Granted Patent
Utility
US 5,344,970 · App. 08/173,795
Hydrogenation of aromatic-substituted olefins using organometallic catalyst
Inventor:
Charles H. Kolich
Patented Case
View Patent ↗
Granted: Sep 6, 1994
Filed: Dec 22, 1993
Inventor
Charles H. Kolich
Assignee (at issue)
ALBEMARLE 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.