Patent US3663200A successfully refreshed from Google Patents.
US3663200A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Grass selective herbicide composition
Assignee: Monsanto Co
•
Filing: 1969-09-26
•
Granted: 1972-05-16
•
Expires: 1989-09-26
Abstract
Abstract Control of grasses, especially barnyard grass in the presence of rice utilizing a selective herbicidal effective amount of Nbutoxymethyl-2'',6''-diethyl-2-chloroacetanilide and/or Nbutoxyethyl-2'',6''-diethyl-2-chloroacetanilide.
Inventors
- 👤 John F Olin
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-01 20:06
CPC Classifications
A; A01; A01N; A01N37/00; A01N37/18; A01N37/22; C; C07; C07C; C07C233/00; C07C233/01; C07C233/12
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
15 words
A method in accordance with claim 1 in which the grass inhibited is barnyard grass.
Claim 2
Dependent Claim
16 words
A method in accordance with claim 2 in which the selective herbicidal effective compound is 2'',6''-diethyl-N-butoxymethyl-alpha-chloroacetanilide.
Claim 3
Dependent Claim
16 words
A method in accordance with claim 2 in which the selective herbicidal effective compound is 2'',6''-diethyl-N-(2-butoxyethyl)-alpha-chloroacetanilide.
Claim 4
Dependent Claim
21 words
A method in accordance with claim 2 in which the selective herbicidal effective compound is a mixture of 2'',6''-diethyl-N-butoxymethyl-alpha-chloroacetanilide and 2'',6''-diethyl-N-(2-butoxyethyl)-alpha-chloroacetanilide.
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) | 1975-05-16 | 1975-11-15 | 1976-05-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-05-16 | 1979-11-15 | 1980-05-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-05-16 | 1983-11-15 | 1984-05-16 | $7700.00 | Window Closed / Lapsed |