EP0000127B1 - Compositions insecticides et acaricides, leur préparation et leur application - Google Patents

Compositions insecticides et acaricides, leur préparation et leur application Download PDF

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Publication number
EP0000127B1
EP0000127B1 EP78100117A EP78100117A EP0000127B1 EP 0000127 B1 EP0000127 B1 EP 0000127B1 EP 78100117 A EP78100117 A EP 78100117A EP 78100117 A EP78100117 A EP 78100117A EP 0000127 B1 EP0000127 B1 EP 0000127B1
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EP
European Patent Office
Prior art keywords
spp
methyl
ester
phosphoric acid
alkyl
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
EP78100117A
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German (de)
English (en)
Other versions
EP0000127A1 (fr
Inventor
Günter Dr. Arend
Wolfgang Dr. Behrenz
Hans-Dieter Dr. Block
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Bayer AG
Original Assignee
Bayer AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
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Priority to DE7979105303T priority Critical patent/DE2862180D1/de
Publication of EP0000127A1 publication Critical patent/EP0000127A1/fr
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Publication of EP0000127B1 publication Critical patent/EP0000127B1/fr
Expired legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/40—Esters thereof
    • C07F9/4071—Esters thereof the ester moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/4078—Esters with unsaturated acyclic alcohols
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/02—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having alternatively specified atoms bound to the phosphorus atom and not covered by a single one of groups A01N57/10, A01N57/18, A01N57/26, A01N57/34
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01N—PRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N57/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds
    • A01N57/10—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds
    • A01N57/12—Biocides, pest repellants or attractants, or plant growth regulators containing organic phosphorus compounds having phosphorus-to-oxygen bonds or phosphorus-to-sulfur bonds containing acyclic or cycloaliphatic radicals
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/06—Phosphorus compounds without P—C bonds
    • C07F9/08—Esters of oxyacids of phosphorus
    • C07F9/09—Esters of phosphoric acids
    • C07F9/113—Esters of phosphoric acids with unsaturated acyclic alcohols
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/30—Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
    • C07F9/32—Esters thereof
    • C07F9/3205—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/3217—Esters of acyclic unsaturated acids
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/40—Esters thereof
    • C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/4006—Esters of acyclic acids which can have further substituents on alkyl
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02—Phosphorus compounds
    • C07F9/28—Phosphorus compounds with one or more P—C bonds
    • C07F9/38—Phosphonic acids [RP(=O)(OH)2]; Thiophosphonic acids ; [RP(=X1)(X2H)2(X1, X2 are each independently O, S or Se)]
    • C07F9/40—Esters thereof
    • C07F9/4003—Esters thereof the acid moiety containing a substituent or a structure which is considered as characteristic
    • C07F9/4015—Esters of acyclic unsaturated acids

