Laser-markable laminate

Details Laser-markable laminate Laser-markable laminate

2006-04-25

2006-04-25

Letscher, Geraldine (Department: 1752)

Stock material or miscellaneous articles

Composite

Of addition polymer from unsaturated monomers

C428S516000, C428S317900, C428S032500, C428S032520

Reexamination Certificate

active

07033677

ABSTRACT:
The invention relates to a laminate consisting of a multilayer transparent film and a multilayer opaque film, which has an intermediate layer. The base layer of the transparent film contains a pigment, which absorbs illumination in the wavelength range of a laser. The laminate can be marked and inscribed using a laser.

REFERENCES:
patent: 5746866 (1998-05-01), Tanaka et al.
patent: 5935902 (1999-08-01), Imamura
patent: 6284425 (2001-09-01), Staral et al.
patent: 6458504 (2002-10-01), Wachi et al.
patent: 2004/0033427 (2004-02-01), Coveleski et al.
patent: 2004/0071994 (2004-04-01), Busch et al.
patent: 196 30 478 (1998-01-01), None
patent: 199 05 415 (2000-08-01), None
patent: WO 00/12305 (2000-03-01), None
Carl Hanser Verlag: “Laserbeschriften Nun Auch Bei Polyolefinen Moeglich” Kunststoffe, Munchen, Germany, vol. 79, (Nov. 1, 1989) p. 1138.

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