Inventor
VALENTINE JR DONALD
US8 patents
⚠️ This page may combine multiple inventors who share the name “VALENTINE JR DONALD”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
HOFFMANN LA ROCHE
5 patentsUS4316847AFeb 23, 1982
Pyrroles and pyrrolidines
HOFFMANN LA ROCHE41 citations91
US4343741AAug 10, 1982
Chiral phosphines
HOFFMANN LA ROCHE18 citations80
US4073795AFeb 14, 1978
Synthesis of tryptophans
HOFFMANN LA ROCHE16 citations80
US4256641AMar 17, 1981
Novel syntheses of tryptophans
HOFFMANN LA ROCHE18 citations72
US4140697AFeb 20, 1979
Lower alkyl esters of α-formamido,α-carbalkoxy tryptophans
HOFFMANN LA ROCHE8 citations72
AMERICAN CYANAMID CO
3 patentsUS4857655AAug 15, 1989
Process for making alkyl arsine compounds
AMERICAN CYANAMID CO9 citations72
US4920068AApr 24, 1990
Metalorganic vapor phase epitaxial growth of group II-VI semiconductor materials
AMERICAN CYANAMID CO2 citations62
US5003093AMar 26, 1991
Process for making alkyl arsine compounds
AMERICAN CYANAMID CO4 citations61