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Diethart Reichel
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Darmstadt, DE
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last 30 patents
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Patent Grant
Process for the preparation and work-up of N-hydroxyalkylchitosans...
Patent number
6,090,928
Issue date
Jul 18, 2000
Clariant GmbH
Reinhard Donges
F26 - DRYING
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Patent Grant
Process for the preparation of low molecular weight cellulose ethers
Patent number
5,928,709
Issue date
Jul 27, 1999
Clariant GmbH
Reinhard Doenges
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
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Patent Grant
Process for the preparation of low molecular weight cellulose ethers
Patent number
5,719,274
Issue date
Feb 17, 1998
Hoechst Aktiengesellschaft
Reinhard Doenges
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Process for preparing cellulose ethers with cyclic ethers as suspen...
Patent number
5,493,013
Issue date
Feb 20, 1996
Hoechst Aktiengesellschaft
Diethart Reichel
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...