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:
Mar. 31, 2015
Filed:
Feb. 21, 2013
Fujifilm Corporation, Tokyo, JP;
Yoichiro Ara, Shizuoka-ken, JP;
Shigekatsu Fujii, Shizuoka-ken, JP;
Norio Aoshima, Shizuoka-ken, JP;
FUJIFILM Corporation, Tokyo, JP;
Abstract
A method for producing a planographic printing plate is provided, which includes: subjecting a planographic printing plate precursor to image-wise exposure, wherein the precursor includes plural recording layers at least one of which contains (A) an infrared absorbing agent on a support, the upper recording layer contains (B) a water-insoluble and alkali-soluble polymer compound having a repeating unit containing a fluoroalkyl group or a siloxane structure; and developing the precursor using an alkali developer containing (C)an ammonium salt compound of Formulae (C-1) to (C-3), wherein Rrepresents a methyl group or an ethyl group, Rand Rrepresent a hydrocarbon group having 3 to 20 carbon atoms, Rrepresents a hydrocarbon group, A represents an atomic group which forms a nitrogen-containing aliphatic ring with N, B represents an atomic group which forms a nitrogen-containing aromatic ring with N, and Xrepresents a counter anion.