Granted Patent
Utility
US 5,336,712 · App. 08/035,870
Process for making submicron stable latexes of block copolymers
Inventors:
David M. Austgen, Jr., Jeffrey G. Southwick
Patented Case
View Patent ↗
Granted: Aug 9, 1994
Filed: Mar 23, 1993
Inventors
David M. Austgen, Jr.
Jeffrey G. Southwick
Assignee (at issue)
SHELL 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.