Patent US3390191A successfully refreshed from Google Patents.
US3390191A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Hydrogenation of methyl trifluoroacetate to trifluoroethanol
Assignee: Honeywell International Inc
•
Filing: 1964-03-24
•
Granted: 1968-06-25
•
Expires: 1984-03-24
Abstract
No abstract record available.
Inventors
- 👤 Louis G Anello
- 👤 William J Cunningham
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-06 12:12
CPC Classifications
C; C07; C07C; C07C31/00; C07C31/34
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
109 words
A METHOD FOR THE PREPARATION OF 2,2,2-TRIFLUOROETHANOL WHICH COMPRISES PASSING A VAPOROUS MIXTURE OF HYDROGEN AND METHYL TRIFLUOROACETATE, WHEREIN THE HYDROGEN TO METHYL TRIFLUOROACETATE MOLE RATIO IS ABOUT 0.25 TO 50:1, AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 200* TO 400*C., AT A PRESSURE OF ONE TO FIVE ATMOSPHERES AND AT A VOLUME HOURLY SPACE VELOCITY WITHIN THE RANGE OF 100 TO 1000 THROUGH A REACTOR CONTAINING A CATALYST CONSISTING ESSENTAILLY OF CHROMIUM OXIDE, COPPER OXIDE AND A STABILIZING METAL OXIDE SELECTED FROM THE CLASS CONSISTING OF BARIUM OXIDE, CALCIUM OXIDE, CADMIUM OXIDE, MAGNESIUM OXIDE, LEAD OXIDE AND SILVER OXIDE, AND SEPARATING 2,2,2TRIFLUOROETHANOL FROM THE RESULTANT REACTION MIXTURE.
Claim 2
Independent Claim
109 words
A METHOD FOR THE PREPARATION OF 2,2,2-TRIFLUOROETHANOL WHICH COMPRISES PASSING A VAPOROUS MIXTURE OF HYDROGEN AND METHYL TRIFLUOROACETATE, WHEREIN THE HYDROGEN TO METHYL TRIFLUOROACETATE MOLE RATIO IS ABOUT 0.25 TO 50:1, AT A TEMPERATURE WITHIN THE RANGE OF ABOUT 200* TO 400*C., AT A PRESSURE OF ONE TO FIVE ATMOSPHERES AND AT A VOLUME HOURLY SPACE VELOCITY WITHIN THE RANGE OF 100 TO 1000 THROUGH A REACTOR CONTAINING A CATALYST CONSISTING ESSENTAILLY OF CHROMIUM OXIDE, COPPER OXIDE AND A STABILIZING METAL OXIDE SELECTED FROM THE CLASS CONSISTING OF BARIUM OXIDE, CALCIUM OXIDE, CADMIUM OXIDE, MAGNESIUM OXIDE, LEAD OXIDE AND SILVER OXIDE, AND SEPARATING 2,2,2TRIFLUOROETHANOL FROM THE RESULTANT REACTION MIXTURE.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1971-06-25 | 1971-12-25 | 1972-06-25 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1975-06-25 | 1975-12-25 | 1976-06-25 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1979-06-25 | 1979-12-25 | 1980-06-25 | $7700.00 | Window Closed / Lapsed |