Ir-Absorbing Intaglio Ink
3 Assignments
0 Petitions
Accused Products
Abstract
Pasty ink for the engraved steel die printing process, having a viscosity value above 3 Pa·s, preferably above 5 Pa·s at 40° C., and comprising an infrared absorbing material, wherein said infrared absorbing material is a transition element compound whose IR-absorption is a consequence of electronic transitions within the d-shell of transition element atoms or ions.
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Citations
55 Claims
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1-23. -23. (canceled)
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24. Ink for the engraved steel die printing process, comprising a polymeric organic binder and an infrared absorbing material, said ink having a pasty consistency with a viscosity value at 40°
- C. of at least 3 Pa·
s, wherein said infrared absorbing material comprises a transition element compound, and wherein its infrared absorption is a consequence of electronic transitions within the d-shell of transition element atoms or ions. - View Dependent Claims (25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35, 36, 37, 38, 39, 40, 41, 42, 43, 44, 45, 46, 47, 48, 49, 50, 51, 52, 53, 54, 55)
- C. of at least 3 Pa·
Specification