Granted Patent
Utility
US 4,317,927 · App. 06/187,020
Process for the catalytic conversion of olefinically unsaturated aldehydes to their corresponding acids
Inventors:
Charles A. Dalton, William E. Slinkard
Patented Case
View Patent ↗
Granted: Mar 2, 1982
Filed: Sep 15, 1980
Inventors
Charles A. Dalton
William E. Slinkard
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.