US3174873A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Entrainment of vapours in gases
Assignee: British Titan Products Co Ltd
•
Filing: 1961-04-25
•
Granted: 1965-03-23
•
Expires: 1981-04-25
Abstract
No abstract record available.
Inventors
- 👤 Callow Alan Edward
- 👤 Groves James Dennis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:11
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/04; C01G23/047; C01G23/07; C01B; C01B33/00; C01B33/113; C01B33/12; C01B33/18; C01B33/181; C01B33/183; C01B35/00; C01B35/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
98 words
IN THE PROCESS OF OXIDIZING TITANIUM TETRACHLORIDE BY THE REACTION OF TITANIUM TETRACHLORIDE WITH OXYGEN AT A TEMPERATURE OF 750*C. TO 1400*C., THE IMPROVEMENT WHICH COMPRISES VAPORIZING SOLID ALUMINUM HALIDE IN AN INERT FLUIDZED BED MAINTAINED AT A TEMPERATURE OF 100*C. TO 250*C. SAID BED BEING FLUIDIZED BY OXYGEN, SAID SOLID ALUMINUM HALIDE BEING INTRODUCED TO SAID FLUIDIZED BED AT A RATE SUCH THAT A PREDETERMINE DPROPORTION OF SAID VAPORIZED ALUMINUM HALIDE TO SAID OXYGEN IS MAINTAINED IN SAID OXYGEN, WITHDRAWING SAID VAPORIZED ALUMINUM CHLORIDE IN ADMIXTURE WITH SAID OXYGEN, AND INTRODUCING SAID MIXTURE TO THE OXIDATION REACTION.
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) | 1968-03-22 | 1968-09-21 | 1969-03-23 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1972-03-22 | 1972-09-21 | 1973-03-23 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1976-03-22 | 1976-09-21 | 1977-03-23 | $7700.00 | Window Closed / Lapsed |