Patent ID: 7897663

Claim:
A clarifying agent composition comprising a diacetal powder and the diacetal having the general structure formula (I), (II), (III), (IV) or (V), wherein R 1 and R 2 are independently selected from the group consisting of H, C 1 -C 4 alkyl, C 1 -C 4 carbalkoxy, F, Cl, and Br; a is 0, 1, 2 or 3; b is 0, 1, 2 or 3 and n is 0 or 1; and an organosilane treated fume silica having a pH value of 5.5 to 8, measured in a 4% w/w dispersion in 1:1 mixture of water-methanol, being dispersed in the diacetal powder and being 0.05˜50% by weight of the weight of the clarifying agent composition.