Granted Patent
Utility
US 5,235,085 · App. 07/911,826
Process for forming bis(pentaerythritol phosphate) carbonate
Inventors:
Jeffrey E. Telschow, Edward D. Weil
Patented Case
View Patent ↗
Granted: Aug 10, 1993
Filed: Jul 10, 1992
Inventors
Jeffrey E. Telschow
Edward D. Weil
Assignee (at issue)
Akzo 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.