Patent US2804386A successfully refreshed from Google Patents.
US2804386A
Expired / Lapsed
US
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Method of producing titanium metal
Assignee: Titanium Metals Corp
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Filing: 1956-05-31
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Granted: 1957-08-27
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Expires: 1976-05-31
Abstract
No abstract record available.
Inventors
- 👤 Edward G Mcmackin
- 👤 John E Mcmillan
- 👤 Gordon W Miles
- 👤 William E Mooz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 03:24
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
IN A METHOD FOR PRODUCTION OF METALLIC TITANIUM WHEREIN TICL4 IS ADDED TO AND REACTED WITH METALLIC MAGNESIUM IN A CLOSED REACTOR UNDER A NON-CONTAMINATING ATMOSPHERE, THE STEPS IN CONBINATION WHICH COMPRISE; CHARGING METALLIC MAGNESIUM INTO SAID REACTOR, INSTILLING ONTO THE TOP OF SAID MAGNESIUM BETWEEN ABOUT 60% AND 75% OF THE AMOUNT OF TICL4 STOICHIOMETRICALLY REQUIRED TO PRODUCE METALLIC TITANIUM BY REACTION THEREWITH, MANTAINING DURING SUCH TOP ADDITION OF TICL4 A VERTICAL ELONGATED BODY, WHOSE OUTER SURFACE TEMPERATURE IS BETWEEN ABOUT 710*C. AND 920*C., IN THE REACTION MASS TO FORM A VERTICAL ELONGATED CAVITY IN THE TITANIUM SPONGE FORMED DURING SUCH TICL4 ADDITION, DISCONTINUING INSTILLATION OF TICL4 ONTO THE TOP OF THE REACTION MASS, AND INTRODUCING ADDITIONAL TICL4 INTO SAID REACTOR THROUGH A FEED PIPE DISPOSED IN SAID CAVITY FORMED IN THE TITANIUM SPONGE AND HAVING ITS LOWER OPEN EXTREMITY NEAR THE BOTTOM OF SAID REACTOR IN AMOUNT SO THAT THE TOP FED AND BOTTOM FED TICL4 IS BETWEEN 85% AND 95% OF THAT STOICHIOMETRICALLY REQUIRED TO FORM METALLIC TITANIUM WITH THE METALLIC MAGNESIUM IN THE REACTOR.
Claim 2
Dependent Claim
178 words
IN A METHOD FOR PRODUCTION OF METALLIC TITANIUM WHEREIN TICL4 IS ADDED TO AND REACTED WITH METALLIC MAGNESIUM IN A CLOSED REACTOR UNDER A NON-CONTAMINATING ATMOSPHERE, THE STEPS IN CONBINATION WHICH COMPRISE; CHARGING METALLIC MAGNESIUM INTO SAID REACTOR, INSTILLING ONTO THE TOP OF SAID MAGNESIUM BETWEEN ABOUT 60% AND 75% OF THE AMOUNT OF TICL4 STOICHIOMETRICALLY REQUIRED TO PRODUCE METALLIC TITANIUM BY REACTION THEREWITH, MANTAINING DURING SUCH TOP ADDITION OF TICL4 A VERTICAL ELONGATED BODY, WHOSE OUTER SURFACE TEMPERATURE IS BETWEEN ABOUT 710*C. AND 920*C., IN THE REACTION MASS TO FORM A VERTICAL ELONGATED CAVITY IN THE TITANIUM SPONGE FORMED DURING SUCH TICL4 ADDITION, DISCONTINUING INSTILLATION OF TICL4 ONTO THE TOP OF THE REACTION MASS, AND INTRODUCING ADDITIONAL TICL4 INTO SAID REACTOR THROUGH A FEED PIPE DISPOSED IN SAID CAVITY FORMED IN THE TITANIUM SPONGE AND HAVING ITS LOWER OPEN EXTREMITY NEAR THE BOTTOM OF SAID REACTOR IN AMOUNT SO THAT THE TOP FED AND BOTTOM FED TICL4 IS BETWEEN 85% AND 95% OF THAT STOICHIOMETRICALLY REQUIRED TO FORM METALLIC TITANIUM WITH THE METALLIC MAGNESIUM IN THE REACTOR.
References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-08-26 | 1961-02-25 | 1961-08-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-08-26 | 1965-02-25 | 1965-08-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-08-26 | 1969-02-25 | 1969-08-27 | $7700.00 | Window Closed / Lapsed |