US4049424A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-t-butyl-2-(3,5-dichloro or dimethyl phenoxy)-2-alkoxy amide herbicides
Assignee: Zeneca Inc
•
Filing: 1975-06-30
•
Granted: 1977-09-20
•
Expires: 1995-06-30
Abstract
Abstract N-t-butyl-2-(3,5-dichloro or dimethyl phenoxy)-2-alkoxy amide compounds having the formula ##STR1## in which R is halogen or alkyl and R 1 is alkyl; and their use as herbicides.
Inventors
- 👤 Don R. Baker
- 👤 Francis H. Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:09
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02; A01N39/04; C; C07; C07C; C07C59/00; C07C59/40; C07C59/58; C07C59/64; C07C59/66; C07C59/68; C07C59/70
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
54 words
The method of controlling undesirable vegetation which comprises applying to the area where control of said vegetative growth is desired an herbicidal amount of a compound having the formula ##STR9## in which R is halogen or alkyl having 1 to 4 carbon atoms and R 1 is alkyl having 1 to 4 carbon atoms.
Claim 2
Independent Claim
54 words
The method of controlling undesirable vegetation which comprises applying to the area where control of said vegetative growth is desired an herbicidal amount of a compound having the formula ##STR9## in which R is halogen or alkyl having 1 to 4 carbon atoms and R 1 is alkyl having 1 to 4 carbon atoms.
Claim 3
Dependent Claim
15 words
The method of claim 1 in which R is chlorine and R 1 is ethyl.
Claim 4
Dependent Claim
15 words
The method of claim 1 in which R is methyl and R 1 is ethyl.
Claim 5
Dependent Claim
15 words
The method of claim 1 in which R is methyl and R 1 is methyl.
Claim 6
Dependent Claim
15 words
The method of claim 1 in which R is chlorine and R 1 is methyl.
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) | 1980-09-19 | 1981-03-21 | 1981-09-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-19 | 1985-03-21 | 1985-09-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-19 | 1989-03-21 | 1989-09-20 | $7700.00 | Window Closed / Lapsed |