Granted Patent
Utility
US 4,220,603 · App. 05/943,621
Pharmaceutically active (omega-aminoalkoxy)bibenzyls
Inventors:
Ryoji Kikumoto, Kunihiro Ninomiya, Harukazu Fukami, Hiroto Hara
Patented Case
View Patent ↗
Granted: Sep 2, 1980
Filed: Sep 19, 1978
Inventors
Ryoji Kikumoto
Kunihiro Ninomiya
Harukazu Fukami
Hiroto Hara
Assignee (at issue)
Mitsubishi Chemical Industries, 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.