US3337447A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Selective hydrocracking with a sulfur containing cadmium zeolite catalyst
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1965-09-13
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Granted: 1967-08-22
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Expires: 1985-09-13
Abstract
No abstract record available.
Inventors
- 👤 Rigney James Arthur
- 👤 Mason Ralph Burgess
- 👤 Glen P Hamner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 16:00
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/061; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/095; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR REDUCING THE STRAIGHT-CHAIN HYDROCARBON CONTENT OF A HYDROCARBON FEEDSTOCK BY SELECTIVELY HYDROCRACKING SAME WHICH COMPRISES CONTACTING SAID FEEDSTOCK AT ELEVATED TEMPERATURE AND PRESSURE IN THE PRESENCE OF HYDROGEN WITH A CATALYST COMPRISING A CRYSTALLINE ALUMINO-SILICATE ZEOLITE CONTAINING CADMIUM IN AN AMOUNT CORRESPONDING TO AT LEAST 25% OF ITS CATIONIC CONTENT AND HAVING UNIFORM PORE OPENINGS OF ABOUT 5 ANGSTROM UNITS, WHEREIN SAID CATALYST CONTAINS 0.5 TO 15 WT. PERCENT SUFLUR, AND RECOVERING A HYDROCARBON PRODUCT HAVING A SUBSTANTIALLY REDUCED STRAIGHT-CHAIN HYDROCARBON CONTENT.
Claim 2
Dependent Claim
85 words
A PROCESS FOR REDUCING THE STRAIGHT-CHAIN HYDROCARBON CONTENT OF A HYDROCARBON FEEDSTOCK BY SELECTIVELY HYDROCRACKING SAME WHICH COMPRISES CONTACTING SAID FEEDSTOCK AT ELEVATED TEMPERATURE AND PRESSURE IN THE PRESENCE OF HYDROGEN WITH A CATALYST COMPRISING A CRYSTALLINE ALUMINO-SILICATE ZEOLITE CONTAINING CADMIUM IN AN AMOUNT CORRESPONDING TO AT LEAST 25% OF ITS CATIONIC CONTENT AND HAVING UNIFORM PORE OPENINGS OF ABOUT 5 ANGSTROM UNITS, WHEREIN SAID CATALYST CONTAINS 0.5 TO 15 WT. PERCENT SUFLUR, AND RECOVERING A HYDROCARBON PRODUCT HAVING A SUBSTANTIALLY REDUCED STRAIGHT-CHAIN HYDROCARBON CONTENT.
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) | 1970-08-21 | 1971-02-20 | 1971-08-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-08-21 | 1975-02-20 | 1975-08-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-08-21 | 1979-02-20 | 1979-08-22 | $7700.00 | Window Closed / Lapsed |