Granted Patent
Utility
US 4,284,637 · App. 06/080,215
Pharmaceutically active 2-(4-aminobutoxy)stilbenes
Inventors:
Ryoji Kikumoto, Akihiro Tobe, Harukazu Fukami, Kunihiro Ninomiya, Mitsuo Egawa
Patented Case
View Patent ↗
Granted: Aug 18, 1981
Filed: Oct 1, 1979
Inventors
Ryoji Kikumoto
Akihiro Tobe
Harukazu Fukami
Kunihiro Ninomiya
Mitsuo Egawa
Assignee (at issue)
Mitsubishi Chemical Inds. 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.