US2751333A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Reforming catalyst and process
Assignee: Houdry Process Corp
•
Filing: 1951-06-20
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Granted: 1956-06-19
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Expires: 1971-06-20
Abstract
No abstract record available.
Inventors
- 👤 Heinemann Heinz
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 01:38
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/38; B01J23/40; B01J23/44; B01J23/42; B01J21/00; B01J21/02; B01J27/00; Y; Y10; Y10S; Y10S585/00; Y10S585/8995; Y10S585/906
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
32 words
A CATALYST HAVING ACTIVITY FOR PROMOTING ISOMERIZATION AND DEHYDROGENERATION OF HYDROCARBONS, COMPRISING 0.05-2.0% BY WEIGHT PLATINUM ON AN ACTIVATED ALUMINA WHICH HAS BEEN ACID-TREATED WITH AN ORGANIC CARBOXYLIC BY WEIGHT OF BORIA.
Claim 2
Dependent Claim
32 words
A CATALYST HAVING ACTIVITY FOR PROMOTING ISOMERIZATION AND DEHYDROGENERATION OF HYDROCARBONS, COMPRISING 0.05-2.0% BY WEIGHT PLATINUM ON AN ACTIVATED ALUMINA WHICH HAS BEEN ACID-TREATED WITH AN ORGANIC CARBOXYLIC BY WEIGHT OF BORIA.
References Cited (Backward Citations)
US1338709A
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US2011749A
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US2422884A
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US2407918A
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US2623860A
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1959-06-19 | 1959-12-19 | 1960-06-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1963-06-19 | 1963-12-19 | 1964-06-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1967-06-19 | 1967-12-19 | 1968-06-19 | $7700.00 | Window Closed / Lapsed |