Granted Patent
Utility
US 4,454,119 · App. 06/278,712
Therapeutic agents
Inventor:
Kazue Fukushi
Patented Case
View Patent ↗
Granted: Jun 12, 1984
Filed: Jun 29, 1981
Inventor
Kazue Fukushi
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.