Granted Patent
Utility
US 4,528,403 · App. 06/535,783
Hydroformylation process for preparation of aldehydes and alcohols
Inventors:
Kazuo Tano, Keiichi Sato, Toru Okoshi
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Sep 26, 1983
Inventors
Kazuo Tano
Keiichi Sato
Toru Okoshi
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.