Agrochemical formulations

Details Agrochemical formulations Agrochemical formulations

2001-06-08

2003-08-05

Pryor, Alton (Department: 1616)

Plant protecting and regulating compositions

Plant growth regulating compositions

C504S136000, C504S139000, C504S223000, C504S272000, C504S273000

Reexamination Certificate

active

06602823

ABSTRACT:

FIELD OF THE INVENTION
The present invention relates to novel agrochemical formulations based on certain 2-ethyl-hexanol alkoxylates, to a process for preparing these formulations and to their use for applying the agrochemically active compounds they comprise.
BACKGROUND OF THE INVENTION
Numerous formulations of crop treatment agents comprising the fatty alcohol ethoxylates as wetting agents and/or penetrants have already been disclosed (cf. EP-A 0 579 052). The activity of these preparations is good. However, they have the disadvantage that in some cases a lot of foam is formed on stirring with water.
Furthermore, formulations of agrochemicals comprising fatty alcohol propoxylates as formulation auxiliaries have already been described (cf. U.S. Pat. No. 3,673,087). However, the properties of these preparations are likewise not always satisfactory, since propoxylates having a relatively long alkyl moiety are sparingly soluble in water and thus have a tendency to form deposits.
Moreover, it is known that mixtures of fatty alcohol ethoxylates and propoxylates and their copolymers can be employed as low-foam wetting agents for formulating active compounds in crop protection (cf. EP-A 0 681 865). However, in practice, the properties of such preparations are in some instances unsatisfactory.
SUMMARY OF THE INVENTION
Agrochemical formulation comprise an agrochemically active compound, a 2-ethyl-hexanol alkoxylate of the formula
wherein P represents —CH
2
—CH(CH
3
), E represent —CH
2
—CH
2
—, and the numbers 8 and 6 are average values, and optionally additives.
DETAILED DESCRIPTION
This invention, accordingly, provides novel agrochemical formulations comprising
a) at least one agrochemically active compound,
b) 2-ethyl-hexanol alkoxylate of the formula
 in which
P represents
E represents —CH
2
—CH
2
— and
the numbers 8 and 6 are average values and
c) optionally additives.
Furthermnore, it has been found that the agrochemical formnulations according to the invention can be prepared by mixing
at least one agrochemically active compound
with 2-ethyl-hexanol alkoxylate of the formula (I) and
optionally with additives.
Finally, it has been found that the agrochemical formulations according to the invention are highly suitable for applying the active compounds they comprise to plants and/or their habitat.
It is extremely surprising that the formulations according to the invention are, with respect to their properties, considerably superior to the prior-art preparations of the most similar composition. Besides, based on the teaching of EP-A 0 681 865, it was to be assumed that a mixture of different alkoxylates is required so that the resulting compositions meet all the requirements of practice. However, contrary to expectations, this is not the case. Specifically the presence of 2-ethyl-hexanol alkoxylate of the formula (I) is sufficient to generate formulations having the desired property profile.
The formulations according to the invention have a number of advantages. Thus, on mixing the formulations according to the invention with water, only very little foam is formed. Furthermore, the formulations have a favourable effect on the biological activity of the active components they comprise. Moreover, it is advantageous that sparingly water-soluble active compounds in the formulations according to the invention show a reduced tendency to crystallize on dilution with water.
The formulations according to the invention comprise one or more agrochemically active compounds. Here, agrochemically active compounds are to be understood as meaning all substances which are customary for the treatment of plants. Fungicides, bactericides, insecticides, acaricides, nematicides, herbicides, plant growth regulators, plant nutrients and repellents may be mentioned as being preferred.
Examples of fungicides which may be mentioned are:
2-aminobutane; 2-anilino-4-methyl-6-cyclopropyl-pyrimidine; 2′,6′-dibromo-2-methyl-4′-trifluoromethoxy-4′-trifluoromethyl-1,3-thizole-5-carboxanilide; 2,6-dichloro-N-(4-trifluoromethylbenzyl)-benzamide; (E)-2-methoximino-N-methyl-2-(2-phenoxyphenyl)acetamide; 8-hydroxyquinoline sulphate; methyl (E)-2-{2-[6-(2-cyanophenoxy)-pyrimidin-4-yloxy]-phenyl}-3-methoxyacrylate; methyl (E)-methoximino[alpha-(o-tolyloxy)-o-tolyl]-acetate; 2-phenylphenol (OPP), aldimorph, ampropylfos, anilazine, azaconazole,
benalaxyl, benodanil, benomyl, binapacryl, biphenyl, bitertanol, blasticidin-S, bromuconazole, bupirimate, buthiobate,
calcium polysulphide, captafol, captan, carbendazim, carboxin, quinomethionate, chloroneb, chloropicrin, chlorothalonil, chlozolinate, cufraneb, cymoxanil, cyproconazole, cyprofuram,
dichlorophen, diclobutrazol, diclofluanid, diclomezin, dicloran, diethofencarb, difenoconazole, dimethirimol, dimethomorph, diniconazole, dinocap, diphenylamine, dipyrithion, ditalimfos, dithianon, dodine, drazoxolon,
edifenphos, epoxyconazole, ethirimol, etridiazole,
fenarimol, fenbuconazole, fenfuram, fenitropan, fenpiclonil, fenpropidin, fenpropimorph, fentin acetate, fentin hydroxide, ferbam, ferimzone, fluazinam, fludioxonil, fluoromide, fluquinconazole, flusilazole, flusulfamide, flutolanil, flutriafol, folpet, fosetyl-aluminium, fthalide, fuberidazole, furalaxyl, furmecyclox,
guazatine,
hexachlorobenzene, hexaconazole, hymexazol,
imazalil, imibenconazole, iminoctadine, iprobenfos (IBP), iprodione, isoprothiolane,
kasugamycin, mancozeb, maneb, mepanipyrim, mepronil, metalaxyl, metconazole, methasulfocarb, methfuroxam, metiram, metsulfovax, myclobutanil,
nickel dimethyldithiocarbamate, nitrothal-isopropyl, nuarimol,
ofurace, oxadixyl, oxamocarb, oxycarboxin,
pefurazoate, penconazole, pencycuron, phosdiphen, pimaricin, piperalin, polyoxin, probenazole, prochloraz, procymidone, propamocarb, propiconazole, propineb, pyrazophos, pyrifenox, pyrimethanil, pyroquilon,
quintozene (PCNB), quinoxyfen,
tebuconazole, tecloftalam, tecnazene, tetraconazole, thiabendazole, thicyofen, thiophanate-methyl, thiram, toiclophos-methyl, tolylfluanid, triadimefon, triadimenol, triazoxide, trichlamide, tricyclazole, tridemorph, triflumizole, triforine, triticonazole,
validamycin A, vinclozolin,
zineb, ziram,
8-tert-butyl-2-(N-ethyl-N-n-propyl-amino)-methyl-1,4-dioxa-spiro-[4,5]decane,
N-(R)-[1-(4-chlorophenyl)-ethyl]-2,2-dichloro-1-ethyl-3t-methyl-1r-cyclopropanecarboxamide (diastereomer mixture or individual isomers),
1-methylethyl [2-methyl-1-[[[1-(4-methylphenyl)-ethyl]-amino]-carbonyl]-propyl]-carbamate,
N-(2,3-dichloro-4-hydroxy)-1-methyl-cyclohexyl-1-carboxanilide,
2-[2-(1-chloro-cyclopropyl)-3-(2-chlorophenyl)-2-hydroxypropyl]-2,4-dihydro-[1,2,4]-triazole-3-thione,
1-(3,5-dimethyl-isoxazole-4-sulphonyl)-2-chloro-6,6-difluoro-[1,3]-dioxolo-[4,5-f]-benzimidazole and
(5,6-dihydro-1,4,2-dioxazin-3-yl)-{2-[[6-(2-chloro-phenoxy)-5-fluoro-4-pyrimidinyl]-oxy]phenyl}-methanone-O-methyloxime.
Examples of Bactericides Which may be Mentioned are:
bronopol, dichlorophen, nitrapyrin, nickel dimethyldithiocarbamate, kasugamycin, octhilinone, furanecarboxylic acid, oxytetracyclin, probenazole, streptomycin, tecloftalam, copper sulphate and other copper preparations.
Examples of Insecticides, Acaricides and Nematicides Which may be Mentioned are:
abamectin, acephate, acrinathrin, alanycarb, aldicarb, alphamethrin, amitraz, avermectin, AZ 60541, azadirachtin, azinphos A, azinphos M, azocyclotin,
Bacillus thuringiensis
, 4-bromo-2-(4-chlorophenyl)-1-(ethoxymethyl)-5-(trifluoromethyl)-1H-pyrrole-3-carbonitrile, bendiocarb, benfuracarb, bensultap, betacyfluthrin, bifenthrin, BPMC, brofenprox, bromophos A, bufencarb, buprofezin, butocarboxin, butylpyridaben,
cadusafos, carbaryl, carbofuran, carbophenothion, carbosulfan, cartap, chloethocarb, chloroethoxyfos, chlorofenvinphos, chlorofluazuron, chloromephos, N-[(6-chloro-3-pyridinyl)-methyl]-N′-cyano-N-methyl-ethanimidamide, chloropyrifos, chloropyrifos M, cis-resmeth

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