Sensitizers for photothermographic elements
US5441866A · kind A · utility
16Cited by
16References
14Claims
0Family size
Assignee
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Key dates
| Filing date | Jan 26, 1995 |
| Grant date | Aug 15, 1995 |
| Priority date | — |
| Expiry date | Jan 26, 2015 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG03C1/49845
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Photothermographic elements of the photothermographic type may be sensitized to the infrared with sensitizing dyes of the formula: ##STR1## wherein: R.sup.1 represents a (CH.sub.2).sub.n --COO.sup.- group of from 1-20 carbon atoms, or an alkyl group of from 1 to 20 carbon atoms; and PA1 n is an integer from 1 to 20.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.