Hermann Becker

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Rodgau, DE

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Patents Grantslast 30 patents

Information Patent Grant
Tanning agent and a process for its preparation
- Patent number 4,828,570
- Issue date May 9, 1989
- Cassella Aktiengesellschaft
- Ulrich Riegel
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Processing for tanning leather
- Patent number 4,822,372
- Issue date Apr 18, 1989
- Cassella Aktiengesellschaft
- Frank Forster
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Process for tanning leather
- Patent number 4,810,252
- Issue date Mar 7, 1989
- Hoechst Aktiengesellschaft
- Hermann Becker
- C14 - SKINS HIDES PELTS LEATHER