Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Reexamination Certificate
2001-07-13
2008-08-19
Barts, Samuel A (Department: 1621)
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
Reexamination Certificate
active
07414146
ABSTRACT:
This invention relates to an imaging element comprising an imaging layer having associated therewith a compound of Structure I:In the above Structure I, the substituents are as defined in the application. Such compounds have good reactivity and can by used to block photographically useful compounds such as developing agents until thermally activated under preselected conditions. Compounds according to the present invention are especially useful in color photothermographic imaging elements.
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Levy David H.
Slusarek Wojciech K.
Yang Xiqiang
Barts Samuel A
Carestream Health Inc.
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