Inventor
HAMMEN PHILIP D
11 patents
Patents
11 patentsUS4022836AMay 10, 1977
2-Aminomethyleneindanone analgesic agents
PFIZER15 citations78
US5081118AJan 14, 1992
Benzothiazine dioxide derivatives
PFIZER16 citations72
US4100347AJul 11, 1978
3,4-Dihydro-2-methyl-4-oxo-2H-1,2-benzothiazine-3-carboxylic acid-1,1-dioxide
PFIZER9 citations72
US4062844ADec 13, 1977
Process for preparing hypotensive 2-(4-aroylpiperazin-1-yl)-amino-6,7-dimethoxyquinazolines
PFIZER11 citations72
US4431828AFeb 14, 1984
Regeneration of 6-fluoro-4-chromanone from by-products in the synthesis of sorbinil
PFIZER9 citations71
US4117012ASep 26, 1978
2-aminomethyleneindanone analgesic agents
PFIZER9 citations70
US4064272ADec 20, 1977
2-Aminomethyleneindanone analgesic agents
PFIZER9 citations70
US4164514AAug 14, 1979
2-Aminomethyleneindanone analgesic agents
PFIZER10 citations65
US3950350AApr 13, 1976
Penam-dimethylsulfoxide complex
PFIZER2 citations60
US6013808AJan 11, 2000
Method of purifying carbazole ester precursors of 6-chloro-α-methyl-carbazole-2-acetic acid
PFIZER0 citations45
US6410750B1Jun 25, 2002
Processes and intermediates for preparing 3(S)-[(5-chloro-1H-indole-2-carbonyl)-amino]-2(R)-hydroxy-4-phenyl-butyric acid
PFIZER0 citations36