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Rudolf Ehrler
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Fl orsheim, DE
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Patents Grants
last 30 patents
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Patent Grant
Reversibly crosslinked cellulose ethers and process for the product...
Patent number
11,453,729
Issue date
Sep 27, 2022
SE Tylose GmbH & Co. KG
Roland Stern
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose ethers containing butenyl groups and use thereof as prote...
Patent number
6,111,011
Issue date
Aug 29, 2000
Clariant GmbH
Reinhard Doenges
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cellulose ethers containing 2-propenyl groups and use thereof as pr...
Patent number
5,994,531
Issue date
Nov 30, 1999
Clariant GmbH
Reinhard Doenges
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Process for preparing cellulose ethers with recovery of alkali
Patent number
5,840,882
Issue date
Nov 24, 1998
Clariant GmbH
Reinhard Doenges
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Cationic unsaturated saccharides and polymers prepared therefrom, a...
Patent number
5,747,468
Issue date
May 5, 1998
Hoechst Aktiengesellschaft
Reinhard Donges
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for the preparation of water-soluble aminoalkyl derivatives...
Patent number
5,739,304
Issue date
Apr 14, 1998
Hoechst AG
Reinhard Doenges
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information
Patent Grant
Substituted Succinimides
Patent number
5,554,768
Issue date
Sep 10, 1996
Hoechst Aktiengesellschaft
Reinhard D onges
C07 - ORGANIC CHEMISTRY
Patents Applications
last 30 patents
Information
Patent Application
Reversibly crosslinked cellulose ethers and process for the product...
Publication number
20160215069
Publication date
Jul 28, 2016
SE Tylose GmbH & Co. KG
Roland STERN
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...