Back to results
US 2023/0311474 A1Published application
A Lithographic Printing Plate Precursor
AssigneeAGFA Offset BV
InventorsThomas Billiet, Johan Loccufier, Eva Vermeiren, Faïma Lazreg
Life of this patent
Estimating the term…
Abstract
A lithographic printing plate precursor is disclosed including a support and a coating comprising a photopolymerisable layer including a polymerisable compound, a photoinitiator, and an infrared absorbing compound including a long chain linear or branched alkyl group.
Claims20
1-10. (canceled)
A lithographic printing plate precursor including on a support a coating comprising a photopolymerisable layer including a polymerisable compound, a photoinitiator, and a first infrared absorbing dye of Formula (I)
- wherein
- Z and Z′ each independently represent —S—, —CRaRb—, or —CH═CH—, wherein Ra and Rb each independently represent an alkyl, aralkyl, or aryl group;
- T and T′ each independently represent hydrogen, halogen, alkyl, alkoxy, cyano, —CO2Rk, —CONRlRm, —SO2Rn, —SO2NRoRp, or an optionally substituted annulated benzene ring, wherein Rl and Rm each independently represent hydrogen or an optionally substituted alkyl or aryl group, Rn represents an optionally substituted alkyl or aryl group, and Ro and Rp each independently represent hydrogen or an optionally substituted alkyl or aryl group,
- W− represents a counterion in order to obtain an electrically neutral compound;
- and
- Rz represents a linear or branched alkyl group, characterized in that the linear or branched alkyl group comprises 6 or more than 6 carbon atoms.
3 more elements
Dependencies are inferred from the claim text.