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Hot melt ink compositions

  • US 5,006,170 A
  • Filed: 06/22/1989
  • Issued: 04/09/1991
  • Est. Priority Date: 06/22/1989
  • Status: Expired due to Term
First Claim
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1. A hot melt ink composition which comprises a colorant, a binder, and a propellant selected from the group consisting of hydrazine;

  • cyclic amines;

    ureas;

    aldehydes;

    ketones;

    biphenyl;

    hexane;

    benzene;

    phenols;

    amides;

    imides;

    halocarbons;

    urethanes;

    ethers;

    sulfones;

    sulfamides;

    methyl sulfonamide;

    phosphites;

    phosphonates;

    alkyl sulfides;

    alkyl acetates; and

    sulfur dioxide, said ink being a solid at room temperature.

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