Inventor · disambiguated record
Gerhard Maresch
Also filed as: MARESCH GERHARD
12 granted patents·222 citations·filing 1985–1998
92Inventor score
Top patents by PatentIndex Score
12 records- 0179US4931271ACosmetic compostions based upon N-hydroxybutyl-chitosans, N-hydroxybutyl-chitosans as well as processes for the production thereofWELLA AG·Filed 1987·Granted Jun 5, 1990·27 cites·14 claims
- 0278US4923977ACosmetic composition based upon N-hydroxypropylisopropylether chitosans as well as new N-hydroxypropylisopropylether derivatives of chitosanWELLA AG·Filed 1987·Granted May 8, 1990·25 cites·10 claims
- 0375US4780310ACosmetic compositions based upon N-hydroxypropyl-chitosans, new N-hyroxypropyl-chitosans, as well as processes for the production thereofWELLA AG·Filed 1986·Granted Oct 25, 1988·46 cites·10 claims
- 0464US4954619AO-benzyl-N-hydroxyalkyl derivatives of chitosan and nail polish containing the sameWELLA AG·Filed 1988·Granted Sep 4, 1990·29 cites·15 claims
- 0553US4845204ACosmetic compositions on the basis of alkyl-hydroxypropyl-substituted chitosan derivatives, new chitosan derivatives and processes for the production thereofWELLA AG·Filed 1985·Granted Jul 4, 1989·18 cites·14 claims
- 0652US5637295AMethods and compositions for permanent shaping of hairWELLA AG·Filed 1995·Granted Jun 10, 1997·19 cites·6 claims
- 0752US5635170AComposition and method for permanent shaping of hairWELLA AKTIENGESELLCHAFT·Filed 1995·Granted Jun 3, 1997·18 cites·5 claims
- 0849US5679332AHair keratin-reducing cysteine esters and compositions for permanent shaping of hair based on sameWELLA AG·Filed 1995·Granted Oct 21, 1997·11 cites·17 claims
- 0945US6506501B1Foil for wrapping hair endsWELLA AG·Filed 1998·Granted Jan 14, 2003·10 cites·20 claims
- 1040US5503826AHair keratin-reducing mono, di- and triglycerides of cysteine and compositionsWELLA AG·Filed 1994·Granted Apr 2, 1996·8 cites·12 claims
- 1140US4835266ACosmetic compositions based upon n-hydroxypropyl-chitosans, new n-hydroxypropyl-chitosans, as well as processes for the production thereofWELLA AKTIENGSELLSCHAFT·Filed 1988·Granted May 30, 1989·7 cites·5 claims
- 1233US5554362AComposition and process for the permanent shaping of hairWELLA AG·Filed 1994·Granted Sep 10, 1996·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →