Patent US2708158A successfully refreshed from Google Patents.
US2708158A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Production of titanium
Assignee: Individual
•
Filing: 1950-09-27
•
Granted: 1955-05-10
•
Expires: 1970-09-27
Abstract
No abstract record available.
Inventors
- 👤 Eugene M Smith
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 07:46
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
129 words
A PROCESS OF PRODUCING TITANIUM COMPRISING REACTING TITANIUM TETRACHLORIDE WITH MAGNESIUM BY CONTINOUSLY INTRODUCING TITANIUM TETRACHLORIDE VAPOR UNDER PRESSURE INTO A REACTION CHAMBER IN WHICH THE TEMPERATURE IS MAINTAINED APPROXIMATELY IN THE RANGE 1400-1600* C., CONTINUOUSLY FEEDING TO THE ENTRANCE TO THE REACTION CHAMBER MAGNESIUM IN SOLID STATE IN A MASS OF SUBSTANTIALLY CONSTANT CROSS-SECTION IN ACCURATELY PREDETERMINED MASS RATE RELATIVELY TO THE MASS OF THE TITANIUM TETRACHLORIDE VAPOR SO THAT AN EXCESS OF UREACTED MAGNESIUM IS AVOIDED, MELTING THE MAGNESIUM SUBSTANTIALLY AT THE ENTRANCE TO THE REACTION CHAMBER, SPRAYING THE MOLTEN MAGNESIUM INTO THE REACTION CHAMBER, IN THE REACTION CHAMBER BRINGING THE MAGNESIUM SPRAY INTO INTIMATE CONTACT WITH THE TITANIUM TETRACHLORIDE VAPOR AND THREBY CONTINUOUSLY FORMING TITANIUM AND MAGNESIUM CHLORIDE, AND SEPARATING THE TITANIUM FROM THE MAGNESIUM CHLORIDE.
Claim 2
Dependent Claim
129 words
A PROCESS OF PRODUCING TITANIUM COMPRISING REACTING TITANIUM TETRACHLORIDE WITH MAGNESIUM BY CONTINOUSLY INTRODUCING TITANIUM TETRACHLORIDE VAPOR UNDER PRESSURE INTO A REACTION CHAMBER IN WHICH THE TEMPERATURE IS MAINTAINED APPROXIMATELY IN THE RANGE 1400-1600* C., CONTINUOUSLY FEEDING TO THE ENTRANCE TO THE REACTION CHAMBER MAGNESIUM IN SOLID STATE IN A MASS OF SUBSTANTIALLY CONSTANT CROSS-SECTION IN ACCURATELY PREDETERMINED MASS RATE RELATIVELY TO THE MASS OF THE TITANIUM TETRACHLORIDE VAPOR SO THAT AN EXCESS OF UREACTED MAGNESIUM IS AVOIDED, MELTING THE MAGNESIUM SUBSTANTIALLY AT THE ENTRANCE TO THE REACTION CHAMBER, SPRAYING THE MOLTEN MAGNESIUM INTO THE REACTION CHAMBER, IN THE REACTION CHAMBER BRINGING THE MAGNESIUM SPRAY INTO INTIMATE CONTACT WITH THE TITANIUM TETRACHLORIDE VAPOR AND THREBY CONTINUOUSLY FORMING TITANIUM AND MAGNESIUM CHLORIDE, AND SEPARATING THE TITANIUM FROM THE MAGNESIUM CHLORIDE.
References Cited (Backward Citations)
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Cited
US1306568A
Cited
GB253161A
Cited
US1695041A
Cited
US2091087A
Cited
FR827315A
Cited
US2205854A
Cited
US2405580A
Cited
US2556763A
Cited
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) | 1958-05-09 | 1958-11-08 | 1959-05-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1962-05-09 | 1962-11-08 | 1963-05-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1966-05-09 | 1966-11-08 | 1967-05-10 | $7700.00 | Window Closed / Lapsed |