Granted Patent
Utility
US 5,919,959 · App. 09/099,806
Guerbet branched amine oxides
Inventor:
Anthony J. O'Lenick, Jr.
Patented Case
View Patent ↗
Granted: Jul 6, 1999
Filed: Jun 18, 1998
Inventor
Anthony J. O'Lenick, Jr.
Assignee (at issue)
Lambent Tech Inc
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.