US3950535A
Expired / Lapsed
US
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Cyanobenzyl cyclopropane carboxylates
Assignee: Shell USA Inc
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Filing: 1974-09-30
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Granted: 1976-04-13
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Expires: 1994-09-30
Abstract
Abstract Cyclopropane derivatives of the formula WHEREIN R1 and R2 are alkyl; R3 is hydrogen, alkynyl or cyano; R4 is optionally substituted phenyl and in is an integer of 2 to 5, are useful as pesticides.
Inventors
- 👤 Royston H. Davis
- 👤 Robert J. G. Searle
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 08:51
CPC Classifications
C; C07; C07D; C07D307/00; C07D307/02; C07D307/34; C07D307/38; C07D307/40; C07D307/42
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
46 words
Cyclopropane carboxylate derivatives of the formula: ##SPC4## wherein R 1 and R 2 each represents an alkyl group; R 3 represents a cyano group; R 4 represents a phenyl group optionally substituted by halogen, phenoxy or benzyl; and n is an integer from 2 to 5.
Claim 2
Dependent Claim
46 words
Cyclopropane carboxylate derivatives of the formula: ##SPC4## wherein R 1 and R 2 each represents an alkyl group; R 3 represents a cyano group; R 4 represents a phenyl group optionally substituted by halogen, phenoxy or benzyl; and n is an integer from 2 to 5.
Claim 3
Dependent Claim
51 words
A cyclopropane carboxylate derivative as claimed in claim 1, wherein R 1 and R 2 each represents an alkyl group of 1-6 carbon atoms, R 3 represents a cyano group and R 4 represents a phenyl group optionally substituted by one or more halogen atoms or by phenoxy or benzyl group.
Claim 4
Dependent Claim
38 words
A cyclopropane carboxylate derivative as claimed in claim 2, wherein R 1 and R 2 each represents a methyl group, R 3 represents a cyano group and R 4 represents a phenoxy-substituted phenyl group or a pentachlorophenyl group.
Claim 5
Dependent Claim
3 words
3-Phenoxy-alpha-cyanobenzyl 2,2-dimethyl-3-spirocyclobutane-cyclopropane carboxylate.
Claim 6
Dependent Claim
3 words
3-Phenoxy-alpha-cyanobenzyl 2,2-dimethyl-3-spirocyclobutane-cyclopropane carboxylate.
Claim 7
Dependent Claim
3 words
3-Phenoxy-alpha-cyanobenzyl 2,2-dimethyl-3-spirocyclopropane-cyclopropane carboxylate.
Claim 8
Dependent Claim
3 words
3-Phenoxy-alpha-cyanobenzyl 2,2-dimethyl-3-spirocyclopropane-cyclopropane carboxylate.
Claim 9
Dependent Claim
28 words
Pesticidal compositions comprising a carrier and/or a surface-active agent, together with, as active ingredient, a pesticidally effective amount of a cyclopropane carboxylate derivative as claimed in claim 1.
Claim 10
Dependent Claim
35 words
A method of combating insect and/or acarid pests at a locus which comprises applying to the locus a pesticidally active amount of a cyclopropane carboxylate derivative as claimed in claim 1 or a composition thereof.
References Cited (Backward Citations)
US3835176A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-04-13 | 1979-10-13 | 1980-04-13 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-04-13 | 1983-10-13 | 1984-04-13 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-04-13 | 1987-10-13 | 1988-04-13 | $7700.00 | Window Closed / Lapsed |