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. 06, 2007
Filed:
Nov. 03, 2004
Applicant:
Satoru Kuse, Hino, JP;
Inventor:
Satoru Kuse, Hino, JP;
Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C 7/407 (2006.01); G03C 7/413 (2006.01);
U.S. Cl.
CPC ...
Abstract
A color developer solution is disclosed, comprising p-phenylenediamine type color developing agents, wherein 2% to 35% by weight of the p-phenylenediamine color developing agents is accounted for by a N-hydroxyalkyl-substituted p-phenylenediamine color developing agent, and the color developer solution further comprising a compound represented by the following formula (1) or (2):