Granted Patent
Utility
US 6,448,429 · App. 09/745,220
Protein tyrosine phosphatase 1B (PTP-1B) inhibitors containing two ortho-substituted aromatic phosphonates
Inventors:
Yves LeBlanc, Claude Dufresne, Jacques Yves Gauthier, Robert N. Young
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Dec 21, 2000
Inventors
Yves LeBlanc
Claude Dufresne
Jacques Yves Gauthier
Robert N. Young
Assignee (at issue)
Merck Frosst Canada Ltd.
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.