Granted Patent
Utility
US 4,746,747 · App. 06/901,367
Anisole derivatives
Inventors:
Yoshiharu Morita, Naoshi Imaki, Hisao Takayanagi, Yuki Takuma, Tadashi Shirasaka
Patented Case
View Patent ↗
Granted: May 24, 1988
Filed: Aug 28, 1986
Inventors
Yoshiharu Morita
Naoshi Imaki
Hisao Takayanagi
Yuki Takuma
Tadashi Shirasaka
Assignee (at issue)
Mitsubishi 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.