Granted Patent
Utility
US 6,452,022 · App. 10/005,547
Method for preparing substituted 4-phenyl-4-cyanocyclohexanoic acids
Inventors:
Kevin Webb, Wilford L. Mendelson, Jianhao Chen
Patented Case
View Patent ↗
Granted: Sep 17, 2002
Filed: Nov 8, 2001
Inventors
Kevin Webb
Wilford L. Mendelson
Jianhao Chen
Assignee (at issue)
SmithKline Beecham Limited
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.