Kit comprising multicolored fluid dispenser markers together with eradicating fluid dispenser, stamps and stamp pad

  • US 4,681,471 A
  • Filed: 07/31/1984
  • Issued: 07/21/1987
  • Est. Priority Date: 08/03/1983
  • Status: Expired due to Term
First Claim
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1. A coloring kit which comprises in combination:

  • means comprising a plurality of devices capable of producing a series of rainbow-colored marks or imprints, including at least each of the primary colors red, yellow and blue, each of said devices including a reservoir of a different colored water-based fluid consisting essentially of a common carrier solution composed essentially of 70-100% deionized water and from 0-30% glycols;

    a non-ionic wetting agent in concentrations of from about 0.125 to 0.25% by weight of said carrier solution;

    an antioxidant in concentration of from about 0-7% by weight of said carrier solution, and predetermined dye-stuffs in concentrations from about 0.125 to 3.25% by weight of said carrier solution;

    marking or stamping means operable in collaboration with each said reservoir of colored water-based fluid to produce a discernible colored mark on a smooth substrate;

    means comprising a single eradicator fluid formulated to eradicate any and all of the colors of said rainbow-colored marks or imprints produced by said marking devices, said eradicator means comprising a reservoir of a water-based eradicator fluid consisting essentially of about 65-95% of said common carrier solution, about 5-35% reducing agent and about 0.125 to 0.25% wetting agent;

    marking or stamping means operable in collaboration with said reservoir of said eradicator to produce an imprint of eradicator fluid on said smooth substrate;

    wherein said eradicator fluid is so formulated that upon application to said discernible colored marks said eradicator will remove the color therefrom without removing the color from or substantially staining the substrate.

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