FR930168A
Expired / Lapsed
FR
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Decolorizable dyes and their application to antihalation or filter layers for photographic plates or films
Assignee: Lumiere SA
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Filing: 1946-07-03
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Granted: 1948-01-19
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Expires: 1966-07-03
Abstract
No abstract record available.
Inventors
- 👤 Joseph Valette
- 👤 Georges Voisin
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-27 22:57
CPC Classifications
G; G03; G03C; G03C1/00; G03C1/76; G03C1/825; G03C1/83; C; C09; C09B; C09B11/00; C09B11/04; C09B11/10; C09B11/12; C09B11/24
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References Cited (Backward Citations)
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