Granted Patent
Utility
US 4,824,612 · App. 07/129,578
Process for oxidizing secondary aromatic alcohols
Inventors:
Werner Rutsch, Mario Slongo
Patented Case
View Patent ↗
Granted: Apr 25, 1989
Filed: Dec 7, 1987
Inventors
Werner Rutsch
Mario Slongo
Assignee (at issue)
Ciba-Geigy
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.