US3140249A
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Catalytic cracking of hydrocarbons with a crystalline zeolite catalyst composite
Assignee: ExxonMobil Oil Corp
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Filing: 1960-07-12
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Granted: 1964-07-07
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Expires: 1980-07-12
Abstract
No abstract record available.
Inventors
- 👤 Charles J Plank
- 👤 Edward J Rosinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 05:03
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/70; B01J20/00; B01J20/02; B01J20/10; B01J20/16; B01J20/18; B01J21/00; B01J21/12; B01J21/16; B01J29/061; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B01J2229/00; B01J2229/30; B01J2229/36; B01J2229/42
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
117 words
A PROCESS FOR CRACKING A HYDROCARBON CHARGE WHICH COMPRISES CONTACTING SAID CHARGE UNDER CATALYTIC CRACKING CONDITIONS WITHA CATALYST COMPRISING SPHEROIDAL PARTICLES CONTAINING A MINOR PROPORTION OF A SUBSTANTIALLY SODIUM-FREE CRYSTALLINE ALUMINOSILICATE HAVING A STRUCTURE OF RIGID THREE DIMENSIONAL NETWORKS CHARACTERIZED BY UNIFORM PORES AND HAVING A WEIGHT MEAN PARTICLE DIAMETER OF BETWEEN 2 AND 7 MICRONS SUSPENDED IN AND DISTRIBUTED THROUGHOUT A MATRIX OF AN INORGANIC OXIDE GEL SELECTED FROM THE GROUP CONSISTING OF SILICA AND COMPOSITES OF SILICA AND AN OXIDE OF AT LEAST ONE METAL SELECTED FROM THE GROUP CONSISTING OF METALS OF GROUPS IIA, IIIB, AND IVA OF THE PERIODIC TABLE, WHICH CATLAYST HAS A SODIUM CONTENT OF LESS THAN ABOUT 1 WEIGHT PERCENT.
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) | 1967-07-07 | 1968-01-06 | 1968-07-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1971-07-07 | 1972-01-06 | 1972-07-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1975-07-07 | 1976-01-06 | 1976-07-07 | $7700.00 | Window Closed / Lapsed |