Michael Heyer

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Erkrath, DE

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Patents Grantslast 30 patents

Information Patent Grant
Sun protection agents
- Patent number 6,500,410
- Issue date Dec 31, 2002
- Biotec Pharmacon ASA
- Ute Griesbach
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Hair cosmetic preparations containing cationic biopolymers
- Patent number 6,248,313
- Issue date Jun 19, 2001
- Henkel Kommanditgesellschaft auf Aktien
- Rolf Wachter
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE