Inventor
EDWARDS CHARLES L
US21 patents
⚠️ This page may combine multiple inventors who share the name “EDWARDS CHARLES L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SHELL OIL CO
18 patentsUS5057627AOct 15, 1991
Alkoxylation process catalyzed by phosphate salts of the rare earth elements
SHELL OIL CO88 citations96
US4721817AJan 26, 1988
Preparation of nonionic surfactants
SHELL OIL CO56 citations96
US5059719AOct 22, 1991
Alkoxylation process using catalyst of the lanthanum series
SHELL OIL CO34 citations92
US4721816AJan 26, 1988
Preparation of nonionic surfactants
SHELL OIL CO36 citations92
US4375564AMar 1, 1983
Alkoxylation process
SHELL OIL CO40 citations92
US5057628AOct 15, 1991
Alkoxylation process catalyzed by compounds of the rare earth elements
SHELL OIL CO19 citations82
US4665236AMay 12, 1987
Alkoxylation process using bimetallic oxo catalyst
SHELL OIL CO24 citations82
US4396779AAug 2, 1983
Alkanol alkoxylate preparation
SHELL OIL CO20 citations82
US5352251AOct 4, 1994
Fuel compositions
SHELL OIL CO18 citations79
US4689435AAug 25, 1987
Alkoxylation process using bimetallic oxo catalyst
SHELL OIL CO15 citations73
US4575569AMar 11, 1986
Alkoxylation of thiols in the presence of a reaction promoter
SHELL OIL CO15 citations73
US4496776AJan 29, 1985
Epoxide isomerization process
SHELL OIL CO7 citations73
US4465877AAug 14, 1984
Magnesium catalyzed alkoxylation of alkanols in the presence of alkoxylate reaction activators
SHELL OIL CO18 citations73
US4931205AJun 5, 1990
Tertiary thiol ethoxylate compositions
SHELL OIL CO10 citations71
US4933502AJun 12, 1990
Process for the preparation of nonionic surfactants
SHELL OIL CO5 citations62
US4825009AApr 25, 1989
Preparation of nonionic surfactants
SHELL OIL CO3 citations62
US4308402ADec 29, 1981
Process for methyl-capped alkoxylates
SHELL OIL CO5 citations62
US4879394ANov 7, 1989
Reaction of olefins with maleic anhydride
SHELL OIL CO0 citations52