Granted Patent
Utility
US 5,621,099 · App. 08/586,638
Synthetic method of hymenialdisine and its derivatives and their synthetic intermediates, and those synthetic intermediates
Inventors:
Hirokazu Annoura, Toshio Tatsuoka
Patented Case
View Patent ↗
Granted: Apr 15, 1997
Filed: Jan 18, 1996
Inventors
Hirokazu Annoura
Toshio Tatsuoka
Assignee (at issue)
SUNTORY HOLDINGS LIMITED
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.