Granted Patent
Utility
US 4,343,747 · App. 06/213,676
Preparation of quaternary ammonium thiomolybdates
Inventors:
Yumi P. Ryu, Gary M. Singerman, James R. Anglin
Patented Case
View Patent ↗
Granted: Aug 10, 1982
Filed: Dec 5, 1980
Inventors
Yumi P. Ryu
Gary M. Singerman
James R. Anglin
Assignee (at issue)
Gulf Research & Development 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.