US3247098A
Expired / Lapsed
US
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Cracking a naphtha with a cracking conversion catalyst comprising a synthetic mordenite zeolite
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-11-12
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Granted: 1966-04-19
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Expires: 1983-11-12
Abstract
No abstract record available.
Inventors
- 👤 Jr Charles Newton Kimberlin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 17:08
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/18; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05; C10G35/00; C10G35/04; C10G35/06; C10G35/095
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
118 words
AN IMPROVED PROCESS FOR CRACKING LIGHT NAPHTHA STREAMS TO OBTAIN IMPROVED PRODUCT QUALITY WHICH COMPRISES SUBJECTING SAID LIGHT NAPHTHAS BOILING IN THE RANGE OF ABOUT 100* TO 450*F. TO CRACKING CONDITIONS IN THE PRESENCE OF A MORDENITE CATALYST, SAID CATALYST COMPRISING A MORDENITE ZEOLITE HAVING A SILICA TO ALUMINA MOL RATIO OF ABOUT 9 TO 15, AN EFFECTIVE PORE DIAMETER IN THE RANGE OF ABOUT 6 TO 10 A., AND HAVING THE ABILITY TO ADSORB AT LEAST 1.5 WT. PERCENT OF BENZENE AT 205*F. AT 0.5 ATMOSPHERE, SAID ZEOLITE BEING FURTHER CHARACTERIZED IN THAT IT CONTAINS LESS THAN 5 WT. PERCENT NA2O, AND RECOVERING PRODUCTS BOILING BELOW SAID LIGHT NAPHTHAS AND A NAPHTHA PRODUCT HAVING IMPROVED OCTANE NUMBER.
Claim 2
Dependent Claim
118 words
AN IMPROVED PROCESS FOR CRACKING LIGHT NAPHTHA STREAMS TO OBTAIN IMPROVED PRODUCT QUALITY WHICH COMPRISES SUBJECTING SAID LIGHT NAPHTHAS BOILING IN THE RANGE OF ABOUT 100* TO 450*F. TO CRACKING CONDITIONS IN THE PRESENCE OF A MORDENITE CATALYST, SAID CATALYST COMPRISING A MORDENITE ZEOLITE HAVING A SILICA TO ALUMINA MOL RATIO OF ABOUT 9 TO 15, AN EFFECTIVE PORE DIAMETER IN THE RANGE OF ABOUT 6 TO 10 A., AND HAVING THE ABILITY TO ADSORB AT LEAST 1.5 WT. PERCENT OF BENZENE AT 205*F. AT 0.5 ATMOSPHERE, SAID ZEOLITE BEING FURTHER CHARACTERIZED IN THAT IT CONTAINS LESS THAN 5 WT. PERCENT NA2O, AND RECOVERING PRODUCTS BOILING BELOW SAID LIGHT NAPHTHAS AND A NAPHTHA PRODUCT HAVING IMPROVED OCTANE NUMBER.
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) | 1969-04-18 | 1969-10-18 | 1970-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-18 | 1973-10-18 | 1974-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-18 | 1977-10-18 | 1978-04-19 | $7700.00 | Window Closed / Lapsed |