US2631122A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for stabilizing catalytically cracked hydrocarbon distillates
Assignee: Standard Oil Development Co
•
Filing: 1950-08-01
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Granted: 1953-03-10
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Expires: 1970-08-01
Abstract
No abstract record available.
Inventors
- 👤 Barney R Strickland
- 👤 Emil H Lewis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 10:53
CPC Classifications
C; C10; C10G; C10G19/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
111 words
A PROCESS FOR PRODUCING A STABLE CRACKED DISTILLATE COMPRISING THE STEPS OF CATALYTICALLY CRACKING A GAS OIL FEED STOCK, SUBSTANTIALLY FREE OF AROMATIC MERCAPTANS AND DIOLEFINS, BOILING ABOVE ABOUT 400* F. AND CONTAINING MORE THAN ABOUT 0.5% SULFUR, WHEREBY AROMATIC MERCAPTANS, OLEFINS, AND DIOLEFINS ARE PRODUCED, SEPARATING A DISTILLATE FRACTION BOILING IN THE RANGE OF ABOUT 400 TO 700* F. CHARACTERIZED BY THE ABSENCE OF OXYGEN AND THE INCLUSION OF SUBSTANTIAL PORTIONS OF AROMATIC MERCAPTANS, OLEFINS AND DIOLEFINS, AND CONTACTING SAID HEATING OIL IN THE ABSENCE OF OXYGEN WITH A TREATING AGENT CONSISTING OF AN AQUEOUS CAUSTIC SOLUTION FREE OF OXYGEN, AND THEREAFTER SEPARATING THE HEATING OIL FROM THE SPENT CAUSTIC.
Claim 2
Dependent Claim
111 words
A PROCESS FOR PRODUCING A STABLE CRACKED DISTILLATE COMPRISING THE STEPS OF CATALYTICALLY CRACKING A GAS OIL FEED STOCK, SUBSTANTIALLY FREE OF AROMATIC MERCAPTANS AND DIOLEFINS, BOILING ABOVE ABOUT 400* F. AND CONTAINING MORE THAN ABOUT 0.5% SULFUR, WHEREBY AROMATIC MERCAPTANS, OLEFINS, AND DIOLEFINS ARE PRODUCED, SEPARATING A DISTILLATE FRACTION BOILING IN THE RANGE OF ABOUT 400 TO 700* F. CHARACTERIZED BY THE ABSENCE OF OXYGEN AND THE INCLUSION OF SUBSTANTIAL PORTIONS OF AROMATIC MERCAPTANS, OLEFINS AND DIOLEFINS, AND CONTACTING SAID HEATING OIL IN THE ABSENCE OF OXYGEN WITH A TREATING AGENT CONSISTING OF AN AQUEOUS CAUSTIC SOLUTION FREE OF OXYGEN, AND THEREAFTER SEPARATING THE HEATING OIL FROM THE SPENT CAUSTIC.
References Cited (Backward Citations)
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US2525152A
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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) | 1956-03-09 | 1956-09-08 | 1957-03-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-03-09 | 1960-09-08 | 1961-03-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-03-09 | 1964-09-08 | 1965-03-10 | $7700.00 | Window Closed / Lapsed |