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FR1025837A Expired / Lapsed FR ⏱️ 0.0 years remaining

Process for the preparation of finely divided amorphous silica

Assignee: Godfrey L Cabot Inc
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Filing: 1950-10-11
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Granted: 1953-04-20
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Expires: 1970-10-11
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Abstract

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Bibliographic Details

Application Number —
Jurisdiction FR
Data Source google_patents
Last Synchronized 2026-10-30 20:30
CPC Classifications
C; C01; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/18; C01B33/181; C01B33/183; C01B33/184; C01P; C01P2002/00; C01P2002/02

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