Granted Patent
Utility
US 4,213,934 · App. 05/887,148
Use of phosphorylated oxyalkylated polyols in conjunction with sulfite and bisulfite oxygen scavengers
Inventors:
Thomas J. Bellos, James E. Davis
Patented Case
View Patent ↗
Granted: Jul 22, 1980
Filed: Mar 16, 1978
Inventors
Thomas J. Bellos
James E. Davis
Assignee (at issue)
Petrolite 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.