Granted Patent
Utility
US 4,157,392 · App. 05/897,803
Pharmacologically active substituted 1,2,4-triazines
Inventors:
James M. Gullo, William P. Heilman, Robert J. Wayner, Robert E. Moser
Patented Case
View Patent ↗
Granted: Jun 5, 1979
Filed: Apr 19, 1978
Inventors
James M. Gullo
William P. Heilman
Robert J. Wayner
Robert E. Moser
Assignee (at issue)
Diamond Shamrock 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.