Inventor · disambiguated record
Giuseppe Prota
Also filed as: PROTA GIUSEPPE
16 granted patents·309 citations·filing 1988–1998
94Inventor score
Top patents by PatentIndex Score
16 records- 0188US5545399ACosmetic compositionCHESEBROUGH PONDS USA·Filed 1994·Granted Aug 13, 1996·85 cites·7 claims
- 0268US5704949AProcess for the manufacture of a hair dye product containing 5,6-dihydroxyindoleCLAIROL INC·Filed 1996·Granted Jan 6, 1998·30 cites·11 claims
- 0364US5273550AProcess and kit for dyeing hairCLAIROL INC·Filed 1991·Granted Dec 28, 1993·26 cites·43 claims
- 0461US5279618AProcess and kit for dyeing hairCLAIROL INC·Filed 1992·Granted Jan 18, 1994·26 cites·30 claims
- 0560US5628799AHair dying methods and kits which contain a dopa species, reactive direct dye, and a ferricyanide oxidantCLAIROL INC·Filed 1995·Granted May 13, 1997·23 cites·25 claims
- 0659US5686084ASynthesis of quaternary melanin compounds and their use as hair dyes or for skin treatmentCLAIROL INC·Filed 1995·Granted Nov 11, 1997·16 cites·19 claims
- 0758US4904274AColoring hair with aminoalkyl-or aminohydroxyalkyl-catecholsCLAIROL INC·Filed 1988·Granted Feb 27, 1990·22 cites·16 claims
- 0854US5441542AProcess and kit for post-oxidative treatment of permanently dyed hairCLAIROL INC·Filed 1993·Granted Aug 15, 1995·18 cites·12 claims
- 0953US5702712AMelanoquaternary compounds and their use as hair dyes and for skin treatmentCLAIROL INC·Filed 1995·Granted Dec 30, 1997·12 cites·16 claims
- 1050US5961991AMelanoquaternary compounds and their use as hair dyes and for skin treatmentBRISTOL MYERS SQUIBB CO·Filed 1997·Granted Oct 5, 1999·10 cites·30 claims
- 1148US5346509AProcess 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
- 1247US5827330ASynthesis of quarternary melanin compounds and their use as hair dyes or for skin treatmentBRISTOL MYERS SQUIBB CO·Filed 1997·Granted Oct 27, 1998·8 cites·12 claims
- 1347US5792220ADyeing hair with melanin procursors in the presence of iodate and peroxideBRISTOL MYERS SQUIBB CO·Filed 1997·Granted Aug 11, 1998·11 cites·16 claims
- 1444US5279617AProcess and kit for dyeing hairCLAIROL INC·Filed 1992·Granted Jan 18, 1994·9 cites·42 claims
- 1533US6160127AProcess for the preparation of substituted indolesBRISTOL MYERS SQUIBB CO·Filed 1998·Granted Dec 12, 2000·0 cites·19 claims
- 1630US6313313B1Synthesis of melanoquaternary compounds and their use as hair dyes and for skin treatmentBRISTOL MYERS SQUIBB CO·Filed 1998·Granted Nov 6, 2001·0 cites·14 claims
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →