Patent US4373249A successfully refreshed from Google Patents.
Patent US2783192A successfully refreshed from Google Patents.
US2783192A
Expired / Lapsed
US
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Process for producing titanium
Assignee: Chicago Dev Corp
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Filing: 1954-09-22
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Granted: 1957-02-26
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Expires: 1974-09-22
Abstract
No abstract record available.
Inventors
- 👤 Reginald S Dean
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 06:52
CPC Classifications
C; C25; C25C; C25C3/00; C25C3/26; C25C3/28
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
114 words
THE PROCESS OF PRODUCING TITANIUM WHICH INCLUDES THE STEPS OF SLOWLY COOLING A BODY OF MOLTEN IMPURE TITANIUM CONTAINING A MINOR PROPORTION OF INSOLUBLE IMPURITIES AND DISSOLVED OXYGEN TO SEGREGATE THE INSOLUBLE IMPURITIES INTO THE CORE OF AN INGOT, MAKING SAID INGOT AN ANODE IN A FUSED ELECTROLYTE OF AT LEAST ONE SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH CHLORIDES AND BROMIDES, PASSING A DIRECT CURRENT FROM THE ANODE TO AN INERT CATHODE TO PRODUCE TITANIUM METAL ADMIXED WITH THE ELECTROLYTE AND TO SEGREGATE THE OXYGEN DISSOLVED IN THE TITANIUM METAL OF THE ANODE INTO THE CORE OF THE ANODE, AND INTERRUPTING THE ELECTROLYSIS BEFORE THE CORE BEGINS TO DISINTEGRATE.
Claim 2
Dependent Claim
114 words
THE PROCESS OF PRODUCING TITANIUM WHICH INCLUDES THE STEPS OF SLOWLY COOLING A BODY OF MOLTEN IMPURE TITANIUM CONTAINING A MINOR PROPORTION OF INSOLUBLE IMPURITIES AND DISSOLVED OXYGEN TO SEGREGATE THE INSOLUBLE IMPURITIES INTO THE CORE OF AN INGOT, MAKING SAID INGOT AN ANODE IN A FUSED ELECTROLYTE OF AT LEAST ONE SALT SELECTED FROM THE GROUP CONSISTING OF ALKALI AND ALKALINE EARTH CHLORIDES AND BROMIDES, PASSING A DIRECT CURRENT FROM THE ANODE TO AN INERT CATHODE TO PRODUCE TITANIUM METAL ADMIXED WITH THE ELECTROLYTE AND TO SEGREGATE THE OXYGEN DISSOLVED IN THE TITANIUM METAL OF THE ANODE INTO THE CORE OF THE ANODE, AND INTERRUPTING THE ELECTROLYSIS BEFORE THE CORE BEGINS TO DISINTEGRATE.
References Cited (Backward Citations)
FR1064893A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-02-26 | 1960-08-27 | 1961-02-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-02-26 | 1964-08-27 | 1965-02-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-02-26 | 1968-08-27 | 1969-02-26 | $7700.00 | Window Closed / Lapsed |