US2570216A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Treatment of oxidation products
Assignee: Celanese Corp
•
Filing: 1949-02-03
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Granted: 1951-10-09
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Expires: 1969-02-03
Abstract
No abstract record available.
Inventors
- 👤 Henry K Dice
- 👤 Robert L Mitchell
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 03:58
CPC Classifications
C; C07; C07C; C07C27/00; C07C27/10
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
81 words
IN A PROCESS FOR THE PRODUCTION OF MIXED OXYGENATED ORGANIC COMPOUNDS BY THE VAPOR PHASE PARTIAL OXIDATION OF ALIPHATIC HYDROCARBONS WHEREIN A MIXTURE OF HOT REACTION GASES IS FORMED, THE STEPS WHICH COMPRISES SUBJECTING THE HOT REACTION GASES TO INTIMATE CONTACT WITH A COOL LIQUID MEDIUM COMPRISING ESSENTIALLY AN AQUEOUS SOLUTION OF FORMALDEHYDE AND MAINTAINING THE ACIDITY OF THE HOT AQUEOUS SOLUTION FORMED AT A PH OF NO LESS THAN ABOUT 4.0 BY THE ADDITION OF AN INORGANIC ALKALINE NEUTRALIZING AGENT.
Claim 2
Dependent Claim
81 words
IN A PROCESS FOR THE PRODUCTION OF MIXED OXYGENATED ORGANIC COMPOUNDS BY THE VAPOR PHASE PARTIAL OXIDATION OF ALIPHATIC HYDROCARBONS WHEREIN A MIXTURE OF HOT REACTION GASES IS FORMED, THE STEPS WHICH COMPRISES SUBJECTING THE HOT REACTION GASES TO INTIMATE CONTACT WITH A COOL LIQUID MEDIUM COMPRISING ESSENTIALLY AN AQUEOUS SOLUTION OF FORMALDEHYDE AND MAINTAINING THE ACIDITY OF THE HOT AQUEOUS SOLUTION FORMED AT A PH OF NO LESS THAN ABOUT 4.0 BY THE ADDITION OF AN INORGANIC ALKALINE NEUTRALIZING AGENT.
References Cited (Backward Citations)
US2412014A
Cited
US2462413A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1954-10-08 | 1955-04-09 | 1955-10-09 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1958-10-08 | 1959-04-09 | 1959-10-09 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1962-10-08 | 1963-04-09 | 1963-10-09 | $7700.00 | Window Closed / Lapsed |