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:
Sep. 20, 1983
Filed:
Oct. 30, 1981
Applicant:
Inventors:
Donald M Fenton, Anaheim, CA (US);
Dennis D Delaney, Placentia, CA (US);
Frank W Stechmeyer, Irvine, CA (US);
Assignee:
Union Oil Company of California, Los Angeles, CA (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C10L / ; F17D / ; F17D / ; C10G / ;
U.S. Cl.
CPC ...
585 13 ; 208236 ; 208289 ; 208370 ; 44 52 ; 44 72 ; 137 13 ;
Abstract
A composition and method for reducing the pour point of syncrude, such as those from oil shale, tar sands, oil-impregnated diatomite ore, or coal, by adding thereto an effective amount of a nitrogen-containing compound such as ammonia, ammonium hydroxide or a primary, secondary or tertiary water-soluble aliphatic amine or alkanolamine having one or more alkyl groups containing 1 to 4 carbon atoms.