Inventor
SHEEHAN JOHN C
10 patents
⚠️ This page may combine multiple inventors who share the name “SHEEHAN JOHN C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MASSACHUSETTS INST TECHNOLOGY
9 patentsUS4282149AAug 4, 1981
Carbon and oxygen analogs of penicillin
MASSACHUSETTS INST TECHNOLOGY7 citations73
US4143046AMar 6, 1979
Carbon and oxygen analogs of penicillin
MASSACHUSETTS INST TECHNOLOGY13 citations73
US4093625AJun 6, 1978
6-Sulfur analogs of penicillins and cephalosporins
MASSACHUSETTS INST TECHNOLOGY8 citations72
US4456755AJun 26, 1984
7-Oxygen analogs of cephalosporins
MASSACHUSETTS INST TECHNOLOGY4 citations62
US4381300AApr 26, 1983
Sulphur analogs of cephalosporins having a nucleophile substituted in the 7 position
MASSACHUSETTS INST TECHNOLOGY3 citations61
US4265882AMay 5, 1981
Sulphur analogs of penicillins having a nucleophile substituted in the 6 and 7 position, respectively
MASSACHUSETTS INST TECHNOLOGY5 citations61
US3939151AFeb 17, 1976
Displacement of the thiazolidine ring in penicillin with the formation of a biologically active cephem system
MASSACHUSETTS INST TECHNOLOGY4 citations61
US4622394ANov 11, 1986
Oxygen analogs of cephalosporins
MASSACHUSETTS INST TECHNOLOGY0 citations51
US4361514ANov 30, 1982
Carbon analogs of penicillin
MASSACHUSETTS INST TECHNOLOGY0 citations51