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. 29, 2017
Filed:
Sep. 27, 2005
Yuen May Choo, Selangor Darul Ehsan, MY;
Sit Foon Cheng, Selangor Darul Ehsan, MY;
Ah Ngan MA, Selangor Darul Ehsan, MY;
Yusof Basiron, Selangor Darul Ehsan, MY;
Yuen May Choo, Selangor Darul Ehsan, MY;
Sit Foon Cheng, Selangor Darul Ehsan, MY;
Ah Ngan Ma, Selangor Darul Ehsan, MY;
Yusof Basiron, Selangor Darul Ehsan, MY;
MALAYSIAN PALM OIL BOARD, Kajang, MY;
Abstract
A lubricity additive for fuels with sulphur content of not more than 0.05 wt % is described herein. The lubricity additive comprises a polyol ester or a mixture of polyol esters derived from C-Csaturated and/or unsaturated fatty acids. The polyol esters is produced by: i) esterification of a C-Csaturated or unsaturated fatty acids, or a mixture thereof, with a polyhydric alcohol; ii) transesterification of an oil or a mixture of oils, with fatty acid composition comprising C-Csaturated and/or unsaturated fatty acids, with a polyhydric alcohol. The preferred fatty acids are unsaturated Cfatty acids, more particularly, oleic acid whereas the preferred polyhydric alcohol is neopolyol, more particularly, trimethylol propane and its isomers. A fuel composition comprising a major amount of fuel with sulphur content of not more than 0.05 wt % and a minor amount of the lubricity additive is also described herein. The amount of the lubricity additive is not more than 0.1 wt %.