Patent US4243677A successfully refreshed from Google Patents.
US4243677A
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Insecticidal perhaloalkylvinylcyclopropanecarboxylates
Assignee: FMC Corp
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Filing: 1979-07-30
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Granted: 1981-01-06
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Expires: 1999-07-30
Abstract
Abstract Perhaloalkylvinylcyclopropanecarboxylates having the general formula ##STR1## are disclosed wherein one of Y and Z is a perhaloalkyl group. Compounds in which R is hydroxy, halogen or lower alkoxy are novel intermediates for preparation of insecticidal esters in which R is --OR 1 where R 1 is a wide variety of alcohol residues. The insecticidal efficacy and preparation of the compounds and intermediates therefor are described and exemplified.
Inventors
- 👤 John F. Engel
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 22:56
CPC Classifications
A; A01; A01N; A01N53/00; C; C07; C07F; C07F9/00; C07F9/02; C07F9/28; C07F9/54; C07F9/5442
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
33 words
A compound of the formula ##STR36## wherein one of Y and Z is trihalomethyl and the other is halogen and R is --OR 1 where R 1 is represented by the formula ##STR37##
Claim 2
Dependent Claim
33 words
A compound of the formula ##STR36## wherein one of Y and Z is trihalomethyl and the other is halogen and R is --OR 1 where R 1 is represented by the formula ##STR37##
Claim 3
Dependent Claim
10 words
The compound of claim 1 wherein R 1 is ##STR38##
Claim 4
Dependent Claim
27 words
A method for insect control which comprises applying to the locus where control is desired an insecticidally effective amount of the compound of claim 1 or 2.
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) | 1984-01-06 | 1984-07-07 | 1985-01-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-01-06 | 1988-07-07 | 1989-01-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-01-06 | 1992-07-07 | 1993-01-06 | $7700.00 | Window Closed / Lapsed |