Granted Patent
Utility
US 5,332,580 · App. 07/982,155
Fumigation method employing an aqueous solution comprising a hexametaphosphate, a thiocarbonate, and a sulfide
Inventors:
Donald C. Young, James A. Green, II
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Nov 25, 1992
Inventors
Donald C. Young
James A. Green, II
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.