Granted Patent
Utility
US 6,486,142 · App. 09/745,211
Phosphonic acid derivatives as inhibitors of protein tyrosine phosphatase 1B (PTP-1B)
Inventors:
Yves LeBlanc, Claude Dufresne, Jacques Yves Gauthier, Cheuk K. Lau, Chun Sing Li, Patrick Roy, Michel Therien, John Scheigetz, Zhaoyin Wang
Patented Case
View Patent ↗
Granted: Nov 26, 2002
Filed: Dec 21, 2000
Inventors
Yves LeBlanc
Claude Dufresne
Jacques Yves Gauthier
Cheuk K. Lau
Chun Sing Li
Patrick Roy
Michel Therien
John Scheigetz
Zhaoyin Wang
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.