Granted Patent
Utility
US 4,626,411 · App. 06/724,230
Composition and method for deoxygenation
Inventors:
John J. Nemes, Harvey W. Thompson, John E. Waller
Patented Case
View Patent ↗
Granted: Dec 2, 1986
Filed: Apr 17, 1985
Inventors
John J. Nemes
Harvey W. Thompson
John E. Waller
Assignee (at issue)
Dearborn Chemical Company Limited
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.