Inventor
GONZENBACH HANS ULRICH
CH10 patents
⚠️ This page may combine multiple inventors who share the name “GONZENBACH HANS ULRICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ROCHE VITAMINS INC
7 patentsUS6033649AMar 7, 2000
Light screening agents
ROCHE VITAMINS INC53 citations92
US5985251ANov 16, 1999
Light screening compositions
ROCHE VITAMINS INC29 citations90
US6193959B1Feb 27, 2001
Light screening compositions
ROCHE VITAMINS INC44 citations86
US6048516AApr 11, 2000
Light-screening agents
ROCHE VITAMINS INC16 citations80
US6123929ASep 26, 2000
Light screening composition containing a polysiloxane-type UV-B screening agent and a benzimidazol-type screening agent
ROCHE VITAMINS INC9 citations72
US6165451ADec 26, 2000
Cosmetic light screening composition
ROCHE VITAMINS INC9 citations71
US6069170AMay 30, 2000
Light screening compounds and compositions
ROCHE VITAMINS INC11 citations70