US2631924A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of hydrolyzable titanium sulfate solutions
Assignee: EIDP Inc
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Filing: 1951-03-24
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Granted: 1953-03-17
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Expires: 1971-03-24
Abstract
No abstract record available.
Inventors
- 👤 Robert W Mckinney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 05:50
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1236; C22B34/124; C22B34/125
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
88 words
A PROCESS FOR PREPARING A HYDROLYZABLE TITANIUM SULFATE SOLUTION WHICH COMPRISES REACTING 85-95% SULFURIC ACID WITH A FINELY DIVIDED MIXTURE OF AN ARIZONITE ORE CONTAINING FROM 60-80% OF TIO2 WITH 60-80% OF ITS IRON CONTENT IN THE FERRIC CONDITION, AND A TITANIFEROUS SLAG CONTAINING FROM 60-80% OF TIO2 AND AN IRON CONTENT WHICH IS IN THE FERROUS STATE ONLY, CONTINUING SAID REACTION UNTIL A SOLID MASS CONTAINING SOLUBLE TITANIUM SULFATE IS OBTAINED, AND THEN DISSOLVING SAID MASS IN AN AQUEOUS SOLVENT TO OBTAIN THE DESIRED TITANIUM SULFATE SOLUTION.
References Cited (Backward Citations)
US1014793A
Cited
US2413640A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1956-03-16 | 1956-09-15 | 1957-03-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-16 | 1960-09-15 | 1961-03-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-16 | 1964-09-15 | 1965-03-17 | $7700.00 | Window Closed / Lapsed |