Granted Patent
Utility
US 5,614,101 · App. 08/502,227
Methods for treating mud wash emulsions
Inventors:
Jennifer A. DeWalls, Mark S. Binford
Patented Case
View Patent ↗
Granted: Mar 25, 1997
Filed: Jul 13, 1995
Inventors
Jennifer A. DeWalls
Mark S. Binford
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.