Patent US2870869A successfully refreshed from Google Patents.
US2870869A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of titanium tetrachloride
Assignee: New Jersey Zinc Co
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Filing: 1957-04-18
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Granted: 1959-01-27
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Expires: 1977-04-18
Abstract
No abstract record available.
Inventors
- 👤 George T Mahler
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 20:17
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1231; C22B1/00; C22B1/02; C22B1/08; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
171 words
THE METHOD OF RECOVERING TITANIUM TETRACHLORIDE FROM A GASEOUS MIXTURE OF THE TITANIUM TETRACHLORIDE WITH AT LEAST ONE OF THE NORMALLY SOLID CHLORIDES OF THE GROUP CONSISTING OF FERROUS CHLORIDE, FERRIC CHLORIDE AND ALUMINUM CHLORIDE WHICH COMPRISES PASSING THE GASEOUS MIXTURE THROUGH A SCRUBBING CHAMBER HAVING IN THE BOTTOM THEREOF A BODY OF A SLURRY OF SAID SOLID CHLORIDES SUBPENDED IN LIQUID TITANIUM TETRACHLORIDE, HURLING A SUBSTANTIALLY CONTINUOUS SHOWER OF SAID SLURRY THROUGHOUT THE CHAMBER WITH SUCH VIOLENCE AS TO PROVIDE BY ITSELF AND BY ITS SPLASHING AGAINST THE INTERIOR SURFACES OF THE CHAMBER A TURBULENT SHOWER OF THE SLURRY THROUGH WHICH THE GASEOUS MIXTURE PASSES, THE SLURRY BEING MAINTAINED AT 1 TEMPERATURE CLOSE TO BUT BELOW THE DEW POINT OF THE TITANIUM TETRACHLORIDE SO AS TO REMOVE SUBSTANTIALLY ALL OF SAID NORMALLY SOLID CHLORIDES FROM ADMIXTURE WITH THE REMAINING GASEOUS TITANIUM TETRACHLORIDE WITHOUT CONDENSING ALL OF THE GASEOUS TITANIUM TETRACHLORIDE, AND THEREAFTER CONDENSING AND RECOVERING THE RESULTING IRON AND ALUMINUM-FREE TITANIUM TETRACHLORIDE FROM THE GASEOUS EFFLUENT FROM THE SCRUBBING APERATION.
Claim 2
Independent Claim
171 words
THE METHOD OF RECOVERING TITANIUM TETRACHLORIDE FROM A GASEOUS MIXTURE OF THE TITANIUM TETRACHLORIDE WITH AT LEAST ONE OF THE NORMALLY SOLID CHLORIDES OF THE GROUP CONSISTING OF FERROUS CHLORIDE, FERRIC CHLORIDE AND ALUMINUM CHLORIDE WHICH COMPRISES PASSING THE GASEOUS MIXTURE THROUGH A SCRUBBING CHAMBER HAVING IN THE BOTTOM THEREOF A BODY OF A SLURRY OF SAID SOLID CHLORIDES SUBPENDED IN LIQUID TITANIUM TETRACHLORIDE, HURLING A SUBSTANTIALLY CONTINUOUS SHOWER OF SAID SLURRY THROUGHOUT THE CHAMBER WITH SUCH VIOLENCE AS TO PROVIDE BY ITSELF AND BY ITS SPLASHING AGAINST THE INTERIOR SURFACES OF THE CHAMBER A TURBULENT SHOWER OF THE SLURRY THROUGH WHICH THE GASEOUS MIXTURE PASSES, THE SLURRY BEING MAINTAINED AT 1 TEMPERATURE CLOSE TO BUT BELOW THE DEW POINT OF THE TITANIUM TETRACHLORIDE SO AS TO REMOVE SUBSTANTIALLY ALL OF SAID NORMALLY SOLID CHLORIDES FROM ADMIXTURE WITH THE REMAINING GASEOUS TITANIUM TETRACHLORIDE WITHOUT CONDENSING ALL OF THE GASEOUS TITANIUM TETRACHLORIDE, AND THEREAFTER CONDENSING AND RECOVERING THE RESULTING IRON AND ALUMINUM-FREE TITANIUM TETRACHLORIDE FROM THE GASEOUS EFFLUENT FROM THE SCRUBBING APERATION.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-26 | 1962-07-28 | 1963-01-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-26 | 1966-07-28 | 1967-01-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-26 | 1970-07-28 | 1971-01-27 | $7700.00 | Window Closed / Lapsed |