Inventor
RENG ALWIN
DE17 patents
⚠️ This page may combine multiple inventors who share the name “RENG ALWIN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOECHST AG
16 patentsUS4237243ADec 2, 1980
Use of cross-linked polymers to increase the viscosity in cosmetic, pharmaceutical and technical compositions
HOECHST AG88 citations96
US5403508AApr 4, 1995
Pearlescent dispersions comprising fatty acid glycol ester and non-ionic surfactant
HOECHST AG85 citations95
US4853430AAug 1, 1989
Method of increasing viscosity with fatty acid-modified polyesters and highly viscous compositions obtained thereby
HOECHST AG27 citations92
US4654163AMar 31, 1987
Nonionic fluent pearl luster dispersions
HOECHST AG26 citations92
US4150216AApr 17, 1979
Hair-treating agents from branched, sulfo-group containing copolyesters
HOECHST AG35 citations92
US4606916AAug 19, 1986
Quaternary oxalkylated polyesters, a process for their preparation and their use
HOECHST AG25 citations81
US5231224AJul 27, 1993
Alkyl ether carboxylic acid taurides
HOECHST AG8 citations73
US5071960ADec 10, 1991
High molecular weight protein/fatty acid condensation products which are very well tolerated by the skin and mucosa
HOECHST AG18 citations73
US4620976ANov 4, 1986
Pearlescent dispersion with good flow properties and a low surfactant content
HOECHST AG15 citations73
US4416808ANov 22, 1983
Bis-betaine-amine oxides, process for their preparation, and cleaning agents containing them
HOECHST AG14 citations73
US4415488ANov 15, 1983
Triamine-trioxides, a process for their preparation, and cleaning agents containing these compounds
HOECHST AG9 citations73
US4415487ANov 15, 1983
Bis-betaines, a process for their preparation, and cleaning agents containing these compounds
HOECHST AG7 citations73
US4564520AJan 14, 1986
Hair shampoos and body cleansing agents having a content of alkylsulfatobetaines
HOECHST AG8 citations72
US4134970AJan 16, 1979
Quaternary ammonium compounds and their use in hair care compositions
HOECHST AG16 citations71
US4781918ANov 1, 1988
Cosmetic agents for hair and skin treatment
HOECHST AG4 citations62
US4588522AMay 13, 1986
Betaine-amine oxides, a process for their preparation and their use as surfactants
HOECHST AG6 citations62