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US2582428A
Expired / Lapsed
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Preparation of alumina-platinumhalogen catalyst
Assignee: Universal Oil Products Co
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Filing: 1949-06-17
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Granted: 1952-01-15
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Expires: 1969-06-17
Abstract
No abstract record available.
Inventors
- 👤 Haensel Viadimir
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 04:05
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; B01J27/128; B01J27/13
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
52 words
A METHOD OF MANUFACTURING A CATALYST WHICH COMPRISES ADDING A BASIC PRECIPITANT TO ALUMINUM CHLORIDE TO FORM ALUMINA CONTAINING CHLORINE, WASHING SAID ALUMINA TO RETAIN THEREIN FROM ABOUT 0.1% TO ABOUT 8% BY WEIGHT OF SAID CHLORINE, COMMINGLING A PLATINUM CONTAINING SOLUTION THEREWITH, DRYING THE RESULTANT COMPOSITE AND THEN CALCINING THE SAME.
Claim 2
Independent Claim
52 words
A METHOD OF MANUFACTURING A CATALYST WHICH COMPRISES ADDING A BASIC PRECIPITANT TO ALUMINUM CHLORIDE TO FORM ALUMINA CONTAINING CHLORINE, WASHING SAID ALUMINA TO RETAIN THEREIN FROM ABOUT 0.1% TO ABOUT 8% BY WEIGHT OF SAID CHLORINE, COMMINGLING A PLATINUM CONTAINING SOLUTION THEREWITH, DRYING THE RESULTANT COMPOSITE AND THEN CALCINING THE SAME.
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) | 1955-01-14 | 1955-07-16 | 1956-01-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-01-14 | 1959-07-16 | 1960-01-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-01-14 | 1963-07-16 | 1964-01-15 | $7700.00 | Window Closed / Lapsed |