Patent US2352813A successfully refreshed from Google Patents.
Patent US2938783A successfully refreshed from Google Patents.
US2938783A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing titanium
Assignee: Individual
•
Filing: 1957-07-11
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Granted: 1960-05-31
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Expires: 1977-07-11
Abstract
No abstract record available.
Inventors
- 👤 Ustan Edward
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:46
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/129
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
91 words
A PROCESS FOR PRODUCING TITANIUM METAL OF HIGH PURTY, WHICH PROCESS COMPRISES SUBMERGING IN A BODY OF A LIQUID TITANIUM TETRAHALIDE TWO ELECTRODES OF A CHEMICALLY NONREDUCING SUBSTANCE WITH RESPECT TO SAID TETRAHALIDE, MAINTAINING A CONTINUOUS ARC BETWEEN THE ELECTRODES IN THE ABSENCE OF A REDUCING SUBSTANCE AND OF SUFFICIENT CURRENT INTENSITY TO PRODUCE, BY DISSOCIATION OF SAID TETRAHALIDE BENEATH A LAYER OF LIQUID TITANIUM TETRAHALIDE, A HALOGEN GAS AND A PRECIPITATE COMPRISING LOWER HALIDES OF TITANIUM, REMOVING THE PRECIPITATE FROM THE LIQUID AND TREATING THE PRECIPITATE TO PRODUCE TITANIUM METAL.
Claim 2
Dependent Claim
91 words
A PROCESS FOR PRODUCING TITANIUM METAL OF HIGH PURTY, WHICH PROCESS COMPRISES SUBMERGING IN A BODY OF A LIQUID TITANIUM TETRAHALIDE TWO ELECTRODES OF A CHEMICALLY NONREDUCING SUBSTANCE WITH RESPECT TO SAID TETRAHALIDE, MAINTAINING A CONTINUOUS ARC BETWEEN THE ELECTRODES IN THE ABSENCE OF A REDUCING SUBSTANCE AND OF SUFFICIENT CURRENT INTENSITY TO PRODUCE, BY DISSOCIATION OF SAID TETRAHALIDE BENEATH A LAYER OF LIQUID TITANIUM TETRAHALIDE, A HALOGEN GAS AND A PRECIPITATE COMPRISING LOWER HALIDES OF TITANIUM, REMOVING THE PRECIPITATE FROM THE LIQUID AND TREATING THE PRECIPITATE TO PRODUCE TITANIUM METAL.
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) | 1963-05-31 | 1963-11-30 | 1964-05-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-05-31 | 1967-11-30 | 1968-05-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-05-31 | 1971-11-30 | 1972-05-31 | $7700.00 | Window Closed / Lapsed |