Patent US2830888A successfully refreshed from Google Patents.
US2830888A
Expired / Lapsed
US
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Process for the preparation of titanium and zirconium subchlorides
Assignee: Millennium Petrochemicals Inc
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Filing: 1955-09-21
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Granted: 1958-04-15
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Expires: 1975-09-21
Abstract
No abstract record available.
Inventors
- 👤 Robert C Wade
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 05:55
CPC Classifications
C; C01; C01G; C01G23/00; C01G23/02; C01G23/026
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS FOR PRODUCTION OF SUBCHLORIDES OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM WHICH COMPRISES ADDING TO AN AGITATED, DRY, SOLID, FINELY DIVIDED REACTION BED COMPRISING SODIUM CHLORIDE, ONE TO THREE EQUIVALENTS OF SODIUM AND ONE EQUIVALENT OF A METAL TETRACHLORIDE SELECTED FROM THE GROUP CONSISTING OF TITANIUM TETRACHLORIDE AND ZIRCONIUM TETRACHLORIDE, THESE BEING THE SOLE INGREDIENTS ADDED TO THE BED, AND MAINTAINING A REACTION TEMPERATURE WITHIN THE RANGE BETWEEN THE MELTING POINT OF SODIUM AND THE MELTING POINT OF SODIUM CHLORIDE.
Claim 2
Dependent Claim
87 words
A PROCESS FOR PRODUCTION OF SUBCHLORIDES OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM AND ZIRCONIUM WHICH COMPRISES ADDING TO AN AGITATED, DRY, SOLID, FINELY DIVIDED REACTION BED COMPRISING SODIUM CHLORIDE, ONE TO THREE EQUIVALENTS OF SODIUM AND ONE EQUIVALENT OF A METAL TETRACHLORIDE SELECTED FROM THE GROUP CONSISTING OF TITANIUM TETRACHLORIDE AND ZIRCONIUM TETRACHLORIDE, THESE BEING THE SOLE INGREDIENTS ADDED TO THE BED, AND MAINTAINING A REACTION TEMPERATURE WITHIN THE RANGE BETWEEN THE MELTING POINT OF SODIUM AND THE MELTING POINT OF SODIUM CHLORIDE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1961-04-14 | 1961-10-14 | 1962-04-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-04-14 | 1965-10-14 | 1966-04-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-04-14 | 1969-10-14 | 1970-04-15 | $7700.00 | Window Closed / Lapsed |