Patent US2868621A successfully refreshed from Google Patents.
US2868621A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making metal halides
Assignee: Ethyl Corp
•
Filing: 1953-08-31
•
Granted: 1959-01-13
•
Expires: 1973-08-31
Abstract
No abstract record available.
Inventors
- 👤 Albert P Giraitis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 09:03
CPC Classifications
C; C01; C01G; C01G1/00; C01G1/06; C01G23/00; C01G23/02; C01G23/022
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
130 words
A METHOD OF MAKING A READILY FUSED HALIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, IRON, ALUMINUM, TIN, ZINC AND LEAD WITH THE HALOGEN CONTENT OF A CORRESPONDING HALIDE OF A SECOND METAL, WHICH METHOD COMPRISES SELECTING A SECOND METAL HALIDE THAT BECOMES FLUID AT A TEMPERATURE HIGHER THAN THE DESIRED METAL HALIDE, REACTING TOGETHER SULFUR TRIOXIDE WITH SAID SELECTED METAL HALIDE AND THE OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF TITANIUM, IRON, ALUMINUM, TIN, ZINC AND LEAD, CONDUCTING THE REACTION AT A TEMPERATURE BETWEEN 200 AND 650*C. AND AT A PRESSURE AT WHICH THE DESIRED HALIDE IS FLUID AND IS IN A DIFFERENT PHASE FROM THAT OF THE SECOND METAL HALIDE, AND PHYSICALLY SEPARATING THE DESIRED METAL HALIDE PHASE FROM THE REACTION MIXTURE.
References Cited (Backward Citations)
US1312743A
Cited
US2276079A
Cited
US2375000A
Cited
US2401644A
Cited
US2486572A
Cited
US2547928A
Cited
US2608464A
Cited
US2701180A
Cited
US2626203A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-01-12 | 1962-07-14 | 1963-01-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-01-12 | 1966-07-14 | 1967-01-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-01-12 | 1970-07-14 | 1971-01-13 | $7700.00 | Window Closed / Lapsed |