Inventor
SHI NONGYUAN
DE6 patents
⚠️ This page may combine multiple inventors who share the name “SHI NONGYUAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
DEGUSSA
5 patentsUS6380437B1Apr 30, 2002
Process for the preparation of unsaturated 4,5-allene ketones, 3,5-diene ketones and the corresponding saturated ketones
DEGUSSA15 citations80
US6103924AAug 15, 2000
Process for the preparation of 2,3,5-trimethylhydroquinone diesters
DEGUSSA7 citations71
US5969176AOct 19, 1999
Process for the production of trimethylhydroquinone diesters and of trimethylhydroquinone
DEGUSSA9 citations71
US6316661B1Nov 13, 2001
Process for the production of 2,3,5-trimethylhydroquinone diesters
DEGUSSA3 citations61
US6586635B2Jul 1, 2003
Process for the preparation of unsaturated ketones
DEGUSSA3 citations58