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:
Oct. 19, 1982
Filed:
Jul. 27, 1981
Applicant:
Inventors:
Herbert J Pitman, Nederland, TX (US);
Charles W Harrison, Houston, TX (US);
Assignee:
Texaco Inc., White Plains, NY (US);
Primary Examiner:
Int. Cl.
CPC ...
C10G / ; C10G / ;
U.S. Cl.
CPC ...
208 33 ;
Abstract
An improved method for solvent dewaxing oils in which a portion of the oil-solvent mixture is chilled to a temperature above its cloud point and a further portion is chilled to a temperature below its cloud point, the portions are combined to produce a mixture substantially at the cloud point, and the combined mixture further cooled to dewaxing temperature at which wax crystals are separated from the solvent and refined oil.