Granted Patent
Utility
US 4,661,521 · App. 06/884,911
Direct tableting acetaminophen compositions
Inventors:
Anil Salpekar, Larry E. Denton
Patented Case
View Patent ↗
Granted: Apr 28, 1987
Filed: Jul 14, 1986
Inventors
Anil Salpekar
Larry E. Denton
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.