Patent · US Expired

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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Inventor

Key dates

Filing dateJan 12, 1984
Grant dateSep 4, 1984
Priority date
Expiry dateJan 12, 2004

Classification

  • Technology area (CPC —)General

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.