Inventor · disambiguated record
Keith C. Brown
Also filed as: BROWN KEITH · BROWN KEITH C
15 granted patents·283 citations·filing 1983–1998
94Inventor score
Top patents by PatentIndex Score
15 records- 0174US4911731AProcess and composition for dyeing hair utilizing an anionic polymeric/cationic polymer complexCLAIROL INC·Filed 1986·Granted Mar 27, 1990·48 cites·15 claims
- 0272US4559057AProcess and composition for coloring hair with pigmentsCLAIROL INC·Filed 1983·Granted Dec 17, 1985·35 cites·29 claims
- 0371US5173085AHair dyeing process and compositons packageCLAIROL INC·Filed 1991·Granted Dec 22, 1992·35 cites·21 claims
- 0470US5876463ACompositions for coloring keratinous fibers comprising sulfo-containing, water dispersible colored polymersBRISTOL MYERS SQUIBB CO·Filed 1996·Granted Mar 2, 1999·36 cites·18 claims
- 0568US4566876AMeta-phenylenediamine coupler compounds and oxidative hair dye compositions and methods using sameCLAIROL INC·Filed 1983·Granted Jan 28, 1986·28 cites·14 claims
- 0658US4904274AColoring hair with aminoalkyl-or aminohydroxyalkyl-catecholsCLAIROL INC·Filed 1988·Granted Feb 27, 1990·22 cites·16 claims
- 0757US5032138AChlorites as oxidants in hair coloringCLAIROL INC·Filed 1989·Granted Jul 16, 1991·22 cites·22 claims
- 0848US5346509AProcess for dyeing hair by the sequential treatment of hair with metal ion-containing composition and with a dye composition containing 5,6-dihydroxyindole-2-carboxylic acid and certain derivatives thereofCLAIROL INC·Filed 1993·Granted Sep 13, 1994·13 cites·8 claims
- 0946US5492541ADye compositions containing 5,6-dihydroxy indoles and a foam generatorCLAIROL INC·Filed 1990·Granted Feb 20, 1996·11 cites·6 claims
- 1043US5951718AHair coloring compositions containing a sulfo-containing water dispersible colored polymer and an emulsifierBRISTOL MYERS SQUIBB CO·Filed 1998·Granted Sep 14, 1999·8 cites·10 claims
- 1142US5735907AMethod of coloring hair with sulfo-containing water dispersible colored polymersCLAIROL INC·Filed 1995·Granted Apr 7, 1998·6 cites·17 claims
- 1238US4838894AHair dye coupler and process for makingCLAIROL INC·Filed 1987·Granted Jun 13, 1989·9 cites·7 claims
- 1337US5516916AProcess for preparing dye compositions containing 5,6-dihydroxyindoleCLAIROL INC·Filed 1995·Granted May 14, 1996·6 cites·13 claims
- 1434US5746779AQuaternized blue anthraqinone hair dyes in an isatin/amine dye systemBRISTOL MYERS SQUIBB CO·Filed 1996·Granted May 5, 1998·2 cites·16 claims
- 1531US5042987AMethod for reducing scalp staining in hair dyeing processes involving a metal ion pretreatment stepCLAIROL INC·Filed 1990·Granted Aug 27, 1991·2 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →