Method of authenticating and/or identifying an article
First Claim
1. A method of authenticating and/or identifying an article containing a chemical marking agent, which is substantially inseparably enclosed in a marker as a carrier and contains a plurality of selected chemical elements and/or compounds, to form marker elements, the selected chemical elements and/or compounds present in the marker elements in a ratio of concentrations according to a predetermined encryption code, which method comprises the steps of:
- i) qualitatively and/or quantitatively identifying the marker elements of the chemical marking agent, andii) comparing the values identified in step (i) with the predetermined encryption code.
1 Assignment
0 Petitions
Accused Products
Abstract
The present invention relates to a method of authenticating and/or identifying an article containing a chemical marking agent, which is substantially inseparably enclosed in a marker as a carrier and contains selected chemical elements and/or compounds in the form of marker elements, in concentrations based on a predetermined encryption code, which method comprises the steps of:
- i) qualitatively and/or quantitatively identifying the marker elements of the chemical marking agent, and
- ii) comparing the values identified in step (i) with the predetermined encryption code.
-
Citations
15 Claims
-
1. A method of authenticating and/or identifying an article containing a chemical marking agent, which is substantially inseparably enclosed in a marker as a carrier and contains a plurality of selected chemical elements and/or compounds, to form marker elements, the selected chemical elements and/or compounds present in the marker elements in a ratio of concentrations according to a predetermined encryption code, which method comprises the steps of:
-
i) qualitatively and/or quantitatively identifying the marker elements of the chemical marking agent, and ii) comparing the values identified in step (i) with the predetermined encryption code. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15)
-
Specification