Granted Patent
Utility
US 4,692,502 · App. 06/872,065
Polymerization process for carboxyl containing polymers utilizing oil soluble ionic surface active agents
Inventors:
Curtis E. Uebele, Lawrence E. Ball, Richard J. Jorkasky, II, Eddie Wardlow, Jr.
Patented Case
View Patent ↗
Granted: Sep 8, 1987
Filed: Jun 9, 1986
Inventors
Curtis E. Uebele
Lawrence E. Ball
Richard J. Jorkasky, II
Eddie Wardlow, Jr.
Assignee (at issue)
The Standard Oil 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.