Patent ID: 8859815

Claim:
A diamine of formula (I) in which A is hydrogen or a saturated or unsaturated C1-C20 alkyl group or an aryl group; B is a substituted or unsubstituted C1-C20 alkyl, cycloalkyl, alkaryl, or aryl group or an alkylamino group and either (i) Z is hydrogen and at least one of X 1 , X 2 , Y 1 and Y 2 is a C1-C10 alkyl, cycloalkyl, alkaryl, aralkyl or alkoxy substituting group or (ii) Z is a C1-C10 alkyl, alkaryl, cycloalkyl, aralkyl or alkoxy substituting group and at least one of X 1 , X 2 , Y 1 , Y 2 and Z is a C1-C10 alkyl, alkaryl, cycloalkyl, aralkyl or alkoxy substituting group.