Granted Patent
Utility
US 4,565,890 · App. 06/546,051
Process for the preparation of N-acetyl-P-aminophenol
Inventor:
Sharad S. Sathe
Patented Case
View Patent ↗
Granted: Jan 21, 1986
Filed: Oct 27, 1983
Inventor
Sharad S. Sathe
Assignee (at issue)
MALLINCKRODT LLC
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.