US2944887A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Manufacture of metals
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1956-02-07
•
Granted: 1960-07-12
•
Expires: 1976-02-07
Abstract
No abstract record available.
Inventors
- 👤 Gray James John
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:22
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272; Y; Y10; Y10S; Y10S266/00; Y10S266/905
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
142 words
A CONTINUOUS PROCESS FOR THE PRODUCTION OF TITANUIM WHICH COMPRISES REACTINMG TITANUIM TETRACHLORIDE WITH A REDUCING METAL SELECTED FROM THE GROUP CONSISTING OF AN ALKALI METAL, MAGNESIUM AND MIXTURES OF SAID METALS IN AN INERT ATMOSPHERE AND AT A TEMPERATURE BETWEEN THE MELTING POINT OF THE REDUCING METAL CHLORIDE AND 1000* C., SAID REACTING TAKING PLACE WITHIN A CONTINUOUSLY ROTATING REACTION VESSEL, SAID VESSEL ROTATING ABOUT ITS SUBSTANTIALLY HORIZONTAL AXIS AT A PERIPHERAL SPEED OF BETWEEN 50 AND 150 FEET PER MINUTE AND SUFFFICEINT TO FORM A PLURALITY OF AGGLOMERATES BY THE ROLLING ACTION AND THE TACKINESS OF THE TITANUIM, WHICH AGGLOMERATES CAN BE EASILY REMOVED FROM THE REACTION VESSEL ALONG WITH THE MOLTEN SALT, AND CONTINUOUSLY WITHDRAWING THE REACTION PRODUCTS FROM SAID ROTATING VESSEL, SAID TITANUIM PRODUCT BEING READILY SEPARATED FROM THE BULK OF THE SALT BY A GENTLE CRUSHING PROCESS.
Claim 2
Dependent Claim
142 words
A CONTINUOUS PROCESS FOR THE PRODUCTION OF TITANUIM WHICH COMPRISES REACTINMG TITANUIM TETRACHLORIDE WITH A REDUCING METAL SELECTED FROM THE GROUP CONSISTING OF AN ALKALI METAL, MAGNESIUM AND MIXTURES OF SAID METALS IN AN INERT ATMOSPHERE AND AT A TEMPERATURE BETWEEN THE MELTING POINT OF THE REDUCING METAL CHLORIDE AND 1000* C., SAID REACTING TAKING PLACE WITHIN A CONTINUOUSLY ROTATING REACTION VESSEL, SAID VESSEL ROTATING ABOUT ITS SUBSTANTIALLY HORIZONTAL AXIS AT A PERIPHERAL SPEED OF BETWEEN 50 AND 150 FEET PER MINUTE AND SUFFFICEINT TO FORM A PLURALITY OF AGGLOMERATES BY THE ROLLING ACTION AND THE TACKINESS OF THE TITANUIM, WHICH AGGLOMERATES CAN BE EASILY REMOVED FROM THE REACTION VESSEL ALONG WITH THE MOLTEN SALT, AND CONTINUOUSLY WITHDRAWING THE REACTION PRODUCTS FROM SAID ROTATING VESSEL, SAID TITANUIM PRODUCT BEING READILY SEPARATED FROM THE BULK OF THE SALT BY A GENTLE CRUSHING PROCESS.
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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) | 1963-07-12 | 1964-01-11 | 1964-07-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-07-12 | 1968-01-11 | 1968-07-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-07-12 | 1972-01-11 | 1972-07-12 | $7700.00 | Window Closed / Lapsed |