Granted Patent
Utility
US 5,496,835 · App. 08/171,164
Heterocyclic compounds having angiotensin II antagonistic activity and use thereof
Inventors:
Keiji Kubo, Yoshiyuki Inada, Takehiko Naka
Patented Case
View Patent ↗
Granted: Mar 5, 1996
Filed: Dec 22, 1993
Inventors
Keiji Kubo
Yoshiyuki Inada
Takehiko Naka
Assignee (at issue)
Takeda Chemical Industries 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.