US3272734A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrofining and hydrocracking process
Assignee: ExxonMobil Technology and Engineering Co
•
Filing: 1963-08-23
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Granted: 1966-09-13
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Donald D Maclaren
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 20:29
CPC Classifications
C; C10; C10G; C10G65/00; C10G65/02; C10G65/12; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/18; C10G47/32
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
85 words
A PROCESS FOR HYDROCRACKING A HYDROCARBON OIL FEED HAVING A NITROGEN CONTENT WITHIN THE RANGE OF ABOUT 28 TO ABOUT 200 PARTS PER MILLION COMPRISING CONTACTING SAID FEED IN THE PRESENCE OF HYDROGEN WITH A HYDROCRACKING CATALYST COMPRISING A CRYSTALLINE ALUMINO-SILICATE ZEOLITE COMPOSITED WITH A PLATINUM GROUP METAL, SAID ZEOLITE HAVING PORE OPENINGS OF ABOUT 6 TO ABOUT 15 ANGSTROM UNITS AND CONTAINING LESS THAN ABOUT 10 WT. PERCENT ALKALI METAL OXIDE, AT HYDROCRACKING CONDITIONS SUFFICIENT TO OBTAIN THE DESIRED CONVERSION TO LOWER BOILING PRODUCT.
Claim 2
Dependent Claim
85 words
A PROCESS FOR HYDROCRACKING A HYDROCARBON OIL FEED HAVING A NITROGEN CONTENT WITHIN THE RANGE OF ABOUT 28 TO ABOUT 200 PARTS PER MILLION COMPRISING CONTACTING SAID FEED IN THE PRESENCE OF HYDROGEN WITH A HYDROCRACKING CATALYST COMPRISING A CRYSTALLINE ALUMINO-SILICATE ZEOLITE COMPOSITED WITH A PLATINUM GROUP METAL, SAID ZEOLITE HAVING PORE OPENINGS OF ABOUT 6 TO ABOUT 15 ANGSTROM UNITS AND CONTAINING LESS THAN ABOUT 10 WT. PERCENT ALKALI METAL OXIDE, AT HYDROCRACKING CONDITIONS SUFFICIENT TO OBTAIN THE DESIRED CONVERSION TO LOWER BOILING PRODUCT.
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) | 1969-09-12 | 1970-03-14 | 1970-09-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-09-12 | 1974-03-14 | 1974-09-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-09-12 | 1978-03-14 | 1978-09-13 | $7700.00 | Window Closed / Lapsed |