Granted Patent
Utility
US 5,173,306 · App. 07/722,835
Stabilized solid thiocarbonate
Inventors:
James A. Green, II, Donald C. Young
Patented Case
View Patent ↗
Granted: Dec 22, 1992
Filed: Jun 28, 1991
Inventors
James A. Green, II
Donald C. Young
Assignee (at issue)
Union Oil Company of California
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.