US2550953A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Catalytic hydrogenation of unsaturated fluorohydrocarbons
Assignee: EIDP Inc
•
Filing: 1944-12-08
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Granted: 1951-05-01
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Expires: 1964-12-08
Abstract
No abstract record available.
Inventors
- 👤 Paul L Barrick
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 08:23
CPC Classifications
C; C07; C07C; C07C17/00; C07C17/35; C07C17/354
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
63 words
THE PROCESS FOR OBTAINING A SHORT CHAIN FLUOROALKANE WHICH COMPRISES HEATING A UNSATURATED ACYCLIC FLUOROHYDROCARBON CONTAINING FROM 2 TO 9 CARBON ATOMS WITH HYDROGEN IN THE LIQUID PHASE AT A TEMPERATURE WITHIN THE RANGE OF FROM 60% C. TO 125* C. UNDER A PRESSURE WITHIN THE RANGE OF FROM 1000 LBS./SQ. IN TO 2000 LBS./SQ. IN IN THE PRESENCE OF A HYDROGENATION CATALYST.
Claim 2
Dependent Claim
63 words
THE PROCESS FOR OBTAINING A SHORT CHAIN FLUOROALKANE WHICH COMPRISES HEATING A UNSATURATED ACYCLIC FLUOROHYDROCARBON CONTAINING FROM 2 TO 9 CARBON ATOMS WITH HYDROGEN IN THE LIQUID PHASE AT A TEMPERATURE WITHIN THE RANGE OF FROM 60% C. TO 125* C. UNDER A PRESSURE WITHIN THE RANGE OF FROM 1000 LBS./SQ. IN TO 2000 LBS./SQ. IN IN THE PRESENCE OF A HYDROGENATION CATALYST.
References Cited (Backward Citations)
US2118662A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-04-30 | 1954-10-30 | 1955-05-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-04-30 | 1958-10-30 | 1959-05-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-04-30 | 1962-10-30 | 1963-05-01 | $7700.00 | Window Closed / Lapsed |