Granted Patent
Utility
US 5,604,120 · App. 08/517,792
Method for producing optically active endo-2-norborneols
Inventors:
Hitoshi Yano, Teruyo Sugiura, Yasuyuki Koizumi, Naoyuki Yoshida
Patented Case
View Patent ↗
Granted: Feb 18, 1997
Filed: Aug 22, 1995
Inventors
Hitoshi Yano
Teruyo Sugiura
Yasuyuki Koizumi
Naoyuki Yoshida
Assignee (at issue)
Chisso Corporation
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.