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Societe dElectro Chimie dElectro Metallurgie et des Acieries Electriques Dugine SA SECEMAU

Societe dE

Active Patents

0

Total Holdings

4

Patent Holdings

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Patent No.	Title	Status	Filing Date	Grant Date	Claims	Actions
US3141835A	Method and apparatus for determining oxygen in a molten hal…	Expired / Lapsed	1961-02-02	1964-07-21	2	Details
FR1309300A	Aluminum fluoride manufacturing process	Expired / Lapsed	1961-10-02	1962-11-16	0	Details
FR1291661A	Improvement in devices for introducing materials into chamb…	Expired / Lapsed	1961-03-15	1962-04-27	0	Details
US1831023A	Process of manufacture of aluminum-silicon alloys	Expired / Lapsed	1929-02-01	1931-11-10	0	Details