WO2009012979A2 - Compositions herbicides - Google Patents

Compositions herbicides Download PDF

Info

Publication number
WO2009012979A2
WO2009012979A2 PCT/EP2008/005998 EP2008005998W WO2009012979A2 WO 2009012979 A2 WO2009012979 A2 WO 2009012979A2 EP 2008005998 W EP2008005998 W EP 2008005998W WO 2009012979 A2 WO2009012979 A2 WO 2009012979A2
Authority
WO
WIPO (PCT)
Prior art keywords
composition according
fatty acid
pyroxsulam
acid alkyl
alkyl ester
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.)
Ceased
Application number
PCT/EP2008/005998
Other languages
English (en)
Other versions
WO2009012979A3 (fr
Inventor
Willy T. RÜEGG
Matthew Robert Cordingley
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.)
Syngenta Participations AG
Syngenta Ltd
Original Assignee
Syngenta Participations AG
Syngenta Ltd
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
Application filed by Syngenta Participations AG, Syngenta Ltd filed Critical Syngenta Participations AG
Publication of WO2009012979A2 publication Critical patent/WO2009012979A2/fr
Publication of WO2009012979A3 publication Critical patent/WO2009012979A3/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • 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
    • A01N43/00—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds
    • A01N43/90—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having two or more relevant hetero rings, condensed among themselves or with a common carbocyclic ring system

