C - Chemistry – Metallurgy – 10 – M
Patent
C - Chemistry, Metallurgy
10
M
C10M 129/60 (2006.01) C10M 177/00 (2006.01)
Patent
CA 2639663
Methods of producing lubricity additives and lubricity additives are disclosed. The methods of producing lubricity additives include removing sulfur from a tall oil fatty acid to a level of about 25 ppm or less and fractionally crystallizing the tall oil fatty acid to produce a lubricity additive which does not form crystals at temperatures as low as about -20 °F. The sulfur may be removed prior to or after fractionally crystallizing the tall oil fatty acid. Methods of improving the lubricity of a fuel are also disclosed.
Afton Chemical Corporation
Macrae & Co.
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