Granted Patent
Utility
US 5,773,665 · App. 08/683,593
Hydroformylation process with separation and recycle of active rhodium catalyst
Inventors:
Gary S. Silverman, Paul Mercando
Patented Case
View Patent ↗
Granted: Jun 30, 1998
Filed: Jul 15, 1996
Inventors
Gary S. Silverman
Paul Mercando
Assignee (at issue)
Elf Atochem North America, Inc.
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.