Definitions

  • the present invention relates to new insecticidal and acaricidal synergistic active substance combinations of partially known phosphorus-containing compounds and pesticidal active substances.
  • synergistic mixtures of carbamates e.g. B. 2-iso-propoxyphenyl-N-methyl carbamate or phosphoric acid esters, e.g. O, O-diethyl-O- (2-isopropyl-4-methyl-pyrimidinyl- [6] -phosphorothioate, or of natural or synthetic pyrethroids with piperonyl ethers, such as, for example, ⁇ - [2- (2-butoxyethoxy) - ethoxy] -4,5-methylenedioxy-2-propyl-toluene, known (cf. Bull, Org. -Health Org.
  • the insecticidal and / or acaricidal action of the active compound combinations according to the invention is significantly higher than the action of the individual component or the sum of the actions of the individual components. It is also significantly higher than the effect of the already known combinations of active substances consisting of 2-iso-propoxy-phenyl-N-methyl-carbamate and piperonyl butoxide.
  • synergistic mixtures which contain the unsaturated organic phosphates of the formula I which can be used according to the invention are a valuable addition to the technology.
  • the unsaturated organic phosphates of the formula are known and can be obtained by customary processes.
  • the unsaturated organic phosphates of the general formula I which can be used according to the invention include phosphoric acid esters, thiophosphoric acid esters, dithio and trithiophosphoric acid esters.
  • the production of (thio) phosphoric acid esters is described in detail, for example, in “Houben-Weyl, Methods of Organic Chemistry, Vol. 12/1 and Vol. 12/2”.
  • radicals R 1 , R 2 and R 3 must stand for a radical which is unsaturated in the 2-position, the allyl radical being particularly preferred.
  • the new active ingredient combinations of the unsaturated organic phosphates which can be used according to the invention with carbamates show an outstanding increase in activity compared to the individual active ingredients or their sum.
  • the weight ratios of the active ingredient groups can fluctuate in relatively large ranges.
  • the phosphorus-containing compounds used as synergists with the other active ingredients are used in a ratio of 0.1: 10 to 10: 0.1.
  • Mixing ratios of 0.5: 1.0 to 3.0: 1.0 have proven to be particularly suitable.
  • the active substance combinations according to the invention not only bring about a quick knock-down effect, but also bring about the sustainable killing of animal pests, in particular insects and mites, which occur in agriculture, in forests, in the protection of stored goods and materials and in the hygiene sector. They are effective against normally sensitive and resistant species and against all or individual stages of development.
  • the active substance combinations can be converted into the customary formulations, such as solutions, emulsions, wettable powders, suspensions, powders, dusting agents, foams, pastes, soluble powders, granules, aerosols, suspension emulsion concentrates.
  • formulations are made in a known manner, e.g. by mixing the active ingredients with extenders, that is to say liquid solvents, pressurized liquefied gases and / or solid carriers, if appropriate using surface-active agents, that is to say emulsifiers and / or dispersants and / or foam-generating agents.
  • extenders that is to say liquid solvents, pressurized liquefied gases and / or solid carriers, if appropriate using surface-active agents, that is to say emulsifiers and / or dispersants and / or foam-generating agents.
  • surface-active agents that is to say emulsifiers and / or dispersants and / or foam-generating agents.
  • organic solvents can also be used as auxiliary solvents.
  • aromatics such as xylene, toluene, or alkylnaphthalenes
  • chlorinated aromatics or chlorinated aliphatic hydrocarbons such as chlorobenzenes, chloroethylene or methylene chloride
  • aliphatic hydrocarbons such as cyclohexane or paraffins, e.g.
  • Petroleum fractions oil fractions, alcohols, such as butanol or glycol, and their ethers and esters, ketones, such as acetone, methyl ethyl ketone, methyl isobutyl ketone or cyclohexanone, strongly polar solvents, such as dimethylformamide and dimethyl sulfoxide, and water; liquefied gaseous extenders or carriers mean liquids which are gaseous at normal temperature and under normal pressure, e.g.
  • Aerosol propellants such as halogenated hydrocarbons and butane, propane, nitrogen and carbon dioxide; as solid carriers: natural rock flour, such as kaolin, clay, talc, chalk, quartz, attapulgite, montmorillonite or diatomaceous earth and synthetic rock powder, such as highly disperse silica, aluminum oxide and silicates; as solid carriers for granules: broken and fractionated natural rocks such as calcite, marble, pumice, sepiolite, dolomite as well as synthetic granules from inorganic and organic flours as well as granules from organic material such as sawdust, coconut shells, corn cobs and tobacco stalks; as emulsifying and / or foam-generating agents: nonionic and anionic emulsifiers, such as polyoxyethylene fatty acid esters, polyoxyethylene fatty alcohol ethers, e.g.
  • alkylaryl polyglycol ether alkyl sulfonates, alkyl sulfates, aryl sulfonates and protein hydrolysates; as a dispersant: e.g. Lignin, sulfite liquor and methyl cellulose.
  • Adhesives such as carboxymethyl cellulose, natural and synthetic polymers in the form of powders, granules or latices, such as gum arabic, can be used in the formulations; Polyvinyl alcohol, polyvinyl acetate.
  • Dyes such as inorganic pigments, e.g. Iron oxide, titanium oxide, ferrocyan blue and organic dyes such as alizarin, azo-metal phthatoeyanine dyes and trace nutrients such as salts of iron, manganese, boron, copper, cobalt, molybdenum and zinc can be used.
  • the formulations generally contain between 0.1 and 95% by weight of active compound, preferably between 0.5 and 90%.
  • the active compound combinations according to the invention are used in the form of their commercially available formulation and / or the use forms prepared from these formulations.
  • the active substance content of the use forms prepared from the commercially available formulations can vary within wide ranges.
  • the active substance concentration of the use form can be from 0.0000001 to 100% by weight of active substance, preferably between 0.01 and 10% by weight.
  • the application takes place in a customary manner adapted to the application forms.
  • the active substance combinations are notable for an excellent residual action on wood and clay and for good stability to alkali on limed substrates. example
  • Test animals Phosphoric acid ester-resistant Musca domestica (Weymann strain)
  • Solutions are prepared from the active ingredients, synergists and mixtures of active ingredients and synergists and 2.5 ml of this is pipetted into Petri dishes on filter paper disks with a diameter of 9.5 cm. The filter paper absorbs the solutions. The petri dishes remain open until the solvent has completely evaporated. Then put 25 test animals in the Petri dishes and cover them with a glass lid.
  • the condition of the test animals is checked continuously for up to 6 hours. The time required for a 100% knock-down effect is determined. If the LT 100 is not reached after 6 hours, the percentage of the knock-down test animals is determined.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Biochemistry (AREA)
  • Molecular Biology (AREA)
  • Pest Control & Pesticides (AREA)
  • Agronomy & Crop Science (AREA)
  • Plant Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Claims (4)

