US3644512A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for converting butane to acetic acid
Assignee: Gulf Research and Development Co
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Filing: 1969-10-10
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Granted: 1972-02-22
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Expires: 1989-10-10
Abstract
Abstract A PROCESS FOR CONVERTING BUTANE TO ACETIC ACID WHICH COMPRISES SUBJECTING BUTANE TO REACTION WITH MOLECULAR OXYGEN IN ACETIC ACID IN THE PRESENCE OF A COBALT COMPOUND SOLUBLE IN THE REACTION MIXTURE AND A XYLENE, SUCH AS PARA XYLENE.
Inventors
- 👤 Anatoli Onopchenko
- 👤 Johann G D Schulz
- 👤 Richard Seekircher
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 22:03
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/16; C07C51/21; C07C51/215
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-02-21 | 1975-08-23 | 1976-02-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-02-21 | 1979-08-23 | 1980-02-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-02-21 | 1983-08-23 | 1984-02-22 | $7700.00 | Window Closed / Lapsed |