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US3510490A
Expired / Lapsed
US
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3,4-dihydro-1-(2-hydroxyalkylamino)-4,4-trialkyl-2-(1h)- pyrimidinethiones
Assignee: Monsanto Co
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Filing: 1967-12-18
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Granted: 1970-05-05
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Expires: 1987-12-18
Abstract
No abstract record available.
Inventors
- 👤 John Joseph D Amico
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 20:10
CPC Classifications
C; C07; C07D; C07D239/00; C07D239/02; C07D239/20; C07D239/22; C08; C08K; C08K5/00; C08K5/36; C08K5/39; C08K5/405; D; D04; D04H; D04H1/00; D04H1/40; D04H1/58; D04H1/64
Claims Analysis
Total Claims: 0
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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) | 1973-05-04 | 1973-11-03 | 1974-05-05 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1977-05-04 | 1977-11-03 | 1978-05-05 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1981-05-04 | 1981-11-03 | 1982-05-05 | $7700.00 | Window Closed / Lapsed |