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.

Date of Patent:
Jan. 21, 2014

Filed:

May. 15, 2008
Applicants:

Peter Hendrikx, Hamont-Achel, BE;

Willi-kurt Gries, Mainz-Kastel, DE;

Marc Van Damme, Bonheiden, BE;

Inventors:

Peter Hendrikx, Hamont-Achel, BE;

Willi-Kurt Gries, Mainz-Kastel, DE;

Marc Van Damme, Bonheiden, BE;

Assignee:

Agfa Graphics NV, Mortsel, BE;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
B41N 1/00 (2006.01); B41M 5/00 (2006.01); G03F 7/00 (2006.01); G03F 7/26 (2006.01);
U.S. Cl.
CPC ...
Abstract

A method for making a lithographic printing plate precursor is disclosed comprising the steps of a. providing a lithographic printing plate precursor including a support having a hydrophilic surface or which is provided with a hydrophilic layer, a photopolymerizable coating comprising a photopolymerizable composition, and an overcoat layer comprising a water soluble low molecular weight acid, wherein said overcoat layer has a surface pH-value ranging between 1 to 6; b. image-wise exposing the precursor; c. optionally heating the exposed precursor; d. processing the obtained precursor by applying a gum solution and optionally brushing the precursor, and/or by mounting the precursor on a plate cylinder of a lithographic printing press and rotating the plate cylinder while feeding dampening liquid and/or ink to the coating. The printing plate obtained after imaging and processing in an off-press configuration with a gum solution or in an on-press configuration with fountain solution and ink shows an improved roll-up performance in the start-up of a printing process on a printing press.


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