Aqueous-based photothermographic materials containing tetrafluoroborate salts
US7166421B2 · kind B2 · utility
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18Claims
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Key dates
| Filing date | Dec 29, 2004 |
| Grant date | Jan 23, 2007 |
| Priority date | — |
| Expiry date | Jan 22, 2025 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10S430/168
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
Black-and-white, aqueous-based, silver halide-containing photothermographic materials have increased stability both prior to use and after imaging with the incorporation of at least 0.005 g/m2 of a tetrafluoroborate salt.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.