US3086843A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Methods for the production of titanium tetrachloride
Assignee: British Titan Products Co Ltd
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Filing: 1957-04-04
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Granted: 1963-04-23
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Expires: 1977-04-04
Abstract
No abstract record available.
Inventors
- 👤 Arthur W Evans
- 👤 James D Groves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 05:41
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1222; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
151 words
IN A PROCESS FOR THE PRODUCTION OF TITANIUM TETRACHLORIDE FROM A MATERIAL WHICH CONTAINS IRON AND TITANIUM IN OXIDE FROM AND IMPURITIES IN THE FORM OF A MEMBER OF THE GROUP CONSISTING OF ZIRCON AND SILICA, THE IMPROVEMENT WHICH COMPRISES ESTABLISHING A FLUIDIZED BED OF SAID MATERIAL, PASSING AN UPWARDLY RISING STREAM OF CHLORINE THROUGH SAID BED AT A RATE HIGH ENOUGH TO FLUIDIZE THE BED BUT LOW ENOUGH SO THAT SUBSTANTIALLY NO FREE CHLORINE APPEARS IN THE VAPOR ESCAPING FROM THE BED, MAINTAINING THE TEMPERATURE OF THE BED SUFFICIENTLY HIGH TO FORM AND VAPORIZE IRON AND TITANIUM CHLORIDES AND SUFFICIENTLY LOW TO RETAIN AND ACCUMULATE IN THE BED SAID IMPURITIES AND REGULATING THE FORMATION AND VAPORIZATION OF IRON AND TITANIUM CHLORIDES BY PERIODICALLY ANALYZING THE PRODUCT VAPORS FOR CHLORINE, AND WHEN FREE CHLORINE PERSISTS THEREIN RECONSTITUTING THE COMPOSITION OF THE ED BY REMOVING A PORTION THEREOF, INCLUDING SAID ACCUMULATED IM-
Claim 2
Dependent Claim
151 words
IN A PROCESS FOR THE PRODUCTION OF TITANIUM TETRACHLORIDE FROM A MATERIAL WHICH CONTAINS IRON AND TITANIUM IN OXIDE FROM AND IMPURITIES IN THE FORM OF A MEMBER OF THE GROUP CONSISTING OF ZIRCON AND SILICA, THE IMPROVEMENT WHICH COMPRISES ESTABLISHING A FLUIDIZED BED OF SAID MATERIAL, PASSING AN UPWARDLY RISING STREAM OF CHLORINE THROUGH SAID BED AT A RATE HIGH ENOUGH TO FLUIDIZE THE BED BUT LOW ENOUGH SO THAT SUBSTANTIALLY NO FREE CHLORINE APPEARS IN THE VAPOR ESCAPING FROM THE BED, MAINTAINING THE TEMPERATURE OF THE BED SUFFICIENTLY HIGH TO FORM AND VAPORIZE IRON AND TITANIUM CHLORIDES AND SUFFICIENTLY LOW TO RETAIN AND ACCUMULATE IN THE BED SAID IMPURITIES AND REGULATING THE FORMATION AND VAPORIZATION OF IRON AND TITANIUM CHLORIDES BY PERIODICALLY ANALYZING THE PRODUCT VAPORS FOR CHLORINE, AND WHEN FREE CHLORINE PERSISTS THEREIN RECONSTITUTING THE COMPOSITION OF THE ED BY REMOVING A PORTION THEREOF, INCLUDING SAID ACCUMULATED IM-
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) | 1966-04-22 | 1966-10-22 | 1967-04-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-04-22 | 1970-10-22 | 1971-04-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-04-22 | 1974-10-22 | 1975-04-23 | $7700.00 | Window Closed / Lapsed |