Patent US4000181A successfully refreshed from Google Patents.
US4000181A
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α-Cyano-phenoxybenzyl cyclopropane carboxylate insecticides
Assignee: National Research Development Corp UK
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Filing: 1975-07-29
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Granted: 1976-12-28
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Expires: 1995-07-29
Abstract
Abstract New insecticides are compounds of the formula ##STR1## WHEREIN TWO OF R 1 , R 2 and R 3 each represent methyl and the third represents hydrogen, Z represents H, CH 3 --, --CN or --C.tbd.CH, Y represents O or S, Z 1 and Z 2 , which may be the same or different, each represent halogen or methyl, and n is 0, 1 or 2.
Inventors
- 👤 Michael Elliott
- 👤 Norman Frank Janes
- 👤 David Allen Pulman
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:06
CPC Classifications
C; C07; C07C; C07C51/00; C07C51/15
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
25 words
A compound of the formula ##STR10## wherein two of R 1 , R 2 and R 3 each represent methyl and the third represents hydrogen.
Claim 2
Dependent Claim
25 words
A compound of the formula ##STR10## wherein two of R 1 , R 2 and R 3 each represent methyl and the third represents hydrogen.
Claim 3
Dependent Claim
20 words
A compound according to claim 1, wherein R 1 and R 2 each represent methyl and R 3 represents hydrogen.
Claim 4
Dependent Claim
20 words
A compound according to claim 1, wherein R 1 and R 3 each represent methyl and R 2 represents hydrogen.
Claim 5
Dependent Claim
15 words
The compound according to claim 1, which is α-cyano-3-phenoxybenzyl 2,2-dimethyl-3-(4-methylpenta-1,3-dienyl)-cyclopropane carboxylate or; (+)-α-cyano-3-phenoxybenzyl (+)-cis-2,2-dimethyl-3-(4-methylpenta-1,3-dienyl)-cyclopropane carboxylate.
Claim 6
Dependent Claim
17 words
An insecticidal composition comprising a compound according to claim 1, together with an inert carrier or diluent.
Claim 7
Dependent Claim
29 words
A method for controlling the level of insect infestation which comprises applying to an insect or to an environment susceptible to insect attack, a compound according to claim 1.
References Cited (Backward Citations)
US3666789A
Cited
US3835176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-12-28 | 1980-06-28 | 1980-12-28 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-12-28 | 1984-06-28 | 1984-12-28 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-12-28 | 1988-06-28 | 1988-12-28 | $7700.00 | Window Closed / Lapsed |