Invention Application
- Patent Title: LITHOGRAPHIC PRINTING METHOD
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Application No.: US17849143Application Date: 2022-06-24
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Publication No.: US20220339952A1Publication Date: 2022-10-27
- Inventor: Yusuke NAMBA , Atsushi MATSUURA , Akira SAKAGUCHI
- Applicant: FUJIFILM Corporation
- Applicant Address: JP Tokyo
- Assignee: FUJIFILM Corporation
- Current Assignee: FUJIFILM Corporation
- Current Assignee Address: JP Tokyo
- Priority: JP2019-239025 20191227
- Main IPC: B41M1/06
- IPC: B41M1/06

Abstract:
Provided is a lithographic printing method including a preparing step of preparing a lithographic printing plate precursor which includes an aluminum support, and an image recording layer containing an acid color developing agent and an acid generator on the aluminum support, an exposing step of exposing the lithographic printing plate precursor, a developing step of supplying acidic dampening water to the exposed lithographic printing plate precursor and removing a non-image area of the image recording layer, and a printing step, in which the aluminum support includes an anodized aluminum film, the anodized film has micropores, and a value ΔS is 15% or greater and 60% or less.
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