Granted Patent
Utility
US 4,604,464 · App. 06/636,633
Immunomodulatory 3-(substituted aminobenzoyl)-3,4-dihydrophthalazin-1(2H)-ones
Inventor:
Robert J. Murray
Patented Case
View Patent ↗
Granted: Aug 5, 1986
Filed: Aug 1, 1984
Inventor
Robert J. Murray
Assignee (at issue)
Pennwalt Corporation
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.