The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Nov. 20, 2007
Filed:
Nov. 12, 2004
Huub Van Aert, Pulderbos, BE;
Bert Groenendaal, Sinaai, BE;
Hieronymus Andriessen, Beerse, BE;
Martin Moeller, Aachen, DE;
Uwe Beginn, Eynatten/Raeren, BE;
Ahmed Mourran, Aachen, DE;
Huub Van Aert, Pulderbos, BE;
Bert Groenendaal, Sinaai, BE;
Hieronymus Andriessen, Beerse, BE;
Martin Moeller, Aachen, DE;
Uwe Beginn, Eynatten/Raeren, BE;
Ahmed Mourran, Aachen, DE;
AGFA Graphics NV, Mortsel, BE;
Abstract
A heat sensitive lithographic printing plate precursor is disclosed comprising on a support having a hydrophilic surface or which is provided with a hydrophilic layer, a coating comprising an infrared light absorbing agent and a copolymer which comprises a plurality of recurring units X having a hydrophilic polymeric pendant group and a plurality of recurring units Y having a hydrophobic polymeric pendant group. Said coating is capable of switching from a hydrophilic state into a hydrophobic state after exposure to heat and/or infrared light.