PH

Philip D. Hammen

Pfizer: 5 patents #1,037 of 5,153Top 25%
Overall (All Time): #1,040,708 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
6825327 Process for preparing 4″-substituted-9-deoxo-9a-aza-9a-homoerythromycin a derivatives Constantine Sklavounos, John Tucker, Lulin Wei, Kerry P. Mahon, Joanna Teresa Negri +1 more 2004-11-30
6410750 Processes and intermediates for preparing 3(S)-[(5-chloro-1H-indole-2-carbonyl)-amino]-2(R)-hydroxy-4-phenyl-butyric acid Keith M. DeVries, Darrell E. Fox, Dennis J. Hoover, Jeffrey Byron Jorgensen 2002-06-25
6013808 Method of purifying carbazole ester precursors of 6-chloro-.alpha.-methyl-carbazole-2-acetic acid Peter R. Rose, John Tucker, Keith M. DeVries, Diane M. Rescek 2000-01-11
5081118 Benzothiazine dioxide derivatives Andrew Braisted 1992-01-14
4431828 Regeneration of 6-fluoro-4-chromanone from by-products in the synthesis of sorbinil Berkeley W. Cue, Jr., Stephen S. Massett 1984-02-14