLYOXYMETHYLENE DIALKYL ETHERS BY CATALYTIC HY...
- Publication number 20140364652
- Publication date Dec 11, 2014
- Dongfang Hongsheng New Energy Application Technology Research Institute Co.,...
- Zhengpeng HONG
- C10 - PETROLEUM, GAS OR COKE INDUSTRIES TECHNICAL GASES CONTAINING CARBON MON...
Information Patent Application
POLYOXYMETHYLENE LASER SINTERING POWDER, PROCESS FOR ITS PRODUCTION...
- Publication number 20120208011
- Publication date Aug 16, 2012
- BASF SE
- Claus Dallner
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Application
METHOD FOR PRODUCING POLYOXYMETHYLENES WITH CERTAIN DEACTIVATORS
- Publication number 20100004409
- Publication date Jan 7, 2010
- BASF SE
- Claudius Schwittay
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Producing Polyoxymethylene Copolymer
- Publication number 20090062503
- Publication date Mar 5, 2009
- Mitsubishi Gas Chemical Company, Inc.
- Satoshi Nagai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for manufacturing stabilized polyacetal resin, stabilized po...
- Publication number 20080271381
- Publication date Nov 6, 2008
- Polyplastics Co., Ltd.
- Hatsuhiko Harashina
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Preparing Polyoxymethtylene Homopolymers or Copolymers
- Publication number 20080234459
- Publication date Sep 25, 2008
- BASF SE
- Neven Lang
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for Removing Residual Monomers from Polyoxymethylenes
- Publication number 20080214748
- Publication date Sep 4, 2008
- BASF Aktiengesellschaft
- Jens Assmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Basic Deactivators for Pom Production
- Publication number 20080009594
- Publication date Jan 10, 2008
- BASF Aktiengesellschaft
- Jens Assmann
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Method for production of polyoxymethylenes
- Publication number 20030018104
- Publication date Jan 23, 2003
- Marian Mours
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL

Post-polymerisation treatments

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Ammonia and ammonium hydroxide stabilizers for paraformaldehyde

Process for removal of volatile compounds from tackifiers

Process for producing oxymethylene copolymer

Process for production of oxymethylene copolymer

Method for producing oxymethylene copolymer

Method for producing polyacetal copolymer

Process for producing polyacetal copolymer

Production method for polyacetal copolymer

Method for refining polyoxymethylene dialkyl ethers by catalytic hy...

Polyoxymethylene laser sintering powder, process for its production...

Process for producing polyoxymethylene copolymer

Basic deactivators for POM production

Preparation of polyoxymethylenes

Method of terminating oxymethylene polymerization

Process for stabilizing oxymethylene copolymer

Process for preparing polyacetal copolymer

Process for the preparation of polyacetal copolymers

Method for processing crude polyoxymethylene

Process for producing polyoxymethylene copolymer having reduced amo...

Preparation and purification of poly(tetramethylene ether) formal g...

Process for preparing cyclic polyoxymethylene

Continuous process for removing unstable components from crude oxym...

Process for devolatilizing molten oxymethylene polymer

Process for devolatilizing molten oxymethylene polymer

Method of producing polyacetal polymer showing improved heat resist...

Polymeric acetal carboxylate compositions

Acetal purification using phase transfer catalysts

Method of manufacture for paraformaldehyde prills

Process for preparing polymeric acetal carboxylate compositions

Process for recovering trioxane by plural distillation

Patents Applicationslast 30 patents

AMMONIA AND AMMONIUM HYDROXIDE STABILIZERS FOR PARAFORMALDEHYDE

METHOD FOR THE PRODUCTION OF STABLE POLYOXYMETHYLENE COPOLYMERS (CPOM)

PROCESS FOR REMOVAL OF VOLATILE COMPOUNDS FROM TACKIFIERS

PROCESS FOR PRODUCING OXYMETHYLENE COPOLYMER

PROCESS FOR PRODUCTION OF OXYMETHYLENE COPOLYMER

METHOD FOR PRODUCING POLYACETAL COPOLYMER

PROCESS FOR PRODUCING POLYACETAL COPOLYMER

METHOD FOR REFINING POLYOXYMETHYLENE DIALKYL ETHERS BY CATALYTIC HY...

POLYOXYMETHYLENE LASER SINTERING POWDER, PROCESS FOR ITS PRODUCTION...

METHOD FOR PRODUCING POLYOXYMETHYLENES WITH CERTAIN DEACTIVATORS

Process for Producing Polyoxymethylene Copolymer

Method for manufacturing stabilized polyacetal resin, stabilized po...

Process for Preparing Polyoxymethtylene Homopolymers or Copolymers

Method for Removing Residual Monomers from Polyoxymethylenes

Basic Deactivators for Pom Production

Method for production of polyoxymethylenes