US2682930A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of titanium tetrachloride by adsorption
Assignee: EIDP Inc
•
Filing: 1951-01-23
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Granted: 1954-07-06
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Expires: 1971-01-23
Abstract
No abstract record available.
Inventors
- 👤 Krchma Ignace Joseph
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 10:22
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1231; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
84 words
A METHOD FOR SEPARATING AND RECOVERING TITANIUM TETRACHLORIDE FROM A RESIDUAL GAS MIXTURE RESULTING FROM THE CHLORINATION IN THE PRESENCE OF A CARBONACEOUS SUBSTANCE OF A TITANIUM-BEARING MATERIAL AND CONTAINING FROM ABOUT 2-10% BY WEIGHT OF SAID TETRACHLORIDE, COMPRISING PASSING SAID GASEOUS MIXTURE OVER A SOLID ADSORPTIVE AGENT WITHIN AN ANHYDROUS TREATING ZONE, AND THEREAFTER CONCURRENTLY REACTIVATING SAID AGENT AND RECOVERING THE ADSORBED TICL4 THEREFROM BY SUBJECTING IT UNDER ANHYDROUS CONDITIONS TO DESORPTION HEAT TREATMENT THROUGH DIRECT CONTACT WITH A SEPARATE, HOT, NON-REACTIVE GAS.
Claim 2
Independent Claim
84 words
A METHOD FOR SEPARATING AND RECOVERING TITANIUM TETRACHLORIDE FROM A RESIDUAL GAS MIXTURE RESULTING FROM THE CHLORINATION IN THE PRESENCE OF A CARBONACEOUS SUBSTANCE OF A TITANIUM-BEARING MATERIAL AND CONTAINING FROM ABOUT 2-10% BY WEIGHT OF SAID TETRACHLORIDE, COMPRISING PASSING SAID GASEOUS MIXTURE OVER A SOLID ADSORPTIVE AGENT WITHIN AN ANHYDROUS TREATING ZONE, AND THEREAFTER CONCURRENTLY REACTIVATING SAID AGENT AND RECOVERING THE ADSORBED TICL4 THEREFROM BY SUBJECTING IT UNDER ANHYDROUS CONDITIONS TO DESORPTION HEAT TREATMENT THROUGH DIRECT CONTACT WITH A SEPARATE, HOT, NON-REACTIVE GAS.
References Cited (Backward Citations)
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Cited
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US2207597A
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US2354383A
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Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1957-07-05 | 1958-01-04 | 1958-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-07-05 | 1962-01-04 | 1962-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-07-05 | 1966-01-04 | 1966-07-06 | $7700.00 | Window Closed / Lapsed |