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Patent US3804747A successfully refreshed from Google Patents.
US3804747A
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Hydrocarbon conversion with catalyst mixture of x and y zeolites
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1972-04-12
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Granted: 1974-04-16
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Expires: 1992-04-12
Abstract
Abstract IMPROVED HYDROCARBON CONVERSION PROCESS EMPLOYS A CATALYST COMPRISING AT LEAST TWO CRYSTALLINE ALUMINOSILICATE ZEOLITES HAVING ESSENTIALLY THE SAME CRYSTAL STUCTURES, BUT HAVING SUBSTANTIALLY DIFFERENT SIO2/AL2O3 MOLAR RATIOS. MIXTURES OF ZEOLITES X AND Y ARE PREFERRED, PARTICULARLY WHEN EMBEDDED IN A MATRIX INCLUDING CLAYS AND/OR SILICAALUMINA.
Inventors
- 👤 C Kimberlin
- 👤 E Gladrow
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 04:48
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/80; C10G35/00; C10G35/04; C10G35/06; C10G35/095; C10G49/00; C10G49/02; C10G49/08; B01J2229/00; B01J2229/10; B01J2229/26; B01J2229/30; B01J2229/42; B01J29/08; B01J29/082; B01J29/084; Y; Y10; Y10S; Y10S208/00; Y10S208/02
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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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) | 1977-04-15 | 1977-10-15 | 1978-04-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-04-15 | 1981-10-15 | 1982-04-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-04-15 | 1985-10-15 | 1986-04-16 | $7700.00 | Window Closed / Lapsed |