Hans Pfeiffer

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Haan, DE

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Patents Grantslast 30 patents

Information Patent Grant
Process for the enzymatic softening of furs
- Patent number 4,260,686
- Issue date Apr 7, 1981
- Henkel Kommanditgesellschaft auf Aktien
- Adolf Asbeck
- C14 - SKINS HIDES PELTS LEATHER
Information Patent Grant
Stabilized liquid enzyme containing compositions
- Patent number 4,142,999
- Issue date Mar 6, 1979
- Henkel Kommanditgesellschaft auf Aktien
- Helmut Bloching
- C11 - ANIMAL AND VEGETABLE OILS, FATS, FATTY SUBSTANCES AND WAXES FATTY ACIDS...