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:
Jun. 23, 1981
Filed:
Aug. 06, 1980
Kiyomi Sakurai, Osaka, JP;
Nippon Paint Co., Ltd., Osaka, JP;
Abstract
A photopolymer intaglio printing plate comprising a support member and a photopolymer layer provided thereon, said layer having concave portions of a constant depth as ink cells and the lowermost part of each of the concave portions reaching to the surface of the support member so that the surface of the support member is exposed to air at least as a point at said lowermost part, prepared by subjecting a photosensitive plate comprising the support member and a layer of a photopolymerizable composition provided thereon to exposure through a halftone negative or positive film to such an extent that the photopolymerizable composition at the exposed parts is cured down to the bottom of the photopolymerizable composition layer but the photopolymerizable composition at the non-exposed part having a minimum area remains uncured at the lowermost part corresponding to the center of the said non-exposed part and washing out completely the photopolymerizable composition at the non-exposed parts.