US2520947A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of hydrogen halides
Assignee: Phillips Petroleum Co
•
Filing: 1946-04-08
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Granted: 1950-09-05
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Expires: 1966-04-08
Abstract
No abstract record available.
Inventors
- 👤 Maryan P Matuszak
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 05:25
CPC Classifications
C; C01; C01B; C01B7/00; C01B7/13; C01B7/135; C01B7/09; C01B7/093; C01B7/19; C01B7/191
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
122 words
A PROCESS FOR THE RECOVERY OF HYDROGEN HALIDE FROM A MIXTURE CONTAINING SAME TOGETHER WITH AN ORGANIC COMPOUND DIFFICULTY SEPARABLE THEREFROM BY ORDINARY MEANS SUCH AS FRACTIONAL DISTILLATION OR CONDENSATION WHICH COMPRISES SUBJECTING SAID MIXTURE IN THE GASEOUS STATE TO ABSORPTION IN A LIQUID ACYCLIC ORGANIC OXYGOMPOUND HAVING AT LEAST ONE SOLELY OXYGEN-BOUNDED SERIES OF AT LEAST TWO CONTIGUOUS METHYLENE GROUPS, AT LEAST ONE OF THE TWO OXYGENS BOUNDING THE SERIES BEING HYDROXYLIC, AND THEREBY EFFECTING SELECTIVE DISSOLUTION OF THE HYDROGEN HALIDE IN SAID LIQUID ACYCLIC ORGANIC OXYGOMPOUND WHILE ALLOWING SAID ORGANIC COMPOUND ORIGINALLY IN ADMIXTURE WITH THE HYDROGEN HALIDE TO PASS THROUGH RELATIVELY UNDISSOLVED, WITHDRAWING THE HYDROGEN HALIDE-RICH LIQUID ORGANIC OXYCOMPOUND AND STRIPPING THE HYDROGEN HALIDE THEREFROM IN A SEPARATE ZONE.
Claim 2
Dependent Claim
122 words
A PROCESS FOR THE RECOVERY OF HYDROGEN HALIDE FROM A MIXTURE CONTAINING SAME TOGETHER WITH AN ORGANIC COMPOUND DIFFICULTY SEPARABLE THEREFROM BY ORDINARY MEANS SUCH AS FRACTIONAL DISTILLATION OR CONDENSATION WHICH COMPRISES SUBJECTING SAID MIXTURE IN THE GASEOUS STATE TO ABSORPTION IN A LIQUID ACYCLIC ORGANIC OXYGOMPOUND HAVING AT LEAST ONE SOLELY OXYGEN-BOUNDED SERIES OF AT LEAST TWO CONTIGUOUS METHYLENE GROUPS, AT LEAST ONE OF THE TWO OXYGENS BOUNDING THE SERIES BEING HYDROXYLIC, AND THEREBY EFFECTING SELECTIVE DISSOLUTION OF THE HYDROGEN HALIDE IN SAID LIQUID ACYCLIC ORGANIC OXYGOMPOUND WHILE ALLOWING SAID ORGANIC COMPOUND ORIGINALLY IN ADMIXTURE WITH THE HYDROGEN HALIDE TO PASS THROUGH RELATIVELY UNDISSOLVED, WITHDRAWING THE HYDROGEN HALIDE-RICH LIQUID ORGANIC OXYCOMPOUND AND STRIPPING THE HYDROGEN HALIDE THEREFROM IN A SEPARATE ZONE.
References Cited (Backward Citations)
US2282712A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-09-04 | 1954-03-06 | 1954-09-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-09-04 | 1958-03-06 | 1958-09-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-09-04 | 1962-03-06 | 1962-09-05 | $7700.00 | Window Closed / Lapsed |