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. 14, 1995
Filed:
Jul. 30, 1993
Seuji Arimatsu, Hirakata, JP;
Katsuji Konishi, Ibaragi, JP;
Yoshifumi Ichinose, Ikeda, JP;
Takakazu Hase, Nishinomiya, JP;
Nippon Paint Co., Ltd., Osaka, JP;
Abstract
The present invention provides a photosensitive resin composition for lithographic printing, which is developable with an alkali developer and exhibits excellent resolusion and excellent print durability. The photosensitive resin composition comprises (a) an alkali-swellable or alkali-soluble binder resin and (b) an oil-soluble diazo resin, wherein the binder resin has an acid value of 5 to 150 and has in molecules a group represented by ##STR1## wherein R.sup.1 represents a phenyl group which may have a substitution, R.sup.2 and R.sup.3, the same or different, represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms, R.sup.4 represents an alkylene group of which a backbone may be interrupted with an oxygen atom, a cycloalkylene group or a combination thereof, and may have thereon an alkyl group, a hydroxyl group, an oxo (.dbd.O) group or a combination thereof, and a and b independently shows 0 or 1.