Granted Patent
Utility
US 5,240,469 · App. 07/874,790
Antifoulant composition comprising an acrylate ester containing C.sub.4 -C.sub.22 alcohol esters and amino alcohol esters and phenylene diamine
Inventor:
Michael K. Poindexter
Patented Case
View Patent ↗
Granted: Aug 31, 1993
Filed: Apr 27, 1992
Inventor
Michael K. Poindexter
Assignee (at issue)
Nalco Chemical Company
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.