Forgery-resistant film and method of using same

B - Operations – Transporting – 32 – B

Patent

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154/140, 283/20

B32B 27/08 (2006.01) B44F 1/08 (2006.01) B65D 65/40 (2006.01) C08J 5/18 (2006.01)

Patent

CA 1149719

- 9 - ABSTRACT OF THE DISCLOSURE The film disclosed in the application is secure against forgeries and serves for marking articles, in particular high-quality branded goods. It is comprised of at least one transparent polyester film oriented by stretching and containing in its composition an organic dyestuff which is heat stable at temperatures above about 260°C. Preferably, a laminate is used which is comprised of two films, one of which contains a different colored dyestuff than does the other.

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