Granted Patent
Utility
US 5,977,111 · App. 08/667,713
Thiopyran derivatives
Inventors:
Akira Mizuno, Makoto Shibata, Tomoe Iwamori, Norio Inomata
Patented Case
View Patent ↗
Granted: Nov 2, 1999
Filed: Jun 21, 1996
Inventors
Akira Mizuno
Makoto Shibata
Tomoe Iwamori
Norio Inomata
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.