Polymerisation of cyclic oligomers of formaldehyde

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CPC
C08G2/10

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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

Current Industry

C08G2/10Polymerisation of cyclic oligomers of formaldehyde

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Polyoxymethylene and method of producing same
- Patent number 11,981,772
- Issue date May 14, 2024
- Asahi Kasei Kabushiki Kaisha
- Chihiro Suemitsu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for making an oxymethylene polymer
- Patent number 11,787,892
- Issue date Oct 17, 2023
- BASF SE
- Thomas Heitz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Grant
Photochromic polyurethane laminate
- Patent number 11,754,752
- Issue date Sep 12, 2023
- HOYA OPTICAL LABS OF AMERICA, INC.
- Hannah Vu
- B32 - LAYERED PRODUCTS
Information Patent Grant
Method for producing oxymethylene polymer and oxymethylene polymer...
- Patent number 11,326,051
- Issue date May 10, 2022
- Mitsubishi Gas Chemical Company, Inc.
- Takuya Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Photochromic polyurethane laminate
- Patent number 11,181,666
- Issue date Nov 23, 2021
- Vision Ease, LP
- Hannah Vu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for improving the flexural toughness of moldings
- Patent number 10,961,384
- Issue date Mar 30, 2021
- BASF SE
- Bernd-Steffen Von Bernstorff
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method for producing oxymethylene copolymer
- Patent number 10,954,332
- Issue date Mar 23, 2021
- Mitsubishi Gas Chemical Company, Inc.
- Takuya Okada
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyacetal resin composition
- Patent number 10,844,191
- Issue date Nov 24, 2020
- Polyplastics Co., Ltd.
- Hiroki Arai
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyoxymethylene resin composition and molded article manufactured...
- Patent number 10,808,067
- Issue date Oct 20, 2020
- Hyundai Motor Company
- Joon Yong Song
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Polyoxymethylene resin molded article, sliding member, and ramp for...
- Patent number 10,781,307
- Issue date Sep 22, 2020
- Asahi Kasei Kabushiki Kaisha
- Junichi Tsuzuki
- G11 - INFORMATION STORAGE
Information Patent Grant
HMF oligomers
- Patent number 10,703,849
- Issue date Jul 7, 2020
- AVALON Industries AG
- Francois Badoux
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Photochromic polyurethane laminate
- Patent number 10,330,828
- Issue date Jun 25, 2019
- Vision Ease, LP
- Hannah Vu
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method for producing oxymethylene copolymer
- Patent number 10,280,258
- Issue date May 7, 2019
- Mitsubishi Gas Chemical Company, Inc.
- Daigo Nakaya
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Trioxane composition and method for storing same
- Patent number 10,227,448
- Issue date Mar 12, 2019
- Mitsubishi Gas Chemical Company, Inc.
- Yumi Okui
- 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
Trioxane composition and method for storing the same
- Patent number 9,902,806
- Issue date Feb 27, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Yumi Okui
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Isohexide-diacetal based polymers and a process thereof
- Patent number 9,815,934
- Issue date Nov 14, 2017
- Council of Scientific and Industrial Research
- Samir Hujur Chikkali
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for preparing polyoxymethylene
- Patent number 9,765,172
- Issue date Sep 19, 2017
- BASF SE
- Laurence Pottie
- 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
Process for the production of trioxane
- Patent number 9,604,956
- Issue date Mar 28, 2017
- Celanese Sales Germany GmbH
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing a cyclic acetal
- Patent number 9,574,061
- Issue date Feb 21, 2017
- Celanese Sales Germany GmbH
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing polyacetal copolymer
- Patent number 9,550,853
- Issue date Jan 24, 2017
- Polyplastics Co., Ltd.
- Tomohiro Monma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of trioxane from aqueous formaldehyde so...
- Patent number 9,546,148
- Issue date Jan 17, 2017
- Ticona GmbH
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Method for producing polyacetal copolymer
- Patent number 9,546,241
- Issue date Jan 17, 2017
- Polyplastics Co., Ltd.
- Tomohiro Monma
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for producing a cyclic acetal in a heterogeneous reaction s...
- Patent number 9,499,512
- Issue date Nov 22, 2016
- Ticona GmbH
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Integrated process for producing cyclic acetals and oxymethylene po...
- Patent number 9,469,624
- Issue date Oct 18, 2016
- Ticona GmbH
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Initiator
- Patent number 9,163,120
- Issue date Oct 20, 2015
- Ticona GmbH
- Michael Hoffmockel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Photochromic Polyurethane Laminate
