US 7,485,403 B2
	Laser-markable compositions
Nazir Khan, Nottingham (United Kingdom)
Assigned to Datalase Ltd., Cheshire (United Kingdom)
Appl. No. 10/380,381 PCT Filed Mar. 18, 2002, PCT No. PCT/GB02/01250 § 371(c)(1), (2), (4) Date Mar. 14, 2003, PCT Pub. No. WO02/074548, PCT Pub. Date Sep. 26, 2002.
Claims priority of application No. 0106603.4 (GB), filed on Mar. 16, 2001; and application No. 0108360.9 (GB), filed on Apr. 03, 2001.
Prior Publication US 2003/0180660 A1, Sep. 25, 2003
Int. Cl. G03F 7/00 (2006.01); C08K 3/10 (2006.01)

U.S. Cl. 430—270.1  [430/292; 430/320; 524/406]

4 Claims

1. A method for providing an image on a substrate, which comprises applying to the substrate a composition comprising a laser-markable composition which comprises a binder and ammonium octamolybdate wherein said method further comprises irradiating said composition, wherein said irradiation results in the ammonium octamolybdate providing the image.