Inventor · disambiguated record
Guiru Zhang
Also filed as: ZHANG GUIRU
33 granted patents·7 pending applications·153 citations·filing 2005–2018
96Inventor score
Top patents by PatentIndex Score
40 records- 0195US7985266B2Keratin dyeing compositions comprising a radical scavenger and a chelant and use thereofPROCTER & GAMBLE·Filed 2010·Granted Jul 26, 2011·16 cites·18 claims
- 0294US8425622B2Soluble solid hair coloring articleFELTS TIMOTHY JAMES·Filed 2012·Granted Apr 23, 2013·20 cites·21 claims
- 0392US8460397B2Oxidative dyeing compositions comprising an 1-hexyl/heptyl-4,5-diaminopyrazole and a pyridine and derivatives thereofLIM MUILL·Filed 2012·Granted Jun 11, 2013·12 cites·17 claims
- 0492US8444712B2Oxidative dyeing compositions comprising an 1-hexyl/heptyl-4,5-diaminopyrazole and a benzo[1,3]dioxol-5-ylamine and derivatives thereofLIM MUILL·Filed 2012·Granted May 21, 2013·12 cites·16 claims
- 0592US8444713B2Oxidative dyeing compositions comprising an 1-hexyl/heptyl-4,5-diaminopyrazole and a naphthalen-1-ol and derivatives thereofLIM MUILL·Filed 2012·Granted May 21, 2013·12 cites·15 claims
- 0691US8444710B2Oxidative dyeing compositions comprising an 1-hexyl/heptyl-4,5-diaminopyrazole and a m-aminophenol and derivatives thereofLIM MUILL·Filed 2012·Granted May 21, 2013·11 cites·15 claims
- 0791US8444709B2Oxidative dyeing compositions comprising an 1-hexyl/heptyl-4,5-diaminopyrazole and a 2-aminophenol and derivatives thereofLIM MUILL·Filed 2012·Granted May 21, 2013·11 cites·17 claims
- 0891US8444714B2Oxidative dyeing compositions comprising an 1-Hexy1/Hepty1-4,5-diaminopyrazole and a benzene-1,3-diol and derivatives thereofLIM MUILL·Filed 2012·Granted May 21, 2013·11 cites·15 claims
- 0990US8444711B2Oxidative dyeing compositions comprising an 1-hexyl/heptyl-4,5-diaminopyrazole and a benzene-1,3-diamine and derivatives thereofLIM MUILL·Filed 2012·Granted May 21, 2013·10 cites·15 claims
- 1090US7988740B2Keratin dyeing compositions comprising a radical scavenger and use thereofPROCTER & GAMBLE·Filed 2010·Granted Aug 2, 2011·10 cites·17 claims
- 1188US8444716B1Soluble solid hair coloring articleFELTS TIMOTHY JAMES·Filed 2012·Granted May 21, 2013·7 cites·22 claims
- 1288US7507262B2Compositions for oxidatively dyeing keratin fibers and methods for using such compositionsPROCTER & GAMBLE·Filed 2007·Granted Mar 24, 2009·6 cites·22 claims
- 1387US9918919B1Method of coloring hair with washfast yellow imidazolium direct dye compoundsNOXELL COPRORATION·Filed 2016·Granted Mar 20, 2018·4 cites·13 claims
- 1486US7678158B2Compositions for oxidatively dyeing keratin fibers and methods for using such compositionsPROCTER & GAMBLE·Filed 2009·Granted Mar 16, 2010·4 cites·7 claims
- 1585US8439981B2Soluble solid hair coloring articleFELTS TIMOTHY JAMES·Filed 2012·Granted May 14, 2013·4 cites·21 claims
- 1682US7303592B2Hair coloring compositions for use in oxidative hair dyeingPROCTER & GAMBLE·Filed 2005·Granted Dec 4, 2007·3 cites·8 claims
- 1767US2018078479A1Method of coloring hair with direct dye compoundsNOXELL CORP·Filed 2017·Application pending·0 cites
- 1866US9839593B2Method of coloring hair with direct dye compoundsNOXELL CORP·Filed 2016·Granted Dec 12, 2017·0 cites·9 claims
