Granted Patent
Utility
US 5,852,055 · App. 08/620,815
Pharmaceutical compositions comprising paracetamol and L-cysteine or a precursor thereof
Inventor:
Roger Jones
Patented Case
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Granted: Dec 22, 1998
Filed: Mar 25, 1996
Inventor
Roger Jones
Assignee (at issue)
BTG INTERNATIONAL INC.
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.