US3346482A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocracking heavy hydrocarbon oils
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1963-08-23
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Granted: 1967-10-10
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Expires: 1983-08-23
Abstract
No abstract record available.
Inventors
- 👤 Jr William Floyd Arey
- 👤 Mason Ralph Burgess
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 21:08
CPC Classifications
B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/064; B01J29/068; C; C10; C10G; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
126 words
A PROCESS FOR HYDROCRACKING A HEAVY HYDROCARBON OIL FEED TO OBTAIN LOWER BOILING PRODUCT, SAID FEED HAVING A NITROGEN CONTENT BETWEEN ABOUT 100 AND ABOUT 20,000 P.P.M. AND CONTAINING ABOUT 20 TO 100 VOLUME PERCENT OF A PETROLEUM FRACTION HAVING AN INITIAL BOILING POINT OF AT LEAST ABOUT 650*F. AND A NITROGEN CONTENT OF AT LEAST ABOUT 500 P.P.M. WHICH PROCESS COMPRISES SUBJECTING SAID FEED TO HYDROCRACKING CONDITIONS IN THE PRESENCE OF ADDED HYDROGEN AND A HYDROCRACKING CATALYST COMPRISING A CRYSTALLINE ALUMINO-SILICATE ZEOLITE COMPOSITED WITH AT LEAST ABOUT 1.0 WT. PERCENT PLATINUM GROUP METAL, SAID ZEOLITE HAVING PORE OPENINGS OF ABOUT 6 TO 15 ANGSTROM UNITS AND A SILICA TO ALUMINA MOL RATIO OF 2.5 TO 14, AND CONTAINING LESS THAN ABOUT 10 WT. PERCENT NA2O.
Claim 2
Dependent Claim
126 words
A PROCESS FOR HYDROCRACKING A HEAVY HYDROCARBON OIL FEED TO OBTAIN LOWER BOILING PRODUCT, SAID FEED HAVING A NITROGEN CONTENT BETWEEN ABOUT 100 AND ABOUT 20,000 P.P.M. AND CONTAINING ABOUT 20 TO 100 VOLUME PERCENT OF A PETROLEUM FRACTION HAVING AN INITIAL BOILING POINT OF AT LEAST ABOUT 650*F. AND A NITROGEN CONTENT OF AT LEAST ABOUT 500 P.P.M. WHICH PROCESS COMPRISES SUBJECTING SAID FEED TO HYDROCRACKING CONDITIONS IN THE PRESENCE OF ADDED HYDROGEN AND A HYDROCRACKING CATALYST COMPRISING A CRYSTALLINE ALUMINO-SILICATE ZEOLITE COMPOSITED WITH AT LEAST ABOUT 1.0 WT. PERCENT PLATINUM GROUP METAL, SAID ZEOLITE HAVING PORE OPENINGS OF ABOUT 6 TO 15 ANGSTROM UNITS AND A SILICA TO ALUMINA MOL RATIO OF 2.5 TO 14, AND CONTAINING LESS THAN ABOUT 10 WT. PERCENT NA2O.
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) | 1970-10-09 | 1971-04-10 | 1971-10-10 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-10-09 | 1975-04-10 | 1975-10-10 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-10-09 | 1979-04-10 | 1979-10-10 | $7700.00 | Window Closed / Lapsed |