Granted Patent
Utility
US 5,432,279 · App. 08/055,788
Process for the preparation of binary indole alkaloids
Inventors:
Naoya Sakamoto, Hiroaki Tan, Eiichirou Hata, Noriaki Kihara
Patented Case
View Patent ↗
Granted: Jul 11, 1995
Filed: May 3, 1993
Inventors
Naoya Sakamoto
Hiroaki Tan
Eiichirou Hata
Noriaki Kihara
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.