US2608464A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Preparation of titanium and zirconium tetrahalides
Assignee: NL Industries Inc
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Filing: 1950-08-10
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Granted: 1952-08-26
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Expires: 1970-08-10
Abstract
No abstract record available.
Inventors
- 👤 Aagaard Leif
- 👤 George E Bronson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:23
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02; C01G23/022; C01G25/00; C01G25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
A PROCESS FOR PRODUCTION OF TETAHALIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM WHICH COMPRISES ADMIXING A PHOSPHATE OF SAID METAL AND A HALIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALINE EARTH METALS AND MAGNESIUM, AND HEATING THE MIXTURE TO A TEMPERATURE OF AT LEAST SUBSTANTIALLY AS HIGH AS THE MELTING POINT OF SAID ALKALINE EARTH METAL OR MAGNESIUM HALIDE UNTIL THE TETRAHLIDE OF SAID FIRST GROUP MENTIONED METAL IS SEPARATED AS A VOLATILIZED PRODUCT.
Claim 2
Dependent Claim
83 words
A PROCESS FOR PRODUCTION OF TETAHALIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM WHICH COMPRISES ADMIXING A PHOSPHATE OF SAID METAL AND A HALIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF ALKALINE EARTH METALS AND MAGNESIUM, AND HEATING THE MIXTURE TO A TEMPERATURE OF AT LEAST SUBSTANTIALLY AS HIGH AS THE MELTING POINT OF SAID ALKALINE EARTH METAL OR MAGNESIUM HALIDE UNTIL THE TETRAHLIDE OF SAID FIRST GROUP MENTIONED METAL IS SEPARATED AS A VOLATILIZED PRODUCT.
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) | 1955-08-26 | 1956-02-25 | 1956-08-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-08-26 | 1960-02-25 | 1960-08-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-08-26 | 1964-02-25 | 1964-08-26 | $7700.00 | Window Closed / Lapsed |