Definitions

  • the present invention relates to herbicidal compositions which contain a mixture of the herbicide pyroxsulam and a fatty acid alkyl ester as adjuvant.
  • WO9424858 teaches that alkyl esters of fatty acids are effective at enhancing herbicidal activity by facilitating enhanced cuticle penetration of the target leaf.
  • ALS-inhibitors require an adjuvant to develop their full biological activity. It is also known that ALS-inhibitors show essentially the same improvement in herbicidal acitivity independently from the nature of the adjuvant used.
  • non-ionic surfactants such as nonyl- and octylphenol ethoxylates or fatty alcohol ethoxylates, minearal oil based crop oil concentrates, urea, ammonium nitrate and ammonium sulphate boost the biological efficacy of an ALS-inhibitor to a similar level.
  • a herbicidal composition with the ALS-inhibitor pyroxsulam shows an unexpected high improvement of the biological efficacy when a fatty acid alkyl ester is used as adjuvant.
  • the present invention accordingly relates to herbicidal compositions, which in addition to comprising formulation aids, comprises as active ingredient the herbicide pyroxsulam and, as adjuvant, a fatty acid alkyl ester.
  • Pyroxsulam is the ⁇ /-(5,7-dimethoxy[1 ,2,4]triazolo[1 ,5-a]pyrimidin-2-yl)-2-methoxy-4- (trifluoromethyl)pyridine-3-sulfonamide which is described, for example, in EP1242425.
  • Preferred fatty acid alkyl esters which are useful as adjuvants in the compositions according to the present invention are methyl, ethyl, propyl or butyl esters of preferably C 16 - to C 18 - fatty acids, which can be saturated or unsaturated.
  • the methyl esters are preferred. Mixtures of such fatty acid esters, in particular methyl esters, can be used, where preferably the mono-unsaturated C 18 -fatty acid methyl ester is the main component.
  • Such mixtures are commercially available, for example under the trade names AGNIQUE ME 18 RD-F®, AGNIQUE ME 181 G®, EDENOR ME SU®, AGRIMUL ME 2232 F®, EMEREST 2301®, all of Cognis and STEPOSOL ROE-W® of Stepan.
  • Other common names used for the fatty acid alkyl esters of the invention are methyl canolate, rape seed oil methyl ester, soy bean oil methyl ester, sunflower oil methyl ester.
  • the adjuvant may be added to the spray tank (so-called tank-mix adjuvant) or may be incorporated into the formulated herbicide composition (so-called built-in adjuvant).
  • tank-mix adjuvant a herbicide composition
  • built-in adjuvant Such built-in compositions are easy to use by farmers because a tank-mix adjuvant is no longer required. This results in easier handling and may also lead to significant cost savings in manufacture because production and packaging of a separate tank-mix adjuvant is not required any more.
  • Pyroxsulam particularly benefits from the use of a fatty acid alkyl ester adjuvant to enhance activity under field conditions.
  • This group of adjuvant is typically used at 0.2 to 2%, preferably 0.5% of the final spray volume.
  • a preferred composition according to the present invention contains 0.5 - 80 % pyroxsulam, preferably 2 - 20 %, more preferably 5 - 10 %; 2 - 80 % adjuvant, preferably 10 - 60 %, more preferably 15 - 40 %; 0 - 50 % emulsifiers, preferably 2 - 30 %, more preferably 2 - 10 % and 0 - 90 % solvents, preferably 10 - 60 %, more preferably 15 - 40 %.
  • the emulsifiers useful in the new compositions are known in the art and comprise, for example, salts of alkyl sulfates, such as diethanolammonium lauryl sulfate; salts of arylsulfonates, such as calcium dodecylbenzenesulfonate; alkylphenol-alkylene oxide addition products, such as nonylphenol ethoxylate; alcohol-alkylene oxide addition products, such as ethoxylated fatty alcohols, preferably C 16 to C 18 -alcohols, where the C 18 -alcohol is preferably mono-unsaturated, and also tridecyl alcohol ethoxylate; soaps, such as sodium stearate; salts of alkylnaphthalenesulfonates, such as sodium dibutylnaphthalenesulfonate; dialkyl esters of sulfosuccinate salts, such as sodium di(2-ethylhexyl)sul
  • Preferred solvents which are suitable for use in the new compositions are heavy aromatic hydrocarbon blends such as the commercially available SOLVESSO 200 ND (EU) ®.
  • the new compositions can comprise additional formulation aids known in the art such as crystallisation inhibitors, viscosity-modifying substances, suspending agents, dyes, antioxidants, foaming agents, light absorbers, mixing aids, anti-foams, complexing agents, neutralising or pH-modifying substances and buffers, corrosion-inhibitors, fragrances, wetting agents, absorption improvers, micronutrients, plasticisers, glidants, lubricants, dispersants, thickeners, anti-freezes, microbiocides, and also liquid and solid fertilisers.
  • additional formulation aids known in the art such as crystallisation inhibitors, viscosity-modifying substances, suspending agents, dyes, antioxidants, foaming agents, light absorbers, mixing aids, anti-foams, complexing agents, neutralising or pH-modifying substances and buffers, corrosion-inhibitors, fragrances, wetting agents, absorption improvers, micronutrients, plasticisers, glidants, lubricants, dispersants, thicken
  • the composition according to the present invention may contain a safener.
  • the safener is selected from the group consisting of cloquintocet-mexyl, mefenpyr-diethyl, cyprosulfamide and isoxadifen-ethyl.
  • These safeners are known and are described, for example, in the Pesticide Manual, eleventh ed., British Crop Protection Council, 1997 under entry numbers 154 (formula S1.3, cloquintocet) and 462 (formula S1.4, mefenpyr-diethyl), 377.
  • Isoxadifen-ethyl is known from DE-A-4331448, cyprosulfamide from EP-A-1019368.
  • a co-herbicide for pyroxsulam can be incorporated into the compositions according to the present invention. It is preferred to select the co-herbicide from the group consisting of aryloxy- and heteroaryloxyphenoxy propionic acids, cyclohexandiones, 3- hydroxy-4-aryl-5-oxo-pyrazolines, sulfonyl urea, triazolopyrimidines, nitriles, thiocarbamates, dinitroanilines, benzoic acids, phenoxy acids and pyridine carboxylicacids.
  • the co-herbicide from the group consisting of aryloxy- and heteroaryloxyphenoxy propionic acids, cyclohexandiones, 3- hydroxy-4-aryl-5-oxo-pyrazolines, sulfonyl urea, triazolopyrimidines, nitriles, thiocarbamates, dinitroanilines, benzoic acids, phenoxy acids and pyr
  • compositions according to the present invention are prepared in the form of an emulsifiable concentrate (EC), oil dispersion (OD), wettable powder (WP), wettable granules (WG), suspension concentrate (SC), suspo-emulsion (SE) or emulsion in water (EW), but it is also possible that the emulsions are present in the form of gels, water- dispersible tablets, effervescent compressed tablets, microemulsifiable concentrates, oil-in- water emulsions, oil flowables, aqueous dispersions, capsule suspensions, emulsifiable granules, or in other forms known, for example, from the Manual on Development and Use of FAO Specifications for Plant Protection Products, 5th Edition, 1999.
