Granted Patent
Utility
US 6,018,063 · App. 09/191,907
Biodegradable oleic estolide ester base stocks and lubricants
Inventors:
Terry Isbell, Thomas P. Abbott, Svajus Asadauskas, Joseph E. Lohr, Jr.
Patented Case
View Patent ↗
Granted: Jan 25, 2000
Filed: Nov 13, 1998
Inventors
Terry Isbell
Thomas P. Abbott
Svajus Asadauskas
Joseph E. Lohr, Jr.
Assignee (at issue)
The United States of America, as represented by the Secretary of Agriculture
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.