Patent US2594370A successfully refreshed from Google Patents.
US2594370A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of separating metal halides
Assignee: Diamond Shamrock Corp
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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 22:30
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
References Cited (Backward Citations)
US882354A
Cited
GB190616910A
Cited
US856753A
Cited
US1277329A
Cited
US1647446A
Cited
US1887566A
Cited
US2249761A
Cited
US2311466A
Cited
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 |