Granted Patent
Utility
US 4,898,724 · App. 07/050,263
Organis amine phosphonic acid complexes for the treatment of calcific tumors
Inventors:
Jaime Simon, David A. Wilson, Wynn A. Volkert, David E. Troutner, William F. Goeckeler
Patented Case
View Patent ↗
Granted: Feb 6, 1990
Filed: May 14, 1987
Inventors
Jaime Simon
David A. Wilson
Wynn A. Volkert
David E. Troutner
William F. Goeckeler
Assignee (at issue)
THE DOW CHEMICAL COMPANY
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.