Patent US3038936A successfully refreshed from Google Patents.
US3038936A
Expired / Lapsed
US
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Catalyzed oxidation of trifluoroethanol
Assignee: Pennwalt Corp
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Filing: 1957-06-25
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Granted: 1962-06-12
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Expires: 1977-06-25
Abstract
No abstract record available.
Inventors
- 👤 Braid Milton
- 👤 Lawlor Francis
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:57
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/27; C07C45/32; C07C45/37; C07C45/38; C07C47/00; C07C47/02; C07C47/14; C07C51/00; C07C51/16; C07C51/21; C07C51/23; C07C51/235
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
61 words
THE METHOD FOR THE OXIDATION OF TRIFLUOROETHANOL TO A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIFLUOROACETALDEHYDE AND TRIFLUOROACETIC ACID WHICH COMPRISES CONTACTING TRIFLUOROETHANOL IN THE VAPOR PHASE AT A TEMPERATURE FROM ABOUT 200* TO ABOUT 300*C, WITH GASEOUS OXYGEN IN THE PRESENCE OF AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF VANADIUM, CHROMIUM, MOLYBDENUM, TUNGSTEN AND URANIUM.
Claim 2
Independent Claim
61 words
THE METHOD FOR THE OXIDATION OF TRIFLUOROETHANOL TO A COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIFLUOROACETALDEHYDE AND TRIFLUOROACETIC ACID WHICH COMPRISES CONTACTING TRIFLUOROETHANOL IN THE VAPOR PHASE AT A TEMPERATURE FROM ABOUT 200* TO ABOUT 300*C, WITH GASEOUS OXYGEN IN THE PRESENCE OF AN OXIDE OF A METAL SELECTED FROM THE GROUP CONSISTING OF VANADIUM, CHROMIUM, MOLYBDENUM, TUNGSTEN AND URANIUM.
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) | 1965-06-11 | 1965-12-11 | 1966-06-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-06-11 | 1969-12-11 | 1970-06-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-06-11 | 1973-12-11 | 1974-06-12 | $7700.00 | Window Closed / Lapsed |