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:
Apr. 26, 2005
Filed:
Jan. 21, 2003
Seishi Kasai, Shizuoka, JP;
Tadahiro Sorori, Shizuoka, JP;
Ryosuke Itakura, Shizuoka, JP;
Eiichi Kato, Shizuoka, JP;
Seishi Kasai, Shizuoka, JP;
Tadahiro Sorori, Shizuoka, JP;
Ryosuke Itakura, Shizuoka, JP;
Eiichi Kato, Shizuoka, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A desensitizing treatment liquid for offset printing plates, which contains a compound represented by formula (I)wherein φ represents —POH, —OPOH, or the salt thereof and Rrepresents an organic residue which may have a substituent. The desensitizing treatment liquid gives no problems to environmental pollution, is stable to the long-period storage and the continuous use, can shorten the etching treatment time, and is excellent in the desensitizing treatment ability as well as can provide an offset printing plate having a good reproducibility of highly minute images of a middle tone, screen tint, etc., and capable of printing without forming scumming at the non-image area.