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FR873860A Expired / Lapsed FR ⏱️ 0.0 years remaining

Yellow luminescence stable zinc sulfide phosphor and method of manufacture

Assignee: Honeywell Riedel de Haen AG
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Filing: 1941-07-16
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Granted: 1942-07-22
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Expires: 1961-07-16
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-11-02 22:41
CPC Classifications
C; C09; C09K; C09K11/00; C09K11/08; C09K11/58; C09K11/582; C09K11/584

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