US2907792A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of organic substances
Assignee: Imperial Chemical Industries Ltd
•
Filing: 1956-08-24
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Granted: 1959-10-06
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Expires: 1976-08-24
Abstract
No abstract record available.
Inventors
- 👤 Mcintyre James Eric
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 21:48
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/79; C07D213/803; C07C; C07C309/00; C07C51/00; C07C51/16; C07C51/21; C07C51/255; C07C51/265
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
82 words
A PROCESS FOR THE OXIDATION OF AROMATIC COMPOUNDS SUBSTITUTED WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL AN PARTIALLY OXIDIZED ALKYL GROUPS HAVING FROM 1 TO 3 CARBON ATOMS, WHICH COMPRISES OXIDIZING WITH A GAS SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND OXYGEN-CONTAINING GASES, INTO A LIQUID AQUEOUS PHASE CONTAINING SAID AROMATIC COMPOUND AND WHEREIN THE OXIDATION OF SAID ALKYL AND PARTIALLY OXIDIZED ALKYL GROUPS TO A CARBOXYLIC ACID GROUP TAKES PLACE IN THE PRESENCE OF BROMINE.
Claim 2
Dependent Claim
82 words
A PROCESS FOR THE OXIDATION OF AROMATIC COMPOUNDS SUBSTITUTED WITH AT LEAST ONE MEMBER SELECTED FROM THE GROUP CONSISTING OF ALKYL AN PARTIALLY OXIDIZED ALKYL GROUPS HAVING FROM 1 TO 3 CARBON ATOMS, WHICH COMPRISES OXIDIZING WITH A GAS SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND OXYGEN-CONTAINING GASES, INTO A LIQUID AQUEOUS PHASE CONTAINING SAID AROMATIC COMPOUND AND WHEREIN THE OXIDATION OF SAID ALKYL AND PARTIALLY OXIDIZED ALKYL GROUPS TO A CARBOXYLIC ACID GROUP TAKES PLACE IN THE PRESENCE OF BROMINE.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1962-10-05 | 1963-04-06 | 1963-10-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1966-10-05 | 1967-04-06 | 1967-10-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1970-10-05 | 1971-04-06 | 1971-10-06 | $7700.00 | Window Closed / Lapsed |