IP Library › Granted Patent US 5,779,881
Granted Patent Utility
US 5,779,881 · App. 08/778,995

Phosphonate/thiophosphonate coking inhibitors

Inventors: Youdong Tong, Michael K. Poindexter
Patented Case View Patent ↗
Granted: Jul 14, 1998 Filed: Jan 6, 1997
Inventors
Youdong Tong
Michael K. Poindexter
Assignee (at issue)
Nalco/Exxon Energy Chemicals, L.P.

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Quick Facts
Patent No.
US 5,779,881
App. No.
08/778,995
Filed
1997-01-06
Granted
1998-07-14
Kind
A