US2882219A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Recovery of cracking feed and asphalt
Assignee: Phillips Petroleum Co
•
Filing: 1954-04-26
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Granted: 1959-04-14
•
Expires: 1974-04-26
Abstract
No abstract record available.
Inventors
- 👤 Paul H Johnson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:19
CPC Classifications
C; C10; C10G; C10G21/00; C10G21/003
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
80 words
A PROCESS WHICH COMPRISES BLENDING TOGETHER A REDUCED CRUDE OIL WITH A SUBSTANTIALLY ASPHALTENE-FREE, AROMATIC-CONTAINING HYDROCARBON EXTRACT HAVING AN INITIAL BOILING POINT OF AT LEAST 400* F. AND OBTAINED BY EXTRACTTION OF AN AROMATIC-CONTAINING OIL WITH A SOLVENT WHICH SELECTIVELY DISSOLVES AROMATIC HYDROCARBONS, CONTACTING THE RESULTING BLEND WITH A LIUQUID HYDROCARBON HAVING NOT MORE THAN 5 CARBON ATOMS PER MOLECULE, AND RECOVERING AN EXTRACT COMPRISING A HYDROCARBON MATERIAL SUITABLE AS A CATALYTIC CRACKING FEED AND A RAFFINATE COMPRISING AN ASPHALT.
Claim 2
Dependent Claim
80 words
A PROCESS WHICH COMPRISES BLENDING TOGETHER A REDUCED CRUDE OIL WITH A SUBSTANTIALLY ASPHALTENE-FREE, AROMATIC-CONTAINING HYDROCARBON EXTRACT HAVING AN INITIAL BOILING POINT OF AT LEAST 400* F. AND OBTAINED BY EXTRACTTION OF AN AROMATIC-CONTAINING OIL WITH A SOLVENT WHICH SELECTIVELY DISSOLVES AROMATIC HYDROCARBONS, CONTACTING THE RESULTING BLEND WITH A LIUQUID HYDROCARBON HAVING NOT MORE THAN 5 CARBON ATOMS PER MOLECULE, AND RECOVERING AN EXTRACT COMPRISING A HYDROCARBON MATERIAL SUITABLE AS A CATALYTIC CRACKING FEED AND A RAFFINATE COMPRISING AN ASPHALT.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-04-13 | 1962-10-13 | 1963-04-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-04-13 | 1966-10-13 | 1967-04-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-04-13 | 1970-10-13 | 1971-04-14 | $7700.00 | Window Closed / Lapsed |