US2767124A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic reforming process
Assignee: Phillips Petroleum Co
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Filing: 1952-04-29
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Granted: 1956-10-16
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Expires: 1972-04-29
Abstract
No abstract record available.
Inventors
- 👤 John W Myers
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 19:35
CPC Classifications
C; C10; C10G; C10G59/00; C10G59/06; C10G2400/00; C10G2400/02
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
115 words
A PROCESS FOR TREATING A RELATIVELY LOW OCTANE NUMBER NAPHTHA WHICH COMPRISES FRACTIONATING SAID NAPHTHA INTO A PLURALITY OF FRACTIONS RANGING FROM LIGHT NAPHTHA TO HEAVY NAPHTHA, CATALYTICALLY REFORMING EACH SAID FRACTION UNDER CONDITIONS OPTIMUM TO EACH, AND ADMIXING C3 AND C4 HYDROCARBONS FORMED IN AT LEAST ONE OF THE SAID HEAVY NAPHTHA FRACTION REFORMING STEPS WITH THE FEED TO AT LEAST ONE OF SAID LIGHT NAPHTHA FRACTION REFORMING STEPS TO FORM A MIXTURE CONSISTING ESSENTIALLY OF SAID LIGHT NAPHTHA FRACTION AND SAID C3 AND C4 HYDROCARBONS, PASSING SAID MIXTURE TO A LIGHT NAPTHA CATALYTIC REFORMING ZONE AND THEREIN SIMULTANEOUSLY UPGRADING SAID LIGHT NAPHTHA AND DEHYDROGENATING SAID C3 AND C4 HYDROCARBONS TO FORM CORRESPONDING OLEFINS.
Claim 2
Dependent Claim
115 words
A PROCESS FOR TREATING A RELATIVELY LOW OCTANE NUMBER NAPHTHA WHICH COMPRISES FRACTIONATING SAID NAPHTHA INTO A PLURALITY OF FRACTIONS RANGING FROM LIGHT NAPHTHA TO HEAVY NAPHTHA, CATALYTICALLY REFORMING EACH SAID FRACTION UNDER CONDITIONS OPTIMUM TO EACH, AND ADMIXING C3 AND C4 HYDROCARBONS FORMED IN AT LEAST ONE OF THE SAID HEAVY NAPHTHA FRACTION REFORMING STEPS WITH THE FEED TO AT LEAST ONE OF SAID LIGHT NAPHTHA FRACTION REFORMING STEPS TO FORM A MIXTURE CONSISTING ESSENTIALLY OF SAID LIGHT NAPHTHA FRACTION AND SAID C3 AND C4 HYDROCARBONS, PASSING SAID MIXTURE TO A LIGHT NAPTHA CATALYTIC REFORMING ZONE AND THEREIN SIMULTANEOUSLY UPGRADING SAID LIGHT NAPHTHA AND DEHYDROGENATING SAID C3 AND C4 HYDROCARBONS TO FORM CORRESPONDING OLEFINS.
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) | 1959-10-16 | 1960-04-16 | 1960-10-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-10-16 | 1964-04-16 | 1964-10-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-10-16 | 1968-04-16 | 1968-10-16 | $7700.00 | Window Closed / Lapsed |