Patent US3248344A successfully refreshed from Google Patents.
US3248344A
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US
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Method of activating oxidation catalyst compositions
Assignee: Universal Oil Products Co
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Filing: 1962-12-21
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Granted: 1966-04-26
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Expires: 1982-12-21
Abstract
No abstract record available.
Inventors
- 👤 George R Donaldson
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 02:55
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/44; B01J37/00; B01J37/02; B01J37/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
100 words
A METHOD FOR ACTIVATING AN OXIDATION CATALYST HAVING A COATING OF A CATALYTICALLY ACTIVE METAL COMPONENT SELECTED FROM THE GROUP CONSISTING OF PLATINUM, PALLADIUM AND MIXTURES THEREOF TO IMPROVE ITS OXIDIZING CHARACTERISTICS, WHICH COMPRISES, THE STEPS OF, FIRSTLY BURNING HYDROCARBON VAPORS IN EXCESS AIR AT A TEMPERATURE ABOVE ABOUT 600*F. ON THE SURFACE OF THE CATALYST TO FORM AN OXIDIZED COATING, AND SUBSEQUENTLY, HEATING SUCH COATED AND TREATED CATALYST AT A TEMPERATURE ABOVE ABOUT 1000* F. IN THE PRESENCE OF A MIXED GAS STREAM CONTAINING A MAJOR PROPORTION OF HYDROGEN, WHEREBY TO EFFECT A FINALLY REDUCED AND ACTIVATED OXIDATION CATALYST.
Claim 2
Independent Claim
100 words
A METHOD FOR ACTIVATING AN OXIDATION CATALYST HAVING A COATING OF A CATALYTICALLY ACTIVE METAL COMPONENT SELECTED FROM THE GROUP CONSISTING OF PLATINUM, PALLADIUM AND MIXTURES THEREOF TO IMPROVE ITS OXIDIZING CHARACTERISTICS, WHICH COMPRISES, THE STEPS OF, FIRSTLY BURNING HYDROCARBON VAPORS IN EXCESS AIR AT A TEMPERATURE ABOVE ABOUT 600*F. ON THE SURFACE OF THE CATALYST TO FORM AN OXIDIZED COATING, AND SUBSEQUENTLY, HEATING SUCH COATED AND TREATED CATALYST AT A TEMPERATURE ABOVE ABOUT 1000* F. IN THE PRESENCE OF A MIXED GAS STREAM CONTAINING A MAJOR PROPORTION OF HYDROGEN, WHEREBY TO EFFECT A FINALLY REDUCED AND ACTIVATED OXIDATION CATALYST.
References Cited (Backward Citations)
US2720494A
Cited
US2817626A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1969-04-25 | 1969-10-25 | 1970-04-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-04-25 | 1973-10-25 | 1974-04-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-04-25 | 1977-10-25 | 1978-04-26 | $7700.00 | Window Closed / Lapsed |