DE641122C
Expired / Lapsed
DE
⏱️ 0.0 years remaining
Process and device for the production of colorless (white) cements
Assignee: CIMENTS FRANCAIS ET DES PORTLA
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Filing: 1933-05-12
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Granted: 1937-01-20
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Expires: 1953-05-12
Abstract
No abstract record available.
Inventors
No inventors recorded.
Bibliographic Details
Application Number
—
Jurisdiction
DE
Data Source
google_patents
Last Synchronized
2026-11-02 23:25
CPC Classifications
C; C04; C04B; C04B7/00; C04B7/36; C04B7/43; C04B7/47
Claims Analysis
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References Cited (Backward Citations)
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