DE367537C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of artificial mica
Assignee: Siemens and Halske AG
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Filing: 1919-12-07
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Granted: 1923-01-22
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Expires: 1939-12-07
Abstract
No abstract record available.
Inventors
- 👤 Dr Ernst Wilke-Doerfurt
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-05 14:58
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/20; C01B33/36; C01B33/38; C01B33/42
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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