Patent ID: 7947151

Claim:
A paper softening composition comprising: a diamide diamine compound or a salt thereof represented by formula (1): wherein the chain portion A is a residue of a dicarboxylic acid having 4 to 12 carbon atoms; R 1 , R 2 , R 5 , and R 6 are each an alkyl group having 1 to 4 carbon atoms; and R 3 and R 4 are each an alkylene group having 2 to 4 carbon atoms; and an amide amine compound or a salt thereof represented by formula (2): wherein R 7 CO is an acyl group having 10 to 24 carbon atoms; R 8 is an alkylene group having 2 to 4 carbon atoms; and R 9 and R 10 are each an alkyl group having 1 to 4 carbon atoms; the mass ratio of diamide diamine component to amide amine component being in the range of 5/95 to 90/10.