| abstract |
Disclosed are polyester and oligoester compounds having a repeating unit represented by the formula n n n n -OC-A-COO-BO- (1) n n n wherein A is a 1,3:2,4-dibenzylidenesorbitol or 1,3:2,4-dibenzylidenexylitol residue of the formulan n wherein t is 1 or 0, and B is a residue formed by removal of two hydroxyl groups from a polyhydric alcohol, and an organic gelling agent comprising these compounds. |