Granted Patent
Utility
US 5,649,596 · App. 08/607,861
Use of breaker chemicals in gelled hydrocarbons
Inventors:
C. Kerry Jones, R. D. Lundberg, F. Malekahmadi
Patented Case
View Patent ↗
Granted: Jul 22, 1997
Filed: Feb 27, 1996
Inventors
C. Kerry Jones
R. D. Lundberg
F. Malekahmadi
Assignee (at issue)
Nalco/Exxon Energy Chemicals, L.P.
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.