Granted Patent
Utility
US 4,339,580 · App. 06/157,341
Piperazinylalkoxyindanes and acid addition salts thereof
Inventors:
Ryoji Kikumoto, Akihiro Tobe, Harukazu Fukami, Mitsuo Egawa
Patented Case
View Patent ↗
Granted: Jul 13, 1982
Filed: Jun 9, 1980
Inventors
Ryoji Kikumoto
Akihiro Tobe
Harukazu Fukami
Mitsuo Egawa
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.