Alkanediyl bridged benzimidazolo monomethine cyanine dyes, processes for their preparation, and photographic emulsions and elements containing such dyes
UST104601I4 · kind I4 · defensive publication
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Key dates
| Filing date | Jan 12, 1984 |
| Grant date | Sep 4, 1984 |
| Priority date | — |
| Expiry date | Jan 12, 2004 |
Classification
- Technology area (CPC —)General
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.