1. Combination insecticides et acaricides de substances actives et d'agents synergiques, ces combinations étant constituées de phosphates organiques insaturés de formule générale I:
Figure imgb0010
dans laquelle
R1, R2 et R3 représentent chacun indépendamment l'un de l'autre un groupe alkyle ou un groupe alcényle pouvant éventuellement être substitué par un atome d'halogène ou par un groupe alcoxy, ou encore un groupe propargyle, au moins un de ces radicaux représentant un groupe alcényle insaturé en position 2 et éventuellement substitué ou un groupe propargyle,
X représente un atome d'oxygène ou de soufre,
Y et Z représentent chacun indépendamment l'un de l'autre un atome d'oxygène ou de soufre,
ainsi que de carbamates dans le rapport pondéral entre 0,1:10 et 10:0,1.
2. Procédé en vue de combattre les insectes et les acariens, caractérisé en ce qu'on fait agir une combinaison de substances actives suivant la revendication 1 sur des insectes et des acariens et/ ou leur biotope.
3. Utilisation de combinaison de substances actives suivant la revendication 1 pour combattre les insectes et les acariens.
4. Procédé de préparation d'agents insecticides et acaricides, caractérisé en ce qu'on mélange une combinaison de substances actives suivant la revendication 1 avec des diluants et/ou des agents tensioactifs.
EP78100117A 1977-06-18 1978-06-08 Compositions insecticides et acaricides, leur préparation et leur application Expired EP0000127B1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE7979105303T DE2862180D1 (en) 1977-06-18 1978-06-08 Phosphoric acid esters and their use in pesticidal compositions

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE2727479 1977-06-08
DE19772727479 DE2727479A1 (de) 1977-06-18 1977-06-18 Insektizide und akarizide mittel

Related Child Applications (1)

Application Number Title Priority Date Filing Date
EP79105303.6 Division-Into 1978-06-08

Publications (2)

Publication Number Publication Date
EP0000127A1 EP0000127A1 (fr) 1979-01-10
EP0000127B1 true EP0000127B1 (fr) 1982-10-20

Family

ID=6011788

Family Applications (2)

