US3862208A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Substituted n-(3-aminocarbonyloxyphenyl)-n-methylureas
Assignee: BASF SE
•
Filing: 1972-05-19
•
Granted: 1975-01-21
•
Expires: 1992-05-19
Abstract
Abstract Valuable substituted urea derivatives and a process for controlling the growth of unwanted plants.
Inventors
- 👤 Bernd Zeeh
- 👤 Klaus Wulz
- 👤 Adolf Fischer
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 19:54
CPC Classifications
C; C07; C07C; C07C275/00; C07C275/28; C07C275/32; C07C275/64
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
27 words
A substituted urea as claimed in claim 1 wherein X and Y together denote the group -OOCNHR'' wherein R'' is alkyl of 1 to 5 carbon atoms.
Claim 2
Dependent Claim
27 words
A substituted urea as claimed in claim 1 wherein X and Y together denote the group -COOR'' wherein R'' is alkyl of 1 to 5 carbon atoms.
Claim 3
Dependent Claim
29 words
A substituted urea as claimed in claim 1 wherein X and Y together denote the group -CH2COOR'' or -CH2CH2COOR'' wherein R'' is alkyl of 1 to 5 carbon atoms.
Claim 4
Dependent Claim
27 words
A substituted urea as claimed in claim 1 wherein X and Y together denote the group -OCH2COOR'' wherein R'' is alkyl of 1 to 5 carbon atoms.
Claim 5
Dependent Claim
17 words
A substituted urea as claimed in claim 1 wherein X and Y together denote the group 2-methoxycarbonylethyl.
Claim 6
Dependent Claim
17 words
A substituted urea as claimed in claim 1 wherein X and Y together denote the group methoxycarbonylmethoxy.
Claim 7
Dependent Claim
17 words
A substituted urea as claimed in claim 1 wherein X and Y together denote the group ethoxycarbonylmethyl.
Claim 8
Dependent Claim
2 words
N-(3-tert-butylcarbamoyloxyphenyl)-N''-methyl-N''-(2-methoxycarbonylethyl) -urea.
Claim 9
Dependent Claim
1 words
N-(3-tert-butylcarbamoyloxyphenyl)-N''-methyl-N''-methoxycarbonylmethoxyurea.
Claim 10
Dependent Claim
1 words
N-(3-tert-butylcarbamoyloxyphenyl)-N''-methyl-N''-ethoxycarbonylmethylurea.
Claim 11
Dependent Claim
2 words
N-(3-isopropylcarbamoyloxyphenyl)-N''-methyl-N''-(2-methoxycarbonylethyl) -urea.
Claim 12
Dependent Claim
1 words
N-(3-isopropylcarbamoyloxyphenyl)-N''-methyl-N''-methoxycarbonylmethoxyurea.
References Cited (Backward Citations)
US3663605A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-01-20 | 1978-07-22 | 1979-01-21 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-01-20 | 1982-07-22 | 1983-01-21 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-01-20 | 1986-07-22 | 1987-01-21 | $7700.00 | Window Closed / Lapsed |