Inventor · disambiguated record
Alwin Reng
Also filed as: RENG ALWIN · RENG ALWIN K
19 granted patents·457 citations·filing 1977–1994
96Inventor score
Top patents by PatentIndex Score
19 records- 0191US4237243AUse of cross-linked polymers to increase the viscosity in cosmetic, pharmaceutical and technical compositionsHOECHST AG·Filed 1979·Granted Dec 2, 1980·88 cites·8 claims
- 0288US5403508APearlescent dispersions comprising fatty acid glycol ester and non-ionic surfactantHOECHST AG·Filed 1993·Granted Apr 4, 1995·85 cites·20 claims
- 0380US4150216AHair-treating agents from branched, sulfo-group containing copolyestersHOECHST AG·Filed 1977·Granted Apr 17, 1979·35 cites·23 claims
- 0470US4722958AProcess for the preparation of copolymersCASSELLA FARBWERKE MAINKUR AG·Filed 1987·Granted Feb 2, 1988·39 cites·8 claims
- 0567US4606916AQuaternary oxalkylated polyesters, a process for their preparation and their useHOECHST AG·Filed 1984·Granted Aug 19, 1986·25 cites·6 claims
- 0666US5231224AAlkyl ether carboxylic acid tauridesHOECHST AG·Filed 1992·Granted Jul 27, 1993·8 cites·9 claims
- 0765US4654163ANonionic fluent pearl luster dispersionsHOECHST AG·Filed 1985·Granted Mar 31, 1987·26 cites·6 claims
- 0864US4134970AQuaternary ammonium compounds and their use in hair care compositionsHOECHST AG·Filed 1977·Granted Jan 16, 1979·16 cites·9 claims
- 0963US4853430AMethod of increasing viscosity with fatty acid-modified polyesters and highly viscous compositions obtained therebyHOECHST AG·Filed 1987·Granted Aug 1, 1989·27 cites·9 claims
- 1062US4588522ABetaine-amine oxides, a process for their preparation and their use as surfactantsHOECHST AG·Filed 1983·Granted May 13, 1986·6 cites·5 claims
- 1153US5071960AHigh molecular weight protein/fatty acid condensation products which are very well tolerated by the skin and mucosaHOECHST AG·Filed 1990·Granted Dec 10, 1991·18 cites·7 claims
- 1250US4600539AO/W Emulsifiers for cosmetic purposesBEIERSDORF AG·Filed 1984·Granted Jul 15, 1986·11 cites·6 claims
- 1350US4416808ABis-betaine-amine oxides, process for their preparation, and cleaning agents containing themHOECHST AG·Filed 1982·Granted Nov 22, 1983·14 cites·4 claims
- 1449US5494658AAntidandruff agents and cosmetic preparationsHOECHST AG·Filed 1994·Granted Feb 27, 1996·16 cites·7 claims
- 1548US4620976APearlescent dispersion with good flow properties and a low surfactant contentHOECHST AG·Filed 1985·Granted Nov 4, 1986·15 cites·8 claims
- 1646US4415488ATriamine-trioxides, a process for their preparation, and cleaning agents containing these compoundsHOECHST AG·Filed 1982·Granted Nov 15, 1983·9 cites·4 claims
- 1740US4564520AHair shampoos and body cleansing agents having a content of alkylsulfatobetainesHOECHST AG·Filed 1982·Granted Jan 14, 1986·8 cites·4 claims
- 1837US4415487ABis-betaines, a process for their preparation, and cleaning agents containing these compoundsHOECHST AG·Filed 1982·Granted Nov 15, 1983·7 cites·4 claims
- 1934US4781918ACosmetic agents for hair and skin treatmentHOECHST AG·Filed 1987·Granted Nov 1, 1988·4 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →