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Preparation of cellulose ether-esters
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CHEMISTRY METALLURGY
C08
Organic compounds
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POLYSACCHARIDES DERIVATIVES THEREOF
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C08B13/00
Preparation of cellulose ether-esters
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C08B13/02
Cellulose ether xanthates
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Patents Grants
last 30 patents
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Patent Grant
Hydroxypropyl methyl cellulose acetate succinate, method for produc...
Patent number
11,767,371
Issue date
Sep 26, 2023
Shin-Etsu Chemical Co., Ltd.
Akiko Miki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Hypromellose acetate succinate powder excellent in dissolved state...
Patent number
11,396,558
Issue date
Jul 26, 2022
Shin-Etsu Chemical Co., Ltd.
Junichi Matsubara
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Aqueous composition comprising dispersed esterified cellulose ether
Patent number
11,142,633
Issue date
Oct 12, 2021
Nutrition & Biosciences USA 1, LLC
Oliver Petermann
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Polysaccharide derivatives as optical brightening agents
Patent number
10,988,716
Issue date
Apr 27, 2021
ABO AKADEMI UNIVERSITY
Pedro Fardim
C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...
Information
Patent Grant
Hypromellose phthalate and method for producing hypromellose phthalate
Patent number
10,961,323
Issue date
Mar 30, 2021
Shin-Etsu Chemical Co., Ltd.
Mitsuhiro Yoshida
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Esterified cellulose ethers comprising phthalyl groups
Patent number
10,947,322
Issue date
Mar 16, 2021
Nutrition & Biosciences USA 1, LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hypromellose acetate succinate and method for producing hypromellos...
Patent number
10,934,367
Issue date
Mar 2, 2021
Shin-Etsu Chemical Co., Ltd.
Mitsuhiro Yoshida
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hypromellose phthalate and method for producing the same
Patent number
10,934,369
Issue date
Mar 2, 2021
Shin-Etsu Chemical Co., Ltd.
Junichi Matsubara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hypromellose acetate succinate and method for producing the same
Patent number
10,888,525
Issue date
Jan 12, 2021
Shin-Etsu Chemical Co., Ltd.
Junichi Matsubara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Polymer material, film, circular polarizing plate, image display ap...
Patent number
10,851,180
Issue date
Dec 1, 2020
Kaneka Corporation
Ryutaro Mukai
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Hypromellose acetate succinate powder excellent in dissolved state...
Patent number
10,836,836
Issue date
Nov 17, 2020
Shin-Etsu Chemical Co., Ltd.
Junichi Matsubara
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Gelling esterified cellulose ethers
Patent number
10,759,874
Issue date
Sep 1, 2020
Dow Global Technologies LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Esterified cellulose ethers of high molecular weight and homogeneity
Patent number
10,759,873
Issue date
Sep 1, 2020
Dow Global Technologies LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for producing a water-soluble cellulose derivative having a...
Patent number
10,730,956
Issue date
Aug 4, 2020
Dow Global Technologies LLC
Roland Bayer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process of preparing an esterified cellulose ether in the presence...
Patent number
10,730,957
Issue date
Aug 4, 2020
Dow Global Technologies LLC
Oliver Petermann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Composition for hot melt extrusion and method for producing hot mel...
Patent number
10,646,573
Issue date
May 12, 2020
Shin-Etsu Chemical Co., Ltd.
Shogo Warashina
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Hypromellose acetate succinate powder excellent in dissolved state...
Patent number
10,604,588
Issue date
Mar 31, 2020
Shin-Etsu Chemical Co., Ltd.
Junichi Matsubara
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method for preparing hydroxypropyl methylcellulose acetate succinat...
Patent number
10,562,983
Issue date
Feb 18, 2020
LOTTE FINE CHEMICAL CO., LTD.
Sung Hwan Bang
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Esterified cellulose ethers of low acetone-insoluble content
Patent number
10,526,421
Issue date
Jan 7, 2020
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for producing dispersion of esterified cellulose ether
Patent number
10,450,424
Issue date
Oct 22, 2019
Dow Global Technologies LLC
Meinolf Brackhagen
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Dispersion comprising an esterified cellulose ether
Patent number
10,383,944
Issue date
Aug 20, 2019
Dow Global Technologies LLC
Neal J. Fetner
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Water-soluble esterified cellulose ethers
Patent number
10,377,835
Issue date
Aug 13, 2019
Dow Global Technologies LLC
Oliver Petermann
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Grant
All-solid-state secondary battery, solid electrolyte composition an...
Patent number
10,297,859
Issue date
May 21, 2019
FUJIFILM Corporation
Hiroaki Mochizuki
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Hypromellose acetate succinate, method for producing the same and c...
Patent number
10,233,259
Issue date
Mar 19, 2019
Shin-Etsu Chemical Co., Ltd.
Kazuki Kikuchi
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Water-soluble esterified cellulose ethers having a low degree of ne...
Patent number
10,214,594
Issue date
Feb 26, 2019
Dow Global Technologies LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Efficient process for preparing an ester of a cellulose ether
Patent number
10,196,461
Issue date
Feb 5, 2019
Dow Global Technologies LLC
Oliver Petermann
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Pharmaceutical compositions with enhanced performance and improved...
Patent number
10,106,625
Issue date
Oct 23, 2018
Hercules LLC
Todd A. Brugel
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for molecular weight reduction of ethersuccinylated polysac...
Patent number
10,030,078
Issue date
Jul 24, 2018
The Procter & Gamble Company
Stephen Wayne Heinzman
Y02 - TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMA...
Information
Patent Grant
Hair fixatives including cellulose ether based polyglucose polymers
Patent number
10,016,352
Issue date
Jul 10, 2018
Akzo Nobel Chemicals International B.V.
Hanamanthsa Bevinakatti
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Composition for hot-melt extrusion and method for producing hot-mel...
Patent number
10,016,508
Issue date
Jul 10, 2018
Shin-Etsu Chemical Co., Ltd.
Shogo Warashina
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Patents Applications
last 30 patents
Information
Patent Application
HYDROXYPROPYL METHYL CELLULOSE ACETATE SUCCINATE, METHOD FOR PRODUC...
Publication number
20230365719
Publication date
Nov 16, 2023
Shin-Etsu Chemical Co., Ltd.
Akiko Miki
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Application
Methods and Compositions for Weight Management and for Improving Gl...
Publication number
20230320384
Publication date
Oct 12, 2023
Gelesis, LLC
Alessandro Sannino
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HYDROXYPROPYL METHYL CELLULOSE PHTHALATE, METHOD FOR PRODUCING THE...
Publication number
20220106460
Publication date
Apr 7, 2022
Shin-Etsu Chemical Co., Ltd.
Akiko Miki
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR FRACTIONATING AN ESTERIFIED CELLULOSE ETHER
Publication number
20220056157
Publication date
Feb 24, 2022
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR RECOVERING AN ESTERIFIED CELLULOSE ETHER FROM A REACTIO...
Publication number
20220049022
Publication date
Feb 17, 2022
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
Process for Recovering an Esterified Cellulose Ether from a Reactio...
Publication number
20210115161
Publication date
Apr 22, 2021
DOW GLOBAL TECHNOLOGIES LLC
Oliver O. Petermann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
EFFICIENT PROCESS OF PREPARING AN ESTERIFIED CELLULOSE ETHER
Publication number
20210102004
Publication date
Apr 8, 2021
DOW GLOBAL TECHNOLOGIES LLC
Meinolf Brackhagen
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HYPROMELLOSE ACETATE SUCCINATE POWDER EXCELLENT IN DISSOLVED STATE...
Publication number
20210024656
Publication date
Jan 28, 2021
Shin-Etsu Chemical Co., Ltd.
Junichi Matsubara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
HYPROMELLOSE ACETATE SUCCINATE POWDER EXCELLENT IN DISSOLVED STATE...
Publication number
20200181291
Publication date
Jun 11, 2020
Shin-Etsu Chemical Co., Ltd.
Junichi Matsubara
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR RECOVERING AN ESTERIFIED CELLULOSE ETHER FROM A REACTIO...
