US3149911A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing titanium tetrachloride
Assignee: Montedison SpA
•
Filing: 1961-06-20
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Granted: 1964-09-22
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Expires: 1981-06-20
Abstract
No abstract record available.
Inventors
- 👤 Fornasieri Eraldo
- 👤 Forni Aldo
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 03:38
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
86 words
A CONTINUOUS PROCESS FOR PRODUCING TITANIUM TETRACHLORIDE FROM OXYGENATED TITANIUM-CONTAINING MATERIAL WHICH COMPRISES BURNING WITHIN A FURNACE A LOWER LAYER OF COAL WITH AIR, USING THE REACTION PRODUCTS OF SAID BURNING TO PREHEAT CHLORINE, PASSING SAID PREHEATED CHLORINE UPWARDLY THROUGH A BED, WITHIN SAID FURNACE, CONSISTING OF 95 TO 85% BY WEIGHT OF BRIQUETTES AND 5 TO 15% OF COAL PIECES, SAID BRIQUETTES CONSISTING ESSENTIALLY OF TITANIUM-CONTAINING MATERIALS AND COAL, THE COAL IN THE BRIQUETTES BEING FROM ABOUT 18 TO 23% BY WEIGHT OF THE BRIQUETTES.
Claim 2
Dependent Claim
86 words
A CONTINUOUS PROCESS FOR PRODUCING TITANIUM TETRACHLORIDE FROM OXYGENATED TITANIUM-CONTAINING MATERIAL WHICH COMPRISES BURNING WITHIN A FURNACE A LOWER LAYER OF COAL WITH AIR, USING THE REACTION PRODUCTS OF SAID BURNING TO PREHEAT CHLORINE, PASSING SAID PREHEATED CHLORINE UPWARDLY THROUGH A BED, WITHIN SAID FURNACE, CONSISTING OF 95 TO 85% BY WEIGHT OF BRIQUETTES AND 5 TO 15% OF COAL PIECES, SAID BRIQUETTES CONSISTING ESSENTIALLY OF TITANIUM-CONTAINING MATERIALS AND COAL, THE COAL IN THE BRIQUETTES BEING FROM ABOUT 18 TO 23% BY WEIGHT OF THE BRIQUETTES.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1967-09-22 | 1968-03-23 | 1968-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-09-22 | 1972-03-23 | 1972-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-09-22 | 1976-03-23 | 1976-09-22 | $7700.00 | Window Closed / Lapsed |