Patent US3461084A successfully refreshed from Google Patents.
US3461084A
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US
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Cupric chloride-alumina catalyst
Assignee: Monsanto Co
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Filing: 1965-11-10
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Granted: 1969-08-12
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Expires: 1985-11-10
Abstract
No abstract record available.
Inventors
- 👤 Tao Ping Li
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 18:35
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/093; C07C17/15; C07C17/152; B; B01; B01J; B01J27/00; B01J27/06; C01; C01B; C01B7/00; C01B7/01; C01B7/03; C01B7/04
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
US2399488A
Cited
US2442285A
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US2547928A
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US3010913A
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US3232889A
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US3148222A
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US3353916A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1972-08-11 | 1973-02-10 | 1973-08-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-08-11 | 1977-02-10 | 1977-08-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-08-11 | 1981-02-10 | 1981-08-12 | $7700.00 | Window Closed / Lapsed |