Inventor
OBERSON SYLVIANE
CH7 patents
Patents
7 patentsUS6908492B2Jun 21, 2005
7-nitro-2,1,3-benzoxadiazole and 7-nitro-2,1,3-benzthiadiazole derivatives, as well dyeing agents for keratin fibers containing these compounds
WELLA AG2 citations60
US6869454B2Mar 22, 2005
7-Nitro-2,1,3-benzoxadiazole and 7-nitro-2,1,3-benzthiadiazole derivatives, as well dyeing agents for keratin fibers containing these compounds
WELLA AG2 citations60
US7070625B2Jul 4, 2006
Agent and method for coloring keratin fibers containing 2-benzothiazolinone-hydrazone and quinone derivatives
WELLA AG3 citations59
US7083656B2Aug 1, 2006
7-nitro-2,1,3-benzoxadiazole and 7-nitro-2,1,3-benzthiadiazole derivatives, as well dyeing agents for keratin fibers containing these compounds
WELLA AG0 citations49
US6726730B2Apr 27, 2004
7-Nitro-2,1,3-benzoxadiazole derivatives and 7-nitro,2,1,3-benzthiadiazole derivatives and dyes, which contain these compounds and which are used for dying keratin fibers
WELLA AG0 citations49
US7214248B1May 8, 2007
Multi-component kit and method for temporarily dyeing and later decolorizing hair
WELLA AG0 citations39
US7455698B2Nov 25, 2008
Cationic dyes and dyestuff for keratin fibres containing said compounds
WELLA AG0 citations38