Patent US3030301A successfully refreshed from Google Patents.
US3030301A
Expired / Lapsed
US
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Catalytic reforming
Assignee: Individual
•
Filing: 1958-10-30
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Granted: 1962-04-17
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Expires: 1978-10-30
Abstract
No abstract record available.
Inventors
- 👤 White Peter Thomas
- 👤 Ward Denis Sidney
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 13:53
CPC Classifications
B; B01; B01J; B01J37/00; B01J37/22; B01J37/26; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J23/90; B01J23/96; C; C10; C10G; C10G35/00; C10G35/24
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
150 words
IN THE REFORMING OF A PETROLEUM FRACTION BY CONTACTING THE FRACTION IN A REACTION ZONE WITH A FIXED BED CATALYST CONSISTING ESSENTIALLY OF PLATINUM, ALUMINA, AND 0.1-8% COMBINED HALOGEN BY WEIGHT OF ALUMINA AT THE START OF A GIVEN PROCESSING PERIOD, SAID HALOGEN BEING AT LEAST 0.1-3% FLUORINE, AT ELEVATED TEMPERATURE AND PRESSURE, AND IN THE PRESENCE OF HYDROGEN, WITH RECYCLE OF GAS TO SAID REACTION ZONE BUT WITHOUT THE INTRODUCTION OF HALOGEN INTO THE REACTION ZONE DURING SAID PROCESSING PERIOD, WHICH CATALYST HAS LOST FLUORINE DURING THE PROCESSING PERIOD, THE IMPROVEMENT OF ADJUSTING THE FLUORINE CONTENT OF THE CATALYST WITHIN THE RANGE OF 0.1-8% AT THE COMPLETION OF SAID GIVEN PROCESSING PERIOD WHICH COMPRISES, OBTAINING THE AVERAGE PERCENT MOLAR WATER CONTENT OF THE RECYCLE GAS AND THE HOURS ON STREAM DURING THE GIVEN PROCESSING PERIOD, DETERMINING THE PRECISE FLUORINE LOSS DURING SAID GIVEN PROCESSING PERIOD ACCORDING TO THE EQUATION
Claim 2
Dependent Claim
150 words
IN THE REFORMING OF A PETROLEUM FRACTION BY CONTACTING THE FRACTION IN A REACTION ZONE WITH A FIXED BED CATALYST CONSISTING ESSENTIALLY OF PLATINUM, ALUMINA, AND 0.1-8% COMBINED HALOGEN BY WEIGHT OF ALUMINA AT THE START OF A GIVEN PROCESSING PERIOD, SAID HALOGEN BEING AT LEAST 0.1-3% FLUORINE, AT ELEVATED TEMPERATURE AND PRESSURE, AND IN THE PRESENCE OF HYDROGEN, WITH RECYCLE OF GAS TO SAID REACTION ZONE BUT WITHOUT THE INTRODUCTION OF HALOGEN INTO THE REACTION ZONE DURING SAID PROCESSING PERIOD, WHICH CATALYST HAS LOST FLUORINE DURING THE PROCESSING PERIOD, THE IMPROVEMENT OF ADJUSTING THE FLUORINE CONTENT OF THE CATALYST WITHIN THE RANGE OF 0.1-8% AT THE COMPLETION OF SAID GIVEN PROCESSING PERIOD WHICH COMPRISES, OBTAINING THE AVERAGE PERCENT MOLAR WATER CONTENT OF THE RECYCLE GAS AND THE HOURS ON STREAM DURING THE GIVEN PROCESSING PERIOD, DETERMINING THE PRECISE FLUORINE LOSS DURING SAID GIVEN PROCESSING PERIOD ACCORDING TO THE EQUATION
References Cited (Backward Citations)
US2816857A
Cited
US2916440A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-04-16 | 1965-10-16 | 1966-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-04-16 | 1969-10-16 | 1970-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-04-16 | 1973-10-16 | 1974-04-17 | $7700.00 | Window Closed / Lapsed |