US2622964A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method for hydrolyzing titaniferous solutions
Assignee: NL Industries Inc
•
Filing: 1949-01-14
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Granted: 1952-12-23
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Expires: 1969-01-14
Abstract
No abstract record available.
Inventors
- 👤 Aagaard Leif
- 👤 Frank J Schultz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 13:56
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/04; C01G23/047; C01G23/053; C01G23/0536; C01G23/0538; C01P; C01P2006/00; C01P2006/60
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
METHOD FOR HYDROLYZING A TITANIUM CHLORIDE SOLUTION CONTAINING FLUORIDE IONS AND IRON CHLORIDE SAID FLUORIDE IONS BEING PRESENT IN AMOUNT FROM 0.1% TO ABOUT 10% CALCULATED AS HF AND BASED ON THE WEIGHT OF TITANIUM CALCULATED AS TIO2 IN SAID SOLUTION WHICH COMPRISES REDUCING IRON CHLORIDE IN SAID SOLUTION TO FERROUS CHLORIDE AND ADMIXING SAID TITANIUM CHLORIDE SOLUTION WITH A NUCLEATING AGENT AND A COAGULATING AGENT, ADJUSTING THE CONCENTRATION OF THE TITANIUM VALUES IN SAID MIXTURE TO AT LEAST 250 GRAMS PER LITER TIO2 AND A BASICITY OF AT LEAST 45% AND HYDROLYZING BY BOILING THEREBY TO PRECIPITATE THE TITANIUM VALUES THEREFROM.
Claim 2
Dependent Claim
102 words
METHOD FOR HYDROLYZING A TITANIUM CHLORIDE SOLUTION CONTAINING FLUORIDE IONS AND IRON CHLORIDE SAID FLUORIDE IONS BEING PRESENT IN AMOUNT FROM 0.1% TO ABOUT 10% CALCULATED AS HF AND BASED ON THE WEIGHT OF TITANIUM CALCULATED AS TIO2 IN SAID SOLUTION WHICH COMPRISES REDUCING IRON CHLORIDE IN SAID SOLUTION TO FERROUS CHLORIDE AND ADMIXING SAID TITANIUM CHLORIDE SOLUTION WITH A NUCLEATING AGENT AND A COAGULATING AGENT, ADJUSTING THE CONCENTRATION OF THE TITANIUM VALUES IN SAID MIXTURE TO AT LEAST 250 GRAMS PER LITER TIO2 AND A BASICITY OF AT LEAST 45% AND HYDROLYZING BY BOILING THEREBY TO PRECIPITATE THE TITANIUM VALUES THEREFROM.
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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) | 1955-12-23 | 1956-06-23 | 1956-12-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-12-23 | 1960-06-23 | 1960-12-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-12-23 | 1964-06-23 | 1964-12-23 | $7700.00 | Window Closed / Lapsed |