US3547982A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Benzylic oxidation process for preparation of arylalkyl esters
Assignee: Union Carbide Corp
•
Filing: 1967-03-13
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Granted: 1970-12-15
•
Expires: 1987-03-13
Abstract
No abstract record available.
Inventors
- 👤 James E Mckeon
- 👤 David R Bryant
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 15:50
CPC Classifications
C; C07; C07C; C07C69/00; C07C69/612; C07C67/00; C07C67/035
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
BE615596A
Cited
US3162683A
Cited
GB966809A
Cited
US3275680A
Cited
US3221045A
Cited
US3274238A
Cited
FR1423314A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1973-12-14 | 1974-06-15 | 1974-12-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-12-14 | 1978-06-15 | 1978-12-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-12-14 | 1982-06-15 | 1982-12-15 | $7700.00 | Window Closed / Lapsed |