US3450644A
Expired / Lapsed
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Treatment of oxidatively regenerated molecular sieve catalysts
Assignee: Union Carbide Corp
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Filing: 1966-11-15
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Granted: 1969-06-17
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Expires: 1986-11-15
Abstract
No abstract record available.
Inventors
- 👤 Mohammed Ali Lanewala
- 👤 Anthony P Bolton
- 👤 Paul E Pickert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 02:51
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/22; C07C5/27; C07C5/2702; C07C5/2708; B; B01; B01J; B01J20/00; B01J20/30; B01J20/34; B01J20/3408; B01J29/00; B01J29/04; B01J29/06; B01J29/08; B01J29/90; C07C5/2206; C07C5/226; C07C5/2767; C07C5/277; C07C5/2791; C07C2529/00; C07C2529/04; C07C2529/06; C07C2529/08; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/584
Claims Analysis
Total Claims: 0
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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) | 1972-06-16 | 1972-12-16 | 1973-06-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-06-16 | 1976-12-16 | 1977-06-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-06-16 | 1980-12-16 | 1981-06-17 | $7700.00 | Window Closed / Lapsed |