Granted Patent
Utility
US 4,400,547 · App. 06/252,753
Hydroformylation process utilizing an unmodified rhodium catalyst and the stabilization and regeneration thereof
Inventors:
John L. Dawes, Thomas J. Devon
Patented Case
View Patent ↗
Granted: Aug 23, 1983
Filed: Apr 10, 1981
Inventors
John L. Dawes
Thomas J. Devon
Assignee (at issue)
EASTMAN KODAK COMPANY
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.