Interference pigments

  • US 6,596,070 B1
  • Filed: 04/17/2000
  • Issued: 07/22/2003
  • Est. Priority Date: 10/17/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. An interference pigment comprising a multiply coated, platelet-shaped substrate (S) having at least one layer sequence comprising(A) a coating having a refractive index n>

  • 2.0, (B) a colourless coating having a refractive index n>

    1.8, and (C) a nonabsorbing coating of high refractive index.

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