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.

Date of Patent:
Mar. 07, 1989

Filed:

Sep. 28, 1987
Applicant:
Inventor:

Louis M Dvoracek, Brea, CA (US);

Assignee:

Union Oil Company of California, Los Angeles, CA (US);

Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10M / ;
U.S. Cl.
CPC ...
252 35 ; 44 63 ; 44 68 ; 44 72 ; 252 325 ; 252 377 ; 252 427 ; 252 475 ;
Abstract

Fouling of metallic surfaces contacted with hydrocarbon oils at elevated temperatures is reduced by combining the oils with foulant-inhibiting amounts of thiadiazole compounds or triazole compounds, or aluminum compounds in combinations containing thiadiazole, triazole and acid compounds.


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