Patent US4051184A successfully refreshed from Google Patents.
US4051184A
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N-(1,1 substituted propynyl)-α(3,5-substituted phenoxy) alkyl amides and their use as herbicides
Assignee: Zeneca Inc
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Filing: 1975-09-29
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Granted: 1977-09-27
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Expires: 1995-09-29
Abstract
Abstract N-(1,1 substituted propynyl)-α(3,5-substituted phenoxy) alkyl amides compounds having the formula ##STR1## in which R 1 and R 2 are independently halogen or alkyl having 1 to 4 carbon atoms; R 3 is alkyl having 1 to 4 carbon atoms; R 4 and R 5 are independently hydrogen or alkyl having 1 to 3 carbon atoms; and their use as herbicides.
Inventors
- 👤 Duane R. Arneklev
- 👤 Don R. Baker
- 👤 Francis H. Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 16:35
CPC Classifications
C; C07; C07C; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; A; A01; A01N; A01N39/00; A01N39/02
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
10 words
The compound N-(1,1-dimethyl propargyl-α-(3,5-dichlorphenoxy) butyramide having the structural formula ##STR8##
Claim 2
Dependent Claim
10 words
The compound N-(1,1-dimethyl propargyl-α-(3,5-dichlorphenoxy) butyramide having the structural formula ##STR8##
Claim 3
Dependent Claim
10 words
The compound N-(1,1-dimethyl propargyl-α-(3,5-dimethylphenoxy) butyramide having the structural formula ##STR9##
Claim 4
Dependent Claim
10 words
The compound N-(1,1-dimethyl propargyl-α-(3,5-dimethylphenoxy) butyramide having the structural formula ##STR9##
References Cited (Backward Citations)
US2341868A
Cited
US2412510A
Cited
US3168561A
Cited
US3328156A
Cited
US3272844A
Cited
US3534098A
Cited
US3700732A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-09-26 | 1981-03-28 | 1981-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-26 | 1985-03-28 | 1985-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-26 | 1989-03-28 | 1989-09-27 | $7700.00 | Window Closed / Lapsed |