Granted Patent
Utility
US 5,407,585 · App. 08/107,288
Method of demulsifying water-in-oil emulsions
Inventors:
Grahame N. Taylor, Richard Mgla
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Aug 16, 1993
Inventors
Grahame N. Taylor
Richard Mgla
Assignee (at issue)
Exxon Chemical Patents, 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.