Granted Patent
Utility
US 4,507,322 · App. 06/530,247
Pharmaceutical composition useful for improvement and/or treatment of mental symptoms caused by organic disorder in brain
Inventors:
Shizuo Kuriyama, Mikio Saitoh
Patented Case
View Patent ↗
Granted: Mar 26, 1985
Filed: Sep 8, 1983
Inventors
Shizuo Kuriyama
Mikio Saitoh
Assignees (at issue)
Eisai Inc.
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.