US4049423A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-dimethylpropynyl-α-methoxy-α-(3,5-dimethylphenoxy)acetamide herbicide
Assignee: Zeneca Inc
•
Filing: 1975-06-30
•
Granted: 1977-09-20
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Expires: 1995-06-30
Abstract
Abstract N-dimethylpropynyl- alpha -methoxy- alpha -(3,5-dimethylphenoxy)acetamide having the formula <IMAGE> and its use as herbicides.
Inventors
- 👤 Don R. Baker
- 👤 Francis H. Walker
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 14:07
CPC Classifications
A; A01; A01N; A01N39/00; A01N39/02; A01N39/04
Claims Analysis
Total Claims: 2
Claim 1
Independent Claim
25 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 N-dimethylpropynyl-α-methoxy-α-(3,5-dimethylphenoxy)acetamide.
Claim 2
Independent Claim
25 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 N-dimethylpropynyl-α-methoxy-α-(3,5-dimethylphenoxy)acetamide.
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 |