Patent ID: 6858723

Claim:
Amphiphilic cyclodextrin derivative complying with the formula: wherein: R 1 represents a steroid, R 2 is selected from the group consisting of an alkyl group, an aryl group, an alkyl group having at least one substitution, and an aryl group having at least one substitution, wherein said substitution is a substituent group selected from the grout) consisting of a halogen atom, a hydroxyl, a carboxyl, and an amine, R 3 represents H or R 2 , all the R 4 represent OR 2 , or one of the R 4 represents —NHCO(CH 2 ) m CONHR 1 , and the other R 4 represent OR 2 provided that there is at least one glucose unit where R 4 represents OR 2 between the two glucose units comprising the substituent —NHCO—(CH 2 ) m —CONH—R 1 , m is an integer ranging from 1 to 8, and n is equal to 5, 6 or 7.