- Publication number 20230375751
- Publication date Nov 23, 2023
- HOYA Optical Labs of America, Inc.
- Hannah Vu
- B32 - LAYERED PRODUCTS
Information Patent Application
INITIATED CHEMICAL VAPOR DEPOSITION AND STRUCTURATION OF POLYOXYMET...
- Publication number 20220372201
- Publication date Nov 24, 2022
- Drexel University
- Kenneth K.S. LAU
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR PRODUCING OXYMETHYLENE POLYMER AND OXYMETHYLENE POLYMER...
- Publication number 20220056259
- Publication date Feb 24, 2022
- Mitsubishi Gas Chemical Company, Inc.
- Takuya OKADA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Photochromic Polyurethane Laminate
- Publication number 20220050226
- Publication date Feb 17, 2022
- VISION EASE, LP
- Hannah Vu
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYOXYMETHYLENE AND METHOD OF PRODUCING SAME
- Publication number 20220033558
- Publication date Feb 3, 2022
- ASAHI KASEI KABUSHIKI KAISHA
- Chihiro SUEMITSU
- 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
METHOD FOR PRODUCING OXYMETHYLENE COPOLYMER
- Publication number 20200354500
- Publication date Nov 12, 2020
- Mitsubishi Gas Chemical Company, Inc.
- Takuya OKADA
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
POLYACETAL RESIN COMPOSITION
- Publication number 20200172699
- Publication date Jun 4, 2020
- Polyplastics Co., Ltd.
- Hiroki ARAI
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR MAKING AN OXYMETHYLENE POLYMER
- Publication number 20200048395
- Publication date Feb 13, 2020
- BASF SE
- Thomas Heitz
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
Information Patent Application
Photochromic Polyurethane Laminate
- Publication number 20190265389
- Publication date Aug 29, 2019
- VISION EASE, LP
- Hannah Vu
- B32 - LAYERED PRODUCTS
Information Patent Application
POLYOXYMETHYLENE RESIN COMPOSITION AND MOLDED ARTICLE MANUFACTURED...
- Publication number 20190161572
- Publication date May 30, 2019
- Hyundai Motor Company
- Joon Yong Song
- 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
HMF OLIGOMERS
- Publication number 20180244823
- Publication date Aug 30, 2018
- AVALON Industries AG
- Francois BADOUX
- C07 - ORGANIC CHEMISTRY
Information Patent Application
TRIOXANE COMPOSITION AND METHOD FOR STORING SAME
- Publication number 20180118885
- Publication date May 3, 2018
- Mitsubishi Gas Chemical Company, Inc.
- Yumi OKUI
- C07 - ORGANIC CHEMISTRY
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
Process For Recycling Polyacetals
- Publication number 20160280882
- Publication date Sep 29, 2016
- TICONA GMBH
- Michael Haubs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Process for Producing A Cyclic Acetal In A Heterogeneous Reaction S...
- Publication number 20140350216
- Publication date Nov 27, 2014
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process For The Production Of Trioxane From Aqueous Formaldehyde So...
- Publication number 20140343300
- Publication date Nov 20, 2014
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Recycling Polyacetals
- Publication number 20140343302
- Publication date Nov 20, 2014
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Producing A Cyclic Acetal
- Publication number 20140343301
- Publication date Nov 20, 2014
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Integrated Process for Producing Cyclic Acetals and Oxymethylene Po...
- Publication number 20140329988
- Publication date Nov 6, 2014
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process for Recycling A Formaldehyde Source During A Polymerization...
- Publication number 20140323686
- Publication date Oct 30, 2014
- Klaus Kurz
- C07 - ORGANIC CHEMISTRY
Information Patent Application
Process For The Production of Trioxane
- Publication number 20140316147
- Publication date Oct 23, 2014
- Michael Haubs
- C07 - ORGANIC CHEMISTRY
Information Patent Application
INITIATOR
- Publication number 20140221603
- Publication date Aug 7, 2014
- TICONA GMBH
- Michael Hoffmockel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Initiator
- Publication number 20120259089
- Publication date Oct 11, 2012
- Michael Hoffmockel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Initiator
- Publication number 20110160428
- Publication date Jun 30, 2011
- Michael Hoffmockel
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
Oxymethylene Polymers and Process for the Preparation Thereof
- Publication number 20110077378
- Publication date Mar 31, 2011
- TICONA GmbH
- Michael Haubs
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
PROCESS FOR PREPARING POLYOXYMETHYLENE HOMOPOLYMERS OR COPOLYMERS B...
- Publication number 20100280195
- Publication date Nov 4, 2010
- BASF SE
- Markus Siegert
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Application
IONIC LIQUIDS IN THE PREPARATION OF POMS
- Publication number 20090275724
- Publication date Nov 5, 2009
- BASF SE Patents ,Trademarks and Licenses
- Karthikeyan Sharavanan
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Polymerisation of cyclic oligomers of formaldehyde

