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:
Aug. 30, 1977
Filed:
Sep. 22, 1975
Applicant:
Inventors:
Paul W Fischer, Whittier, CA (US);
John W Scheffel, Fullerton, CA (US);
Assignee:
Union Oil Company of California, Brea, CA (US);
Primary Examiner:
Int. Cl.
CPC ...
E21B / ; C09K / ;
U.S. Cl.
CPC ...
252-83 ; 166304 ; 252 / ;
Abstract
A method for inhibiting the deposition of wax onto a solid surface from wax-containing petroleum and other wax-containing oils in contact with such solid surface comprising adding to such oils a synergistic mixture of a copolymer of ethylene and a monoethylenically unsaturated ester and one or more fatty derivatives, such as a high molecular weight alcohol, a natural wax, or a fatty acid.