Patent ID: 8178708

Claim:
A lipid compound of formula (I): wherein n=0, 1, or 2; R 1 and R 2 are the same or different and are chosen from a hydrogen atom, an alkyl group, a halogen atom, and an alkoxy group; X is chosen from COR 3 and CH 2 OR 4 , wherein R 3 is chosen from a hydrogen atom, a hydroxy group, an alkoxy group, and an amino group, wherein when R 3 is hydroxy, X is optionally a carboxylic acid derivative; and R 4 is chosen from a hydrogen atom, an alkyl group, and an acyl group; and Y is an unsubstituted C 9 to C 21 alkene with at least one double bond having either E or Z configuration, wherein R 1 and R 2 are not both a hydrogen atom.