Patent US2694616A successfully refreshed from Google Patents.
US2694616A
Expired / Lapsed
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Preparation of fluorides of titanium and alkali metals
Assignee: Horizons Titanium Corp
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Filing: 1952-01-31
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Granted: 1954-11-16
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Expires: 1972-01-31
Abstract
No abstract record available.
Inventors
- 👤 Wainer Eugene
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 21:45
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/002; C01P; C01P2004/00; C01P2004/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
THE METHOD OF PRODUCING A DOUBLE FLUORIDE OF TITANIUM AND AN ALKALI METAL FROM AN OXODOC TITANIUM COMPOUND WHICH COMPRISES CALCINING THE OXIDIC TITANIUM COMPOUND AND AN ALKALI METAL COMPOUND, CRUSHING THE CALCINE AND SLURRYING IT IN WATER WITH A FINELY DIVIDED ALKALINE EARTH METAL FLUORIDE AND A MINERAL ACID, BOILING THE SLURRY TO FORMATION OF SAID DOUBLE FLUORIDE IN SOLUTION FILTERING OUT INSOLUBLE BY-PRODUCT MATERIAL, THEN CONCENTRATING THE SEPARATED HOT SOLUTION, AND COOLING THE CONCENTRATED SOLUTION TO EFFECT CRYSTALLIZATION THEREFROM OF SAID DOUBLE FLUORIDE.
Claim 2
Independent Claim
85 words
THE METHOD OF PRODUCING A DOUBLE FLUORIDE OF TITANIUM AND AN ALKALI METAL FROM AN OXODOC TITANIUM COMPOUND WHICH COMPRISES CALCINING THE OXIDIC TITANIUM COMPOUND AND AN ALKALI METAL COMPOUND, CRUSHING THE CALCINE AND SLURRYING IT IN WATER WITH A FINELY DIVIDED ALKALINE EARTH METAL FLUORIDE AND A MINERAL ACID, BOILING THE SLURRY TO FORMATION OF SAID DOUBLE FLUORIDE IN SOLUTION FILTERING OUT INSOLUBLE BY-PRODUCT MATERIAL, THEN CONCENTRATING THE SEPARATED HOT SOLUTION, AND COOLING THE CONCENTRATED SOLUTION TO EFFECT CRYSTALLIZATION THEREFROM OF SAID DOUBLE FLUORIDE.
References Cited (Backward Citations)
US2577130A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |