Patent US2758009A successfully refreshed from Google Patents.
US2758009A
Expired / Lapsed
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Purification of titanium tetrachloride
Assignee: Titanium Metals Corp
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Filing: 1955-08-23
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Granted: 1956-08-07
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Expires: 1975-08-23
Abstract
No abstract record available.
Inventors
- 👤 William D Guthrie
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 17:53
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02; C01G23/022; C01G23/024
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
88 words
IN A PROCESS IN WHICH CRUDE TITANIUM TETRACHLORIDE CONTAINING FREE CHLORINE IS PURIFIED BY TREATMENT WITH A REACTIVE SULFIDE, THE STEPS COMPRISING; TREATING SAID TITANIUM TETRACHLORIDE WITH HYDROGEN SULFIDE IN AMOUNT AT LEAST SUFFICIENT TO PERCIPITATE THE VANADIUM AND OTHER IMPURITIES CONTAINED THEREIN AND THEREBY FORMING SULFUR MONOCHLORIDE SOLUBILIZED IN SAID TITANIUM TETRACHLORIDE, ADDING CHLORINE TO SAID TREATED TITANIUM TETRACHLORIDE, IN AMOUNT AT LEAST SUFFICIENT TO CONVERT THE SULFUR MONOCHLORIDE CONTENT THEREOF TO SULFUR DICHLORIDE AND SEPARATING THE SOFORMED SULFUR DICHLORIDE FROM THE TITANIUM TETRACHLORIDE BY FRACTIONAL DISTILLATION.
Claim 2
Dependent Claim
88 words
IN A PROCESS IN WHICH CRUDE TITANIUM TETRACHLORIDE CONTAINING FREE CHLORINE IS PURIFIED BY TREATMENT WITH A REACTIVE SULFIDE, THE STEPS COMPRISING; TREATING SAID TITANIUM TETRACHLORIDE WITH HYDROGEN SULFIDE IN AMOUNT AT LEAST SUFFICIENT TO PERCIPITATE THE VANADIUM AND OTHER IMPURITIES CONTAINED THEREIN AND THEREBY FORMING SULFUR MONOCHLORIDE SOLUBILIZED IN SAID TITANIUM TETRACHLORIDE, ADDING CHLORINE TO SAID TREATED TITANIUM TETRACHLORIDE, IN AMOUNT AT LEAST SUFFICIENT TO CONVERT THE SULFUR MONOCHLORIDE CONTENT THEREOF TO SULFUR DICHLORIDE AND SEPARATING THE SOFORMED SULFUR DICHLORIDE FROM THE TITANIUM TETRACHLORIDE BY FRACTIONAL DISTILLATION.
References Cited (Backward Citations)
US2370525A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-08-07 | 1960-02-06 | 1960-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-08-07 | 1964-02-06 | 1964-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-08-07 | 1968-02-06 | 1968-08-07 | $7700.00 | Window Closed / Lapsed |