US3591646A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for obtaining halogenated,fluorine containing organic compounds
Assignee: Montedison SpA
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Filing: 1967-12-18
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Granted: 1971-07-06
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Expires: 1987-12-18
Abstract
Abstract CONTINUOUS PROCESS FOR THE PREPARATION OF CHLOROFLUOROETHANES BY CATALYTIC REACTION IN GASEOUS PHASE OF ACETYLENE, HYDROGEN FLUORIDE AND CHLORINE CARRIED OUT IN THE PRESENCE OF A RECYCLE MIXTURE OF HALOGENATED HYDROCARBONS AT A TEMPERATURE IN THE RANGE FROM 250 TO 500* C.
Inventors
- 👤 Martino Vecchio
- 👤 Italo Cammarata
- 👤 Vittorio Fattore
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 09:03
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/013; C07C17/06
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) | 1974-07-05 | 1975-01-04 | 1975-07-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-07-05 | 1979-01-04 | 1979-07-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-07-05 | 1983-01-04 | 1983-07-06 | $7700.00 | Window Closed / Lapsed |