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US3483250A
Expired / Lapsed
US
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Oxidation of n-butane
Assignee: Halcon Research and Development Corp
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Filing: 1966-07-08
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Granted: 1969-12-09
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Expires: 1986-07-08
Abstract
No abstract record available.
Inventors
- 👤 Gerald Sugarman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 20:52
CPC Classifications
B; B01; B01J; B01J23/00; B01J23/70; B01J23/76; B01J23/84; B01J23/847; B01J23/8472; C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/215
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
87 words
A PROCESS FOR PREPARING ACETIC ACID WHICH COMPRISES CONTACTING A LIQUID MIXTURE CONTAINING A N-BUTANE, METHYLETHYL KETONE, AND ACETIC ACID WITH MOLECULAROXYGEN AT TEMPERATURES OF FROM ABOUT 125*C. TO ABOUT 200*C. AND PRESSURES OF FROM ABOUT 500-1200 P.S.I.G. IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF VANADIUM AND A SECOND METAL SELECTED FROM THE GROUP CONSISTING OF IRON AND COBALT, THE RATIO OF VANADIUM TO THE SECOND METAL BEING FROM ABOUT 0.2 TO ABOUT 5 PARTS OF VANADIUM TO ABOUT 1 PART OF THE SECOND METAL.
Claim 2
Dependent Claim
87 words
A PROCESS FOR PREPARING ACETIC ACID WHICH COMPRISES CONTACTING A LIQUID MIXTURE CONTAINING A N-BUTANE, METHYLETHYL KETONE, AND ACETIC ACID WITH MOLECULAROXYGEN AT TEMPERATURES OF FROM ABOUT 125*C. TO ABOUT 200*C. AND PRESSURES OF FROM ABOUT 500-1200 P.S.I.G. IN THE PRESENCE OF A CATALYST CONSISTING ESSENTIALLY OF VANADIUM AND A SECOND METAL SELECTED FROM THE GROUP CONSISTING OF IRON AND COBALT, THE RATIO OF VANADIUM TO THE SECOND METAL BEING FROM ABOUT 0.2 TO ABOUT 5 PARTS OF VANADIUM TO ABOUT 1 PART OF THE SECOND METAL.
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) | 1972-12-08 | 1973-06-09 | 1973-12-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1976-12-08 | 1977-06-09 | 1977-12-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1980-12-08 | 1981-06-09 | 1981-12-09 | $7700.00 | Window Closed / Lapsed |