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Oil-spill marking method and composition

  • US 5,356,465 A
  • Filed: 07/23/1993
  • Issued: 10/18/1994
  • Est. Priority Date: 07/23/1993
  • Status: Expired due to Fees
First Claim
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1. A method for visibly marking an area contaminated with an organic liquid, comprising:

  • providing a marking composition comprised of a colorant held within a solid carrier material, said carrier material being interactive with an organic liquid for effecting direct contact between said organic liquid and said colorant; and

    distributing said marking composition over an area suspected of contamination by said organic liquid, said colorant effecting a visibly perceptible change upon contact with said organic liquid.

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