US3076812A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Certain benzoxazole-2-acrylic acids
Assignee: BASF Schweiz AG
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Filing: 1957-07-15
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Granted: 1963-02-05
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Expires: 1977-07-15
Abstract
No abstract record available.
Inventors
- 👤 Ackermann Franz
- 👤 Duennenberger Max
- 👤 Siegrist Adolf Emil
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 19:55
CPC Classifications
C; C07; C07D; C07D263/00; C07D263/52; C07D263/54; C07D263/56; C07D235/00; C07D235/02; C07D235/04; C07D235/20; C07D263/62; C07D279/00; C07D279/10; C07D279/14; C07D279/16; C07D403/00; C07D403/14; C07D413/00; C07D413/02; C07D413/06; C07D417/00; C07D417/02; C07D417/06
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
6 words
A CARBOXYLIC ACID OF THE FORMULA
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1966-02-04 | 1966-08-06 | 1967-02-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1970-02-04 | 1970-08-06 | 1971-02-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1974-02-04 | 1974-08-06 | 1975-02-05 | $7700.00 | Window Closed / Lapsed |