US2799698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of alkyl-substituted aromatic compounds to phenolic compounds
Assignee: Hercules Powder Co
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Filing: 1954-12-30
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Granted: 1957-07-16
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Expires: 1974-12-30
Abstract
No abstract record available.
Inventors
- 👤 Milton A Taves
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 17:51
CPC Classifications
B; B22; B22C; B22C1/00; B22C1/16; B22C1/20; B22C1/205; C; C07; C07C; C07C67/00
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
74 words
THE METHOD OF OXIDIZING AN ORGANIC COMPOUND CONTAINING AN AROMATIC RING HAVING AT LEAST ONE SECONDARY HYDDROCARBON RADICAL OF NOT MORE THAN 7 CARBON ATOMS ATTACHED THERETO WHEREBY AT LEAST ONE SECONDARY HYDROCARBON RADICAL IS CONVERTED TO AN ACYLOXY RADICAL ATTACHED TO SAID RING, WHICH COMPRISES CONTACTING SAID ORGANIC COMPOUND WITH ELEMENTARY OXYGEN AT A TEMPERATURE IN THE RANGE OF ABOUT 30*C. TO ABOUT 150*C. IN THE PRESENCE OF A LOWER ALKANOIC ACID ANHYDRIDE.
Claim 2
Independent Claim
74 words
THE METHOD OF OXIDIZING AN ORGANIC COMPOUND CONTAINING AN AROMATIC RING HAVING AT LEAST ONE SECONDARY HYDDROCARBON RADICAL OF NOT MORE THAN 7 CARBON ATOMS ATTACHED THERETO WHEREBY AT LEAST ONE SECONDARY HYDROCARBON RADICAL IS CONVERTED TO AN ACYLOXY RADICAL ATTACHED TO SAID RING, WHICH COMPRISES CONTACTING SAID ORGANIC COMPOUND WITH ELEMENTARY OXYGEN AT A TEMPERATURE IN THE RANGE OF ABOUT 30*C. TO ABOUT 150*C. IN THE PRESENCE OF A LOWER ALKANOIC ACID ANHYDRIDE.
References Cited (Backward Citations)
US2663743A
Cited
US2697121A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1960-07-15 | 1961-01-14 | 1961-07-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1964-07-15 | 1965-01-14 | 1965-07-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1968-07-15 | 1969-01-14 | 1969-07-16 | $7700.00 | Window Closed / Lapsed |