US3383431A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dehydrogenation over catalyst of pd on molecular sieve treated with aluminum monofluoride vapor
Assignee: Universal Oil Products Co
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Filing: 1967-06-30
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Granted: 1968-05-14
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Expires: 1987-06-30
Abstract
No abstract record available.
Inventors
- 👤 Norman A Fishel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 12:56
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/32; C07C5/321; C07C5/324; C07C5/325; B; B01; B01J; B01J29/00; B01J29/04; B01J29/06; B01J29/064; C07C5/327; C07C5/333; C07C5/3335; C07C5/3337; Y; Y02; Y02P; Y02P20/00; Y02P20/50; Y02P20/582
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) | 1971-05-14 | 1971-11-13 | 1972-05-14 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-05-14 | 1975-11-13 | 1976-05-14 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-05-14 | 1979-11-13 | 1980-05-14 | $7700.00 | Window Closed / Lapsed |