Application Number Title Priority Date Filing Date
EP79105303A Expired EP0012452B1 (fr) 1977-06-18 1978-06-08 Esters d'acides phosphoriques et leur utilisation dans des compositions pesticides
EP78100117A Expired EP0000127B1 (fr) 1977-06-18 1978-06-08 Compositions insecticides et acaricides, leur préparation et leur application

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP79105303A Expired EP0012452B1 (fr) 1977-06-18 1978-06-08 Esters d'acides phosphoriques et leur utilisation dans des compositions pesticides

Country Status (17)

Country Link
US (1) US4257987A (fr)
EP (2) EP0012452B1 (fr)
JP (1) JPS548724A (fr)
AT (1) AT358331B (fr)
AU (1) AU522512B2 (fr)
BR (1) BR7803843A (fr)
CA (1) CA1107641A (fr)
DE (3) DE2727479A1 (fr)
DK (1) DK271278A (fr)
EG (1) EG13871A (fr)
IL (1) IL54923A (fr)
IT (1) IT7824658A0 (fr)
NZ (1) NZ187577A (fr)
PH (1) PH15766A (fr)
PT (1) PT68165A (fr)
TR (1) TR20354A (fr)
ZA (1) ZA783474B (fr)

Families Citing this family (17)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2926652A1 (de) * 1979-07-02 1981-01-22 Bayer Ag Verfahren zur herstellung von phosphorsaeurepropargylestern
DE2936037A1 (de) * 1979-09-06 1981-04-09 Bayer Ag, 5090 Leverkusen Propargylgruppenhaltige methanphosphonsaeureester und deren verwendung in synergistischen wirkstoffkombinationen zur schaedlingsbekaempfung
DE2949391A1 (de) * 1979-12-07 1981-07-16 Bayer Ag, 5090 Leverkusen Insektizide und akarizide mittel entaltend propargylthionophophorsaeureester
US4428945A (en) 1980-11-21 1984-01-31 Rhone-Poulenc Agrochimie O-Alkyl S-(tertiary alkyl) alkylphosphonothioate insecticides and nematocides
US4472391A (en) * 1980-11-21 1984-09-18 Rhone-Poulenc Agrochimie O-Aryl-s-(tertiary alkyl) alkylphosphonothioate insecticides and nematocides
DE3166207D1 (en) * 1980-11-25 1984-10-25 Ciba Geigy Ag Pesticide agents
US4472390A (en) * 1980-12-31 1984-09-18 Rhone-Poulenc Agrochimie S-Alkyls-(tertiary alkyl) alkylphosphonodithioate insecticides and nematocides
JPS57134493A (en) * 1981-02-12 1982-08-19 Sankin Kogyo Kk Phosphoric ester derivative
US4419350A (en) * 1981-11-05 1983-12-06 Stauffer Chemical Company Carbofuran compositions for problem soils
US4933181A (en) * 1983-11-28 1990-06-12 Clemson University Synergistic insecticidal compositions and method for use of same
JPS60224606A (ja) * 1984-04-23 1985-11-09 Kao Corp 農薬組成物
DE3431256A1 (de) * 1984-08-24 1986-03-06 Bayer Ag, 5090 Leverkusen Phosphorheterocyclen enthaltende schaedlingsbekaempfungsmittel
EP0181131A3 (fr) * 1984-11-01 1987-05-20 Kent Scientific and Industrial Projects Limited Dispositif pour la détermination de la fréquence de résonance d'un os
US5057235A (en) * 1988-06-23 1991-10-15 Mobil Oil Corporation Sulfur-phosphorus adducts of chromium catalyzed polyalphaolefins
GB0211924D0 (en) * 2002-05-23 2002-07-03 Syngenta Ltd Composition
CN109942622B (zh) * 2017-12-20 2021-10-15 张家港市国泰华荣化工新材料有限公司 一种含不饱和烃的磷酸酯阻燃剂的制备方法
CA3188985A1 (fr) * 2020-08-10 2022-02-17 Surya MOGANTY Additif insature pour batterie au lithium-ion

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US2693483A (en) * 1952-03-06 1954-11-02 Dow Chemical Co Propynyl phosphate compounds
BE571029A (fr) * 1957-09-24
US2906661A (en) * 1958-03-18 1959-09-29 Monsanto Chemicals Treating agricultural soils with propargyl phosphorothioates
US3513233A (en) * 1967-02-15 1970-05-19 Chemagro Corp Use of allylphosphonodithioates as nematocides
US4028438A (en) * 1967-05-17 1977-06-07 Sumitomo Chemical Company, Limited Phosphorothiolates
UST869008I4 (en) * 1969-03-27 1969-12-16 Defensive publication
US3860711A (en) * 1970-04-30 1975-01-14 Johnson & Son Inc S C Synergistic insecticidal composition containing dipropargyl phenylphosphonate
US3917476A (en) * 1970-10-28 1975-11-04 Gates Rubber Co Diethyl alpha phosphonate as an (antimicrobial agent) algaecide
US3885031A (en) * 1971-03-08 1975-05-20 Fmc Corp Insecticidal compositions and methods of combatting insects using cyclopropane carboxylate insecticides with a synergistic compound of mono (alkyl and alkenyl) mono omega-alkynyl arylphosphonates
US3862999A (en) * 1971-03-11 1975-01-28 Stauffer Chemical Co O{3 beta alkane phosphates
US3783016A (en) * 1971-06-01 1974-01-01 D Randall Method for imparting flame resistance to fibrous materials
DE2131402A1 (de) * 1971-06-24 1972-12-28 Basf Ag Dithiophosphorsaeureester
US3780144A (en) * 1971-09-10 1973-12-18 Alelio G D Halogenated ethylenically unsaturated phosphates
JPS5139212B2 (fr) * 1971-09-25 1976-10-26
BE793572A (fr) * 1971-12-30 1973-06-29 Sumitomo Chemical Co Nouveaux derives thiophosphores a activite
US3819756A (en) * 1972-05-24 1974-06-25 Basf Ag Dithiophosphoric esters
JPS4928972A (fr) * 1972-07-13 1974-03-14
US3856896A (en) * 1973-02-09 1974-12-24 Johnson & Son Inc S C Alkyl propargyl phosphonates
JPS5325303B2 (fr) * 1973-05-24 1978-07-26
JPS5016344A (fr) * 1973-06-15 1975-02-20
JPS5016853A (fr) * 1973-06-21 1975-02-21
JPS5754484B2 (fr) * 1973-10-30 1982-11-18
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IL48428A0 (en) * 1974-11-15 1976-03-31 Fmc Corp Synergistic insecticidal compositions containing a cyclopropane carboxylate and a phosphonate

Also Published As

Publication number Publication date
PH15766A (en) 1983-03-24
IL54923A (en) 1982-12-31
DE2727479A1 (de) 1979-01-04
EP0012452B1 (fr) 1983-02-09
IT7824658A0 (it) 1978-06-16
CA1107641A (fr) 1981-08-25
AT358331B (de) 1980-09-10
AU3710378A (en) 1979-12-20
EP0012452A2 (fr) 1980-06-25
DE2862180D1 (en) 1983-03-17
DK271278A (da) 1978-12-19
EG13871A (en) 1982-09-30
BR7803843A (pt) 1979-02-20
EP0012452A3 (en) 1980-07-23
JPS548724A (en) 1979-01-23
IL54923A0 (en) 1978-08-31
ZA783474B (en) 1979-06-27
DE2862060D1 (en) 1982-11-25
EP0000127A1 (fr) 1979-01-10
US4257987A (en) 1981-03-24
NZ187577A (en) 1980-05-27
PT68165A (en) 1978-07-01
ATA440378A (de) 1980-01-15
AU522512B2 (en) 1982-06-10
TR20354A (tr) 1981-02-23

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