Patent US2678267A successfully refreshed from Google Patents.
US2678267A
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Method of making an alloy comprising magnesium and thorium
Assignee: Dow Chemical Co
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Filing: 1952-02-27
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Granted: 1954-05-11
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Expires: 1972-02-27
Abstract
No abstract record available.
Inventors
- 👤 William P Saunders
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:01
CPC Classifications
C; C22; C22C; C22C23/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A METHOD OF MAKING MAGNESIUM ALLOYS CONTAINING THORIUM WHICH COMPRISES SUBJECTING A SALINE MELT OF AN ALKALI METAL CHLORIDE SELECTED FROM THE GROUP CONSISTING OF POTASSIUM CHLORIDE AND SODIUM CHLORIDE, SAID SALINE MELT CONTAINING THORIUM TETRAFLUORIDE IN THE RATIO OF BETWEEN 3 AND 7 MOLES OF ALKALI METAL CHLORIDE PER MOLE OF THORIUM TETRAFLUORIDE, TO THE REDUCING ACTION OF MOLTEN MAGNESIUM, THE NUMBER OF MOLES OF MAGNESIUM BEING FROM 12 TO 1000 TIMES THE NUMBER OF MOLES OF THORIUM TETRAFLUORIDE WHEREBY METALLIC THORIUM LIBERATED IN THE REDUCTION BECOMES ALLOYED WITH MAGNESIUM.
Claim 2
Independent Claim
91 words
A METHOD OF MAKING MAGNESIUM ALLOYS CONTAINING THORIUM WHICH COMPRISES SUBJECTING A SALINE MELT OF AN ALKALI METAL CHLORIDE SELECTED FROM THE GROUP CONSISTING OF POTASSIUM CHLORIDE AND SODIUM CHLORIDE, SAID SALINE MELT CONTAINING THORIUM TETRAFLUORIDE IN THE RATIO OF BETWEEN 3 AND 7 MOLES OF ALKALI METAL CHLORIDE PER MOLE OF THORIUM TETRAFLUORIDE, TO THE REDUCING ACTION OF MOLTEN MAGNESIUM, THE NUMBER OF MOLES OF MAGNESIUM BEING FROM 12 TO 1000 TIMES THE NUMBER OF MOLES OF THORIUM TETRAFLUORIDE WHEREBY METALLIC THORIUM LIBERATED IN THE REDUCTION BECOMES ALLOYED WITH MAGNESIUM.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-05-10 | 1957-11-09 | 1958-05-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-05-10 | 1961-11-09 | 1962-05-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-05-10 | 1965-11-09 | 1966-05-11 | $7700.00 | Window Closed / Lapsed |