Inventor
FERTEL LAWRENCE B
US13 patents
⚠️ This page may combine multiple inventors who share the name “FERTEL LAWRENCE B”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
OCCIDENTAL CHEM CO
12 patentsUS5086188AFeb 4, 1992
Preparation of 3,5-dichlorophthalic acid and 3,5-dichlorophthalic anhydride
OCCIDENTAL CHEM CO9 citations73
US5059697AOct 22, 1991
Preparation of halogenated phthalic anhydrides
OCCIDENTAL CHEM CO16 citations73
US5003103AMar 26, 1991
Preparation of 2-choloro-4,5-difluorobenzoic acid from 4,5-difluorophthalic anhydride of 4,5-difluorophthalic acid
OCCIDENTAL CHEM CO8 citations73
US5405995AApr 11, 1995
Difluorophthalic compounds and their preparation
OCCIDENTAL CHEM CO10 citations72
US5380926AJan 10, 1995
Method of making 3-methoxy-2,4,5-trifluorobenzoic acid
OCCIDENTAL CHEM CO9 citations72
US5233082AAug 3, 1993
Method of making 3-hydroxy-2,4,5-trifluorobenzoic acid
OCCIDENTAL CHEM CO8 citations72
US4954639ASep 4, 1990
Single pot process for making a fluoroanthranilic acid
OCCIDENTAL CHEM CO11 citations72
US4994606AFeb 19, 1991
Process for the preparation of 4,5-difluoroanthranilic acid from 4,5-difluorophthalic anhydride or 4,5-difluorophthalic acid
OCCIDENTAL CHEM CO2 citations62
US5144076ASep 1, 1992
Preparation of 3,5-diamino benzotrifluoride
OCCIDENTAL CHEM CO4 citations61
US4937377AJun 26, 1990
Preparation of 3,4-difluorobenzoic acid by the decarboxylation of 4,5-difluorophthalic anhydride or 4,5-difluorophthalic acid
OCCIDENTAL CHEM CO6 citations61
US6025526AFeb 15, 2000
Synthesis of substituted mercapto-benzaldehydes
OCCIDENTAL CHEM CO4 citations57
US5294738AMar 15, 1994
Process for selective hydrodefluorination
OCCIDENTAL CHEM CO1 citations51