Granted Patent
Utility
US 6,063,347 · App. 09/112,883
Inhibition of pyrophoric iron sulfide activity
Inventors:
Paul V. Roling, Quincy K. A. Sintim
Patented Case
View Patent ↗
Granted: May 16, 2000
Filed: Jul 9, 1998
Inventors
Paul V. Roling
Quincy K. A. Sintim
Assignee (at issue)
Betzdearborn, Inc.
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.