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US2600654A
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Chromic oxide-cadmium chloridecadmium oxide catalyst
Assignee: Wyandotte Chemicals Corp
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Filing: 1949-07-23
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Granted: 1952-06-17
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Expires: 1969-07-23
Abstract
No abstract record available.
Inventors
- 👤 Edward C Jacobs
- 👤 Lester G Lundsted
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 10:21
CPC Classifications
B; B01; B01J; B01J27/00; B01J27/06; B01J23/00; B01J23/16; B01J23/24; B01J23/26; C; C07; C07C; C07C45/00; C07C45/56; C07C45/57; C07C45/58
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2258111A
Cited
US2486361A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1955-06-17 | 1955-12-17 | 1956-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1959-06-17 | 1959-12-17 | 1960-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1963-06-17 | 1963-12-17 | 1964-06-17 | $7700.00 | Window Closed / Lapsed |