FR47320E
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Process for preparing dyes and process for sensitizing photographic silver halide emulsions with these dyes
Assignee: Gevaert Photo Producten NV
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Filing: 1936-05-09
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Granted: 1937-03-16
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Expires: 1956-05-09
Abstract
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Inventors
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Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-06 19:48
CPC Classifications
C; C09; C09B; C09B23/00; C09B23/14; C09B23/145; C09B23/02
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