FUELS DERIVED FROM ANIMAL OR VEGETABLE OIL SOURCES
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United States of America
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Issued Date -
Dec 30, 2021
app pub date -
Aug 25, 2021
filing date -
Aug 25, 2021
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Abstract
There is provided a method of providing an improved biofuel, by the presence of an additive which is the reaction product of (i) a compound containing the segment —NR1R2 where R1 represents a group containing from 4 to 44 carbon atoms and R2 represents a hydrogen atom or a group R1 (for example di-hydrogenated tallow amine) and (ii) a carboxylic acid having from 1 to 4 carboxylic acid groups or an acid anhydride or acid chloride thereof (for example phthalic acid or phthalic anhydride). The additives described combat problems arising from precipitation at temperatures above the cloud point.
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