Assignee
WELLA AKTIENGESELLSCHAT
DE·2 granted patents·484 citations·filing 1996–1996
Top patents by PatentIndex Score
2 records- 0196US5663366AProcess for the synthesis of 4,5-diaminopyrazole derivatives useful for dyeing hairWELLA AKTIENGESELLSCHAT·Filed 1996·Granted Sep 2, 1997·460 cites·2 claims
- 0261US5637115AOxidation hair dye compositions containing developers, couplers, and AZO dyesWELLA AKTIENGESELLSCHAT·Filed 1996·Granted Jun 10, 1997·24 cites·23 claims
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