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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.:

US 9677013 B1

PDFFull Text
Date of Patent:
Jun. 13, 2017

Filed:

Mar. 07, 2014

Method for producing base lubricating oil from oils recovered from combustion engine service

Applicant:

Png Gold Corporation, Vancouver, CA;

Inventor:

Martin R. MacDonald, Plano, TX (US);

Assignee:

PNG Gold Corporation, West Vancouver, CA;

Attorney:

MBM Intellectual Property Law LLP

Primary Examiner:

Randy Boyer

Int. Cl.
CPC ...
C10G 67/04 (2006.01); C10G 53/04 (2006.01); C07C 5/02 (2006.01); C07C 7/00 (2006.01); C10G 21/16 (2006.01); C10G 21/18 (2006.01); C10G 21/20 (2006.01); C10G 21/24 (2006.01); C10G 45/04 (2006.01); C10G 67/14 (2006.01); C10G 21/02 (2006.01); C10G 7/00 (2006.01); C10G 21/00 (2006.01);
U.S. Cl.
CPC ...
C10G 53/04 (2013.01); C07C 5/02 (2013.01); C07C 7/005 (2013.01); C10G 7/00 (2013.01); C10G 7/003 (2013.01); C10G 7/006 (2013.01); C10G 21/006 (2013.01); C10G 21/02 (2013.01); C10G 21/16 (2013.01); C10G 21/18 (2013.01); C10G 21/20 (2013.01); C10G 21/24 (2013.01); C10G 45/04 (2013.01); C10G 67/04 (2013.01); C10G 67/14 (2013.01); C10G 2300/1007 (2013.01);
Abstract

A method for producing ILSAC GF5 or higher compatible oils from used oil, comprising separating material having a boiling point less than about 350° F. from recovered oil to produce de-volatized oil fraction and light oil fraction. Separating material with a boiling point greater than about 350° F. and less than about 650° F. from the de-volatized oil fraction to produce fuel oil fraction and heavy oil fraction. Separating material with a boiling point greater than about 1200° F. from the heavy oil fraction to produce partially purified oil fraction and residual fraction. Treating the partially purified oil fraction to separate it into purified oil fraction and contaminant fraction. Hydrogenating the contaminant fraction to remove predetermined compounds, further saturating the fraction and thereby creating a saturated oil fraction. Fractionating the saturated oil stream to produce one or more of naphtha fraction, diesel oil fraction and base oil fraction.

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