Granted Patent
Utility
US 5,284,576 · App. 08/031,062
Method of scavenging hydrogen sulfide from hydrocarbons
Inventors:
Jerry J. Weers, Timothy J. O'Brien
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Mar 12, 1993
Inventors
Jerry J. Weers
Timothy J. O'Brien
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.