Walter Voser

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Allschwil, CH

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Patents Grantslast 30 patents

Information Patent Grant
Ionically modified cellulose material, its preparation and its use
- Patent number 4,577,013
- Issue date Mar 18, 1986
- Ciba-Geigy Corporation
- Jurg Merz
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...