Inventor
CRAWFORD THOMAS C
US22 patents
⚠️ This page may combine multiple inventors who share the name “CRAWFORD THOMAS C”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
PFIZER
21 patentsUS4766117AAug 23, 1988
Antiinflammatory compositions and methods
PFIZER32 citations91
US6558435B2May 6, 2003
Reactive crystallization method to improve particle size
PFIZER45 citations85
US5118703AJun 2, 1992
Prodrugs of antiinflammatory 3-acyl-2-oxindole-1-carboxamides
PFIZER10 citations73
US4994457AFeb 19, 1991
Antiinflammatory compositions and methods
PFIZER12 citations73
US4665194AMay 12, 1987
Process for making 2-oxindole-1-carboxamides and intermediates therefor
PFIZER7 citations73
US4419284ADec 6, 1983
Preparation of halomethyl esters (and related esters) of penicillanic acid 1,1-dioxide
PFIZER8 citations73
US4111958ASep 5, 1978
Ascorbic acid synthesis
PFIZER17 citations73
US4874757AOct 17, 1989
Antinflammatory compositions and methods
PFIZER9 citations72
US4579846AApr 1, 1986
Antiinflammatory compositions and methods
PFIZER6 citations72
US4564614AJan 14, 1986
Antiinflammatory methods
PFIZER11 citations72
US4559326ADec 17, 1985
Antiinflammatory compositions and methods
PFIZER7 citations72
US4652658AMar 24, 1987
Process for making 2-oxindole-1-carboxamides and intermediates therefor
PFIZER3 citations62
US4421924ADec 20, 1983
Ascorbic acid intermediates and their preparation
PFIZER4 citations62
US4283340AAug 11, 1981
Ascorbic acid intermediates
PFIZER2 citations62
US4180511ADec 25, 1979
Ascorbic acid process
PFIZER3 citations62
US4812455AMar 14, 1989
Antiinflammatory compositions and methods
PFIZER2 citations61
US4672061AJun 9, 1987
Antiinflammatory compositions and methods
PFIZER2 citations61
US4361513ANov 30, 1982
Esters of penicillanic acid sulfone
PFIZER2 citations59
US4321196AMar 23, 1982
Bis-esters of methanediol with acetonides of ampicillin or amoxicillin and penicillanic acid 1,1-dioxide
PFIZER0 citations51
US4232168ANov 4, 1980
Preparation of ascorbic acid intermediates
PFIZER1 citations51
US4474698AOct 2, 1984
Process for preparing esters of penicillanic acid sulfone
PFIZER0 citations48