US2626203A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making zirconium tetrachloride
Assignee: Individual
•
Filing: 1952-03-04
•
Granted: 1953-01-20
•
Expires: 1972-03-04
Abstract
No abstract record available.
Inventors
- 👤 Warren B Blumenthal
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 23:43
CPC Classifications
C; C01; C01G; C01G25/00; C01G25/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
33 words
THE METHOD OF MAKING ZIRCONIUM TETRACHLORIDE WHICH COMPRISES HEATING A MIXTURE OF ZIRCONIUM TETRAFLUORIDE AND MAGNESIUM CHLORIDE TO VAPORIZE ZIRCONIUM TETRACHLORIDE THEREFROM, AND CONDENSING THE VAPORS THUS FORMED TO RECOVER SOLID ZIRCONIUM TETRACHLORIDE.
Claim 2
Independent Claim
33 words
THE METHOD OF MAKING ZIRCONIUM TETRACHLORIDE WHICH COMPRISES HEATING A MIXTURE OF ZIRCONIUM TETRAFLUORIDE AND MAGNESIUM CHLORIDE TO VAPORIZE ZIRCONIUM TETRACHLORIDE THEREFROM, AND CONDENSING THE VAPORS THUS FORMED TO RECOVER SOLID ZIRCONIUM TETRACHLORIDE.
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) | 1956-01-20 | 1956-07-21 | 1957-01-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-01-20 | 1960-07-21 | 1961-01-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-01-20 | 1964-07-21 | 1965-01-20 | $7700.00 | Window Closed / Lapsed |