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:
Mar. 09, 1982
Filed:
Nov. 06, 1978
Applicant:
Inventors:
Louis M Dvoracek, Brea, CA (US);
Paul W Fischer, Fullerton, CA (US);
Milan Skripek, Fullerton, CA (US);
Assignee:
Union Oil Company of California, Los Angeles, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
C01G / ;
U.S. Cl.
CPC ...
585-4 ; 252401 ; 252402 ; 252-83 ; 252 / ; 208 / ; 422-7 ; 585-5 ; 106 1442 ; 106 1443 ; 106 1431 ;
Abstract
Fouling of metallic surfaces contacted with petroleum oils at elevated temperatures is reduced by adding to the oil small amounts of an oil-soluble N-alkylamino-alkylbenzene sulfonate, a heterocyclic amine, and phenylhydrazine.