Patent US2905841A successfully refreshed from Google Patents.
US2783142A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of producing titanium
Assignee: National Research Corp
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Filing: 1952-08-14
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Granted: 1957-02-26
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Expires: 1972-08-14
Abstract
No abstract record available.
Inventors
- 👤 Richard H Singleton
- 👤 Philip J Clough
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 05:39
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1222; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
71 words
THE PROCESS OF MANUFACTURING TITANIUM TRICHLORIDE WHICH COMPRISES FORMING A CRUDE ALLOY OF TITANIUM AND COPPER, HEATING SAID ALLOY IN A REACTIN ZONE TO A TEMPERATURE ABOVE ABOUT 800*C., CONTACTING SAID HOT ALLOY WITH HYDROGEN CHLORIDE TO CONVERT SAID TITANIUM TO GASEOUS TITANIUM TRICHLORIDE, MAINTAINING IN THE REACTION ZONE AT LEAST ONE MOLE OF HYDROGEN FOR EACH THREE MOLES OF HYDROGEN CHLORIDE, AND REMOVING GASEOUS TITANIUM TRICHLORIDE FROM THE REACTION ZONE.
Claim 2
Dependent Claim
71 words
THE PROCESS OF MANUFACTURING TITANIUM TRICHLORIDE WHICH COMPRISES FORMING A CRUDE ALLOY OF TITANIUM AND COPPER, HEATING SAID ALLOY IN A REACTIN ZONE TO A TEMPERATURE ABOVE ABOUT 800*C., CONTACTING SAID HOT ALLOY WITH HYDROGEN CHLORIDE TO CONVERT SAID TITANIUM TO GASEOUS TITANIUM TRICHLORIDE, MAINTAINING IN THE REACTION ZONE AT LEAST ONE MOLE OF HYDROGEN FOR EACH THREE MOLES OF HYDROGEN CHLORIDE, AND REMOVING GASEOUS TITANIUM TRICHLORIDE FROM THE REACTION ZONE.
Claim 3
Dependent Claim
122 words
THE PROCESS OF MANUFACTURING TITANIUM WHICH COMPRISES FORMING A CRUDE ALLOY OF TITANIUM AND A SECOND METAL SELECTED FROM THE CLASS CONSISTING OF COPPER AND NICKEL, HEATING SAID ALLOY IN A REACTION ZONE TO A TEMPERATURE ABOVE ABOUT 1000*C., CONTACTING SAID HOT ALLOY WITH HYDROGEN CHLORIDE TO CONVERT SAID TITANIUM TO A GASEOUS LOWER CHLORIDE OF TITANIUM AND TO CNVERT SAID HYDROGEN CHLORIDE TO HYDROGEN, PASSING THE GASEOUS PRODUCTS FROM THE REACTION ZONE, COOLING THE GASEOUS PRODUCTS LEAVING THE SAID REACTION ZONE TO A TEMPERATURE BELOW ABOUT 500* C., HEATNG THE COOLED PRODUCTS TO A TEMPERATURE OF ABOUT 600*C. IN THE PRESENCE OF TITANIUM TETRACHLORIDE TO SUBLIME TITIANIUM TRICHLORIDE, CONDENSING SAID SUBLIMED TITANIUM TRICHLORIDE, AND CONVERTING SAID TITANIUM TRICHLORIDE TO TITANIUM METAL.
Claim 4
Dependent Claim
122 words
THE PROCESS OF MANUFACTURING TITANIUM WHICH COMPRISES FORMING A CRUDE ALLOY OF TITANIUM AND A SECOND METAL SELECTED FROM THE CLASS CONSISTING OF COPPER AND NICKEL, HEATING SAID ALLOY IN A REACTION ZONE TO A TEMPERATURE ABOVE ABOUT 1000*C., CONTACTING SAID HOT ALLOY WITH HYDROGEN CHLORIDE TO CONVERT SAID TITANIUM TO A GASEOUS LOWER CHLORIDE OF TITANIUM AND TO CNVERT SAID HYDROGEN CHLORIDE TO HYDROGEN, PASSING THE GASEOUS PRODUCTS FROM THE REACTION ZONE, COOLING THE GASEOUS PRODUCTS LEAVING THE SAID REACTION ZONE TO A TEMPERATURE BELOW ABOUT 500* C., HEATNG THE COOLED PRODUCTS TO A TEMPERATURE OF ABOUT 600*C. IN THE PRESENCE OF TITANIUM TETRACHLORIDE TO SUBLIME TITIANIUM TRICHLORIDE, CONDENSING SAID SUBLIMED TITANIUM TRICHLORIDE, AND CONVERTING SAID TITANIUM TRICHLORIDE TO TITANIUM METAL.
References Cited (Backward Citations)
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US2519385A
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US2694652A
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US2607675A
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US2618549A
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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) | 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 |