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Photoimaging material

  • US 6,387,584 B1
  • Filed: 12/11/1996
  • Issued: 05/14/2002
  • Est. Priority Date: 02/14/1996
  • Status: Expired due to Fees
First Claim
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1. A photoimaging material comprising a support having thereon a photoimaging layer comprising microcapsules and a reducing agent present outside the microcapsules,wherein the microcapsules contain a leuco dye capable of oxidative color formation, a photooxidizing agent and an organosulfur antioxidant, and wherein the reducing agent is 2,2′

  • -methylenebis(4-methyl-6-t-butylphenol) or 2,2′

    -methylenebis(4-ethyl-6-t-butylphenol).

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