Inventor
UHLMANN BEATE
DE4 patents
Patents
4 patentsUS5520905AMay 28, 1996
Cosmetic or dermatological preparation comprising delta-aminolevulinic acid content as an active ingredient
BEIERSDORF AG64 citations95
US5780042AJul 14, 1998
Synergistic light protection combinations and cosmetic and dermatological formulations comprising such combinations
BEIERSDORF AG23 citations92
US5620680AApr 15, 1997
Cosmetic and dermatological light protection formulations having an active content of cis-urocaninic acid
BEIERSDORF AG11 citations72
US5658556AAug 19, 1997
Cosmetic or dermatological preparations comprising hydrophobicized inorganic pigments for preserving the urocaninic acid state of the skin
BEIERSDORF AG11 citations69