Organic silver salt dispersion and production method...

Details Organic silver salt dispersion and production method... Organic silver salt dispersion and production method...

2006-04-04

2006-04-04

Letscher, Geraldine (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Radiation sensitive product

Silver compound sensitizer containing

C430S618000, C430S619000, C430S620000, C430S567000, C430S531000, C430S536000, C430S523000, C430S527000, C430S631000

Reexamination Certificate

active

07022471

ABSTRACT:
An organic silver salt dispersion containing: light-insensitive organic silver salt grains; photosensitive silver halide grains; a solvent; and a binder for dispersion, wherein the organic silver salt is prepared by using: (i) an alkaline metal salt of an organic acid other than a sodium salt; and (ii) a water soluble silver compound, and the binder is a polyvinyl acetal resin having a polymerization degree of 250 to 1000 and prepared by acetal forming reaction of a polyvinylalcohol with an aldehyde.

REFERENCES:
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patent: 2004/0166449 (2004-08-01), Miyake
patent: 2004/0180301 (2004-09-01), Nakagawa
patent: 1 270 608 (2003-01-01), None
patent: 04 02 0070 (2004-10-01), None
patent: 1498406 (1978-01-01), None
patent: 2001-312024 (2001-11-01), None
patent: 2003-114491 (2003-04-01), None

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