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:
Feb. 10, 1987
Filed:
Mar. 14, 1985
Hiroshi Takahashi, Kanagawa, JP;
Yasuhisa Narutomi, Kanagawa, JP;
Yoshimasa Aotani, Kanagawa, JP;
Keisuke Shiba, Kanagawa, JP;
Fuji Photo Film Co., Ltd., Kanagawa, JP;
Abstract
A negative working light-sensitive lithographic plate requiring no dampening solution and a plate making process are described, the negative working light-sensitive lithographic plate comprising a support having, in sequence, on said support, (A) a light-sensitive layer containing (1) an o-quinonediazide compound and (2) a coupling component which causes a diazo coupling reaction under a basic environment, and (B) a silicone rubber layer, and the plate making process comprising imagewise exposing the negative working light-sensitive lithographic plate and developing said exposed plate to obtain a lithographic plate requiring no dampening solution, wherein a step of processing with base is carried out after imagewise exposure.