Granted Patent
Utility
US 4,526,984 · App. 06/665,905
Autoxidation of alkyl-substituted aromatic ethers
Inventor:
Visweswara R. Durvasula
Patented Case
View Patent ↗
Granted: Jul 2, 1985
Filed: Oct 29, 1984
Inventor
Visweswara R. Durvasula
Assignee (at issue)
The Upjohn Co.
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.