Patent US2522679A successfully refreshed from Google Patents.
US2522679A
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Method of producing titanium alloys
Assignee: Individual
•
Filing: 1945-02-17
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Granted: 1950-09-19
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Expires: 1965-02-17
Abstract
No abstract record available.
Inventors
- 👤 William J Kroll
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 12:17
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02; C01G23/022; B; B22; B22F; B22F9/00; B22F9/16; B22F9/18; B22F9/24; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1263; C22B34/1268; C22B34/1272
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
116 words
THE METHOD OF PRODUCING TITANIUM-BASE ALLOYS SUBSTANTIALLY FREE OF EMBRITTLING OXIDE, NITRIDE AND HYDRIDE COMPOUNDS WHICH COMPRISES FORMING A LIQUID PHASE MIXTURE OF METAL CHLORIDES CONSISTING PREDOMINANTLY OF TITANIUM TETRACHLORIDE AND IN MINOR PART OF AT LEAST ONE OTHER METAL CHLORIDE WHICH IS SOLUBLE IN THE LIQUID PHASE TITANIUM TETRACHLORIDE, FILTERING THE SAME TO REMOVE OXYGEN-CONTAINING SOLUBLES THEREFROM AND REDUCING THE FILTERED MIXTURE TO METAL POWDER FORM BY REACTING THE SAME WITH MOLTEN MAGNESIUM UNDER AN INERT GAIN MAINTAINED AT ATMOSPHERIC PRESSURE, SEPARATING THE METAL POWDERS OBTAINED FROM THE EXCESS MAGNESIUM AND FROM THE MAGNESIUM CHLORIDE PRODUCT OF THE REDUCTION REACTION, AND COMPACTING AND SINTERING THE RECOVERED METAL POWDERS TO COHERENT METAL IN AN INERT ATMOSPHERE.
References Cited (Backward Citations)
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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) | 1953-09-18 | 1954-03-20 | 1954-09-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-18 | 1958-03-20 | 1958-09-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-18 | 1962-03-20 | 1962-09-19 | $7700.00 | Window Closed / Lapsed |