Patent ID: 8163290

Claim:
A method for enhancing immunogenicity of a compound, composition, or vaccine in a subject, the method comprising steps: (a) administering to the subject a compound, composition, or vaccine designed to stimulate a protective immune response, wherein the compound, composition, or vaccine, comprises an adjuvant, wherein the adjuvant comprises a compound represented by the structure of formula 1: wherein, R═COOR 1 or CH 2 OR 1 ; R 1 ═H or an alkyl group; R 2 ═H Or SO 3 − ; R 3 ═H or OH; R 3 ′═H or OH; R 4 and R 4 ′ are independently chosen from (a) H, (b) alkyl; (c) alkenyl; and (d) oxaalkyl; R 5 ═OH, acetamido or a halogen atom; or a pharmaceutically acceptable salt thereof, wherein if R═CH 2 OR 1 where R 1 is H, then R 2 ═SO 3 − , and wherein if R═CH 2 OR 1 , R 2 ═H, R 3 is OH and R 3 ′ is H, then R 5 =acetamido or a halogen atom.