Patent US317271A successfully refreshed from Google Patents.
Patent US2923751A successfully refreshed from Google Patents.
US2923751A
Expired / Lapsed
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Production of high octane alkylate using a permeable membrane separation system
Assignee: American Oil Co
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Filing: 1956-04-30
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Granted: 1960-02-02
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Expires: 1976-04-30
Abstract
No abstract record available.
Inventors
- 👤 Robert C Binning
- 👤 Robert J Lee
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 11:38
CPC Classifications
B; B01; B01D; B01D61/00; B01D61/36; B01D61/364; B01D61/3641; C; C07; C07C; C07C7/00; C07C7/144; C10; C10G; C10G31/00; C10G31/11; B01D2317/00; B01D2317/02; B01D2317/027
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
68 words
A PROCESS WHICH COMPRISES CONTACTING UNDER PERMEATION CONDITIONS AND ISOBUTANE-BUTENE ALKYLATE BOILING IN THE GASOLINE BOILING RANGE WHICH HAS AN F-1 OCTANE NUMBER OF LESS THAN 96 WITH ONE SIDE OF A PERMEABLE PLASTIC MEMBRANE AND THEREBY PERMEATING A PORTION OF THE ALKYLATE THROUGH THE MEMBRANE, SEPARATELY RECOVERING A PORTION OF THE ALKYLATE WHICH PERMEATES THE MEMBRANE AND A PORTION OF THE ALKYLATE WHICH HAS NOT PERMEATED THE
Claim 2
Dependent Claim
68 words
A PROCESS WHICH COMPRISES CONTACTING UNDER PERMEATION CONDITIONS AND ISOBUTANE-BUTENE ALKYLATE BOILING IN THE GASOLINE BOILING RANGE WHICH HAS AN F-1 OCTANE NUMBER OF LESS THAN 96 WITH ONE SIDE OF A PERMEABLE PLASTIC MEMBRANE AND THEREBY PERMEATING A PORTION OF THE ALKYLATE THROUGH THE MEMBRANE, SEPARATELY RECOVERING A PORTION OF THE ALKYLATE WHICH PERMEATES THE MEMBRANE AND A PORTION OF THE ALKYLATE WHICH HAS NOT PERMEATED THE
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) | 1963-02-01 | 1963-08-03 | 1964-02-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1967-02-01 | 1967-08-03 | 1968-02-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1971-02-01 | 1971-08-03 | 1972-02-02 | $7700.00 | Window Closed / Lapsed |