DE348769C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process for the production of alkali-free, amorphous silica
Assignee: Michael & Co J
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Filing: —
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Granted: 1922-02-16
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Expires: 1939-02-16
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-10-28 04:11
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/18; C01B33/187; C01B33/193; C01P; C01P2002/00; C01P2002/02
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References Cited (Backward Citations)
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