Granted Patent
Utility
US 5,225,588 · App. 07/829,712
Process for alkylating salicylates with polyalphaolefin
Inventors:
K. Pushpananda A. Senaratne, Patrick S. Bynum
Patented Case
View Patent ↗
Granted: Jul 6, 1993
Filed: Feb 3, 1992
Inventors
K. Pushpananda A. Senaratne
Patrick S. Bynum
Assignee (at issue)
Ethyl Corporation
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.