Patent US4332944A successfully refreshed from Google Patents.
US4332944A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Compositions and use
Assignee: Zoecon Corp
•
Filing: 1981-07-09
•
Granted: 1982-06-01
•
Expires: 2001-07-09
Abstract
Abstract N-substituted phenyl tetrahydrophthalimides, intermediates therefor and synthesis thereof, which compounds are useful herbicides.
Inventors
- 👤 Richard J. Anderson
- 👤 Michael M. Leippe
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-09 06:43
CPC Classifications
C; C07; C07D; C07D401/00; C07D401/02; C07D401/12; A; A01; A01N; A01N43/00; A01N43/34; A01N43/40
Claims Analysis
Total Claims: 22
Claim 1
Independent Claim
61 words
A compound selected from those of the following formula (A): ##STR5## wherein, n is one, two or three; R is hydrogen, bromo, chloro, fluoro or iodo; W is oxygen or sulfur; and each of X and Y is, independently, selected from hydrogen, bromo, chloro, fluoro, iodo, lower alkyl, lower alkoxy, lower thioalkyl, lower haloalkyl, lower haloalkoxy, nitro, lower alkoxycarbonyl and cyano.
Claim 2
Dependent Claim
61 words
A compound selected from those of the following formula (A): ##STR5## wherein, n is one, two or three; R is hydrogen, bromo, chloro, fluoro or iodo; W is oxygen or sulfur; and each of X and Y is, independently, selected from hydrogen, bromo, chloro, fluoro, iodo, lower alkyl, lower alkoxy, lower thioalkyl, lower haloalkyl, lower haloalkoxy, nitro, lower alkoxycarbonyl and cyano.
Claim 3
Dependent Claim
10 words
A compound according to claim 1 of the formula: ##STR6##
Claim 4
Dependent Claim
10 words
A compound according to claim 1 of the formula: ##STR7##
Claim 5
Dependent Claim
10 words
A compound according to claim 1 of the formula: ##STR8##
Claim 6
Dependent Claim
10 words
A compound according to claim 1 of the formula: ##STR9##
Claim 7
Dependent Claim
28 words
A compound according to claim 1 wherein R is hydrogen or chloro, n is one and each of X and Y is independently selected from hydrogen and chloro.
Claim 8
Dependent Claim
20 words
A compound according to claim 6 wherein R is hydrogen, W is oxygen, X is hydrogen and Y is chloro.
Claim 9
Dependent Claim
31 words
A compound according to claim 2 wherein R is hydrogen or chloro, W is oxygen, n is one, X is hydrogen, chloro or methyl and Y is hydrogen, bromo or chloro.
Claim 10
Dependent Claim
17 words
A compound according to claim 8 wherein R is hydrogen, X is hydrogen and Y is chloro.
Claim 11
Dependent Claim
15 words
A compound according to claim 8 wherein each of R, X and Y is hydrogen.
Claim 12
Dependent Claim
25 words
A compound according to claim 8 wherein R is chloro and is in the 3 position, X is hydrogen and Y is bromo or chloro.
Claim 13
Dependent Claim
31 words
A compound according to claim 3 wherein R is hydrogen or chloro, W is oxygen, n is one, X is hydrogen, chloro or methyl and Y is hydrogen, bromo or chloro.
Claim 14
Dependent Claim
17 words
A compound according to claim 12 wherein R is hydrogen, X is hydrogen and Y is chloro.
Claim 15
Dependent Claim
15 words
A compound according to claim 12 wherein each of R, X and Y is hydrogen.
Claim 16
Dependent Claim
25 words
A compound according to claim 12 wherein R is chloro and is in the 3 position, X is hydrogen and Y is bromo or chloro.
Claim 17
Dependent Claim
31 words
A compound according to claim 4 wherein R is hydrogen or chloro, W is oxygen, n is one, X is hydrogen, chloro or methyl, and Y is hydrogen, bromo or chloro.
Claim 18
Dependent Claim
19 words
A compound according to claim 16 wherein R is hydrogen, X is hydrogen and Y is bromo or chloro.
Claim 19
Dependent Claim
31 words
A compound according to claim 5 wherein R is hydrogen or chloro, W is oxygen, n is one, X is hydrogen, chloro or methyl, and Y is hydrogen, bromo or chloro.
Claim 20
Dependent Claim
19 words
A compound according to claim 18 wherein R is hydrogen, X is hydrogen and Y is bromo or chloro.
Claim 21
Independent Claim
25 words
A method for the control of weeds which comprises treating said weed with a herbicidally effective amount of a compound according to formula (A) herein.
Claim 22
Independent Claim
25 words
A method for the control of weeds which comprises treating said weed with a herbicidally effective amount of a compound according to formula (A) herein.
References Cited (Backward Citations)
US4225497A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-05-31 | 1985-11-30 | 1986-06-01 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-05-31 | 1989-11-30 | 1990-06-01 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-05-31 | 1993-11-30 | 1994-06-01 | $7700.00 | Window Closed / Lapsed |