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US4051240A
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O,s-dialkyl-o-(4-phenylazophenyl)-thiophosphates and pesticidal compositions thereof
Assignee: Novartis Corp
•
Filing: 1976-03-11
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Granted: 1977-09-27
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Expires: 1996-03-11
Abstract
Abstract Organophosphorus acid esters of the formula ##STR1## wherein R 1 represents propyl or butyl; R 2 represents methyl or ethyl; each of R 3 and R 4 represents hydrogen, halogen, or alkyl having 1 to 5 carbon atoms; n is a number from 1 to 4; and m is a number from 1 to 5. These compounds are useful for the control of insects, acarids and nematodes.
Inventors
- 👤 Alexis A. Oswald
- 👤 Paul L. Valint
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 16:58
CPC Classifications
A; A01; A01N; A01N57/00; A01N57/10; A01N57/14; C; C07; C07F; C07F9/00; C07F9/02; C07F9/06; C07F9/16; C07F9/165; C07F9/18
Claims Analysis
Total Claims: 14
Claim 1
Independent Claim
55 words
A compound of the formula ##STR14## wherein R 1 represents propyl or butyl; R 2 represents methyl or ethyl; each of R 3 and R 4 represents hydrogen, halogen or alkyl having from 1 to 5 carbon atoms; n is a number from 1 to 4; and m is a number from 1 to 5.
Claim 2
Dependent Claim
55 words
A compound of the formula ##STR14## wherein R 1 represents propyl or butyl; R 2 represents methyl or ethyl; each of R 3 and R 4 represents hydrogen, halogen or alkyl having from 1 to 5 carbon atoms; n is a number from 1 to 4; and m is a number from 1 to 5.
Claim 3
Dependent Claim
29 words
A compound according to claim 1 in which each of R 3 and R 4 represents hydrogen, chlorine or methyl; n is 1; and m is 1 or 2.
Claim 4
Dependent Claim
30 words
A compound according to claim 2 in which R 1 is n-propyl or isobutyl; R 3 is hydrogen; R 4 is in the 2- or 4-position; and m is 1.
Claim 5
Dependent Claim
9 words
The compound according to claim 3 which is O-ethyl-S-n-propyl-O-[4-(4'-chlorophenylazo)-phenyl]-thiophosphate.
Claim 6
Dependent Claim
9 words
The compound according to claim 3 which is O-ethyl-S-n-propyl-O-(4-phenylazophenyl)-thiophosphate.
Claim 7
Dependent Claim
9 words
The compound according to claim 2 which is O-ethyl-S-n-propyl-O-[2-chloro-4-(4'-chlorophenylazo)-phenyl]-thiophosphate.
Claim 8
Dependent Claim
9 words
The compound according to claim 2 which is O-ethyl-S-n-propyl-O-[4-(3',4'-dichlorophenylazo)-phenyl]-thiophosphate.
Claim 9
Dependent Claim
9 words
The compound according to claim 3 which is O-ethyl-S-n-propyl-O-[4-(4'-methylphenylazo)-phenyl]-thiophosphate.
Claim 10
Dependent Claim
9 words
The compound according to claim 3 which is O-ethyl-S-isobutyl-O-(4-phenylazophenyl)-thiophosphate.
Claim 11
Dependent Claim
20 words
A pesticidal composition comprising (1) a pesticidally effective amount of a compound according to claim 1 and (2) a carrier.
Claim 12
Dependent Claim
32 words
A composition according to claim 10 in which, in the compound, each of R 3 and R 4 represents halogen, chlorine or methyl; n is 1; and m is 1 or 2.
Claim 13
Dependent Claim
12 words
The composition according to claim 11 in which the compound is O-ethyl-S-n-propyl-O-(4-phenylazophenyl)-thiophosphate.
Claim 14
Dependent Claim
12 words
The composition according to claim 11 in which the compound is O-ethyl-S-n-propyl-O-[2-chloro-4-(4'-chlorophenylazo)-phenyl]-thiophosphate.
References Cited (Backward Citations)
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US2328570A
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US2234704A
Cited
US2200543A
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US2947663A
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US3825632A
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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) | 1980-09-26 | 1981-03-28 | 1981-09-27 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-09-26 | 1985-03-28 | 1985-09-27 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-09-26 | 1989-03-28 | 1989-09-27 | $7700.00 | Window Closed / Lapsed |