Granted Patent
Utility
US 5,068,412 · App. 07/422,796
(2R,3S,4S)-.alpha.-(carboxycyclopropyl)glycine
Inventors:
Yasufumi Ohfune, Keiko Shimamoto, Haruhiko Shinozaki, Michiko Ishida
Patented Case
View Patent ↗
Granted: Nov 26, 1991
Filed: Oct 17, 1989
Inventors
Yasufumi Ohfune
Keiko Shimamoto
Haruhiko Shinozaki
Michiko Ishida
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.