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. 11, 2000
Filed:
Sep. 14, 1998
Takao Nakayama, Shizuoka, JP;
Seishi Kasai, Shizuoka, JP;
Takashi Yamada, Kanagawa, JP;
Koji Kamiyama, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Ashigara, JP;
Abstract
A a lithographic printing method comprising repetition of the steps of exposing a printing plate precursor having on the surface thereof a thin layer comprising TiO.sub.2, ZnO or at least one compound selected from the group consisting of RTiO.sub.3 wherein R represents an alkaline earth metal atom, AB.sub.2-x C.sub.x D.sub.3-x E.sub.x O.sub.10 wherein A represents a hydrogen atom or an alkali metal atom; B represents an alkaline earth metal atom or a lead atom; C represents a rare earth atom; D represents a metal atom of the group 5A of the Periodic Table; E represents a metal atom of the group 4A of the Periodic Table; and x represents a number of from 0 to 2, SnO.sub.2, Bi.sub.2 O.sub.3, and Fe.sub.2 O.sub.3 to active light to make the exposed area hydrophilic, and making the hydrophilic area hydrophobic by heat treatment.