Granted Patent
Utility
US 5,202,472 · App. 07/716,012
Asymmetric hydrogenation of aromatic-substituted olefins using organonickel catalyst
Inventors:
Thanikavelu Manimaran, W. Dirk Klobucar, Charles H. Kolich
Patented Case
View Patent ↗
Granted: Apr 13, 1993
Filed: Jun 17, 1991
Inventors
Thanikavelu Manimaran
W. Dirk Klobucar
Charles H. Kolich
Assignee (at issue)
Ethyl Corporation
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.