US3577477A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for converting saturated hydrocarbons to unsaturated hydrocarbons by oxidation
Assignee: IFP Energies nouvelles
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Filing: 1969-01-03
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Granted: 1971-05-04
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Expires: 1989-01-03
Abstract
Abstract A PROCESS FOR OXIDIZING SATURATED HYDROCARBONS TO OLEFINS AND/OR DIENES, WITHOUT THE SUBSTANTIAL FORMATION OF OXYGEN-CONTAINING BY-PRODUCTS, DUE TO THE CONTROL OF THE AMOUNT OF OXYGEN USED DURING THE OXIDATION REACTION AND THE SELECTION OF PARTICULAR CONDITIONS FOR MANUFACTURING THE CATALYST.
Inventors
- 👤 Pierre Boutry
- 👤 Roger Montarnal
- 👤 Jean Claude Daumas
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 10:33
CPC Classifications
C; C07; C07C; C07C5/00; C07C5/42; C07C5/48; B; B65; B65D; B65D75/00; B65D75/04; B65D75/06; B65D75/12
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-05-03 | 1974-11-02 | 1975-05-04 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-05-03 | 1978-11-02 | 1979-05-04 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-05-03 | 1982-11-02 | 1983-05-04 | $7700.00 | Window Closed / Lapsed |