Granted Patent
B2
US 7,485,403 · App. 10/380,381 · Granted Feb 3, 2009
Laser-markable compositions
Assignee:
Datalase Ltd.
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Abstract
A laser-markable composition comprises a binder and an oxyanion of a multivalent metal.
Claims (4)
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.
2. The method of according to claim 1 , wherein the substrate is a polymeric film.
3. The method according to claim 1 , wherein the substrate is metal.
4. The method according to claim 1 , wherein the substrate is paper or cartonboard.
Assignments (4)
CHANGE OF NAME
Recorded Oct 17, 2014
From: SHERWOOD TECHNOLOGY LIMITED
To: DATALASE LTD
Reel/Frame 034014/0164 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Oct 15, 2014
From: KHAN, NAZIR
To: SHERWOOD TECHNOLOGY LTD.
Reel/Frame 033956/0277 →
CHANGE OF NAME
Recorded Jun 30, 2006
From: SHERWOOD TECHNOLOGY LIMITED
To: DATALASE LTD.
Reel/Frame 017858/0812 →
ASSIGNMENT OF ASSIGNOR'S INTEREST
Recorded Apr 9, 2003
From: KHAN, NAZIR
To: SHERWOOD TECHNOLOGY LTD.
Reel/Frame 013930/0931 →
Priority Claims (2)
GB 0106603.4
· Mar 16, 2001
· national
GB 0108360.9
· Apr 3, 2001
· national
Continuity (1)