Inventor
SING YUEN-LUNG L
US21 patents
⚠️ This page may combine multiple inventors who share the name “SING YUEN-LUNG L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
SEARLE & CO
11 patentsUS5981744ANov 9, 1999
Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO38 citations95
US6180780B1Jan 30, 2001
Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO10 citations81
US6887991B1May 3, 2005
Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein
SEARLE & CO8 citations73
US6630587B2Oct 7, 2003
Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO3 citations73
US6610844B2Aug 26, 2003
Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO11 citations73
US6331622B1Dec 18, 2001
Processes for preparation of 9, 11-epoxy steroids and intermediates useful therein
SEARLE & CO6 citations73
US6953851B2Oct 11, 2005
Processes for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO1 citations62
US6586591B2Jul 1, 2003
Process for preparation of 9,11-epoxy steroids and intermediates useful therein
SEARLE & CO1 citations62
US6335441B1Jan 1, 2002
5β-cyano-substituted steroid compounds
SEARLE & CO2 citations62
US7038040B2May 2, 2006
Process for preparation of 9, 11-epoxy steroids and intermediates useful therein
SEARLE & CO0 citations51
US6258946B1Jul 10, 2001
Keto-Substituted Steroid Compounds
SEARLE & CO0 citations51
MONSANTO CO
6 patentsUS5219824AJun 15, 1993
Substituted 2,6-substituted pyridine compounds useful as herbicides
MONSANTO CO16 citations82
US5260262ANov 9, 1993
Substituted pyridine compounds having herbicidal activity
MONSANTO CO16 citations81
US4988384AJan 29, 1991
Penta-substituted pyridine compounds, herbicidal compositions and herbicidal method of use
MONSANTO CO16 citations74
US5100461AMar 31, 1992
Substituted 2,6-substituted pyridine compounds having herbicidal activity
MONSANTO CO4 citations63
US4826532AMay 2, 1989
Substituted 2,6-substituted pyridine compounds
MONSANTO CO4 citations62
US5298479AMar 29, 1994
Substituted pyridine compounds which have herbicidal utility
MONSANTO CO0 citations51