Patent US2605214A successfully refreshed from Google Patents.
US2605214A
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Catalytic cracking of nitrogencontaining oils
Assignee: TIDE WATER ASSOCIATED OIL Co
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Filing: 1948-05-22
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Granted: 1952-07-29
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Expires: 1968-05-22
Abstract
No abstract record available.
Inventors
- 👤 Lionel S Galstaun
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 22:51
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/14; C10G11/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
96 words
IN THE CATALYTIC CRACKING OFHYDROCARBON OIL CONTAINING NITROGEN COMPOUNDS WHICH TEND TO POISON THE CRACKING CATALYST, THE METHOD OF EXTENDING THE USEFUL LIFE OF THE CATALYST WHICH COMPRISES CONTACTING SUCH A HYDROCARBON OIL IN THE LIQUID PHASE END UNDER NON-CRACKING CONDITIONS WITH CATALYST OF RELATIVELY LOW CRACKING ACTIVITY FOR A TIME SUFFICIENT TO ADSORB ON SAID LOW ACTIVITY CATALYST AT LEAST A PART NITROGEN CONTENT OF SAID OIL, THEN CONTACTING THE RESULTING MIXTURE OF LIQUID OIL AND CATALYST WITH HEATED CATALYST OF RELATIVELY HIGHER CRACKING ACTIVITY UNDER CRACKING CONDITIONS TO VOLATILIZE AND TO CRACK SAID OIL.
Claim 2
Dependent Claim
96 words
IN THE CATALYTIC CRACKING OFHYDROCARBON OIL CONTAINING NITROGEN COMPOUNDS WHICH TEND TO POISON THE CRACKING CATALYST, THE METHOD OF EXTENDING THE USEFUL LIFE OF THE CATALYST WHICH COMPRISES CONTACTING SUCH A HYDROCARBON OIL IN THE LIQUID PHASE END UNDER NON-CRACKING CONDITIONS WITH CATALYST OF RELATIVELY LOW CRACKING ACTIVITY FOR A TIME SUFFICIENT TO ADSORB ON SAID LOW ACTIVITY CATALYST AT LEAST A PART NITROGEN CONTENT OF SAID OIL, THEN CONTACTING THE RESULTING MIXTURE OF LIQUID OIL AND CATALYST WITH HEATED CATALYST OF RELATIVELY HIGHER CRACKING ACTIVITY UNDER CRACKING CONDITIONS TO VOLATILIZE AND TO CRACK SAID OIL.
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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) | 1955-07-29 | 1956-01-28 | 1956-07-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-07-29 | 1960-01-28 | 1960-07-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-07-29 | 1964-01-28 | 1964-07-29 | $7700.00 | Window Closed / Lapsed |