Granted Patent
Utility
US 6,437,146 · App. 09/787,433
Oxazole compounds as prostaglandin e2 agonists or antagonists
Inventors:
Kouji Hattori, Akira Tanaka, Yutaka Kono, Shoko Nakazato
Patented Case
View Patent ↗
Granted: Aug 20, 2002
Filed: Apr 20, 2001
Inventors
Kouji Hattori
Akira Tanaka
Yutaka Kono
Shoko Nakazato
Assignee (at issue)
Fujisawa Pharmaceutical Co., 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.