(1(51)International Patent Classification:A01N43/40(2006.01)A01N25/02(2006.01)(21)International Application Number:PCT/IB2019/053735(22)International Filing Date:07May2019(07.05.2019)(25)Filing Language:English(26)Publication Language:English(30)Priority Data:201890153907May2018(07.05.2018)AU(71)Applicant:ADAMA AGAN LTD.[IL/IL];P.O.Box262,Northern Industrial Zone,7710201Ashdod(IL).(72)Inventors:HORSFIELD,Andrew;43Twenty-third Av¬enue,Brighton,Queensland4017(AU).VAUGHAN,Pe¬ter;51Hunt Road,Burpengary,Queensland4505(AU).(74)Agent:EHRLICH,Gal et al.;G.E.Ehrlich(1995)LTD.,11Menachem Begin Road,5268104Ramat-Gan(IL).(81)Designated States(unless otherwise indicated,for everykind o f national protection available):AE,AG,AL,AM,AO,AT,AU,AZ,BA,BB,BG,BH,BN,BR,BW,BY,BZ,CA,CH,CL,CN,CO,CR,CU,CZ,DE,DJ,DK,DM,DO,DZ,EC,EE,EG,ES,FI,GB,GD,GE,GH,GM,GT,HN,HR,HU,ID,IL,IN,IR,IS,JO,JP,KE,KG,KH,KN,KP,KR,KW,KZ,LA,LC,LK,LR,LS,LU,LY,MA,MD,ME,MG,MK,MN,MW,MX,MY,MZ,NA,NG,NI,NO,NZ,OM,PA,PE,PG,PH,PL,PT,QA,RO,RS,RU,RW,SA,SC,SD,SE,SG,SK,SL,SM,ST,SV,SY,TH,TJ,TM,TN,TR,TT,TZ,UA,UG,US,UZ,VC,VN,ZA,ZM,ZW.(84)Designated States(unless otherwise indicated,for everykind o f regional protection available):ARIPO(BW,GH,GM,KE,LR,LS,MW,MZ,NA,RW,SD,SL,ST,SZ,TZ,UG,ZM,ZW),Eurasian(AM,AZ,BY,KG,KZ,RU,TJ,TM),European(AL,AT,BE,BG,CH,CY,CZ,DE,DK,EE,ES,FI,FR,GB,GR,HR,HU,IE,IS,IT,LT,LU,LV,MC,MK,MT,NL,NO,PL,PT,RO,RS,SE,SI,SK,SM,TR),OAPI(BF,BJ,CF,CG,Cl,CM,GA,GN,GQ,GW,KM,ML,MR,NE,SN,TD,TG).Declarations under Rule4.17:—o f inventorship(Rule4.17(iv))Published:—with international search report(Art.21(3))—before the expiration o f the time limit for amending theclaims and to be republished in the event o f receipt o famendments(Rule48.2(h))(54)Title:STABLE PHYTOENE DESATURASE INHIBITOR HERBICIDE FORMULATION(57)Abstract:The present invention relates to a herbicidal formulation in the form of an emulsifiable concentrate formulation(later abbreviated as"EC formulation")for controlling grasses and weeds in crops of useful plants,which contains diflufenican and a solvent system comprising cyclohexyl acetate and a polar water-miscible co-solvent.STABLE PHYTOENE DESATURASE INHIBITOR HERBICIDE FORMULATIONRELATED APPLICATION/SThis application claims the benefit of priority of Australia Patent Application No.2018901539filed on7May2018,the contents of which are incorporated herein by reference in their entirety.The present invention relates to a herbicidal formulation in the form of an emulsifiable concentrate formulation(later abbreviated as“EC formulation”)for controlling grasses and weeds in crops of useful plants,which contains diflufenican and a solvent system comprising cyclohexyl acetate and a polar water-miscible co-solvent.The present invention further relates to an EC formulation comprising a mixture of diflufenican and picolinafen wherein the concentration of diflufenican is higher than20g/L, preferably higher than25g/L.An emulsifiable concentrate is a solvent-based system that contains active ingredients which are usually not soluble or not stable in water.These active ingredients have a fungicide, herbicide or insecticide action and are dissolved in an organic solvent together with the emulsifiers. EC formulations are widely used because of their simple way of manufacturing.For application in the field,such formulations are diluted in water,forming an oil-in-water emulsion that allows a homogeneous distribution of active ingredients.Because EC formulations are solvent-based,the physical properties can vary widely depending on the solvent system used.The solvent type can affect the product quality such as viscosity,stability upon storage and upon dilution and potential for phy to toxicity.Traditionally,organic solvents such as xylene and solvent naphtha are used as solvent in EC.These compounds show a high capability of dissolving a wide range of active ingredients because of the presence of aromatic groups.Alternative solvents are mineral and vegetable oils and their derivatives,especially esterified fatty acids and methylated seed oils.The emulsifying system also influences the stability of the emulsion after addition of water and thus the performance of the pesticides on the targeted pests or weeds.Suitable emulsifiers are usually blended and not used as a single component.Such a blend can consist of two non-ionic surfactants.A mixture of a non-ionic and an anionic surfactant is used more frequently.The ratio of the two components is critical to find the most suitable HLB for the solvent.HLB or the hydrophilic-lipophilic balance system is well known to those who are skilled in the art.This scale is based on the relative percentage of lipophilic and hydrophilic surfactants.。