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:
Sep. 18, 1990
Filed:
May. 17, 1989
Applicant:
Inventors:
Masanao Isono, Shiga, JP;
Ken Kawamura, Shiga, JP;
Masaya Asano, Shiga, JP;
Tetuo Suzuki, Shiga, JP;
Shigeo Abiko, Shiga, JP;
Assignee:
Toray Industries, Incorporated, Tokyo, JP;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G03C / ; G03F / ; G03F / ;
U.S. Cl.
CPC ...
430156 ; 430162 ; 430166 ; 430171 ; 430303 ; 430175 ; 430191 ;
Abstract
The present invention is concerned with a printing plate of which image formation is done by photoirradiation, having a front side covered waith a peelable or removable protective layer which contains a photofading material. The printing plate is safe against fogging to light and can be used under ordinary illumination.