Title: Inhibiting wax deposition from a wax-containing oil

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.

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Inventors: Fischer, Paul W. (Whittier, CA, US)
Scheffel, John W. (Fullerton, CA, US)

Application Number: 615837
Filing Date: 1975-09-22
Publication_date: 1977-08-30
Assignee: Union Oil Company of California (Brea, CA)
Primary Class(es): 507/90 166/304, 507/221, 507/224, 507/263, 507/265, 507/931
Other Classes:
US Patent Ref:

1861176	May, 1932	DeGroote	252/8.
2364222	Dec, 1944	Kaufman	252/8.
3481870	Dec, 1969	Cheng et al.	252/8.
3669189	Jun, 1972	Fischer	252/8.
3682249	Aug, 1972	Fischer et al.	166/304.
3735770	May, 1973	Day et al.	252/8.

Other Refs:
Primary Examiner: Guynn, Herbert B.
Assistant Examiner:
Attorney: Hartman; Richard C., Sandford; Dean, Floyd; Gerald L.