Patent US3033903A successfully refreshed from Google Patents.
US3033903A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Oxidation of aromatic hydrocarbons
Assignee: Union Carbide Corp
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Filing: 1958-08-07
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Granted: 1962-05-08
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Expires: 1978-08-07
Abstract
No abstract record available.
Inventors
- 👤 William E Loeb
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 18:44
CPC Classifications
C; C07; C07C; C07C37/00; C07C37/58
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
60 words
A PROCESS FOR OXIDIZING HYDROCARBON COMPOUNDS HAVING AT LEAST ONE UNSUBSTITUTED POSITION ON THE AROMATIC NUCLEUS TO THE CORRESPONDING PHENOLIC COMPOUND WHICH COMPRISES REACTING THE AROMATIC COMPOUND WITH OXYGEN AT A TEMPERATURE BETWEEN 25* C. AND 100* C. IN THE PRESENCE OF A CATALYSTIC AMOUNT OF THE TITANIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIVALENT TITANIUM SALTS AND OXIDES.
Claim 2
Dependent Claim
60 words
A PROCESS FOR OXIDIZING HYDROCARBON COMPOUNDS HAVING AT LEAST ONE UNSUBSTITUTED POSITION ON THE AROMATIC NUCLEUS TO THE CORRESPONDING PHENOLIC COMPOUND WHICH COMPRISES REACTING THE AROMATIC COMPOUND WITH OXYGEN AT A TEMPERATURE BETWEEN 25* C. AND 100* C. IN THE PRESENCE OF A CATALYSTIC AMOUNT OF THE TITANIUM COMPOUND SELECTED FROM THE GROUP CONSISTING OF TRIVALENT TITANIUM SALTS AND OXIDES.
References Cited (Backward Citations)
US2223383A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1965-05-07 | 1965-11-06 | 1966-05-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1969-05-07 | 1969-11-06 | 1970-05-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1973-05-07 | 1973-11-06 | 1974-05-08 | $7700.00 | Window Closed / Lapsed |