Granted Patent
Utility
US 4,602,009 · App. 06/645,100
Corticoid derivatives and process for production thereof
Inventors:
Issei Nitta, Akira Maruyama, Kenichiro Nakao, Motoyoshi Miyake, Hiroaki Ueno
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Aug 28, 1984
Inventors
Issei Nitta
Akira Maruyama
Kenichiro Nakao
Motoyoshi Miyake
Hiroaki Ueno
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.