Patent US3146061A successfully refreshed from Google Patents.
US3146061A
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Method for separation of hydrogen halides from mixtures containing same
Assignee: Millennium Petrochemicals Inc
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Filing: 1962-05-16
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Granted: 1964-08-25
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Expires: 1982-05-16
Abstract
No abstract record available.
Inventors
- 👤 Jawad H Murib
- 👤 Feldman Julian
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 21:14
CPC Classifications
C; C01; C01B; C01B6/00; C01B21/00; C01B21/04; C01B21/0405; C01B21/0411; C01B21/0427; C01B23/00; C01B3/00; C01B3/50; C01B3/52; C01B3/54; C01B35/00; C01B35/02; C01B35/026; C01B6/34; C07; C07C; C07C7/00; C07C7/148; C07C7/152; C01B2203/00; C01B2203/04; C01B2203/0415; C01B2203/0465; C01B2210/00; C01B2210/0043; C01B2210/0054
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
199 words
A PROCESS FOR EPARATIN HYDROGEN CHLORIDE FROM ANHYDROUS GASEOUS MIXTURES THEREOF WITH AT LEAST ONE GAS FROM THE GROUP CONSISTING OF BORON HYDRIDES, HYDROGEN AND SATURATED ALIPHATIC HYDROCARBONS, WHICH COMPRISES CONTACTING SAID GASEOUS MIXTURE, AT A TEMPERATURE THAT DOES NOT EXCEED ABOUT 25*C., WITH A COMPLEX FORMED BY (1) LEWIS-TYPE ACID HALIDE FROM THE GROUP CONSISTING OF A CHLORIDE OF A GROUP III-A METAL, A CHLORIDE OF IV-A METAL, A CHLORIDE OF A GROUP V-A METAL, FERRIC CHLORIDE AND ZINC CHLORIDE WITH (2) AN ALKYLAROMATIC HYDROCARBON, SAID COMPLEX FORMED BY (1) AND (2) BEING CHARACTERIZED BY SELECTIVELY COMPLEXING THE HYDROGEN CHLORIDE IN THE GASEOUS MIXTURE TO PROVIDE A COMPLEX OF HYDROGEN CHLORIDE THAT IS LESS VOLATILE THAN THE OTHER GAS IN MIXTURE WITH THE HYDROGEN CHLORIDE, AND HEATING THE RESULTING COMPLEX OF THE HYDROGEN CHLORIDE TO DISSOCIATE THE HYDROGEN CHLORIDE, SAID PROCESS BEING FURTHER CHARACTERIZED IN THAT THE GASEOUS MIXTURE FROM WHICH THE HYDROGEN CHLORIDE IS TO BE SEPARATED IS CONTACTED WITH AN AMOUNT OF THE COMPLEX FORMED BY (1) AND (2) SUFFICIENT TO COMPLEX SUBSTANTIALLY ALL OF THE HYDROGEN CHLORIDE IN THE GASEOUS MIXTURE, AND THEN SEPARATING THE RESULTING PURIFIED GAS FROM THE COMPLEX CONTAINING THE HYDROGEN CHLORIDE.
Claim 2
Dependent Claim
199 words
A PROCESS FOR EPARATIN HYDROGEN CHLORIDE FROM ANHYDROUS GASEOUS MIXTURES THEREOF WITH AT LEAST ONE GAS FROM THE GROUP CONSISTING OF BORON HYDRIDES, HYDROGEN AND SATURATED ALIPHATIC HYDROCARBONS, WHICH COMPRISES CONTACTING SAID GASEOUS MIXTURE, AT A TEMPERATURE THAT DOES NOT EXCEED ABOUT 25*C., WITH A COMPLEX FORMED BY (1) LEWIS-TYPE ACID HALIDE FROM THE GROUP CONSISTING OF A CHLORIDE OF A GROUP III-A METAL, A CHLORIDE OF IV-A METAL, A CHLORIDE OF A GROUP V-A METAL, FERRIC CHLORIDE AND ZINC CHLORIDE WITH (2) AN ALKYLAROMATIC HYDROCARBON, SAID COMPLEX FORMED BY (1) AND (2) BEING CHARACTERIZED BY SELECTIVELY COMPLEXING THE HYDROGEN CHLORIDE IN THE GASEOUS MIXTURE TO PROVIDE A COMPLEX OF HYDROGEN CHLORIDE THAT IS LESS VOLATILE THAN THE OTHER GAS IN MIXTURE WITH THE HYDROGEN CHLORIDE, AND HEATING THE RESULTING COMPLEX OF THE HYDROGEN CHLORIDE TO DISSOCIATE THE HYDROGEN CHLORIDE, SAID PROCESS BEING FURTHER CHARACTERIZED IN THAT THE GASEOUS MIXTURE FROM WHICH THE HYDROGEN CHLORIDE IS TO BE SEPARATED IS CONTACTED WITH AN AMOUNT OF THE COMPLEX FORMED BY (1) AND (2) SUFFICIENT TO COMPLEX SUBSTANTIALLY ALL OF THE HYDROGEN CHLORIDE IN THE GASEOUS MIXTURE, AND THEN SEPARATING THE RESULTING PURIFIED GAS FROM THE COMPLEX CONTAINING THE HYDROGEN CHLORIDE.
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) | 1967-08-25 | 1968-02-24 | 1968-08-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-08-25 | 1972-02-24 | 1972-08-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-08-25 | 1976-02-24 | 1976-08-25 | $7700.00 | Window Closed / Lapsed |