Inventor
SHUMAN RICHARD F
US14 patents
⚠️ This page may combine multiple inventors who share the name “SHUMAN RICHARD F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MERCK & CO INC
12 patentsUS5039814AAug 13, 1991
Ortho-lithiation process for the synthesis of 2-substituted 1-(tetrazol-5-yl)benzenes
MERCK & CO INC35 citations92
US4510083AApr 9, 1985
Process for preparing polypeptides
MERCK & CO INC33 citations92
US3953490AApr 27, 1976
Preparation of (3-trifluoromethylphenoxy)(4-chlorophenyl)acetonitrile
MERCK & CO INC33 citations92
US5187278AFeb 16, 1993
Trialkylsilyl trifluoromethanesulfonate mediated α-methylenic carbon functionalization of 4-aza-5α-androstan-3-one steroids
MERCK & CO INC13 citations72
US3970693AJul 20, 1976
Process for preparing indene acetic acids
MERCK & CO INC7 citations72
US3944600AMar 16, 1976
Indenylidene-3-acetic acid process for preparing indene acetic acids
MERCK & CO INC6 citations72
US5091534AFeb 25, 1992
Trialkylsilyl trifluoromethanesulfonate mediated α-methylenic carbon functionalization of 4-AZA-5α-androstan-3-one steroids
MERCK & CO INC12 citations70
US5777105AJul 7, 1998
Process for the preparation of imidazolyl macrolide immunosuppressants
MERCK & CO INC3 citations62
US5120847AJun 9, 1992
Process for iodinating or brominating the α-methylenic carbon of a secondary amide
MERCK & CO INC5 citations62
US4880928ANov 14, 1989
Process for the preparation of 3-((4-bromo-2-fluorophenyl)methyl)-3,4-dihydro-4-oxo-1-phthalazine-acetic acid
MERCK & CO INC0 citations51
US4216317AAug 5, 1980
Process for preparing adenine
MERCK & CO INC1 citations51
US5693805ADec 2, 1997
Process to derivatives of piperizinylcamphorsulfonyl oxytocin antagonists
MERCK & CO INC1 citations46