Thermally developable materials stabilized with crown ethers

Details Thermally developable materials stabilized with crown ethers Thermally developable materials stabilized with crown ethers

2007-09-11

2007-09-11

Chea, Thorl (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Thermographic process

Heat applied after imaging

C430S530000, C430S600000, C430S607000, C430S613000, C430S614000, C430S615000, C430S619000

Reexamination Certificate

active

11455415

ABSTRACT:
Incorporating a crown ether-alkali metal complex cation of an enolate anion of an aldehyde having at least one electron withdrawing group in the alpha (α) position, provides thermally developable materials with imaging properties that have little change with changes in humidity. Both photothermographic and thermographic materials are provided, and particularly photothermographic materials having lower silver coverage.

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