Inventor
WALKER JERRY A
17 patents
Patents
17 patentsUS4600538AJul 15, 1986
Corticosteroids from 17-keto steroids via 20-cyano-Δ17 (20)-pregnanes
UPJOHN CO13 citations73
US4342702AAug 3, 1982
Metallated halogenated acetylene corticoid synthesis
UPJOHN CO9 citations73
US4226790AOct 7, 1980
Process for oxidizing thallium (I) to thallium (III)
UPJOHN CO7 citations73
US4135051AJan 16, 1979
Process for preparing arylalkanoic acid derivatives
UPJOHN CO11 citations73
US4107439AAug 15, 1978
Process for preparing arylalkanoic acid derivatives
UPJOHN CO16 citations73
US4357279ANov 2, 1982
Preparation of corticoids from 17-keto steroids
UPJOHN CO7 citations72
US4623736ANov 18, 1986
Arylalkanoic acid process improvement
UPJOHN CO13 citations71
US4142054AFeb 27, 1979
Process for preparing arylalkanoic acid derivatives
UPJOHN CO9 citations71
US4568492AFeb 4, 1986
Δ16-20-Keto steroid conversion to 17α-hydroxy-20-keto steroids
UPJOHN CO3 citations62
US4266069AMay 5, 1981
Processes for the preparation of hydratropic acids and esters
UPJOHN CO6 citations62
US4324904AApr 13, 1982
Processes for the preparation of hydratropic acids and esters
UPJOHN CO6 citations60
US4412955ANov 1, 1983
Preparation of corticoids from 17-keto steroids
UPJOHN CO0 citations51
US4411835AOct 25, 1983
Preparation of corticoids from 17-keto steroids
UPJOHN CO1 citations51
US4404142ASep 13, 1983
Preparation of corticoids from 17-keto steroids
UPJOHN CO0 citations51
US4398035AAug 9, 1983
Malonic acids and esters thereof
UPJOHN CO1 citations51
US4284827AAug 18, 1981
Process to prepare metalated olefins
UPJOHN CO1 citations51
US4401599AAug 30, 1983
Preparation of 21-halo steroids
UPJOHN CO0 citations40