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AssigneeMinnesota Mining and Manufacturing Company
InventorDavid R. Whitcomb
Estimating the term…
Silver carboxylates which can serve as the silver source in a black-and-white thermographic or photothermographic element or as the oxidizing agent for a dye-based thermographic or photothermographic color-imaging construction can be represented by the general formula; R.sup.3 --X--(CH.sub.2 --CH.sub.2 --X).sub.n --L--CR.sup.1 R.sup.2 --COO.sup.-+ Ag wherein: R.sup.1 and R.sup.2 are each independently hydrogen, halogen, alkyl, substituted alkyl, aromatic, or substituted aromatic; R.sup.3 is an alkyl group, an aryl group, or L--CR.sup.1 R.sup.2 --COO.sup.-+ Ag; L is a linking group that links CR.sup.1 R.sup.2 to X; X is selected from the group consisting of O, S, and NR.sup.4, wherein R.sup.4 is chosen from alkyl, substituted alkyl, aromatic, or substituted aromatic; and n is an integer from 0 to 12.
A photothermographic element comprising a support bearing at least one heat-developable, photosensitive, image-forming photothermographic emulsion layer comprising:
A thermographic element comprising a support coated with an imaging layer comprising:
Dependencies are inferred from the claim text.