Concentrated color developer composition and processing...

Details Concentrated color developer composition and processing... Concentrated color developer composition and processing...

2005-04-26

2005-04-26

Le, Hoa Van (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Nonradiation sensitive image processing compositions or...

Developer

C430S490000

Reexamination Certificate

active

06884572

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/(m2·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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patent: 6251573 (2001-06-01), Tappe et al.
patent: 6274300 (2001-08-01), Seki
patent: 0227358 (1987-07-01), None
patent: 0250219 (1987-12-01), None
European Search Report EP 03 25 1109.
One page of English Abstract of Japanese Abstracts of Japan, Publication No. 10312046, Publication date Nov. 24, 1998.

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