Patent US3867426A successfully refreshed from Google Patents.
US3867426A
Expired / Lapsed
US
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Herbicidal meta-bifunctional benzenes
Assignee: Monsanto Co
•
Filing: 1970-10-02
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Granted: 1975-02-18
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Expires: 1990-10-02
Abstract
Abstract Bi-substituted benzene compounds and their herbicidal use having the formula WHEREIN A
Inventors
- 👤 John F Olin
- 👤 Philip C Hamm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 18:59
CPC Classifications
C; C07; C07C; C07C333/00; C07C333/02; C07C333/08; C07C275/00; C07C275/28; C07C275/32; C07C275/34
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
6 words
META-BIFUNCTIONAL SUBSTITUTED BENZENES OF THE FORMULA
Claim 2
Dependent Claim
6 words
META-BIFUNCTIONAL SUBSTITUTED BENZENES OF THE FORMULA
Claim 3
Dependent Claim
9 words
A compound according to claim 1 which is 3-(3''-(N''-alpha-methylbenzylcarbamoyloxy)phenyl)-1,1-dimethylurea.
Claim 4
Dependent Claim
9 words
A compound according to claim 1 which is 3-(3''-(N''-alpha-ethylbenzylcarbamoyloxy)phenyl)1,1-dimethylurea.
Claim 5
Dependent Claim
9 words
A compound according to claim 1 which is 3-(3''-(N''-alpha-isopropylbenzylcarbamoyloxy)phenyl)-1,1-dimethylurea.
Claim 6
Dependent Claim
9 words
A compound according to claim 1 which is 3-(3''-(N''-1,1-dimethyl-2-phenylethylcarbamoyloxy)phenyl)-1,1-dimethylurea.
Claim 7
Dependent Claim
10 words
A compound according to claim 1 which is 3-(3''-(N''-methyl-N''-alpha,4-dimethylbenzylcarbamoyloxy)phenyl)-1,1 -dimethylurea.
Claim 8
Dependent Claim
10 words
A compound according to claim 1 which is 3-/3''-(N''-alpha-methyl-4-methylbenzyl-N-methylcarbamoyloxy)phenyl/-1,1 -dimethylurea.
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) | 1978-02-17 | 1978-08-19 | 1979-02-18 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-02-17 | 1982-08-19 | 1983-02-18 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-02-17 | 1986-08-19 | 1987-02-18 | $7700.00 | Window Closed / Lapsed |