Granted Patent
Utility
US 4,916,160 · App. 07/072,141
Anti-tumor promoter agents
Inventors:
Yoshiharu Morita, Koichiro Hirayama
Patented Case
View Patent ↗
Granted: Apr 10, 1990
Filed: Jul 10, 1987
Inventors
Yoshiharu Morita
Koichiro Hirayama
Assignee (at issue)
Mitsubishi Kasei Corporation
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.