Richard Gruber

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Waldsolms, DE

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Patents Grantslast 30 patents

Information Patent Grant
Salts of copolymers of ethylenically unsaturated carboxylic acids a...
- Patent number 5,504,162
- Issue date Apr 2, 1996
- Hoechst Aktiengesellschaft
- Herbert Friedrich
- C14 - SKINS HIDES PELTS LEATHER