DE668593C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for regulating the tarnishing of selenium ruby glasses
Assignee: Evonik Operations GmbH
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Filing: 1936-12-19
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Granted: 1938-12-09
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Expires: 1956-12-19
Abstract
No abstract record available.
Inventors
- 👤 Dr Hans Loeffler
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-25 23:26
CPC Classifications
C; C03; C03C; C03C4/00; C03C4/02; C03C14/00; C03C14/006
Claims Analysis
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References Cited (Backward Citations)
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