US3576869A
Expired / Lapsed
US
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Salicylic acid omicron-hydroxyphenylamides
Assignee: BASF Schweiz AG
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Filing: 1968-07-16
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Granted: 1971-04-27
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Expires: 1988-07-16
Abstract
Abstract THIS INVENTION PROVIDES NEW SALICYCLIC O-HYDROXYPHENYLAMIDES OF THE GENERAL FORMULA R-CO-NH-R'' WHEREIN R AND R'' EACH REPRESENTS A PHENYL GROUP WITH AN ORTHO HYDROXY GROUP. R MAY BE FURTHER SUBSTITUTED IN 3 TO 5 POSITION BY CHLORINE OR BROMINE AND R'' IS FURTHER SUBSTITUTED IN 4'' OR 5'' POSITION BY TRIFLUOROMETHYL ALKYL, CYCLOALKYL, ARYL AND ARALKYL RESIDUES.
Inventors
- 👤 Max Schellenbaum
- 👤 Max Duennenberger
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:12
CPC Classifications
D; D06; D06M; D06M16/00; A; A01; A01N; A01N37/00; A01N37/36; A01N37/38; A01N37/40
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-04-26 | 1974-10-26 | 1975-04-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-04-26 | 1978-10-26 | 1979-04-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-04-26 | 1982-10-26 | 1983-04-27 | $7700.00 | Window Closed / Lapsed |