Patent US2854400A successfully refreshed from Google Patents.
US2854400A
Expired / Lapsed
US
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Catalytic conversion of hydrocarbons with separate regeneration of the several components
Assignee: ExxonMobil Oil Corp
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Filing: 1954-07-13
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Granted: 1958-09-30
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Expires: 1974-07-13
Abstract
No abstract record available.
Inventors
- 👤 Paul B Weisz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-29 07:06
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/96; B01J23/38; B01J23/40; B01J8/00; B01J8/08; B01J8/12; C; C10; C10G; C10G35/00; C10G35/04; C10G35/10; C10G35/12; C10G49/00; C10G49/10; C10G49/14
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
102 words
A METHOD FOR CONVERTING HYDROCARBONS, WHICH COMPRISES CONTACTING A HYDROCARBON CHARGE WITH A CATALYST CONSISTING ESSENTIALLY OF A MECHANICAL MIXTURE OF A COMPONENT EXHIBITING DEHYDROGENATION ACTIVITY, WHICH COMPONENT CONSISTS OF 0.1 TO 2 PERCENT BY WEIGHT OF PLATINUM DEPOSITED ON AN INERT POROUS SUPPORT AND AN ACIDIC COMPONENT EXHIBITING CRACKING ACTIVITY, THEREAFTER SEPARATING THE CATALYST MIXTURE INTO ITS COMPONENTS, SUBJECTING THE SEPARATED DEHYDROGENATION COMPONENT TO REGENERATION IN THE PRESENCE OF HYDROGEN, SUBJECTING THE SEPARATED CRACKING COMPONENT TO REGENERATION IN THE PRESENCE OF AN OXYGEN-CONTAINING GAS, COMBINING THE SEPARATELY REGENATED PARTICLES AND RECYCLING THE RESULTING MIXTURE FOR FURTHER CONTACT WITH SAID HYDROCARBON CHARGE.
Claim 2
Independent Claim
102 words
A METHOD FOR CONVERTING HYDROCARBONS, WHICH COMPRISES CONTACTING A HYDROCARBON CHARGE WITH A CATALYST CONSISTING ESSENTIALLY OF A MECHANICAL MIXTURE OF A COMPONENT EXHIBITING DEHYDROGENATION ACTIVITY, WHICH COMPONENT CONSISTS OF 0.1 TO 2 PERCENT BY WEIGHT OF PLATINUM DEPOSITED ON AN INERT POROUS SUPPORT AND AN ACIDIC COMPONENT EXHIBITING CRACKING ACTIVITY, THEREAFTER SEPARATING THE CATALYST MIXTURE INTO ITS COMPONENTS, SUBJECTING THE SEPARATED DEHYDROGENATION COMPONENT TO REGENERATION IN THE PRESENCE OF HYDROGEN, SUBJECTING THE SEPARATED CRACKING COMPONENT TO REGENERATION IN THE PRESENCE OF AN OXYGEN-CONTAINING GAS, COMBINING THE SEPARATELY REGENATED PARTICLES AND RECYCLING THE RESULTING MIXTURE FOR FURTHER CONTACT WITH SAID HYDROCARBON CHARGE.
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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) | 1961-09-29 | 1962-03-31 | 1962-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-29 | 1966-03-31 | 1966-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-29 | 1970-03-31 | 1970-09-30 | $7700.00 | Window Closed / Lapsed |