Patent ID: 7871536

Claim:
A composition, comprising: (a) one or more substituted or unsubstituted cyclic alkenes, and (b) an antioxidant composition comprising at least one compound of Formula (I), wherein R 1 through R 4 each independently is H, C 1 -C 8 linear alkyl, C 2 -C 8 unsaturated alkyl, C 3 -C 8 branched alkyl, C 3 -C 8 cyclic alkyl, C 1 -C 8 linear alkoxy, C 2 -C 8 unsaturated alkoxy, C 3 -C 8 branched alkoxy, C 3 -C 8 cyclic alkoxy or substituted or unsubstituted aryl, and the antioxidant composition is present in a concentration between about 1 ppm and about 200 ppm, provided that at least one of R 1 through R 4 is not H, and if one of R 1 through R 4 is t-butyl, at least one of the remaining R 1 through R 4 is not H.