Inventor
SEPER KARL W
US6 patents
⚠️ This page may combine multiple inventors who share the name “SEPER KARL W”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OCCIDENTAL CHEM CO
5 patentsUS5322954AJun 21, 1994
Synthesis of 4-substituted phthalic anhydrides
OCCIDENTAL CHEM CO25 citations89
US5196593AMar 23, 1993
Halogenated trifluoromethylbenzenes
OCCIDENTAL CHEM CO6 citations72
US5215727AJun 1, 1993
Method of making chromic oxide
OCCIDENTAL CHEM CO11 citations71
US5300201AApr 5, 1994
Photochlorination of phthalic anhydride
OCCIDENTAL CHEM CO15 citations70
US5206391AApr 27, 1993
Process for the preparation of halophthalic anhydrides
OCCIDENTAL CHEM CO15 citations69