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Method for labeling an object for its verification

  • US 5,194,289 A
  • Filed: 10/15/1990
  • Issued: 03/16/1993
  • Est. Priority Date: 04/30/1986
  • Status: Expired due to Term
First Claim
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1. Method for labeling an object for identification which comprises the steps of:

  • (a) preparing a substrate to contain a binder bearing an ultra-violet (UV) radiation sensitive dye and an amino acid or protein fragment from the hair of an individual;

    (b) contacting a marker with said substrate; and

    (c) applying said contacted marker to an object at a location thereupon to create a permanent impression on said object, which impression is perceptible only in the presence of UV radiation.

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