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:
Dec. 09, 2003
Filed:
Oct. 05, 2001
Kazuo Fujita, Shizuoka-Ken, JP;
Shiro Tan, Shizuoka-Ken, JP;
Fuji Photo Film Co., Ltd., Minami-Ashigara, JP;
Abstract
The present invention relates to a photosensitive compound comprising a vinyl polymer compound which is insoluble in water and soluble in an aqueous alkaline solution and o-naphthoquinonediazide compound, wherein said vinyl polymer compound is a copolymer comprising at least one monomer unit derived from monomer compound (A): a compound having an alkaline-soluble group represented by general formula (I), (II) or (III) as defined in the specification, and at least one monomer unit derived from monomer compound (B): (meth)acrylate having poly(oxyalkylene) chain. A lithographic printing plate prepared from a presensitized plate having a photosensitive layer of said photosensitive compound of the present invention shows improvement of abrasion resistance, printing durability, chemical resistance, development latitude, and contamination property.