Inventor
MARSHECK WILLIAM J
4 patents
Patents
4 patentsUS4397947AAug 9, 1983
Microbial process for 9α-hydroxylation of steroids
SEARLE & CO19 citations79
US3972871AAug 3, 1976
6β,17-Dihydroxy-7α-(lower alkoxy)carbonyl-3-oxo-17α-pregn-4-ene-21-carboxylic acid γ-lactones and congeners
SEARLE & CO6 citations71
US3994933ANov 30, 1976
3-Oxo-pregna-4,17(20)-dien-20-carboxylic acid and esters
SEARLE & CO7 citations69
US4032408AJun 28, 1977
Process of preparing 3-oxo-pregna-4,17(20)-dien-21-carboxylic acid and esters with mycobacterium
SEARLE & CO3 citations58