Patent US3014780A successfully refreshed from Google Patents.
US3014780A
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Calcination of magnesium chlorideammonia complexes
Assignee: Dow Chemical Co
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Filing: 1959-06-22
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Granted: 1961-12-26
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Expires: 1979-06-22
Abstract
No abstract record available.
Inventors
- 👤 James A Clarke
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 09:58
CPC Classifications
C; C01; C01F; C01F5/00; C01F5/26; C01F5/30; C01P; C01P2004/00; C01P2004/60; C01P2004/61
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
70 words
IN A PROCESS FOR CALCINCING OF A SOLID MAGNESIUM CHLORIDE-AMMONIA COMPLEX WHEREIN THE COMPLEX IS HEATED IN THE PRESENCE OF MOISTURE TO DECOMPOSE THE COMPLEX AND VAPORIZE THE AMMONIA, THE STEP TO INHIBIT THE CORROSIVENESS OF THE MIXTURE TO FERRUGINOUS MATERIALS WHICH COMPRISES INTERMIXING MAGNESIUM IN PARTICULATE FORM WITH THE COMPLEX IN AN AMOUNT AT LEAST EQUAL TO THAT OF THE MOISTURE PRESENT IN THE COMPLEX ON A MOLAR BASIS.
Claim 2
Dependent Claim
70 words
IN A PROCESS FOR CALCINCING OF A SOLID MAGNESIUM CHLORIDE-AMMONIA COMPLEX WHEREIN THE COMPLEX IS HEATED IN THE PRESENCE OF MOISTURE TO DECOMPOSE THE COMPLEX AND VAPORIZE THE AMMONIA, THE STEP TO INHIBIT THE CORROSIVENESS OF THE MIXTURE TO FERRUGINOUS MATERIALS WHICH COMPRISES INTERMIXING MAGNESIUM IN PARTICULATE FORM WITH THE COMPLEX IN AN AMOUNT AT LEAST EQUAL TO THAT OF THE MOISTURE PRESENT IN THE COMPLEX ON A MOLAR BASIS.
References Cited (Backward Citations)
US1927027A
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US1927660A
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US2098431A
Cited
US2373912A
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US2413292A
Cited
US2694620A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-12-25 | 1965-06-26 | 1965-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-12-25 | 1969-06-26 | 1969-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-12-25 | 1973-06-26 | 1973-12-26 | $7700.00 | Window Closed / Lapsed |