- 1962US9216945B2Methods of synthesizing 2-substituted-1,4-benzenediaminePROCTER & GAMBLE·Filed 2013·Granted Dec 22, 2015·0 cites·7 claims
- 2061US7850742B2Keratin dyeing compounds, keratin dyeing compositions containing said compounds, and use thereofPROCTER & GAMBLE·Filed 2009·Granted Dec 14, 2010·0 cites·12 claims
- 2158US2018071189A1Compositions for dyeing hair with cationic direct dyesNOXELL CORP·Filed 2017·Application pending·0 cites
- 2258US2018153788A1Method of coloring hair with direct dye compoundsNOXELL CORP·Filed 2017·Application pending·0 cites
- 2357US9849072B2Method of coloring hair with direct dye compoundsNOXELL CORP·Filed 2016·Granted Dec 26, 2017·0 cites·8 claims
- 2457US9844501B2Compositions for dyeing hair with cationic direct dyesNOXELL CORP·Filed 2016·Granted Dec 19, 2017·0 cites·10 claims
- 2552US2018078476A1Method of Increasing Uptake of Washfastness of Hair Health CompoundsPROCTER & GAMBLE·Filed 2017·Application pending·0 cites
- 2651US8618326B2Methods of synthesizing 2-substituted-1,4-benzenediamineGARDLIK JOHN MICHAEL·Filed 2011·Granted Dec 31, 2013·0 cites·23 claims
- 2750US2006162099A1Keratin dyeing compounds, keratin dyeing compositions containing them, and use thereofLIM MU LLL·Filed 2006·Application pending·0 cites
- 2848US9839592B2Fluorescent compounds for treating hairNOXELL CORP·Filed 2016·Granted Dec 12, 2017·0 cites·10 claims
- 2948US2018311134A1Odorless thiols for permanent waving, straightening and depilatory applicationsPROCTER & GAMBLE·Filed 2017·Application pending·0 cites
- 3045US12398104B2Odorless thiols for permanent waving, straightening and depilatory applicationsPROCTER & GAMBLE·Filed 2018·Granted Aug 26, 2025·0 cites·12 claims
- 3145US9913791B2Method for improving acid perspiration resistance of fluorescent compounds on hairNOXELL CORP·Filed 2016·Granted Mar 13, 2018·0 cites·9 claims
- 3245US9872823B2Method for improving fastness properties of fluorescent compounds on hairNOXELL CORP·Filed 2016·Granted Jan 23, 2018·0 cites·10 claims
- 3344US10494527B2Cationic direct dyesBASF SE·Filed 2016·Granted Dec 3, 2019·0 cites·7 claims
- 3444US9943472B2Acid perspiration resistant fluorescent compounds for treating hairNOXELL CORP·Filed 2016·Granted Apr 17, 2018·0 cites·10 claims
- 3544US9855202B2Compositions for dyeing hair with cationic direct dyesNOXELL CORP·Filed 2016·Granted Jan 2, 2018·0 cites·9 claims
- 3644US2018072970A1Stable violet-blue to blue imidazolium compoundsPROCTER & GAMBLE·Filed 2016·Application pending·0 cites
- 3741US10093807B2Stable yellow imidazolium compoundsNOXELL COPRORATION·Filed 2016·Granted Oct 9, 2018·0 cites·20 claims
- 3839US10034823B2Method of coloring hair with washfast blue imidazolium direct dye compoundsNOXELL CORP·Filed 2016·Granted Jul 31, 2018·0 cites·10 claims
- 3939US9982138B2Hair color compositions comprising stable violet-blue to blue imidazolium dyesNOXELL CORP·Filed 2016·Granted May 29, 2018·0 cites·4 claims
- 4038US11339295B2Oxidative dye couplers with novel auxochrome substituents and azomethine dyes and leuco forms thereofWELLA INT OPERATIONS SWITZERLAND SARL·Filed 2018·Granted May 24, 2022·0 cites·28 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →