US3966959A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insecticidal and acaricidal, pyrethroid compounds
Assignee: Wyeth Holdings LLC
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Filing: 1975-02-13
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Granted: 1976-06-29
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Expires: 1995-02-13
Abstract
Abstract This invention relates to novel m-phenoxybenzyl esters of spirocarboxylic acids which are useful as topical insecticidal and acaricidal agents for treatment of homothermic animals, and as insecticidal agents effective for the protection of agricultural crops, harvested cereals, and the like.
Inventors
- 👤 Roger Williams Addor
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-26 15:16
CPC Classifications
C; C07; C07C; C07C255/00; C07C255/01; C07C255/31; C07C69/00; C07C69/74; C07C69/76
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
28 words
A compound having the formula ##SPC17## wherein R 1 is hydrogen, cyano or ethynyl, and represents a single or double bond, and the optical and geometric isomers thereof.
Claim 2
Dependent Claim
28 words
A compound having the formula ##SPC17## wherein R 1 is hydrogen, cyano or ethynyl, and represents a single or double bond, and the optical and geometric isomers thereof.
Claim 3
Dependent Claim
23 words
A compound according to claim 1, wherein the compound has the structure: ##SPC18##wherein R 1 and are as described, and the stereoisomers thereof.
Claim 4
Dependent Claim
10 words
A compound according to claim 2 2,2-dimethyl-4,5-benzospiro[2,4]hepta-4,6-diene-1-carboxylic acid, m-phenoxybenxyl ester
Claim 5
Dependent Claim
10 words
A compound according to claim 2 2,2-dimethyl-4,5-benzospiro[2,4]hepta-4,6-diene-1-carboxylic acid, α-cyano-m-phenoxybenzyl ester.
Claim 6
Dependent Claim
10 words
A compound according to claim 2 2,2-dimethyl-4,5-benzospiro[2,4]hepta-4-ene-1-carboxylic acid, m-phenoxybenzyl ester.
Claim 7
Dependent Claim
10 words
A compound according to claim 2 2,2-dimethyl-4,5-benzospiro[2,4]hepta-4-ene-1-carboxylic acid, α-cyano-m-phenoxybenzyl ester.
Claim 8
Dependent Claim
10 words
A compound according to claim 2 2,2-dimethyl-4,5-benzospiro[2,4]hepta-4-ene-1-carboxylic acid, α-ethynyl-m-phenoxybenzyl ester.
Claim 9
Dependent Claim
10 words
A compound according to claim 2 2,2-dimethyl-4,5-benzospiro[2,4]hepta-4,6-diene-1-carboxylic acid, α-ethynyl-m-phenoxybenzyl ester.
Claim 10
Independent Claim
56 words
A method for the control of insects and acarina comprising contacting said insects and acarina, their habitat or their food supply with an insecticidal or acaricidal amount of a compound having the formula: ##SPC19## wherein R 1 is hydrogen, cyano or ethynyl, and represents a single or double bond, and the optical and geometric isomers thereof.
Claim 11
Independent Claim
56 words
A method for the control of insects and acarina comprising contacting said insects and acarina, their habitat or their food supply with an insecticidal or acaricidal amount of a compound having the formula: ##SPC19## wherein R 1 is hydrogen, cyano or ethynyl, and represents a single or double bond, and the optical and geometric isomers thereof.
Claim 12
Dependent Claim
33 words
A method according to claim 9, wherein the compound has the formula: ##SPC20## wherein R 1 is hydrogen, cyano or ethynyl, is a single or double bond, and the stereoisomers of the compounds.
Claim 13
Dependent Claim
14 words
A method according to claim 10, wherein the compound is 2,2-dimethyl-4,5-benzospiro[2,4]hepta-4,6-diene-1-carboxylic acid, α-cyano-m-phenoxybenzyl ester.
Claim 14
Dependent Claim
14 words
A method according to claim 10, wherein the compound is 2,2-dimethyl-4,5-benzospiro[2,4]-hepta-4,6-diene-1-carboxylic acid, m-phenoxybenzyl ester.
Claim 15
Independent Claim
58 words
A method for protecting plants from attack by insects comprising, applying to the foliage of the plants or to the soil in which they are growing, an insecticidally effective amount of a compound of the formula: ##SPC21## wherein R 1 is hydrogen, cyano or ethynyl, and is a single or double bond, and the stereoisomers of the compounds.
Claim 16
Independent Claim
58 words
A method for protecting plants from attack by insects comprising, applying to the foliage of the plants or to the soil in which they are growing, an insecticidally effective amount of a compound of the formula: ##SPC21## wherein R 1 is hydrogen, cyano or ethynyl, and is a single or double bond, and the stereoisomers of the compounds.
Claim 17
Dependent Claim
33 words
A method according to claim 13, comprising applying the compound to the foliage of the plants in sufficient amount to provide from about 28 g to 228 g per acre of said compound.
Claim 18
Dependent Claim
23 words
A method according to claim 14, wherein the compound is applied at a rate of from 28 g to 113.4 g per acre.
Claim 19
Dependent Claim
30 words
A method according to claim 13 wherein the compound is applied to the soil in which plants are growing at a rate of from 10 to 50 pounds per acre.
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) | 1979-06-29 | 1979-12-29 | 1980-06-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-06-29 | 1983-12-29 | 1984-06-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-06-29 | 1987-12-29 | 1988-06-29 | $7700.00 | Window Closed / Lapsed |