Granted Patent
Utility
US 4,777,302 · App. 07/079,407
Method for hydrogenating an aldehyde and/or a ketone
Inventors:
Junzo Haji, Ichiro Yokotake, Nobuyuki Murai, Toshihiro Kawakami
Patented Case
View Patent ↗
Granted: Oct 11, 1988
Filed: Jul 30, 1987
Inventors
Junzo Haji
Ichiro Yokotake
Nobuyuki Murai
Toshihiro Kawakami
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.