Granted Patent
Utility
US 4,425,458 · App. 06/366,960
Polyguerbet alcohol esters
Inventors:
Robert A. Lindner, Anthony J. O'Lenick, Jr.
Patented Case
View Patent ↗
Granted: Jan 10, 1984
Filed: Apr 9, 1982
Inventors
Robert A. Lindner
Anthony J. O'Lenick, Jr.
Assignee (at issue)
Henkel Limited
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.