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Polyoxymethylene and method of producing same

Process for making an oxymethylene polymer

Photochromic polyurethane laminate

Method for producing oxymethylene polymer and oxymethylene polymer...

Photochromic polyurethane laminate

Process for improving the flexural toughness of moldings

Method for producing oxymethylene copolymer

Polyacetal resin composition

Polyoxymethylene resin composition and molded article manufactured...

Polyoxymethylene resin molded article, sliding member, and ramp for...

HMF oligomers

Photochromic polyurethane laminate

Method for producing oxymethylene copolymer

Trioxane composition and method for storing same

Process for production of oxymethylene copolymer

Method for producing oxymethylene copolymer

Trioxane composition and method for storing the same

Isohexide-diacetal based polymers and a process thereof

Process for preparing polyoxymethylene

Method for producing polyacetal copolymer

Process for producing polyacetal copolymer

Production method for polyacetal copolymer

Process for the production of trioxane

Process for producing a cyclic acetal

Method for producing polyacetal copolymer

Process for the production of trioxane from aqueous formaldehyde so...

Method for producing polyacetal copolymer

Process for producing a cyclic acetal in a heterogeneous reaction s...

Integrated process for producing cyclic acetals and oxymethylene po...

Initiator

Patents Applicationslast 30 patents

Photochromic Polyurethane Laminate

INITIATED CHEMICAL VAPOR DEPOSITION AND STRUCTURATION OF POLYOXYMET...

METHOD FOR PRODUCING OXYMETHYLENE POLYMER AND OXYMETHYLENE POLYMER...

Photochromic Polyurethane Laminate

POLYOXYMETHYLENE AND METHOD OF PRODUCING SAME

METHOD FOR THE PRODUCTION OF STABLE POLYOXYMETHYLENE COPOLYMERS (CPOM)

METHOD FOR PRODUCING OXYMETHYLENE COPOLYMER

POLYACETAL RESIN COMPOSITION

PROCESS FOR MAKING AN OXYMETHYLENE POLYMER

Photochromic Polyurethane Laminate

POLYOXYMETHYLENE RESIN COMPOSITION AND MOLDED ARTICLE MANUFACTURED...

PROCESS FOR PRODUCTION OF OXYMETHYLENE COPOLYMER

HMF OLIGOMERS

TRIOXANE COMPOSITION AND METHOD FOR STORING SAME

METHOD FOR PRODUCING POLYACETAL COPOLYMER

PROCESS FOR PRODUCING POLYACETAL COPOLYMER

Process For Recycling Polyacetals

Process for Producing A Cyclic Acetal In A Heterogeneous Reaction S...

Process For The Production Of Trioxane From Aqueous Formaldehyde So...

Process for Recycling Polyacetals

Process for Producing A Cyclic Acetal

Integrated Process for Producing Cyclic Acetals and Oxymethylene Po...

Process for Recycling A Formaldehyde Source During A Polymerization...

Process For The Production of Trioxane

INITIATOR

Initiator

Initiator

Oxymethylene Polymers and Process for the Preparation Thereof

PROCESS FOR PREPARING POLYOXYMETHYLENE HOMOPOLYMERS OR COPOLYMERS B...

IONIC LIQUIDS IN THE PREPARATION OF POMS