Patent US2852474A successfully refreshed from Google Patents.
US2852474A
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Impregnation procedure for manufacturing hydroforming catalysts
Assignee: ExxonMobil Technology and Engineering Co
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Filing: 1951-09-04
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Granted: 1958-09-16
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Expires: 1971-09-04
Abstract
No abstract record available.
Inventors
- 👤 Arundale Erving
- 👤 Walter R F Guyer
- 👤 John P Thorn
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 21:38
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/44; B01J23/42; B01J37/00; B01J37/02; B01J37/03
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
95 words
A PROCESS FOR PREPARING CATALYSTS CONSISTING OF A METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM SUPPORTED ON A SUITABLE SPACING AGENT WHICH COMPRISES MIXING PARTICLES OF THE DRY, ADSORPTIVE SPACING AGENT WITH AN AQUEOUS SOLUTION OF A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM CONTAINING A SMALL AMOUNT OF A NON-ASHING WETTING AND DISPERSING AGENT IN AN AMOUNT SUFFICIENT TO DEPOSIT 0.1 TO 2.0 WT. PERCENT PLATINUM OR 0.5 TO 5.0 WT. PERCENT PALLADIUM ON THE SPACING AGENT AND FIXING THE CATALYTIC METAL UPON THE SUPPORT.
Claim 2
Dependent Claim
95 words
A PROCESS FOR PREPARING CATALYSTS CONSISTING OF A METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM SUPPORTED ON A SUITABLE SPACING AGENT WHICH COMPRISES MIXING PARTICLES OF THE DRY, ADSORPTIVE SPACING AGENT WITH AN AQUEOUS SOLUTION OF A COMPOUND OF A METAL SELECTED FROM THE GROUP CONSISTING OF PLATINUM AND PALLADIUM CONTAINING A SMALL AMOUNT OF A NON-ASHING WETTING AND DISPERSING AGENT IN AN AMOUNT SUFFICIENT TO DEPOSIT 0.1 TO 2.0 WT. PERCENT PLATINUM OR 0.5 TO 5.0 WT. PERCENT PALLADIUM ON THE SPACING AGENT AND FIXING THE CATALYTIC METAL UPON THE SUPPORT.
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) | 1961-09-15 | 1962-03-17 | 1962-09-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1965-09-15 | 1966-03-17 | 1966-09-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1969-09-15 | 1970-03-17 | 1970-09-16 | $7700.00 | Window Closed / Lapsed |