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.

Date of Patent:
Apr. 26, 2005

Filed:

Feb. 21, 2003
Applicants:

Wataru Satake, Hino, JP;

Atsuro Yanata, Hachioji, JP;

Inventors:

Wataru Satake, Hino, JP;

Atsuro Yanata, Hachioji, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03C007/413 ;
U.S. Cl.
CPC ...
Abstract

A concentrated color developer composition packed in a container which is comprised of material exhibiting an oxygen permeability of not more than 50 ml/(m·day·atm), and the concentrated color developer composition comprising a hydroxyalkyl-substituted p-phenediamine type color developing agent of not less than 0.05 mol/l, a sulfite and a hydroxylamine salt. The processing method by use of the concentrated composition is also disclosed.


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