Patent US2856335A successfully refreshed from Google Patents.
US2856335A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for the production of salt compositions
Assignee: EIDP Inc
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Filing: 1954-12-01
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Granted: 1958-10-14
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Expires: 1974-12-01
Abstract
No abstract record available.
Inventors
- 👤 Christian E Rick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:22
CPC Classifications
C; C01; C01G; C01G1/00; C01G1/06; C01G23/00; C01G23/002
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
116 words
THE PROCESS WHICH COMPRISES SIMULTANEOUSLY PASSING INTO A SUBSTANTIALLY VAPOR-FILLED REACTION CHAMBER FOR REACTION WITH EACH OTHER WHILE MOVING THROUGH SAID CHAMBER A VAPOROUS STREAM OF AN ALKALI METAL FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM AND A VAPOROUS STREAM OF A GROUP IV METAL TETRAHALIDE FROM THE GROUP CONSISTING OF TETRAFLUORIDES, TETRACHLORIDES, TETRABROMIDES, AND TETRAIODIDES OF TITANIUM, ZIRCONIUM, AND HAFNIUM AT A TEMPERATURE ABOVE THE CONDENSATION TEMPERATURE OF SAID VAPORS AND AT A PRESSURE OF AT LEAST ATMOSPHERIC, SAID PASSAGE OF VAPORS BEING REGULATED TO MAINTAIN AN ATOMIC RATIO OF ALKALI METAL TO METAL IN THE TETRAHALIDE OF LESS THAN 2:1, CONDENSING AND RECOVERING THE RESULTING GROUP IV METAL SUBHALIDE-ALKALI METAL HALIDE SALT COM-
Claim 2
Dependent Claim
116 words
THE PROCESS WHICH COMPRISES SIMULTANEOUSLY PASSING INTO A SUBSTANTIALLY VAPOR-FILLED REACTION CHAMBER FOR REACTION WITH EACH OTHER WHILE MOVING THROUGH SAID CHAMBER A VAPOROUS STREAM OF AN ALKALI METAL FROM THE GROUP CONSISTING OF SODIUM AND POTASSIUM AND A VAPOROUS STREAM OF A GROUP IV METAL TETRAHALIDE FROM THE GROUP CONSISTING OF TETRAFLUORIDES, TETRACHLORIDES, TETRABROMIDES, AND TETRAIODIDES OF TITANIUM, ZIRCONIUM, AND HAFNIUM AT A TEMPERATURE ABOVE THE CONDENSATION TEMPERATURE OF SAID VAPORS AND AT A PRESSURE OF AT LEAST ATMOSPHERIC, SAID PASSAGE OF VAPORS BEING REGULATED TO MAINTAIN AN ATOMIC RATIO OF ALKALI METAL TO METAL IN THE TETRAHALIDE OF LESS THAN 2:1, CONDENSING AND RECOVERING THE RESULTING GROUP IV METAL SUBHALIDE-ALKALI METAL HALIDE SALT COM-
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) | 1961-10-13 | 1962-04-14 | 1962-10-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-10-13 | 1966-04-14 | 1966-10-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-10-13 | 1970-04-14 | 1970-10-14 | $7700.00 | Window Closed / Lapsed |