Anke Frank

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Frankfurt, DE

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Patents Grantslast 30 patents

Information Patent Grant
Coloring agent for keratin fibers
- Patent number 7,125,427
- Issue date Oct 24, 2006
- Wella AG
- Juergen Schmenger
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Substituted 2-alkylamino-4-amino-1-alkylbenzene compounds and oxida...
- Patent number 5,645,610
- Issue date Jul 8, 1997
- Wolfgang R. Balzer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
5-halogen-2,4-Bis (alkylamino)-1-alkylbenzenes and hair dye composi...
- Patent number 5,542,953
- Issue date Aug 6, 1996
- Wella AG
- Wolfgang R. Balzer
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE