US2020095514A1PendingUtilityA1

Compositions Containing Diesel and Fatty Acid Methyl Ester/Maleic Anhydride/Esters (FAME/MA/Esters) and the Use of FAME/MA/Esters to Improve the Lubricity of Diesel

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Assignee: US AGRICULTUREPriority: Sep 20, 2018Filed: Sep 10, 2019Published: Mar 26, 2020
Est. expirySep 20, 2038(~12.2 yrs left)· nominal 20-yr term from priority
Inventors:Zengshe LiuGerhard H. KnotheJing Li
C10L 1/1915C10L 2270/026C10L 10/08C10L 2200/0446C10L 1/1905C10L 2200/0476C10L 2200/0263
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Abstract

A composition containing diesel (e.g., containing less than about 15 ppm sulfur) and fatty acid methyl ester/maleic anhydride/esters (FAME/MA/esters), wherein the FAME/MA/esters are prepared by a method involving reacting FAME with MA to form FAME/MA and reacting FAME/MA with alkyl alcohol to form FAME/MA/esters; wherein the FAME is conjugated. The FAME/MA/esters are produced from tung oil or from plant oils in which the unsaturated fatty acids have been converted to conjugated fatty acids. Also a method of improving the lubricity of diesel, involving combining diesel and FAME/MA/esters, wherein the FAME/MA/esters are prepared by a method involving reacting FAME with MA to form FAME/MA and reacting FAME/MA with alkyl alcohol to form FAME/MA/esters; wherein the FAME is conjugated.

Claims

exact text as granted — not AI-modified
We claim: 
     
         1 . A composition comprising diesel and FAME/MA/esters, wherein said FAME/MA/esters are prepared by a method comprising reacting FAME with MA to form FAME/MA and reacting FAME/MA with alkyl alcohol to form FAME/MA/esters; wherein said FAME is conjugated. 
     
     
         2 . The composition according to  claim 1 , wherein said diesel contains less than about 15 ppm sulfur. 
     
     
         3 . The composition according to  claim 1 , wherein said FAME/MA/esters are produced from tung oil. 
     
     
         4 . The composition according to  claim 1 , wherein said FAME/MA/esters are produced from plant oils in which the unsaturated fatty acids have been converted to conjugated fatty acids. 
     
     
         5 . A method of improving the lubricity of diesel, said method comprising combining diesel and FAME/MA/esters, wherein said FAME/MA/esters are prepared by a method comprising reacting FAME with MA to form FAME/MA and reacting FAME/MA with alkyl alcohol to form FAME/MA/esters; wherein said FAME is conjugated. 
     
     
         6 . The method according to  claim 5 , wherein said diesel contains less than about 15 ppm sulfur.

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