Patent US3407033A successfully refreshed from Google Patents.
US3407033A
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Method of treating titanium ores with hydrochloric acid to produce titanium tetrachloride therefrom
Assignee: BK Giulini Chemie GmbH
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Filing: 1966-04-27
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Granted: 1968-10-22
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Expires: 1986-04-27
Abstract
No abstract record available.
Inventors
- 👤 Ruter Hermann
- 👤 Haerter Manfred
- 👤 Cherdron Egon
- 👤 Scheuermann Eugen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 15:22
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1236; C22B34/124; C22B34/1245
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
86 words
METHOD FOR THE DECOMPOSITION OF TITANIUM ORES TO PRODUCE TITANIUM TETRACHLORIDE THEREFROM WITH HYDROCHLORIC ACID HAVING A CONCENTRATION ABOVE ABOUT 32% BY WEIGHT, UNDER AN INITIAL PRESSURE GREATER THAN ATMOSPHERIC AND AT ELEVATED TEMPERATURE ABOVE THE BOILING POINT OF THE HYDROCHLORIC ACID, COMPRISING THE STEPS OF (A) PROVIDING A LOOSELY CONSTITUTED BODY OF A TITANIUM ORE IN A REACTION ZONE, INTRODUCING STREAMS OF HOT HYDROCHLORIC ACID FOR PENETRATING SAID BODY OF ORE TO ATTAIN A PREDETERMINED DECOMPOSITION TEMPERATURE OF THE ORE AT LEAST ABOUT 70*C.; AND
Claim 2
Dependent Claim
86 words
METHOD FOR THE DECOMPOSITION OF TITANIUM ORES TO PRODUCE TITANIUM TETRACHLORIDE THEREFROM WITH HYDROCHLORIC ACID HAVING A CONCENTRATION ABOVE ABOUT 32% BY WEIGHT, UNDER AN INITIAL PRESSURE GREATER THAN ATMOSPHERIC AND AT ELEVATED TEMPERATURE ABOVE THE BOILING POINT OF THE HYDROCHLORIC ACID, COMPRISING THE STEPS OF (A) PROVIDING A LOOSELY CONSTITUTED BODY OF A TITANIUM ORE IN A REACTION ZONE, INTRODUCING STREAMS OF HOT HYDROCHLORIC ACID FOR PENETRATING SAID BODY OF ORE TO ATTAIN A PREDETERMINED DECOMPOSITION TEMPERATURE OF THE ORE AT LEAST ABOUT 70*C.; AND
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) | 1971-10-22 | 1972-04-22 | 1972-10-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-10-22 | 1976-04-22 | 1976-10-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-10-22 | 1980-04-22 | 1980-10-22 | $7700.00 | Window Closed / Lapsed |