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:
Aug. 25, 1992
Filed:
Feb. 24, 1989
Applicant:
Inventors:
Keitaro Aoshima, Shizuoka, JP;
Akira Nagashima, Shizuoka, JP;
Assignee:
Fuji Photo Film Co., Ltd., Ashigara, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ;
U.S. Cl.
CPC ...
430191 ; 430192 ; 430270 ; 430326 ; 430906 ;
Abstract
A photosensitive composition is described, wherein it comprises a high-molecular compound having sulfonamide group to be insoluble in water, but soluble in an aqueous alkaline solution and a positive working photosensitive compound. The photosensitive composition is excellent in coatability and in developability when the composition is used for photosensitive lithographic printing plates.