Patent US2642383A successfully refreshed from Google Patents.
US2642383A
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US
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Catalytic reforming of hydrocarbons
Assignee: Universal Oil Products Co
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Filing: 1949-05-20
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Granted: 1953-06-16
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Expires: 1969-05-20
Abstract
No abstract record available.
Inventors
- 👤 Charles V Berger
- 👤 Haensel Vladimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:59
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/90; B01J23/96; C; C10; C10G; C10G35/00; C10G35/04; C10G35/06; C10G35/085
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
107 words
IN A REFORMING PROCESS WHEREIN A NORMALLY LIQUID HYDROCARBON FRACTION CONTAINING PARAFFINS AND NAPHTHENES BOILING BELOW ABOUT 425* F. IS PASSED WITH HYDROGEN AND AT REFORMING CONDITIONS THROUGH A CATALYST COMPRISING PLATINUM. ALUMINA AND COMBINED HALOGEN TO EFFECT HYDROCRACKING OF PARAFFINS AND DEHYDROGENATION OF NAPHTHENES, AND WHEREIN THE EXTENT OF SAID HYDROCRACKING TENDS TO INCREASE IN THE LATER STAGES OF THE PROCESSING PERIOD, THE METHOD OF MAINTAINING THE EXTENT OF HYDROCRACKING SUBSTANTIALLY CONSTANT OVER SAID PROCESSING PERIOD WHICH COMPRISES INTRODUCING H2O TO THE REFORMING ZONE DURING THE LATER STAES, AT LEAST, OF THE PROCESSING PERIOD AND REGULATING ITS PARTIAL PRESSURE TO SUPPRESS SAID INCREASED TENDENCY TOWARD HYDROCRACKING.
Claim 2
Dependent Claim
107 words
IN A REFORMING PROCESS WHEREIN A NORMALLY LIQUID HYDROCARBON FRACTION CONTAINING PARAFFINS AND NAPHTHENES BOILING BELOW ABOUT 425* F. IS PASSED WITH HYDROGEN AND AT REFORMING CONDITIONS THROUGH A CATALYST COMPRISING PLATINUM. ALUMINA AND COMBINED HALOGEN TO EFFECT HYDROCRACKING OF PARAFFINS AND DEHYDROGENATION OF NAPHTHENES, AND WHEREIN THE EXTENT OF SAID HYDROCRACKING TENDS TO INCREASE IN THE LATER STAGES OF THE PROCESSING PERIOD, THE METHOD OF MAINTAINING THE EXTENT OF HYDROCRACKING SUBSTANTIALLY CONSTANT OVER SAID PROCESSING PERIOD WHICH COMPRISES INTRODUCING H2O TO THE REFORMING ZONE DURING THE LATER STAES, AT LEAST, OF THE PROCESSING PERIOD AND REGULATING ITS PARTIAL PRESSURE TO SUPPRESS SAID INCREASED TENDENCY TOWARD 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) | 1956-06-15 | 1956-12-15 | 1957-06-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1960-06-15 | 1960-12-15 | 1961-06-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1964-06-15 | 1964-12-15 | 1965-06-16 | $7700.00 | Window Closed / Lapsed |