Patent ID: 8142864

Claim:
Cellulose ester pellets containing cellulose ester and at least one combination selected from combination A, combination B and combination C, the cellulose ester pellets containing the at least one combination in an amount of from 0.001 to 1.00% by weight based on the cellulose ester, wherein the combination A is a combination of a compound represented by formula (1) and a compound represented by formula (2), the combination B is a combination of a compound represented by formula (3) and a compound represented by formula (4), and the combination C is a combination of a compound represented by formula (5) and a compound represented by formula (6), wherein R 1 and R 2 independently represent an alkyl group, a cycloalkyl group or an aryl group; and R 3 represents an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group or an aryloxy group, wherein R 1 and R 2 independently represent an alkyl group, a cycloalkyl group or an aryl group; and R 3 represents an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group or an aryloxy group, wherein R 4 represents a hydrogen atom, an alkyl group or a cycloalkyl group; and R 5 , R 6 , R 7 and R 8 independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group or an aryloxy group, wherein R 4 represents a hydrogen atom, an alkyl group or a cycloalkyl group; R 5 , R 6 , R 7 and R 8 independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group or an aryloxy group; and R 9 represents an alkyl group or a cycloalkyl group, wherein R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group or an aryloxy group, wherein R 10 , R 11 , R 12 , R 13 , R 14 , R 15 , R 16 , R 17 and R 18 independently represent a hydrogen atom, an alkyl group, a cycloalkyl group, an aryl group, an alkoxy group or an aryloxy group; and R 19 represents an alkyl group or a cycloalkyl group.