US3278416A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrocarbon conversion with superactive catalysts
Assignee: Mobil Oil AS
•
Filing: 1962-11-13
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Granted: 1966-10-11
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Expires: 1982-11-13
Abstract
No abstract record available.
Inventors
- 👤 Francis G Dwyer
- 👤 Sylvander C Eastwood
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 05:18
CPC Classifications
C; C10; C10G; C10G11/00; C10G11/02; C10G11/04; C10G11/05
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
79 words
IN A PROCESS FOR THE FLUID CATALYTIC CRACKING OF CHARGE HYDROCARBONS BY CONTACT AT FLUID CRACKING CONDITIONS OF TEMPERATURE AND PRESSURE WITH A COMPOSITE CATALYST COMPRISING A SUPERACTIVE ALUMINOSILICATE OF ACTIVITY AC DISPERSED IN A SOLID POROUS MATRIX OF SUBSTANTIALLY LESSER ACTIVITY THAN SAID ALUMINOSILICATE, TTHE SUPERACTIVE COMPONENT CONSTITUTING A FRACTION F OF THE TOTAL CATALYST, THE IMPROVEMENT WHICH COMPRISES REGULATING THE SPACE VELOCITY S IN VOLUME OF CHARGE PER VOLUME OF CATALYST PER HOUR ACCORDING TO THE FORMULA
Claim 2
Dependent Claim
79 words
IN A PROCESS FOR THE FLUID CATALYTIC CRACKING OF CHARGE HYDROCARBONS BY CONTACT AT FLUID CRACKING CONDITIONS OF TEMPERATURE AND PRESSURE WITH A COMPOSITE CATALYST COMPRISING A SUPERACTIVE ALUMINOSILICATE OF ACTIVITY AC DISPERSED IN A SOLID POROUS MATRIX OF SUBSTANTIALLY LESSER ACTIVITY THAN SAID ALUMINOSILICATE, TTHE SUPERACTIVE COMPONENT CONSTITUTING A FRACTION F OF THE TOTAL CATALYST, THE IMPROVEMENT WHICH COMPRISES REGULATING THE SPACE VELOCITY S IN VOLUME OF CHARGE PER VOLUME OF CATALYST PER HOUR ACCORDING TO THE FORMULA
Claim 3
Dependent Claim
20 words
THE PROCESS OF CLAIM 1 WHEREIN THE CHARGE IS FIRST EXTRACTED WITH A SOLVENT TO REDUCE ITS RELATIVE COKING TENDENCY.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-10-10 | 1970-04-11 | 1970-10-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-10-10 | 1974-04-11 | 1974-10-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-10-10 | 1978-04-11 | 1978-10-11 | $7700.00 | Window Closed / Lapsed |