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Phase change inks

  • US 6,398,857 B1
  • Filed: 08/03/2000
  • Issued: 06/04/2002
  • Est. Priority Date: 08/03/2000
  • Status: Expired due to Term
First Claim
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1. An ink composition comprising (a) an ink vehicle comprising a benzoic acid compound substituted with an alkyl group, an alkoxy group, an arylalkyl group, an alkylaryl group, an arylalkyloxy group, or an alkyloxyaryl group;

  • (b) a viscosity modifier;

    (c) a colorant;

    (d) an optional conductivity enhancing agent;

    (e) an optional antioxidant; and

    (f) an optional UV absorber, said ink composition having a melting point of no lower than about 60°

    C.

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