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US3576814A
Expired / Lapsed
US
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N-aryl pyrid-2-ones
Assignee: Rohm and Haas Co
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Filing: 1970-01-30
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Granted: 1971-04-27
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Expires: 1990-01-30
Abstract
Abstract NOVEL COMPOUNDS BELONGING TO THE CLASS OF N-ARYLPYRID2-ONE-4,6-DIALKYL (AND 4,5,6-TRISUBSTITUTED)-3-CARBOXYLIC ACIDS AND THEIR AMIDES, ESTERS AND PHYSIOLOGICALLY ACCEPTABLE SALTS. THESE COMPOUNDS POSSES BIOLOGICAL ACTIVITY AND IN PARTICULAR ARE PLANT GROWTH REGULATORS.
Inventors
- 👤 Michael C Seidel
- 👤 Kenneth L Viste
- 👤 Roy Y Yih
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 22:21
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/78; C07D213/81; C07D213/82; C07D213/79; C07D213/80; C07D213/84; C07D213/85
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 |