FR766346A
Expired / Lapsed
FR
⏱️ 0.0 years remaining
Manufacturing process of a silica gel
Assignee: PROD SILGELAC
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Filing: 1933-03-24
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Granted: 1934-06-26
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Expires: 1953-03-24
Abstract
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Inventors
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Bibliographic Details
Application Number
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Jurisdiction
FR
Data Source
google_patents
Last Synchronized
2026-10-30 11:38
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/16; C01B33/166
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