Dietmar Bischoff

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Alzenau-Michelbach, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of manufacturing an adjustable-viscosity cationic starch
- Patent number 5,116,967
- Issue date May 26, 1992
- Degussa Aktiengesellschaft
- Wolfgang Fischer
- D21 - PAPER-MAKING PRODUCTION OF CELLULOSE
Information Patent Grant
Process for dry cationization of polyvinyl alcohol
- Patent number 5,001,191
- Issue date Mar 19, 1991
- Degussa Aktiengesellschaft
- Reinhard Stober
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Method of preparing cellulose ethers containing tertiary or quatern...
- Patent number 4,940,785
- Issue date Jul 10, 1990
- Degussa Aktiengesellschaft
- Reinhard Stober
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the preparation of cationized polyvinyl alcohol
- Patent number 4,822,851
- Issue date Apr 18, 1989
- Degussa Aktiengesellschaft
- Reinhard Stober
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...