Guther Lang

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Reinheim, DE

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Patents Grantslast 30 patents

Information Patent Grant
Cosmetic compositions based upon N-hydroxypropyl-chitosans, new N-h...
- Patent number 4,780,310
- Issue date Oct 25, 1988
- Wella Aktiengesellschaft
- Guther Lang
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE