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US2990320A
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Synergistic insecticidal pyrethrin compositions containing nu-alkoxy alkyl-3, 4 methylene dioxyphenyl carbamates
Assignee: Gulf Research and Development Co
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Filing: 1959-12-29
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Granted: 1961-06-27
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Expires: 1979-12-29
Abstract
No abstract record available.
Inventors
- 👤 Robert J Hartle
- 👤 Helen I Thayer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 13:49
CPC Classifications
C; C07; C07D; C07D317/00; C07D317/08; C07D317/44; C07D317/46; C07D317/48; C07D317/62; C07D317/64
Claims Analysis
Total Claims: 1
Claim 1
Independent Claim
21 words
AN INSECTICIDAL COMPOSITION CONSISTING ESSENTIALLY OF A PYRETHRIN INSECTICIDE TOXICANT, A SOLVENT THEREFOR AND A 3,4-METHYLENEDIOXYPHENYL N-ALKOXYALKYL CARBAMATE HAVING THE STRUCTURE:
References Cited (Backward Citations)
US2856411A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1964-06-26 | 1964-12-26 | 1965-06-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1968-06-26 | 1968-12-26 | 1969-06-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1972-06-26 | 1972-12-26 | 1973-06-27 | $7700.00 | Window Closed / Lapsed |