Patent US4149872A successfully refreshed from Google Patents.
US4149872A
Expired / Lapsed
US
⏱️ 0.0 years remaining
N-pyridinyl urea and cyclopropanecarboxamide herbicides
Assignee: Shell USA Inc
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Filing: 1977-07-21
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Granted: 1979-04-17
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Expires: 1997-07-21
Abstract
Abstract Compounds of the formula ##STR1## wherein A is ##STR2## in which R 1 is alkyl and n is 0-1, or ##STR3## in which R 2 is hydrogen, alkyl or halogen; Y is halogen or alkyl; and X is halogen, --NR 3 R 4 in which R 3 and R 4 each independently is hydrogen or alkyl; OR 5 ; SR 5 ; S(O)R 5 or S(O) 2 R 5 , in which R 5 is alkyl, are useful as herbicides.
Inventors
- 👤 Kurt H. G. Pilgram
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-04 18:33
CPC Classifications
C; C07; C07D; C07D213/00; C07D213/02; C07D213/04; C07D213/60; C07D213/72; C07D213/75; A; A01; A01N; A01N47/00; A01N47/08; A01N47/28; A01N47/36
Claims Analysis
Total Claims: 16
Claim 1
Independent Claim
121 words
A compound of the formula ##STR14## wherein A is ##STR15## in which R 2 is a hydrogen atom or a methyl group; Y is a halogen atom having an atomic number of from 9 to 35, inclusive; and X is a halogen atom having an atomic number of from 9 to 35, inclusive; --NR 3 R 4 in which R 3 and R 4 each independently is a hydrogen atom or an alkyl group containing from 1 to 6 carbon atoms or R 4 is additionally a cycloalkyl group containing from 3 to 7 ring carbon atoms and 3 to 11 carbon atoms; or Or 5 in which R 5 is an alkyl group containing from 1 to 6 carbon atoms.
Claim 2
Dependent Claim
121 words
A compound of the formula ##STR14## wherein A is ##STR15## in which R 2 is a hydrogen atom or a methyl group; Y is a halogen atom having an atomic number of from 9 to 35, inclusive; and X is a halogen atom having an atomic number of from 9 to 35, inclusive; --NR 3 R 4 in which R 3 and R 4 each independently is a hydrogen atom or an alkyl group containing from 1 to 6 carbon atoms or R 4 is additionally a cycloalkyl group containing from 3 to 7 ring carbon atoms and 3 to 11 carbon atoms; or Or 5 in which R 5 is an alkyl group containing from 1 to 6 carbon atoms.
Claim 3
Dependent Claim
62 words
A compound of the formula ##STR16## wherein X is chlorine or --NR 3 R 4 in which R 3 and R 4 each independently is a hydrogen atom or an alkyl group containing from 1 to 6 carbon atoms or R 4 is additionally a cycloalkyl group containing from 3 to 7 ring carbon atoms and 3 to 11 total carbon atoms.
Claim 4
Dependent Claim
62 words
A compound of the formula ##STR16## wherein X is chlorine or --NR 3 R 4 in which R 3 and R 4 each independently is a hydrogen atom or an alkyl group containing from 1 to 6 carbon atoms or R 4 is additionally a cycloalkyl group containing from 3 to 7 ring carbon atoms and 3 to 11 total carbon atoms.
Claim 5
Dependent Claim
10 words
A compound according to claim 1 wherein Y is chlorine.
Claim 6
Dependent Claim
73 words
A compound according to claim 3 wherein X is a halogen atom having an atomic number of from 9 to 35, inclusive; --NR 3 R 4 in which R 3 and R 4 each independently is a hydrogen atom or an alkyl group containing from 1 to 4 carbon atoms or is methylcyclopropyl, or X is OR 5 in which R 5 is an alkyl group containing from 2 to 3 carbon atoms.
Claim 7
Dependent Claim
15 words
A compound according to claim 4 wherein R 2 is methyl and X is chlorine.
Claim 8
Dependent Claim
17 words
A compound according to claim 4 wherein R 2 is a hydrogen atom and X is chlorine.
Claim 9
Dependent Claim
15 words
A compound according to claim 4 wherein R 2 is methyl and X is isopropylmethylamino.
Claim 10
Dependent Claim
10 words
A compound according to claim 2 wherein X is chlorine.
Claim 11
Dependent Claim
10 words
A compound according to claim 2 wherein X is dimethylamino.
Claim 12
Dependent Claim
10 words
A compound according to claim 2 wherein X is tertiarybutylamino.
Claim 13
Dependent Claim
6 words
A compound wherein X is isopropylmethylamino.
Claim 14
Dependent Claim
6 words
A compound wherein X is isopropylmethylamino.
Claim 15
Dependent Claim
24 words
An herbicidal composition comprising a herbicidally effective amount of a compound according to claim 1 and at least one surface-active agent or carrier therefore.
Claim 16
Dependent Claim
38 words
A method for controlling undesirable plant growth at a locus to be protected which comprises applying to the locus to be protected a plant growth controlling amount of a compound according to claim 1 or a composition thereof.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1982-04-16 | 1982-10-16 | 1983-04-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1986-04-16 | 1986-10-16 | 1987-04-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1990-04-16 | 1990-10-16 | 1991-04-17 | $7700.00 | Window Closed / Lapsed |