US2594370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of separating metal halides
Assignee: Diamond Shamrock Corp
•
Filing: 1947-05-14
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Granted: 1952-04-29
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Expires: 1967-05-14
Abstract
No abstract record available.
Inventors
- 👤 Dick M Warburton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 13:33
CPC Classifications
C; C22; C22B; C22B34/00; C22B34/10; C22B34/12; C22B34/1218; C22B34/1231; C01; C01B; C01B33/00; C01B33/08; C01B35/00; C01B35/06; C01G; C01G1/00; C01G1/06; Y; Y02; Y02P; Y02P10/00; Y02P10/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
113 words
THE METHOD OF OBTAINING A PURIFIED HALOGEN COMPOUND OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF GROUP IV ELEMENTS AND BORON, WHICH INCLUDES THE STEPS OF CONTACTING A RAW MATERIAL CONTAINING SUCH ELEMENT AND IMPURITIES, AT LEAST SOME OF WHICH ARE HALOGENATABLE WITH ELEMENTAL HALOGEN, UNDER REACTION CONDITIONS TO PRODUCE A MIXED REACTION PRODUCT CONTAINING THE VAPORIZED HALIDE OF SUCH ELEMENT, VAPORIZED HALIDES OF IMPURITIES, AND RESIDUAL FREE HALOGEN, CONTACTING SAID MIXTURE WITH A LIQUID HYDROCARBON SOLVENT, HALOGENATABLE BY FREE HALOGEN, HAVING A PREFERENTIAL SOLUBILITY FOR SAID COMPOUND AND BEING CHEMICALLY INDIFFERENT TO SAID PRODUCTS OF REACTION UNDER HALOGENATION CONDITIONS FOR SAID SOLVENT, TO DISSOLVE THE HALIDE OF SAID ELEMENT, PRECIPITATE THE
Claim 2
Independent Claim
113 words
THE METHOD OF OBTAINING A PURIFIED HALOGEN COMPOUND OF AN ELEMENT SELECTED FROM THE GROUP CONSISTING OF GROUP IV ELEMENTS AND BORON, WHICH INCLUDES THE STEPS OF CONTACTING A RAW MATERIAL CONTAINING SUCH ELEMENT AND IMPURITIES, AT LEAST SOME OF WHICH ARE HALOGENATABLE WITH ELEMENTAL HALOGEN, UNDER REACTION CONDITIONS TO PRODUCE A MIXED REACTION PRODUCT CONTAINING THE VAPORIZED HALIDE OF SUCH ELEMENT, VAPORIZED HALIDES OF IMPURITIES, AND RESIDUAL FREE HALOGEN, CONTACTING SAID MIXTURE WITH A LIQUID HYDROCARBON SOLVENT, HALOGENATABLE BY FREE HALOGEN, HAVING A PREFERENTIAL SOLUBILITY FOR SAID COMPOUND AND BEING CHEMICALLY INDIFFERENT TO SAID PRODUCTS OF REACTION UNDER HALOGENATION CONDITIONS FOR SAID SOLVENT, TO DISSOLVE THE HALIDE OF SAID ELEMENT, PRECIPITATE THE
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-04-29 | 1955-10-29 | 1956-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-04-29 | 1959-10-29 | 1960-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-04-29 | 1963-10-29 | 1964-04-29 | $7700.00 | Window Closed / Lapsed |