The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 20, 1997
Filed:
May. 10, 1995
Applicant:
Inventors:
Elizabeth Babaian-Kibala, Fulshear, TX (US);
John G Hyatt, Missouri City, TX (US);
Theodore J Rose, Moores Town, NJ (US);
Assignee:
Nalco/Exxon Energy Chemicals, L.P., Sugarland, TX (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C23F / ; C23F / ;
U.S. Cl.
CPC ...
25238923 ; 252395 ; 422-7 ; 208 47 ; 585950 ;
Abstract
The invention comprises a method of inhibiting naphthenic acid corrosion in a high temperature hydrocarbon system, comprising adding to the system a corrosion-inhibiting amount of a phosphate ester and a corrosion-inhibiting amount of organic polysulfide.