Granted Patent
Utility
US 6,320,052 · App. 09/274,062
Process for the preparation of leukotriene antagonists
Inventors:
Mahadevan Bhupathy, Daniel R. Sidler, James M. McNamara, Ralph P. Volante, James Bergan
Patented Case
View Patent ↗
Granted: Nov 20, 2001
Filed: Mar 22, 1999
Inventors
Mahadevan Bhupathy
Daniel R. Sidler
James M. McNamara
Ralph P. Volante
James Bergan
Assignee (at issue)
MERCK & CO., INC.
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.