Inventor · disambiguated record
Hans-Rudi Lenz
Also filed as: LENZ HANS-RUDI
6 granted patents·152 citations·filing 1985–1988
86Inventor score
Top patents by PatentIndex Score
6 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
- 0640US4835266ACosmetic 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
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →