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:
Dec. 29, 1998
Filed:
Aug. 29, 1996
Applicant:
Inventors:
Toru Ushirogouchi, Yokohama, JP;
Makoto Nakase, Tokyo, JP;
Akira Yoshizumi, Yokohama, JP;
Naoko Kihara, Matsudo, JP;
Takuya Naito, Tokyo, JP;
Naomi Shida, Kawasaki, JP;
Koji Asakawa, Kawasaki, JP;
Assignee:
Kabushiki Kaisha Toshiba, Kawasaki, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03C / ; C08G / ;
U.S. Cl.
CPC ...
4302701 ; 430292 ; 430332 ; 430338 ; 430962 ; 528269 ;
Abstract
There is disclosed a color developing resin composition comprising a base polymer, a dialdehyde represented by the general formula OHC--R.sup.1' --CHO, a diamine represented by the general formula H.sub.2 N--R.sup.2' --NH.sub.2 (at least one of R.sup.1' and R.sup.2' is an aromatic group), a compound which produces an acid by light irradiating and a resin which is crosslinked with the acid.