DE674810C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Fine grain development of halogen silver emulsions
Assignee: IG Farbenindustrie AG
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Filing: 1934-05-20
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Granted: 1939-04-22
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Expires: 1954-05-20
Abstract
No abstract record available.
Inventors
- 👤 Dr Wilhelm Schneider
- 👤 Dr Gustav Wilmanns
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-04 06:02
CPC Classifications
G; G03; G03C; G03C5/00; G03C5/26; G03C5/29; G03C5/30; G03C5/3021
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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