US3303124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic hydrocracking of naphthas with the use of a catalyst composite comprising copper on a siliceous support
Assignee: Shell USA Inc
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Filing: 1964-12-24
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Granted: 1967-02-07
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Expires: 1984-12-24
Abstract
No abstract record available.
Inventors
- 👤 Clarence W Bittner
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 07:23
CPC Classifications
C; C10; C10G; C10G35/00; C10G35/04; C10G35/06
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
A PROCESS FOR CONVERTING A PARAFFINIC NAPHTHA HAVING AT LEAST 60% BY VOLUME PARAFFINS AND BOILING IN THE RANGE FROM ABOUT 200* TO 450*F. INTO LIGHT GASOLINE BOILING BELOW ABOUT 200*F. WHICH COMPRISES CONTACTING SAID NAPHTHA AT A TEMPERATURE IN THE RANGE FROM ABOUT 450* TO 850*F., A PRESSURE IN THE RANGE FROM ABOUT 500 TO 3000 POUNDS PER SQUARE INCH AND A HYDROGEN TO OIL MOLE RATIO IN THE RANGE FROM ABOUT 5:1 TO 25:1; WITH A CATALYST COMPRISING COPPER INTIMATELY ASSOCIATED WITH AN ACID-ACTING SILICEOUS REFRACTORY OXIDE CRACKING CATALYST, SAID CATALYST HAVING BEEN FORMED BY INCORPORATING THE COPPER INTO A HYDROGEL OF THE REFRACTORY OXIDE.
Claim 2
Dependent Claim
107 words
A PROCESS FOR CONVERTING A PARAFFINIC NAPHTHA HAVING AT LEAST 60% BY VOLUME PARAFFINS AND BOILING IN THE RANGE FROM ABOUT 200* TO 450*F. INTO LIGHT GASOLINE BOILING BELOW ABOUT 200*F. WHICH COMPRISES CONTACTING SAID NAPHTHA AT A TEMPERATURE IN THE RANGE FROM ABOUT 450* TO 850*F., A PRESSURE IN THE RANGE FROM ABOUT 500 TO 3000 POUNDS PER SQUARE INCH AND A HYDROGEN TO OIL MOLE RATIO IN THE RANGE FROM ABOUT 5:1 TO 25:1; WITH A CATALYST COMPRISING COPPER INTIMATELY ASSOCIATED WITH AN ACID-ACTING SILICEOUS REFRACTORY OXIDE CRACKING CATALYST, SAID CATALYST HAVING BEEN FORMED BY INCORPORATING THE COPPER INTO A HYDROGEL OF THE REFRACTORY OXIDE.
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) | 1970-02-06 | 1970-08-08 | 1971-02-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-02-06 | 1974-08-08 | 1975-02-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-02-06 | 1978-08-08 | 1979-02-07 | $7700.00 | Window Closed / Lapsed |