US3754044A
Expired / Lapsed
US
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Dehydrohalogenation of halogenated compounds
Assignee: EIDP Inc
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Filing: 1968-02-28
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Granted: 1973-08-21
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Expires: 1988-02-28
Abstract
Abstract HALOGEN-CONTAINING ORGANIC COMPOUNDS ARE TREATED WITH AQUEOUS INORGANIC ALKALINE MATERIAL IN THE PRESENCE OF A CATALYTIC AMOUNT OF PRIMARY CATALYST AND PRONOTER TO SPLIT OF HYDRROGEN HALIDDE.
Inventors
- 👤 C Hargreaves
- 👤 S Piaseczynski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 11:14
CPC Classifications
A; A62; A62D; A62D3/00; A62D3/30; A62D3/34; C; C07; C07C; C07C17/00; C07C17/25; A62D2101/00; A62D2101/20; A62D2101/22
Claims Analysis
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References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1976-08-20 | 1977-02-19 | 1977-08-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-08-20 | 1981-02-19 | 1981-08-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-08-20 | 1985-02-19 | 1985-08-21 | $7700.00 | Window Closed / Lapsed |