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US2424152A
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Titania gel-boria catalyst and its method of preparation
Assignee: Standard Oil Development Co
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Filing: 1942-08-22
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Granted: 1947-07-15
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Expires: 1962-08-22
Abstract
No abstract record available.
Inventors
- 👤 Gerald C Connolly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 15:28
CPC Classifications
B; B01; B01J; B01J21/00; B01J21/06; B01J21/063; B01J21/02; C; C10; C10G; C10G11/00; C10G11/02; C10G11/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
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GB349444A
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US1868565A
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US1935177A
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US1985343A
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GB501736A
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GB504614A
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US2213345A
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US2232727A
Cited
US2278228A
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US2339249A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1950-07-14 | 1951-01-13 | 1951-07-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1954-07-14 | 1955-01-13 | 1955-07-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1958-07-14 | 1959-01-13 | 1959-07-15 | $7700.00 | Window Closed / Lapsed |