Granted Patent
Utility
US 5,536,862 · App. 08/438,151
Pentaerythritol phosphate alcohol-containing phosphonate and phosphite compounds
Inventor:
Jeffrey E. Telschow
Patented Case
View Patent ↗
Granted: Jul 16, 1996
Filed: May 9, 1995
Inventor
Jeffrey E. Telschow
Assignee (at issue)
AKZO NOBEL N.V.
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.