Granted Patent
Utility
US 5,187,135 · App. 07/716,017
Asymmetric hydrogenation of aromatic-substituted olefins using organo-cobalt catalyst
Inventors:
Charles H. Kolich, Thanikavelu Manimaran, W. Dirk Klobucar
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Jun 17, 1991
Inventors
Charles H. Kolich
Thanikavelu Manimaran
W. Dirk Klobucar
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.