Novel polymethine dyes and imaging compositions

Radiation imagery chemistry: process – composition – or product th – Imaging affecting physical property of radiation sensitive... – Radiation sensitive composition or product or process of making

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430270, 430495, 430512, 430570, 430581, 430591, 430592, 540 1, 546176, 546329, 546331, 546335, 546336, 548152, 548217, 548305, 548505, 549 15, 549 22, 549 23, 549426, G03C 110, G03C 140, C09B 6900

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active

048552135

ABSTRACT:
Polymethine dyes are disclosed containing an acidic electron accepting terminal nucleus comprised of an isocyano group. The dyes are useful as spectral sensitizers in ultravioilet responsive imaging compositions.

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