Inventor

BORGERDING MECHTHILD

DE2 patents

Patents

2 patents

US6569211B2May 27, 2003

5,6-dihydroxyindolines as additives for hair dyeing preparations

HENKEL KGAA2 citations57

US6878170B2Apr 12, 2005

5,6-Dihydroxyindolines as additives for hair dyeing preparations

HENKEL KGAA0 citations47