US3277018A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective cracking catalyst
Assignee: ExxonMobil Oil Corp
•
Filing: 1964-01-24
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Granted: 1966-10-04
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Expires: 1984-01-24
Abstract
No abstract record available.
Inventors
- 👤 Charles J Plank
- 👤 Edward J Rosinski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 15:41
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/085; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
178 words
A METHOD FOR PREPARING A CATALYST COMPOSITION COMPRISING A CRYSTALLINE ALUMINOSILICATE DISTRIBUTED THROUGHOUT A MATRIX COMPOSITE OR SILICA AND ALUMINA WHICH COMPRISES DISPERSING IN A SILICA SOL A CRYSTALLINE ALUMINOSILICATE AND AN AMOUNT CORRESPONDING TO BETWEEN ABOUT 5 AND ABOUT 40 PERCENT BY WEIGHT OF A POROUS MATERIAL CHARACTERIZED BY A SURFACE AREA OF AT LEAST 25 SQUARE METERS PER GRAM SELECTED FROM THE GROUP CONSISTING OF (1) ALUMINA AND (2) COMPOSITES OF SILICA AND ALUMINA CONTAINING AT LEAST 40 WEIGHT PERCENT ALUMINA, WHICH MATERIAL HAS A WEIGHT MEAN PARTICLE DIAMETER OF BETWEEN 1 AND 5 MICRONS, THE CONCENTRATION AND PROPORTIONS OF REACTANTS BEING SUCH THAT THE RESULTING SILICA SOL HAVING SAID FINELY DIVIDED MATERIAL DISPERSED THEREIN HAS A PH OF BETWEEN 6 AND 11 AND AN ALUMINA CONTENT CORRESPONDING TO COGELLED ALUMINA OF LESS THAN ABOUT 1.5 WEIGHT PERCENT, PERMITTING THE RESULTING SOL TO SET TO A HYDROGEL, BASE EXCHANGING THE RESULTING HYDROGEL WITH A DILUTE AQUEOUS SOLUTION CONTAINING AN ION CAPABLE OF REPLACING ZEOLITIC ALKALI METAL, WASHING THE HYDROGEL FREE OF WATERSOLUBLE MATTER, DRYING AND CALCINING.
Claim 2
Independent Claim
178 words
A METHOD FOR PREPARING A CATALYST COMPOSITION COMPRISING A CRYSTALLINE ALUMINOSILICATE DISTRIBUTED THROUGHOUT A MATRIX COMPOSITE OR SILICA AND ALUMINA WHICH COMPRISES DISPERSING IN A SILICA SOL A CRYSTALLINE ALUMINOSILICATE AND AN AMOUNT CORRESPONDING TO BETWEEN ABOUT 5 AND ABOUT 40 PERCENT BY WEIGHT OF A POROUS MATERIAL CHARACTERIZED BY A SURFACE AREA OF AT LEAST 25 SQUARE METERS PER GRAM SELECTED FROM THE GROUP CONSISTING OF (1) ALUMINA AND (2) COMPOSITES OF SILICA AND ALUMINA CONTAINING AT LEAST 40 WEIGHT PERCENT ALUMINA, WHICH MATERIAL HAS A WEIGHT MEAN PARTICLE DIAMETER OF BETWEEN 1 AND 5 MICRONS, THE CONCENTRATION AND PROPORTIONS OF REACTANTS BEING SUCH THAT THE RESULTING SILICA SOL HAVING SAID FINELY DIVIDED MATERIAL DISPERSED THEREIN HAS A PH OF BETWEEN 6 AND 11 AND AN ALUMINA CONTENT CORRESPONDING TO COGELLED ALUMINA OF LESS THAN ABOUT 1.5 WEIGHT PERCENT, PERMITTING THE RESULTING SOL TO SET TO A HYDROGEL, BASE EXCHANGING THE RESULTING HYDROGEL WITH A DILUTE AQUEOUS SOLUTION CONTAINING AN ION CAPABLE OF REPLACING ZEOLITIC ALKALI METAL, WASHING THE HYDROGEL FREE OF WATERSOLUBLE MATTER, DRYING AND CALCINING.
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) | 1969-10-03 | 1970-04-04 | 1970-10-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-03 | 1974-04-04 | 1974-10-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-03 | 1978-04-04 | 1978-10-04 | $7700.00 | Window Closed / Lapsed |