Patent US3356746A successfully refreshed from Google Patents.
US3356746A
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Preparation of 2, 2, 2-trifluoroethanol by catalytic hydrogenation
Assignee: Honeywell International Inc
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Filing: 1964-09-30
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Granted: 1967-12-05
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Expires: 1984-09-30
Abstract
No abstract record available.
Inventors
- 👤 Louis G Anello
- 👤 William J Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 14:21
CPC Classifications
C; C07; C07C; C07C29/00; C07C29/132; C07C29/136; C07C29/147; C07C29/149
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
71 words
A METHOD FOR THE PREPARATION OF 2,2,2-TRIFLUOROETHANOL WHICH COMPRISES PASSING A VAPOROUS MIXTURE OF 2,2,2TRIFLUOROETHYL TRIFLUOROACETATE AND HYDROGEN AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 200*C. TO 400*C. AND AT A PRESSURE OF ONE TO FIVE ATMOSPHERES THROUGH A REACTOR CONTAINING A CATALYST CONSISTING ESSENTIALLY OF A NOBLE METAL SELECTED FROM THE GROUP CONSISTING OF RUTHENIUM, RHODIUM, PALLADIUM, PLATINUM, OSMIUM, AND IRIDIUM, AND SEPARATING 2,2,2-TRIFLUOROETHANOL FROM THE RESULTING REACTION MIXTURE.
Claim 2
Independent Claim
71 words
A METHOD FOR THE PREPARATION OF 2,2,2-TRIFLUOROETHANOL WHICH COMPRISES PASSING A VAPOROUS MIXTURE OF 2,2,2TRIFLUOROETHYL TRIFLUOROACETATE AND HYDROGEN AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 200*C. TO 400*C. AND AT A PRESSURE OF ONE TO FIVE ATMOSPHERES THROUGH A REACTOR CONTAINING A CATALYST CONSISTING ESSENTIALLY OF A NOBLE METAL SELECTED FROM THE GROUP CONSISTING OF RUTHENIUM, RHODIUM, PALLADIUM, PLATINUM, OSMIUM, AND IRIDIUM, AND SEPARATING 2,2,2-TRIFLUOROETHANOL FROM THE RESULTING REACTION MIXTURE.
References Cited (Backward Citations)
US2776276A
Cited
FR1190705A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1970-12-04 | 1971-06-05 | 1971-12-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1974-12-04 | 1975-06-05 | 1975-12-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1978-12-04 | 1979-06-05 | 1979-12-05 | $7700.00 | Window Closed / Lapsed |