Patent US2767147A successfully refreshed from Google Patents.
US2767147A
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Method for preparing a platinum containing reforming catalyst
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1951-03-29
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Granted: 1956-10-16
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Expires: 1971-03-29
Abstract
No abstract record available.
Inventors
- 👤 Julius P Bilisoly
- 👤 Joseph A Polack
- 👤 Marnell A Segura
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 16:12
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/42; B01J37/00; B01J37/20
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE METHOD OF PREPARING A PLATINUM-CONTAINING CATALYST ON AN ALUMINA BASE WHICH COMPRISES THE STEPS OF TREATING DRIED PARTICULATE ALUMINA THAT HAS BEEN ACTIVATED WITH A MIXED SOLUTION OF HYDROGEN FLUORIDE AND A SOLUBLE PLATINUM SALT AND THEN SULFIDING THE RESULTING WET MIXTURE WITH A STREAM OF HYDROGEN SULFIDE TO DEPOSIT A FINELY DIVIDED PLATINUM-CONTAINING DISPERSION ON THE SURFACE OF THE ACTIVE ALUMINA.
Claim 2
Independent Claim
63 words
THE METHOD OF PREPARING A PLATINUM-CONTAINING CATALYST ON AN ALUMINA BASE WHICH COMPRISES THE STEPS OF TREATING DRIED PARTICULATE ALUMINA THAT HAS BEEN ACTIVATED WITH A MIXED SOLUTION OF HYDROGEN FLUORIDE AND A SOLUBLE PLATINUM SALT AND THEN SULFIDING THE RESULTING WET MIXTURE WITH A STREAM OF HYDROGEN SULFIDE TO DEPOSIT A FINELY DIVIDED PLATINUM-CONTAINING DISPERSION ON THE SURFACE OF THE ACTIVE ALUMINA.
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) | 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 |