Granted Patent
Utility
US 6,448,255 · App. 09/965,957
Imidazo-isoquinolin-5-one derivatives, pyrimido-isoquinolin-6-one derivatives and imidazo-naphthyridin-5-one derivatives
Inventors:
Hassan M. Elokdah, Theodore S. Sulkowski, Sie-Yearl Chai, John Babiak
Patented Case
View Patent ↗
Granted: Sep 10, 2002
Filed: Sep 28, 2001
Inventors
Hassan M. Elokdah
Theodore S. Sulkowski
Sie-Yearl Chai
John Babiak
Assignee (at issue)
Wyeth, LLC
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.