Granted Patent
Utility
US 4,717,664 · App. 06/766,672
Method for producing secondary metabolites of plants
Inventors:
Yasuhiro Hara, Chuzo Suga
Patented Case
View Patent ↗
Granted: Jan 5, 1988
Filed: Aug 16, 1985
Inventors
Yasuhiro Hara
Chuzo Suga
Assignee (at issue)
Mitsui Petrochemical 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.