Patent US4083629A successfully refreshed from Google Patents.
Patent US3360458A successfully refreshed from Google Patents.
US3360458A
Expired / Lapsed
US
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Hydrocracking process
Assignee: Union Oil Company of California
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Filing: 1966-11-21
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Granted: 1967-12-26
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Expires: 1986-11-21
Abstract
No abstract record available.
Inventors
- 👤 Young Dean Arthur
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 23:25
CPC Classifications
C; C10; C10G; C10G65/00; C10G65/02; C10G65/10; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/10; B01J29/12; C10G47/00; C10G47/02; C10G47/10; C10G47/12; C10G47/16; C10G47/18
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
120 words
A PROCESS FOR HYDROCRACKING A HYDROCARBON FEEDSTOCK CONTAINING BOTH POLYCYCLIC AND NON-POLYCYCLIC HYDROCARBONS, WHICH COMPRISES: SUBJECTING SAID FEEDSTOCK PLUS AT LEAST ABOUT 500 S.C.F./B. OF ADDED HYDROGEN TO CATALYTIC HYDROCRACKING AT PRESSURES ABOVE ABOUT 400 P.S.I.G. IN CONTACT WITH A HOMOGENEOUSLY COPELLETED MIXTURE OF TWO DIFFERENT CATALYSTS A AND B, CATALYST A CONSISTING ESSENTIALLY OF AN AMORPHOUS SOLID CRACKING BASE UPON WHICH IS DEPOSITED A MINOR PROPORTION OF A GROUP VIII NOBLE METAL, CATALYST B CONSISTING ESSENTAILLY OF A CRYSTALLINE, ZEOLITIC, MOLECULAR SIEVE CRACKING BASE UPON WHICH IS DEPOSITED A MINOR PROPORTION OF A GROUP VIII NOBLE METAL, CATALYST B CONTAINING A SUBSTANTILLY HIGHER ATOMIC PROPORTION OF NOBLE METAL THAN CATALYST A, AND RECOVEING DESIRED LOWBOILING HYDROCARBONS FROM SAID HYDROCRACKING.
Claim 2
Dependent Claim
120 words
A PROCESS FOR HYDROCRACKING A HYDROCARBON FEEDSTOCK CONTAINING BOTH POLYCYCLIC AND NON-POLYCYCLIC HYDROCARBONS, WHICH COMPRISES: SUBJECTING SAID FEEDSTOCK PLUS AT LEAST ABOUT 500 S.C.F./B. OF ADDED HYDROGEN TO CATALYTIC HYDROCRACKING AT PRESSURES ABOVE ABOUT 400 P.S.I.G. IN CONTACT WITH A HOMOGENEOUSLY COPELLETED MIXTURE OF TWO DIFFERENT CATALYSTS A AND B, CATALYST A CONSISTING ESSENTIALLY OF AN AMORPHOUS SOLID CRACKING BASE UPON WHICH IS DEPOSITED A MINOR PROPORTION OF A GROUP VIII NOBLE METAL, CATALYST B CONSISTING ESSENTAILLY OF A CRYSTALLINE, ZEOLITIC, MOLECULAR SIEVE CRACKING BASE UPON WHICH IS DEPOSITED A MINOR PROPORTION OF A GROUP VIII NOBLE METAL, CATALYST B CONTAINING A SUBSTANTILLY HIGHER ATOMIC PROPORTION OF NOBLE METAL THAN CATALYST A, AND RECOVEING DESIRED LOWBOILING HYDROCARBONS FROM SAID HYDROCRACKING.
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) | 1970-12-25 | 1971-06-26 | 1971-12-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-25 | 1975-06-26 | 1975-12-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-25 | 1979-06-26 | 1979-12-26 | $7700.00 | Window Closed / Lapsed |