Patent US2694653A successfully refreshed from Google Patents.
US2694653A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of metallic titanium
Assignee: Chilean Nitrate Corp
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Filing: 1948-04-12
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Granted: 1954-11-16
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Expires: 1968-04-12
Abstract
No abstract record available.
Inventors
- 👤 Alfred C Loonam
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:10
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/129
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
141 words
THE METHOD OF RECOVERING HIGH-PURITY METALLIC TITANIUM FROM TITANIUM-BEARING ORE WHICH COMPRISES SUBJECTING THE ORE TO A SUITABLE TREATMENT AND PRODUCING SUBSTANTIALLY PURE TITANIUM DIOXIDE, SUBJECTING THE TITANIUM DIOXIDE TO A REDUCING TREATMENT TO PRODUCT A RELATIVELY CRUDE METALLIC TITANIUM-BEARING PRODUCT CAPABLE OF REACTING WITH IODINE TO PRODUCE A TITANIUM TETRAIODIDE PROUDCT, SUBJECTING THE CRUDE METALLIC TITANIUM-BEARING PRODUCT TO THE ACTION OF IODINE TO PRODUCE A TITANIUM TETRAIODIDE-CONTAINING PRODUCT, SUBJECTING THE TITANIUM TETRAIODIDE-CONTAINING PRODUCT TO A FRACTIONATING TREATMENT TO SEPARATE PURE TITANIUM TETRAIODIDE, SUBJECTING THE TITANIUM TETRAIODIDE TO A DISSOCIATION TREATMENT TO PRODUCE SUBSTANTIALLY PURE METALLIC TITANIUM AND ELEMENTAL IODINE BY PASSING THE TITANIUM TETRAIODIDE IN VAPOR FORM IN CONTACT WITH A BODY OF METALLIC TITANIUM HEATED TO A TEMPERATURE IN THE RANGE, 1100* C. TO 1700* C., AND UTILIZING THE IODINE IN THE TREATMENT OF ADDITIONAL CRUDE METALLIC TITANIUM-BEARING MATERIAL.
Claim 2
Independent Claim
141 words
THE METHOD OF RECOVERING HIGH-PURITY METALLIC TITANIUM FROM TITANIUM-BEARING ORE WHICH COMPRISES SUBJECTING THE ORE TO A SUITABLE TREATMENT AND PRODUCING SUBSTANTIALLY PURE TITANIUM DIOXIDE, SUBJECTING THE TITANIUM DIOXIDE TO A REDUCING TREATMENT TO PRODUCT A RELATIVELY CRUDE METALLIC TITANIUM-BEARING PRODUCT CAPABLE OF REACTING WITH IODINE TO PRODUCE A TITANIUM TETRAIODIDE PROUDCT, SUBJECTING THE CRUDE METALLIC TITANIUM-BEARING PRODUCT TO THE ACTION OF IODINE TO PRODUCE A TITANIUM TETRAIODIDE-CONTAINING PRODUCT, SUBJECTING THE TITANIUM TETRAIODIDE-CONTAINING PRODUCT TO A FRACTIONATING TREATMENT TO SEPARATE PURE TITANIUM TETRAIODIDE, SUBJECTING THE TITANIUM TETRAIODIDE TO A DISSOCIATION TREATMENT TO PRODUCE SUBSTANTIALLY PURE METALLIC TITANIUM AND ELEMENTAL IODINE BY PASSING THE TITANIUM TETRAIODIDE IN VAPOR FORM IN CONTACT WITH A BODY OF METALLIC TITANIUM HEATED TO A TEMPERATURE IN THE RANGE, 1100* C. TO 1700* C., AND UTILIZING THE IODINE IN THE TREATMENT OF ADDITIONAL CRUDE METALLIC TITANIUM-BEARING MATERIAL.
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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) | 1957-11-15 | 1958-05-17 | 1958-11-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1961-11-15 | 1962-05-17 | 1962-11-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1965-11-15 | 1966-05-17 | 1966-11-16 | $7700.00 | Window Closed / Lapsed |