Granted Patent
Utility
US 6,818,773 · App. 10/269,822
Synthesis of 4-[(Z)-4-bromophenyl)(ethoxyimino) methyl]-1'-[(2,4-dimethyl-1-oxido-3-pyridinyl)carbony)]-4'-methyl-1,4-′bipiperidine
Inventors:
Minzhang Chen, Bosco D'Sa, William W. Leong, Tong Gan, George S. K. Wong, Suhan Tang, Christopher Nielsen
Patented Case
View Patent ↗
Granted: Nov 16, 2004
Filed: Oct 11, 2002
Inventors
Minzhang Chen
Bosco D'Sa
William W. Leong
Tong Gan
George S. K. Wong
Suhan Tang
Christopher Nielsen
Assignee (at issue)
SCHERING CORPORATION
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.