Photothermographic materials with improved natural age keeping

Details Photothermographic materials with improved natural age keeping Photothermographic materials with improved natural age keeping

2006-05-30

2006-05-30

Letscher, Geraldine (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Luminescent imaging

C430S348000, C430S350000, C430S618000, C430S619000, C430S620000, C430S617000

Reexamination Certificate

active

07052819

ABSTRACT:
The addition of certain aliphatic and non-aromatic carbocyclic polycarboxylic acids provides an improvement in natural age keeping properties of organic-solvent based photothermographic materials. This improvement is particularly useful in organic-based photothermographic materials containing phosphors in the photothermographic emulsion layer. Phosphor-containing materials can be particularly useful for direct radiographic imaging using X-radiation.

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U.S. Appl. No. 10/715,199 filed Nov. 17, 2003, titled “Stabilized High-Speed Thermally Developable Emulsions and Photothermographic Materials” by Karissa L. Eckert et al.
U.S. Appl. No. 10/826,500 (D-87067) filed on even date herewith, titled “Photothermographic Materials Containing Phosphors And Methods Of Using Same ” by Simpson et al.

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