US2525830A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of anhydrous aluminum chloride from a fluid aluminum chloride-hydrocarbon complex
Assignee: Phillips Petroleum Co
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Filing: 1945-12-10
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Granted: 1950-10-17
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Expires: 1965-12-10
Abstract
No abstract record available.
Inventors
- 👤 Howard R Sailors
- 👤 Harold J Hepp
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 05:10
CPC Classifications
C; C01; C01F; C01F7/00; C01F7/48; C01F7/56; C01F7/62; B; B01; B01J; B01J27/00; B01J27/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
106 words
A PROCESS FOR THE RECOVERY OF ANHYDROUS ALUMINUM CHLORIDE FROM AN ALUMINUM CHLORIDEHYDROCARBON COMPLEX FORMED DURING THE CATALYTIC CONVERSION OF HYDROCARBONS IN THE PRESENCE OF ALUMINUM CHLORIDE AS A CATALYST, WHICH COMPRISES CONTINUOUSLY FLOWING SAID COMPLEX THROUGH A DISTILLATION ZONE IN THE ABSENCE OF A SOLVENT CONTINUOUSLY FLOWING THROUGH SAID COMPLEX A GAS INERT THERETO TO REMOVE NOT TO EXCEED ABOUT 50 PER CENT OF THE ALUMINUM CHLORIDE BY VAPORIZATION WHILE MAINTAINING THE COMPLEX IN A FLUID CONDITION, SUPPLYING HEAT FOR THE DISTILLATION OF SAID COMPLEX BY MEANS OF SAID INERT GAS, AND CONTINUOUSLY SEPARATING THE FLUID COMPLEX CONTAINING RESIDUAL ALUMINUM CHLORIDE FROM THE DISTILLATION ZONE.
Claim 2
Dependent Claim
106 words
A PROCESS FOR THE RECOVERY OF ANHYDROUS ALUMINUM CHLORIDE FROM AN ALUMINUM CHLORIDEHYDROCARBON COMPLEX FORMED DURING THE CATALYTIC CONVERSION OF HYDROCARBONS IN THE PRESENCE OF ALUMINUM CHLORIDE AS A CATALYST, WHICH COMPRISES CONTINUOUSLY FLOWING SAID COMPLEX THROUGH A DISTILLATION ZONE IN THE ABSENCE OF A SOLVENT CONTINUOUSLY FLOWING THROUGH SAID COMPLEX A GAS INERT THERETO TO REMOVE NOT TO EXCEED ABOUT 50 PER CENT OF THE ALUMINUM CHLORIDE BY VAPORIZATION WHILE MAINTAINING THE COMPLEX IN A FLUID CONDITION, SUPPLYING HEAT FOR THE DISTILLATION OF SAID COMPLEX BY MEANS OF SAID INERT GAS, AND CONTINUOUSLY SEPARATING THE FLUID COMPLEX CONTAINING RESIDUAL ALUMINUM CHLORIDE FROM THE DISTILLATION ZONE.
References Cited (Backward Citations)
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Cited
US1427626A
Cited
US1430109A
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US1460110A
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US1426081A
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US2464682A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1953-10-16 | 1954-04-17 | 1954-10-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1957-10-16 | 1958-04-17 | 1958-10-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1961-10-16 | 1962-04-17 | 1962-10-17 | $7700.00 | Window Closed / Lapsed |