Granted Patent
Utility
US 5,260,490 · App. 07/960,897
Process for recovering rhodium from the reaction products of the oxo synthesis
Inventors:
Ingrid Forster, Klaus Mathieu
Patented Case
View Patent ↗
Granted: Nov 9, 1993
Filed: Oct 14, 1992
Inventors
Ingrid Forster
Klaus Mathieu
Assignee (at issue)
Hoechst 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.