Patent US3987079A successfully refreshed from Google Patents.
US3987079A
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Vinyl ethers
Assignee: Imperial Chemical Industries Ltd
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Filing: 1975-12-05
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Granted: 1976-10-19
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Expires: 1995-12-05
Abstract
Abstract Compounds of the formula ##SPC1## Wherein X is halogen or hydroxy; R 3 and R 4 represent halogen radicals; and R 5 represents a hydrogen atom or the cyano radical. These compounds are used in the preparation of pesticidal cyclopropane carboxylates.
Inventors
- 👤 Ian Trevor Kay
- 👤 Nazim Punja
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 17:32
CPC Classifications
C; C07; C07C; C07C45/00; C07C45/56; C07C45/562; C07C45/565; C25; C25B; C25B3/00; C25B3/01; C25B3/07; C25B3/11; C25B3/20; C25B3/25
Claims Analysis
Total Claims: 10
Claim 1
Independent Claim
28 words
A compound of formula: ##SPC9## wherein X is halogen or hydroxy; R 3 and R 4 are both the same halogen; and R 5 is hydrogen or cyano.
Claim 2
Dependent Claim
28 words
A compound of formula: ##SPC9## wherein X is halogen or hydroxy; R 3 and R 4 are both the same halogen; and R 5 is hydrogen or cyano.
Claim 3
Dependent Claim
29 words
A compound according to claim 1 wherein X is hydroxy, R 3 and R 4 are either both chlorine or both bromine and R 5 is hydrogen or cyano.
Claim 4
Dependent Claim
31 words
A compound according to claim 1 wherein X is chlorine or bromine, R 3 and R 4 are either both chlorine or both bromine, and R 5 is hydrogen or cyano.
Claim 5
Dependent Claim
2 words
3(2,2-Dichlorovinyloxy)benzyl bromide.
Claim 6
Dependent Claim
2 words
3(2,2-Dichlorovinyloxy)benzyl bromide.
Claim 7
Dependent Claim
2 words
3(2,2-Dichlorovinyloxy)benzyl alcohol.
Claim 8
Dependent Claim
2 words
3(2,2-Dichlorovinyloxy)benzyl alcohol.
Claim 9
Dependent Claim
2 words
α-Cyano-3(2,2-dichlorovinyloxy)benzyl alcohol.
Claim 10
Dependent Claim
2 words
α-Cyano-3(2,2-dichlorovinyloxy)benzyl alcohol.
References Cited (Backward Citations)
US3795696A
Cited
US3792079A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1979-10-19 | 1980-04-19 | 1980-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1983-10-19 | 1984-04-19 | 1984-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1987-10-19 | 1988-04-19 | 1988-10-19 | $7700.00 | Window Closed / Lapsed |