Thermally developable imaging materials having backside...

Radiation imagery chemistry: process – composition – or product th – Thermographic process – Heat applied after imaging

Reexamination Certificate

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C430S510000, C430S512000, C430S523000, C430S607000, C430S613000, C430S614000, C430S961000

Reexamination Certificate

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07029834

ABSTRACT:
Thermally developable photothermographic materials comprise a backside layer that includes a backside stabilizer to reduce fog formation in high humidity conditions, thereby providing improved shelf stability. Useful backside stabilizers are nitrogen-containing aromatic heterocyclic compounds. These backside stabilizers can be provided particularly in non-photosensitive compositions that include an antihalation composition.

REFERENCES:
patent: 4212937 (1980-07-01), Akashi et al.
patent: 6465162 (2002-10-01), Kong et al.
patent: 6524781 (2003-02-01), Wada
patent: 6599685 (2003-07-01), Kong
patent: 27 37 334 (1978-02-01), None
patent: 0 902 322 (1999-03-01), None
patent: 1096310 (2001-06-01), None
patent: 1186950 (2002-03-01), None
patent: 2000-147706 (2000-05-01), None
patent: 2002-328446 (2002-11-01), None
USSN 10/192, 944 filed Jul. 11, 2002, titled “Black-And-White Organic Solvent-Based Photothermographic Materials Containing Mercaptotriazole Toners” by Lynch et al.
Co-pending USSN 10/686280 (D-86096), titled “Thermally Developable Imaging Materials Having Backside Stabilizers” by Kong et al.

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