Granted Patent
Utility
US 4,613,701 · App. 06/777,648
Recovery of rhodium from hydroformylation reaction product
Inventor:
James Ringgold Strong
Patented Case
View Patent ↗
Granted: Sep 23, 1986
Filed: Sep 19, 1985
Inventor
James Ringgold Strong
Assignee (at issue)
Celanese GmbH
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.