US3240805A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Process for producing acetic acid
Assignee: Halcon Research and Development Corp
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Filing: 1961-10-13
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Granted: 1966-03-15
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Expires: 1981-10-13
Abstract
No abstract record available.
Inventors
- 👤 Anthony N Naglieri
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 06:13
CPC Classifications
C; C07; C07C; C07C53/00; C07C53/08
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
83 words
THE METHOD OF PREPARING ACETIC ACID SUBSTANTIALLY ACETALDEHYDE FREE WHICH COMPRISES CONTACTING A GASEOUS MIXTURE CONTAINING (1) 0.1 TO 5% BY VOLUME OF ETHYLENE, (2) MOLECULAR OXYGEN, AND (3) UP TO 60% BY VOLUME WATER VAPOR AT A TEMPERATURE OF ABOUT 150 TO 300*C. AND AT A PRESSURE OF 1 TO 1,000 ATMOSPHERES, WITH A SUPPORTED CATALYST WHICH CONSISTS ESSENTIALLY OF 0.1 TO 5% BY WEIGHT PDCL2 AND ABOUT 5 TO 20% BY WEIGHT V2O5 BASED UPON TOTAL WEIGHT OF CATALYST AND SUPPORT.
Claim 2
Independent Claim
83 words
THE METHOD OF PREPARING ACETIC ACID SUBSTANTIALLY ACETALDEHYDE FREE WHICH COMPRISES CONTACTING A GASEOUS MIXTURE CONTAINING (1) 0.1 TO 5% BY VOLUME OF ETHYLENE, (2) MOLECULAR OXYGEN, AND (3) UP TO 60% BY VOLUME WATER VAPOR AT A TEMPERATURE OF ABOUT 150 TO 300*C. AND AT A PRESSURE OF 1 TO 1,000 ATMOSPHERES, WITH A SUPPORTED CATALYST WHICH CONSISTS ESSENTIALLY OF 0.1 TO 5% BY WEIGHT PDCL2 AND ABOUT 5 TO 20% BY WEIGHT V2O5 BASED UPON TOTAL WEIGHT OF CATALYST AND SUPPORT.
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) | 1969-03-14 | 1969-09-13 | 1970-03-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1973-03-14 | 1973-09-13 | 1974-03-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1977-03-14 | 1977-09-13 | 1978-03-15 | $7700.00 | Window Closed / Lapsed |