US3785943A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Electrolysis of magnesium chloride
Assignee: K+S AG
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Filing: 1971-11-23
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Granted: 1974-01-15
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Expires: 1991-11-23
Abstract
Abstract A PROCESS FOR THE ELECTROLYSIS OF MAGNESIUM CHLORIDE SOLUTIONS, IN THE PRESENCE OF AN ALKALI METAL CHLORIDE TO YIELD CHLORINE AND MAGNESIUM HYDROXIDE.
Inventors
- 👤 J Haase
- 👤 H Eberle
- 👤 W Meyer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 00:19
CPC Classifications
C; C25; C25B; C25B1/00; C25B1/01; C25B1/18; C25B1/20
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-01-14 | 1977-07-16 | 1978-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-01-14 | 1981-07-16 | 1982-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-01-14 | 1985-07-16 | 1986-01-15 | $7700.00 | Window Closed / Lapsed |