Patent US2558838A successfully refreshed from Google Patents.
US2558838A
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Treatment of catalytic gas oils
Assignee: Phillips Petroleum Co
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Filing: 1948-12-20
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Granted: 1951-07-03
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Expires: 1968-12-20
Abstract
No abstract record available.
Inventors
- 👤 Luke B Goodson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:10
CPC Classifications
C; C10; C10G; C10G21/00; C07; C07C; C07C37/00; C07C37/11; C07C37/14; C10G29/00; C10G29/20; C10G29/205
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
124 words
A PROCESS FOR TREATING A GAS-OIL PRODUCED IN A CATALYTIC CRACKING OPERATION COMPRISING EXTRACTING SAID CATALYTIC GAS-OIL WITH AN EXTRACTION SOLVENT COMPRISING AN ALKYLATABLE AROMATIC MATTERIAL TO PRODUCE A RAFFINATE PHASE COMPRISING OLEFIN HYDROCARBONS AND DISSOLVED AROMATIC MATERIAL AND AN EXTRACT PHASE COMPRISING AROMATIC MATERIAL AND SOLUBLE AROMATIC HYDROCARBONS FROM SAID GAS-OIL, ADMIXING ADDITIONAL ALKYLATABLE AROMATIC MATERIAL WITH SAID RAFFINATE PHASE AND EXPOSING THE RAFFINATE PHASE ADMIXTURE WITHOUT SEPARATION OF THE OLEFINS THEREFROM TO ALKYLATION CONDITIONS IN THE PRESENCE OF AN ALKYLATION CATALYSTS TO FORM AN ALKYLATE, SEPARATING ALKYLATED MATERIAL FROM UNALKYLATED MATERIAL OF THE ALKYLATE, RECOVERING THE SEPARATED ALKYLATED MATERIAL AS ONE PRODUCT OF THE PROCESS, DIVIDING THE SEPARATED UNALKYLATED MATERIAL OF THE ALKYLATE INTO TWO PORTIONS, RECYCLING ONE PORTION INTO THE ORIGINAL
Claim 2
Dependent Claim
124 words
A PROCESS FOR TREATING A GAS-OIL PRODUCED IN A CATALYTIC CRACKING OPERATION COMPRISING EXTRACTING SAID CATALYTIC GAS-OIL WITH AN EXTRACTION SOLVENT COMPRISING AN ALKYLATABLE AROMATIC MATTERIAL TO PRODUCE A RAFFINATE PHASE COMPRISING OLEFIN HYDROCARBONS AND DISSOLVED AROMATIC MATERIAL AND AN EXTRACT PHASE COMPRISING AROMATIC MATERIAL AND SOLUBLE AROMATIC HYDROCARBONS FROM SAID GAS-OIL, ADMIXING ADDITIONAL ALKYLATABLE AROMATIC MATERIAL WITH SAID RAFFINATE PHASE AND EXPOSING THE RAFFINATE PHASE ADMIXTURE WITHOUT SEPARATION OF THE OLEFINS THEREFROM TO ALKYLATION CONDITIONS IN THE PRESENCE OF AN ALKYLATION CATALYSTS TO FORM AN ALKYLATE, SEPARATING ALKYLATED MATERIAL FROM UNALKYLATED MATERIAL OF THE ALKYLATE, RECOVERING THE SEPARATED ALKYLATED MATERIAL AS ONE PRODUCT OF THE PROCESS, DIVIDING THE SEPARATED UNALKYLATED MATERIAL OF THE ALKYLATE INTO TWO PORTIONS, RECYCLING ONE PORTION INTO THE ORIGINAL
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) | 1954-07-02 | 1955-01-01 | 1955-07-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-07-02 | 1959-01-01 | 1959-07-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-07-02 | 1963-01-01 | 1963-07-03 | $7700.00 | Window Closed / Lapsed |