Patent US2568341A successfully refreshed from Google Patents.
US2568341A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of potassium titanium fluoride
Assignee: Beryllium Corp
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Filing: 1951-02-03
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Granted: 1951-09-18
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Expires: 1971-02-03
Abstract
No abstract record available.
Inventors
- 👤 Henry C Kawecki
- 👤 Edwin J Bielecki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 18:20
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
THE METHOD OF PRODUCING A FLUOTITANATE OF THE GROUP CONSISTING OF SODIUM, POTASSIUM AND AMMONIUM FLOTITANATES WHICH COMPRISES DIGEST ING - AN IRON-BEARING TITANIFEOUS MATERIAL WITH SUFFICIENT HYDROFLUORIC ACID IN AN AQUEOUS MEDIUM TO FORM A TITANIUM FLORIDE AND IRON FLUORIDEBEARING SOLUTION, EFFECTING REDUCTION OF FERRIC IONS PRESENT IN SAID SOLUTION TO FERROUS IONS, SEPARATING THE RESULTING SOLUTION FROM THE INSOLUBLES, ADDING TO THE SEPARATED SOLUTION AT A TEMPERATURE OF AT LEAST 70* C. AND IN THE PRESENCE OF FREE HYDROFLUORIC ACID AN ALKALI SALT OF THE GROUP CONSISTING OF SODIUM, POTASSIUM AND AMMONIUM SALTS WHOSE ANIONS FORM A FERROUS SALT MORE SOLUBLE THAN FERROUS SULFATE, AND COOLING THE RESULTING SOLUTION TO EFFECT CRYSTALLIZATION OF THE FLUOTITANATE THEREFROM.
Claim 2
Independent Claim
118 words
THE METHOD OF PRODUCING A FLUOTITANATE OF THE GROUP CONSISTING OF SODIUM, POTASSIUM AND AMMONIUM FLOTITANATES WHICH COMPRISES DIGEST ING - AN IRON-BEARING TITANIFEOUS MATERIAL WITH SUFFICIENT HYDROFLUORIC ACID IN AN AQUEOUS MEDIUM TO FORM A TITANIUM FLORIDE AND IRON FLUORIDEBEARING SOLUTION, EFFECTING REDUCTION OF FERRIC IONS PRESENT IN SAID SOLUTION TO FERROUS IONS, SEPARATING THE RESULTING SOLUTION FROM THE INSOLUBLES, ADDING TO THE SEPARATED SOLUTION AT A TEMPERATURE OF AT LEAST 70* C. AND IN THE PRESENCE OF FREE HYDROFLUORIC ACID AN ALKALI SALT OF THE GROUP CONSISTING OF SODIUM, POTASSIUM AND AMMONIUM SALTS WHOSE ANIONS FORM A FERROUS SALT MORE SOLUBLE THAN FERROUS SULFATE, AND COOLING THE RESULTING SOLUTION TO EFFECT CRYSTALLIZATION OF THE FLUOTITANATE THEREFROM.
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) | 1954-09-17 | 1955-03-19 | 1955-09-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-09-17 | 1959-03-19 | 1959-09-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-09-17 | 1963-03-19 | 1963-09-18 | $7700.00 | Window Closed / Lapsed |