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Title:
TITLE: SYNERGISTIC HERBICIDAL COMPOSITION OF PENDIMETHALIN AND METRIBUZIN
Document Type and Number:
WIPO Patent Application WO/2016/125188
Kind Code:
A4
Abstract:
The present invention relates to synergistic herbicidal composition of Pendimethalin and Metribuzin present in bioactive amounts. The invention also relates to the process for the preparation of the said composition containing bioactive amounts of Pendimethalin and Metribuzin. The present invention also relates to the use as a pre-emergence and early post-emergence herbicide against weeds of wheat, potato and maize crops infested by Phalaris minor, Avena fatua, Echinochloa colonum, Digitaria sanguinalis, Dactyloctenium aegyptium, Brachiaria mutica, Chenopodium album, Melilotus indica, Medicago sativa, Trianthema monogyna, Digera arvensis, Commelina spp., Rumex spp.,and other annual Grassy and broad leaf weeds with synergistic effect.

Inventors:
GUJRAL AJIT SINGH (IN)
SHAH KENAL V (IN)
SHAH BHAVESH V (IN)
DR SINGH ARVIND (IN)
PATEL DIPAKKUMAR (IN)
Application Number:
PCT/IN2016/050039
Publication Date:
October 06, 2016
Filing Date:
February 03, 2016
Export Citation:
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Assignee:
GSP CROP SCIENCE PVT LTD (IN)
International Classes:
A01N33/18; A01N25/12; A01N25/14; A01N43/707; A01P13/02
Attorney, Agent or Firm:
INFINVENT IP (Infinvent IPA/9, Amruta Society,,Nizampura,, Gujarat India., IN)
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Claims:
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Amended Claims:

[Claiml] A dry composition comprising synergistic bioactive amounts of Pendimethalin and Metribuzin with inactive excipients.

[Claim2] The dry composition according to claim 1 , wherein the ratio of Pendimethalin to Metribuzin is in the ratio from 20:1 to 1:20 preferably 6: 1 to 3:1.

[Claim3] A dry composition according to claim 1 wherein, inactive excipients comprises of filler, binder, wetting agent, dispersing or suspending agent, stabilizer, carrier, anti-foaming agent and solvent.

[Claim4] A dry composition according to claim 3 wherein, filler is selected from Mineral earths and clays such as bentonite, kaolin, attapulgite, diatomaceous earth, zeolites, calcium carbonate, talc, china clay, mineral components such as dolomite and limestone, light weight additives such as expanded silica, fly ash, hydrated lime, wheat flour, wood flour, ground wheat straw, cellulose and soy flour, muscovite mica, precipitated silicas, silicates, fused sodium potassium, aluminum silicate or coals, lignites and plastics.

[Claim5] [Amended] A dry composition according to claim 3 wherein, Binders are selected from the group comprising of consisting of polyvinyl pyrrolidone, trisiliconealkoxylate, polyvinyl alcohol, alcohol ethoxylate, nonionic block copolymer.

[Claim6] [Amended] A dry composition according to claim 3 wherein, wetting agent are selected from the group comprising of consisting of sodium lauryl sulphate; sodium dioctylsulphosuccinate; alkyl phenol ethoxylates; and aliphatic alcohol ethoxylates or mixtures thereof.

[Claim7] [Amended] A dry composition according to claim 3 wherein, Dispersing agent are selected from the group comprising of consisting of sodium lignosulphonates, naphthalene sulphonate formaldehyde, Tristyrylphenolethoxylate phosphate esters, alkylarylethylene oxide, sodium lignosulphonates; sodium naphthalene sulphonate formaldehyde condensates; tristyrylphenolethoxylate phosphate esters; aliphatic alcohol ethoxylates; alky ethoxylates; styrine acrylic polymer, EO-PO block copolymers; and graft copolymers or mixtures thereof.

[Claim8] [Amended] A dry composition according to claim 3 wherein, Stabilizer is selected from the group comprising of consisting of Potassiumsorbate, alcohol ethoxylate, Epichlorohydrin, Epoxidised soybean oil or mixtures thereof. [Claim9] [Amended] A dry composition according to claim 3 wherein, Carrier is selected from the group comprising of consisting of clays, attapulgite, bentonite, kaolin, sepiolite, kieselguhr, diatomaceous earth, river sand, talc, brick fragments sand, white carbon and vermiculite, corn cobs, walnut shells, rice hulls, and wood, starch natural plant fibers and pumice.

[ClaimlO] [Amended] A dry composition according to claim 3 wherein, Anti-foaming agent is selected from the group comprising of consisting of silicone emulsion, perfluoroalkylphosphonic acids, perfluoroalkylphosphinic acids and perfluoroaliphatic polymeric esters or mixtures thereof.

[Claimll] [Amended] A dry composition according to claim 3 wherein, solvents are selected from the group comprising of consisting of water, water-soluble alcohols and dihydroxy alcohol ethers; wherein water-soluble alcohol are methanol, ethanol, n-propanol, isopropanol, n-butanol, tert- butanol, polyethylene glycol, sorbitol, glucitol, and dihydroxy alcohol ethers are ethylene glycol methyl ether, diethylene glycol methyl ether, propylene glycol methyl ether, dipropylene glycol methyl ether, ethylene glycol ethyl ether, diethylene glycol ethyl ether, propylene glycol ethyl ether, dipropylene glycol ethyl ether, ethylene glycol phenyl ether, diethylene glycol phenyl ether, propylene glycol phenyl ether, dipropylene glycol phenyl ether, solvent can be used either alone or in combination thereof.

[Claiml2] The dry composition as claimed in claim 1 or 2 wherein the composition may be selected from

Wettable powders (WP), Water dispersible granules (WG or WDG) and Soil Applied Granules (SAG).

[Claiml3] The dry composition as claimed in claim 1, wherein the said composition is used for control of

Weeds in the crops, Wheat (Triticum aestavum), Potato (Solanum tubersoum), Sugarcane (Saccharum officinarum), Maize (Zea mays), Sunflower (Helianthus annuus), Soybean (Glycin max), Peanut (Arachis hypogaea)

[Claiml4] [Amended] The dry composition as claimed in claim 1 , wherein plant disease controlling effect, comprises Phalaris minor, Avena fatua, Echinochloa colonum, Digitaria sanguinalis, Dactyloctenium aegyptium, Brachiaria mutica, Chenopodium album, Melilotus indica, Medicago sativa, Trianthema monogyna, Digera arvensis, Commelina spp., Rumex spp.

[Claiml5] [Cancelled]