Publication number
20200131280
Publication date
Apr 30, 2020
DOW GLOBAL TECHNOLOGIES LLC
Oliver O. Petermann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
ESTERIFIED CELLULOSE ETHERS COMPRISING PHTHALYL GROUPS
Publication number
20200010572
Publication date
Jan 9, 2020
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HYPROMELLOSE PHTHALATE AND METHOD FOR PRODUCING THE SAME
Publication number
20190345263
Publication date
Nov 14, 2019
Shin-Etsu Chemical Co., Ltd.
Junichi Matsubara
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
NOVEL ESTERIFIED CELLULOSE ETHERS OF HIGH MOLECULAR WEIGHT AND HOMO...
Publication number
20190184020
Publication date
Jun 20, 2019
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
METHOD OF PREPARING ACETYLATED CELLULOSE ETHER
Publication number
20180327515
Publication date
Nov 15, 2018
LOTTE FINE CHEMICAL CO., LTD.
Byung Ho JEON
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
NOVEL ESTERIFIED CELLULOSE ETHERS OF LOW VISCOSITY AND HIGH MOLECUL...
Publication number
20180319898
Publication date
Nov 8, 2018
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
METHODS AND COMPOSITIONS FOR WEIGHT MANAGEMENT AND FOR IMPROVING GL...
Publication number
20180289043
Publication date
Oct 11, 2018
GELESIS LLC
Alessandro Sannino
A21 - BAKING EDIBLE DOUGHS
Information
Patent Application
AQUEOUS COMPOSITION COMPRISING DISPERSED ESTERIFIED CELLULOSE ETHER
Publication number
20180282526
Publication date
Oct 4, 2018
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR PREPARING AN ESTER OF A CELLULOSE ETHER IN THE PRESENCE...
Publication number
20180273646
Publication date
Sep 27, 2018
DOW GLOBAL TECHNOLOGIES LLC
Robert B. Appeil
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
NOVEL ESTERIFIED CELLULOSE ETHERS OF VERY HIGH MOLECULAR WEIGHT
Publication number
20180127516
Publication date
May 10, 2018
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
HYPROMELLOSE ACETATE SUCCINATE, METHOD FOR PRODUCING THE SAME AND C...
Publication number
20180118854
Publication date
May 3, 2018
Shin-Etsu Chemical Co., Ltd.
Kazuki Kikuchi
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Application
PROCESS OF PREPARING A HIGH MOLECULAR WEIGHT ESTERIFIED CELLULOSE E...
Publication number
20180105607
Publication date
Apr 19, 2018
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR PRODUCING ESTERIFIED CELLULOSE ETHERS OF VERY HIGH MOLE...
Publication number
20180105608
Publication date
Apr 19, 2018
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
GELLING ESTERIFIED CELLULOSE ETHERS
Publication number
20180072820
Publication date
Mar 15, 2018
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
WATER-SOLUBLE ESTERIFIED CELLULOSE ETHERS
Publication number
20180072818
Publication date
Mar 15, 2018
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
WATER-SOLUBLE ESTERIFIED CELLULOSE ETHERS HAVING A LOW DEGREE OF NE...
Publication number
20180072819
Publication date
Mar 15, 2018
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
A23 - FOODS OR FOODSTUFFS THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
Information
Patent Application
PROCESS FOR PREPARING AN ESTERIFIED CELLULOSE ETHER IN THE PRESENCE...
Publication number
20180030158
Publication date
Feb 1, 2018
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Application
PROCESS FOR FRACTIONATING AN ESTERIFIED CELLULOSE ETHER
Publication number
20180030157
Publication date
Feb 1, 2018
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PRODUCING A WATER-SOLUBLE CELLULOSE DERIVATIVE HAVING A...
Publication number
20170355782
Publication date
Dec 14, 2017
DOW GLOBAL TECHNOLOGIES LLC
Roland Bayer
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
EFFICIENT PROCESS FOR PREPARING AN ESTER OF A CELLULOSE ETHER
Publication number
20170355783
Publication date
Dec 14, 2017
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Application
PROCESS FOR PREPARING AN ESTER OF A CELLULOSE ETHER
Publication number
20170335019
Publication date
Nov 23, 2017
DOW GLOBAL TECHNOLOGIES LLC
Oliver Petermann
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...