Granted Patent
Utility
US 4,061,776 · App. 05/742,877
Pharmaceutically active 2-omega-aminoalkoxydiphenyl ethers
Inventors:
Ryoji Kikumoto, Akihiro Tobe, Hidenobu Ikoma
Patented Case
View Patent ↗
Granted: Dec 6, 1977
Filed: Nov 18, 1976
Inventors
Ryoji Kikumoto
Akihiro Tobe
Hidenobu Ikoma
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.