Patent ID: 7560484

Claim:
An adjuvant consisting of (i) 9,12,13-trihydroxy-10E-octadecenoic acid or a derivative thereof represented by any one of the formulae (I) or (III); wherein R 1 is a hydroxyl group, or an oxygen, sulfur, or nitrogen atom substituted with one or two alkyl or aryl groups; and R 2 , R 3 , and R 4 may be identical or different and each represents hydrogen, an alkyl group, or an acyl group; or wherein R 1 is a hydroxyl group, or an oxygen, sulfur, or nitrogen atom substituted with one or two alkyl or aryl groups; and R 2 , R 3 , and R 4 may be identical or different and each represents hydrogen, an alkyl group, or an acyl group, and (ii) a pharmaceutically acceptable carrier.