Wilhelm Oppermann

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Bomlitz, DE

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Patents Grantslast 30 patents

Information Patent Grant
Essentially fiber-free cellulose ether with improved water retentio...
- Patent number 6,593,468
- Issue date Jul 15, 2003
- Wolff Walsrode AG
- Werner Lange
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
Information Patent Grant
Process for the production of hydroxypropyl starch
- Patent number 4,451,649
- Issue date May 29, 1984
- Wolff Walsrode Aktiengesellschaft
- Helwig Teubner
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Process for the production of hydroxyethyl methyl cellulose
- Patent number 4,438,264
- Issue date Mar 20, 1984
- Bayer Aktiengesellschaft
- Klaus Balser
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...

Patents Applicationslast 30 patents

Information Patent Application
Process for shaping cellulose ethers
- Publication number 20060205935
- Publication date Sep 14, 2006
- Alexandra Hild
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...