Granted Patent
Utility
US 6,465,685 · App. 09/718,125
Method for oxidation of xylene derivatives
Inventors:
Peter D. Phelps, Donald Frank Rohr, Sheree Lynell Schattenmann
Patented Case
View Patent ↗
Granted: Oct 15, 2002
Filed: Nov 20, 2000
Inventors
Peter D. Phelps
Donald Frank Rohr
Sheree Lynell Schattenmann
Assignee (at issue)
General Electric 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.