Patent ID: 7252918

Claim:
A toner for developing an electrostatically charged copier or printer image, the toner consisting essentially of: a) a binder resin; b) a colorant which is carbon black, diazo yellow, phthalocyanine blue, quinacridone, carmine 6 B, monoazo red or perylene; and c) a charge control agent, wherein the binder resin includes a polyolefin resin having a cyclic structure, wherein the polyolefin resin is a copolymer derived from an alpha-olefin, an alicyclic compound having one double bond and, optionally, a diene monomer, and wherein the electrostatically charged copier or printer image is fixed by the action of a heated roller and said polyolefin resin having a cyclic structure further comprising a carboxyl group is cross-linked by metal ions or dienes.