Patent ID: 6409778
Filing Date: 2002-06-25
Classification: C08F,C10L,Y02E

Abstract:
A biodiesel composition comprising:i) a biofuel fatty acid ester of monohydric alcohols as a base fuel; and ii) 0.005 to 5 wt. % of a copolymer comprising the following monomer components: a) 48 to 98 wt % of compounds of formula I â€ƒwhere: R1=H or CH3 R2 =alkyl with a chain length of 8 to 30, which can also be branched; b) 2 to 30 wt % of one or more oxygen-containing compounds of formula II â€ƒwhere: R1=the same meanings as in formula I R3=H or CH3 R4=H or CH3 R5=H or an alkyl group with 1 to 20 carbon atoms, which can also be branched, or alkyl group with 1 to 20 carbon atoms substituted by one or more aryl groups n=a number between 1 and 30 as well as c) optionally 0 to 30 wt % of a methacrylate of formula III â€ƒwhere: R5=C1 to C4 alkyl or styrene, the proportions of a) to c) adding up to 100 wt %.