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Patent US3758504A successfully refreshed from Google Patents.
US3758504A
Expired / Lapsed
US
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Vinylcyclopropanecarboxylates
Assignee: Sumitomo Chemical Co Ltd
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Filing: 1971-03-16
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Granted: 1973-09-11
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Expires: 1991-03-16
Abstract
Abstract VINYLCYCLOPROPANECARBOXYLATES HAVING AN EXCELLENT INSECTICIDAL ACTIVITY AND A PROPERTY HARMLESS TO MAMMALS AND CATTLES, OF THE FORMULA, R-OOC-CH<(-C(-CH3)2-CH(-CH=CH2)-) WHEREIN R IS 2-PROPARGYL-3-METHYL-2-CYCLOPENTENE-1-ONE4-YL, X<(-CH=CH-CH=CH-)(-R1)(-R2)-CH2-, OR (R2,R1-PHENYL)-CH2- WHEREIN R1 IS ALLYL, PROPARGYL, BENZYL, THENYL, FURYLMETHYL OR PHENOXY, R2 IS HYDROGEN, OR R1 AND R2 ARE BONDED AT RESPECTIVE ENDS TO FORM A POLYMETHYLENE GROUP HAVING 3 TO 4 CARBON ATOMS, AND X IS OXYGEN OR SULFUR.
Inventors
- 👤 M Matsui
- 👤 Y Okuno
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 13:19
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/42; C07D307/56; C07D307/58
Claims Analysis
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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) | 1976-09-10 | 1977-03-12 | 1977-09-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-09-10 | 1981-03-12 | 1981-09-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-09-10 | 1985-03-12 | 1985-09-11 | $7700.00 | Window Closed / Lapsed |