Patent FR844866A successfully refreshed from Google Patents.
FR844866A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Photographic developers
Assignee: IG Farbenindustrie AG
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Filing: 1938-10-17
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Granted: 1939-08-03
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Expires: 1958-10-17
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-11-01 20:18
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/305; G03C5/3053
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References Cited (Backward Citations)
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