P

Inventor

WONG YEE-SHING

US16 patents
⚠️ This page may combine multiple inventors who share the name “WONG YEE-SHING”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

SCHERING CORP

15 patents
US5886171AMar 23, 1999

3-hydroxy gamma-lactone based enantioselective synthesis of azetidinones

SCHERING CORP97 citations97
US5739321AApr 14, 1998

3-hydroxy γ-lactone based enantionselective synthesis of azetidinones

SCHERING CORP95 citations97
US6096883AAug 1, 2000

3-hydroxy gamma-lactone based enantioselective synthesis of azetidinones

SCHERING CORP40 citations92
US5760232AJun 2, 1998

Synthesis of intermediates useful in preparing bromo-substituted tricyclic compounds

SCHERING CORP45 citations92
US5998620ADec 7, 1999

Synthesis of intermediates useful in preparing tricyclic compounds

SCHERING CORP13 citations73
US6372909B1Apr 16, 2002

Synthesis of intermediates useful in preparing tricyclic compounds

SCHERING CORP6 citations70
US7582763B2Sep 1, 2009

Enantioselective process

SCHERING CORP0 citations51
US6750347B2Jun 15, 2004

Synthesis of intermediates useful in preparing tricyclic compounds

SCHERING CORP0 citations51
US6492519B2Dec 10, 2002

Synthesis of intermediates useful in preparing tricyclic compounds

SCHERING CORP1 citations51
US5053502AOct 1, 1991

Anhydro penicillin derivatives

SCHERING CORP1 citations51
US4876338AOct 24, 1989

Synthesis of azetidinones using CuCl

SCHERING CORP0 citations51
US4554103ANov 19, 1985

Preparation of 4-acyloxyazetidinones from acyl nitrates and penams

SCHERING CORP0 citations51
US7049440B2May 23, 2006

Enantioselective process

SCHERING CORP1 citations50
US6495689B2Dec 17, 2002

Synthesis of intermediates useful in preparing tricyclic compounds

SCHERING CORP0 citations48
US5461148AOct 24, 1995

Process for preparing benzazepine intermediates for the synthesis of D1 antagonists

SCHERING CORP0 citations41

SCHERING PLOUGH CORP

1 patent