Inventor
CHAN ALEXANDER C
US19 patents
⚠️ This page may combine multiple inventors who share the name “CHAN ALEXANDER C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CLAIROL INC
6 patentsUS5474578ADec 12, 1995
Erasable hair dyeing process
CLAIROL INC58 citations92
US4975092ADec 4, 1990
Processes for coloring and/or conditioning hair
CLAIROL INC25 citations92
US4968497ANov 6, 1990
Skin tanning composition and method
CLAIROL INC24 citations92
US5037640AAug 6, 1991
Skin coloring and sunscreening compositions containing indoles and M-nitro alkoxybenzenes
CLAIROL INC12 citations72
US5049381ASep 17, 1991
Skin coloring compositions containing indoles and quaternary ammonium salts
CLAIROL INC6 citations61
US5199955AApr 6, 1993
M-phenylenediamine coupler and oxidative dye compositions containing same
CLAIROL INC0 citations52
UNILEVER HOME & PERSONAL CARE
6 patentsUS7041142B2May 9, 2006
Two step hair coloring compositions delivering deeper, long-lasting color
UNILEVER HOME & PERSONAL CARE42 citations90
US7066968B2Jun 27, 2006
Efficient two-step method of coloring and lightening hair with less damage
UNILEVER HOME & PERSONAL CARE11 citations82
US6743264B2Jun 1, 2004
Two step permanent coloring of hair
UNILEVER HOME & PERSONAL CARE12 citations69
US7060111B2Jun 13, 2006
Method for providing more vibrant, natural and long-lasting color to hair
UNILEVER HOME & PERSONAL CARE3 citations62
US7074244B2Jul 11, 2006
Hair dyeing method including an aligning step
UNILEVER HOME & PERSONAL CARE3 citations60
US6758866B2Jul 6, 2004
Enhanced color deposition for hair with sequestering agents
UNILEVER HOME & PERSONAL CARE0 citations50
REVLON CONSUMER PROD CORP
4 patentsUS6238653B1May 29, 2001
Liquid crystalline peroxide compositions and methods for coloring and/or bleaching hair
REVLON CONSUMER PROD CORP141 citations96
US6306182B1Oct 23, 2001
Polymeric dye compounds and compositions and methods for coloring hair
REVLON CONSUMER PROD CORP66 citations95
US6315989B1Nov 13, 2001
Water in oil microemulsion peroxide compositions for use in coloring hair and related methods
REVLON CONSUMER PROD CORP37 citations91
US6599330B2Jul 29, 2003
Method for coloring hair with removable hair color
REVLON CONSUMER PROD CORP10 citations73