Granted Patent
Utility
US 4,581,369 · App. 06/556,231
Imidazole derivatives
Inventors:
Mineo Tsuruda, Takanori Oe, Kazuyuki Kawasaki, Hiroshi Mikashima, Hiroshi Yasuda
Patented Case
View Patent ↗
Granted: Apr 8, 1986
Filed: Oct 31, 1983
Inventors
Mineo Tsuruda
Takanori Oe
Kazuyuki Kawasaki
Hiroshi Mikashima
Hiroshi Yasuda
Assignee (at issue)
Yoshitomi Pharmaceutical 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.