Granted Patent
Utility
US 4,631,284 · App. 06/755,743
Acetaminophen compositions containing low doses of chlorpheniramine maleate, method for preparing same and tablets formed therefrom
Inventors:
Anil Salpekar, John H. Johnson
Patented Case
View Patent ↗
Granted: Dec 23, 1986
Filed: Jul 16, 1985
Inventors
Anil Salpekar
John H. Johnson
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.