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:
May. 25, 2004
Filed:
Jul. 16, 2001
Applicant:
Inventor:
Keitaro Aoshima, Shizuoka-ken, JP;
Assignee:
Fuji Photo Film Co., Ltd., Minami-Ashigara, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03F 7/004 ;
U.S. Cl.
CPC ...
G03F 7/004 ;
Abstract
A negative planographic printing plate comprising a substrate carrying thereon a recording layer which contains a polymerizable compound and an infrared absorbing agent, and in which a polymerization reaction caused the action of light or heat decreases solubility in an alkali developer, wherein the optical density of said recording layer is from 0.4 to 2.0, and the film hardness of the upper part of said recording layer after reduction in solubility in an alkali developer due to the action of light or heat is higher than the average film hardness of the whole recording layer, and a preferable method of producing the same.