Granted Patent
Utility
US 4,599,372 · App. 06/516,535
Self-inverting water-in-oil polymer emulsions having low pour point temperatures
Inventors:
Dinshaw F. Bardoliwalla, Reuben H. Grinstein
Patented Case
View Patent ↗
Granted: Jul 8, 1986
Filed: Jul 25, 1983
Inventors
Dinshaw F. Bardoliwalla
Reuben H. Grinstein
Assignee (at issue)
Diamond Shamrock Chemicals Company
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.