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Patent FR545944A successfully refreshed from Google Patents.
FR545944A
Expired / Lapsed
FR
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sensitive emulsion for photographic applications and method of preparation thereof
Assignee: Frederick Wilhelm Hochstetter
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Filing: 1922-01-16
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Granted: 1922-10-24
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Expires: 1942-01-16
Abstract
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Inventors
- 👤 Frederick Wilhelm Hochstetter
Bibliographic Details
Application Number
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Jurisdiction
FR
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google_patents
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2026-10-27 13:42
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