US2653855A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of alkali metal fluotitanates and fluozirconates
Assignee: Kawecki Chemical Co
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Filing: 1951-05-25
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Granted: 1953-09-29
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Expires: 1971-05-25
Abstract
No abstract record available.
Inventors
- 👤 Henry C Kawecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 20:51
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
99 words
THE METHOD OF PRODUCING A COMPOUND OF THE GROUP CONSISTING OF ALKALI METAL FLUOTITANATES AND FLUOZIRCONATES WHICH COMPRISES FORMING AN INTIMATE PHYSICAL ADMIXTURE OF A FLUOSILICATE OF AN ALKALI METAL, AN OXIDIC COMPOUND OF A METAL OF THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM, AND AN OXIDIC COMPOUND OF AN ALKALI METAL CAPABLE OF THERMALLY DECOMPOSING TO THE OXIDE, HEATING THE MIXTURE TO EFFECT FUSION THEREOF, COOLING THE RESULTING PRODUCT TO EFFECT SOLIDIFICATION THEREOF, COMMUNUTING SAID SOLID PRODUCT, LEACHING THE COMMINUTED SOLID PRODUCT WITH AN ACIDIC AQUEOUS MEDIUM, AND RECOVERING THE RESULTING DISSOLVED ALKALI METAL PRODUCT SELECTED FROM THE
Claim 2
Independent Claim
99 words
THE METHOD OF PRODUCING A COMPOUND OF THE GROUP CONSISTING OF ALKALI METAL FLUOTITANATES AND FLUOZIRCONATES WHICH COMPRISES FORMING AN INTIMATE PHYSICAL ADMIXTURE OF A FLUOSILICATE OF AN ALKALI METAL, AN OXIDIC COMPOUND OF A METAL OF THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM, AND AN OXIDIC COMPOUND OF AN ALKALI METAL CAPABLE OF THERMALLY DECOMPOSING TO THE OXIDE, HEATING THE MIXTURE TO EFFECT FUSION THEREOF, COOLING THE RESULTING PRODUCT TO EFFECT SOLIDIFICATION THEREOF, COMMUNUTING SAID SOLID PRODUCT, LEACHING THE COMMINUTED SOLID PRODUCT WITH AN ACIDIC AQUEOUS MEDIUM, AND RECOVERING THE RESULTING DISSOLVED ALKALI METAL PRODUCT SELECTED FROM THE
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) | 1956-09-28 | 1957-03-30 | 1957-09-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-09-28 | 1961-03-30 | 1961-09-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-09-28 | 1965-03-30 | 1965-09-29 | $7700.00 | Window Closed / Lapsed |