  • EC emulsifiable concentrate
  • OD oil dispersion
  • WP wettable powder
  • WG wettable granules
  • SC suspension concentrate
  • SE suspo-emulsion
  • EW
  • Diluted formulations can be prepared, for example, with water, liquid fertilisers, micronutrients, biological organisms, oil or solvents. Particularly preferred are the emulsifiable concentrate (EC), oil dispersion (OD), wettable powder (WP), wettable granules (WG) and suspension concentrate (SC).
  • EC emulsifiable concentrate
  • OD oil dispersion
  • WP wettable powder
  • WG wettable granules
  • SC suspension concentrate
  • the formulations can be prepared, for example, by mixing the active ingredient (i.e.pyroxsulam, optionally in combination with a co-herbicide and/or a safener) with adjuvants and other co-formulants in order to obtain compositions in the form of solutions, dispersions or emulsions.
  • the active ingredients can also be contained in very fine microcapsules.
  • Microcapsules are usually spherical particles which consist of a core surrounded by a polymeric capsule wall. This enables the active ingredients to be released into their surroundings in controlled amounts (e.g. slow release). Microcapsules usually have a diameter of from 0.1 to 500 microns. They contain active ingredients in an amount of about from 25 to 95 % by weight of the capsule weight.
  • the active ingredients can be present in the form of a monolithic solid, in the form of fine particles in solid or liquid dispersion or in the form of a suitable solution.
  • the encapsulating membranes comprise, for example, natural and synthetic gums, cellulose, styrene-butadiene copolymers, polyacrylonitrile, polyacrylate, polyester, polyamides, polyureas, polyurethane or chemically modified polymers and starch xanthates or other polymers that are known to the person skilled in the art in this connection.
  • the finely ground active compound is intimately mixed with the additives. This gives a formulation, from which emulsions, solutions or suspensions of any desired concentration can be prepared by dilution with water.
  • the invention relates also to a method for inhibiting or controlling undesirable plant growth, wherein a herbicidally effective amount of the composition according to the present invention is applied to the plants or their habitat.
  • Crops of useful plants in which the compositions according to the invention can be used include especially winter- and spring-cereals, in particular wheat, durum wheat and barley.
  • the term "crops” is to be understood as also including crops that have been rendered tolerant to herbicides or classes of herbicides (for example ALS, GS, EPSPS, PPO and HPPD inhibitors) as a result of conventional methods of breeding or genetic engineering.
  • herbicides or classes of herbicides for example ALS, GS, EPSPS, PPO and HPPD inhibitors
  • An example of a crop that has been rendered tolerant e.g. to imidazolinones, such as imazamox, by conventional methods of breeding is Clearfield® summer rape (Canola).
  • crops that have been rendered tolerant to herbicides by genetic engineering methods include e.g.
  • the weeds to be controlled may be both monocotyledonous and dicotyledonous weeds, such as, for example, for example, Stellaria, Apera, Digitaria, Avena, Setaria, Sinapis, Lolium, Solanum, Echinochloa, Bromus, Alopecurus, Abutilon, Amaranthus, Chenopodium, Chrysanthemum, Galium, Kochia, Viola, Polygonum, Myosotis, Matricaria, Sinapis, Papaver , Veronica and volunteer oils seed rape or other volunteer crops.
  • Stellaria Apera, Digitaria, Avena, Setaria, Sinapis, Lolium, Solanum, Echinochloa, Bromus, Alopecurus, Abutilon, Amaranthus, Chenopodium, Chrysanthemum, Galium, Kochia, Viola, Polygonum, Myosotis, Matricaria, Sinapis, Papaver , Veronica and volunteer oils
  • Crops are also to be understood as being those which have been rendered resistant to harmful insects by genetic engineering methods, for example Bt maize (resistant to European corn borer), Bt cotton (resistant to cotton boll weevil) and also Bt potatoes (resistant to Colorado beetle).
  • Bt maize are the Bt-176 maize hybrids of NK® (Syngenta Seeds).
  • the Bt toxin is a protein that is formed naturally by Bacillus thuringiensis soil bacteria. Examples of toxins and transgenic plants able to synthesise such toxins are described in EP-A-451 878, EP-A-374 753, WO 93/07278, WO 95/34656, WO 03/052073 and EP-A-427 529.
  • transgenic plants that contain one or more genes which code for an insecticidal resistance and express one or more toxins are KnockOut® (maize), Yield Gard® (maize), NuCOTIN33BC (cotton), Bollgard® (cotton), NewLeaf® (potatoes), NatureGard® and Protexcta®.
  • Plant crops and their seed material can be resistant to herbicides and at the same time also to insect feeding ("stacked" transgenic events). Seed can, for example, have the ability to express an insecticidally active Cry3 protein and at the same time be glyphosate-tolerant.
  • the term "crops" is to be understood as also including crops obtained as a result of conventional methods of breeding or genetic engineering which contain so-called output traits (e.g. improved flavour, storage stability, nutritional content).
  • Areas under cultivation are to be understood as including land where the crop plants are already growing as well as land intended for the cultivation of those crop plants.
  • Test species are winter wheat, winter barley and a range of grassweeds: Avena fatua [AVEFA; wild oat], Lolium multiflorum [LOLMU; Italian ryegrass], Phalaris paradoxa [PHAPA; canarygrass] and Bromus tectorum [BROTE; bromegrass].
  • Applications are made at the 1 to 2 leaves stage (Zadok 11 ) using a 1 % stock solution of pyroxsulam with adjuvant (vol%) and diluted in 200I of water in a tracksprayer; the soil is a standard, non sterilised sandy loam.
  • Treatments Pyroxsulam at 2 and 4g ai/ha in combination with the recommended amount of a known adjuvant which is either 0.5% Adigor® (rape seed oil methyl ester based; according to the invention), 0.2% X-77® (alkylphenol ethoxylate based) and 1 % Crop Oil Concentrate® (mineral oil based).
  • Adigor® rape seed oil methyl ester based; according to the invention
  • X-77® alkylphenol ethoxylate based
  • Crop Oil Concentrate® mineral oil based
  • Adigor® improves the weed control levels at both rates while keeping the crop tolerance levels in acceptable limits.
  • X-77® and COC® are less effective than Adigor® in weed control and they show an unacceptable increase in damages on the crops (20% damages on the crops are considered acceptable.)
  • Adigor® enhances the weed control activity to a higher level than X-77® and COC® is of great benefit when the application of the inventive composition occurs under dry conditions or on weeds with strong wax layers.

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

Abstract

L'invention porte sur une composition herbicide contenant du pyroxsulam et un ester alkylique d'un acide gras comme adjuvant.
PCT/EP2008/005998 2007-07-24 2008-07-22 Compositions herbicides Ceased WO2009012979A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB0714451.2 2007-07-24
GB0714451A GB0714451D0 (en) 2007-07-24 2007-07-24 Herbicidal compositions

Publications (2)

Publication Number Publication Date
WO2009012979A2 true WO2009012979A2 (fr) 2009-01-29
WO2009012979A3 WO2009012979A3 (fr) 2009-07-30

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PCT/EP2008/005998 Ceased WO2009012979A2 (fr) 2007-07-24 2008-07-22 Compositions herbicides

Country Status (4)

Country Link
AR (1) AR067647A1 (fr)
CL (1) CL2008002155A1 (fr)
GB (1) GB0714451D0 (fr)
WO (1) WO2009012979A2 (fr)

Cited By (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011044022A1 (fr) * 2009-10-06 2011-04-14 Dow Agrosciences Llc Emulsions huile dans eau stables
WO2012009489A3 (fr) * 2010-07-15 2012-06-07 Dow Agrosciences Llc Compositions d'herbicide solides avec adjuvant intégré
CN102487951A (zh) * 2011-12-01 2012-06-13 联保作物科技有限公司 一种小麦田除草组合物及其制剂
CN103238597A (zh) * 2012-02-10 2013-08-14 中国中化股份有限公司 肟草酮组合物
EP2666355A1 (fr) * 2012-05-21 2013-11-27 Cheminova A/S Compositions aqueuses herbicides comprenant des esters dýacide gras
CN103518746A (zh) * 2013-09-12 2014-01-22 广东中迅农科股份有限公司 一种用于防除小麦田杂草的除草组合物
JP2015501790A (ja) * 2011-11-14 2015-01-19 シンジェンタ パーティシペーションズ アクチェンゲゼルシャフト キノリンカルボン酸の調製方法
CN105360142A (zh) * 2015-11-27 2016-03-02 陕西上格之路生物科学有限公司 一种含炔草酯的三元除草组合物
EP2627180A4 (fr) * 2010-10-12 2016-03-23 Dow Agrosciences Llc Inhibition de croissance d'herbes de fourrage pérennes avec du pyroxsulame
CN105532683A (zh) * 2016-02-23 2016-05-04 陕西上格之路生物科学有限公司 一种含三甲苯草酮和啶磺草胺的除草组合物
US9445591B2 (en) 2012-01-25 2016-09-20 Dow Agrosciences Llc Solid herbicide compositions with built-in adjuvant
CN106386799A (zh) * 2016-08-31 2017-02-15 北京明德立达农业科技有限公司 一种油悬浮剂及其制备方法和应用
CN106538559A (zh) * 2016-10-31 2017-03-29 广东中迅农科股份有限公司 一种含有苯唑草酮和啶磺草胺的除草组合物
CN108432780A (zh) * 2018-04-02 2018-08-24 郑州裕通化工有限公司 一种麦田除草剂及其制备方法
CN108495554A (zh) * 2016-01-19 2018-09-04 美国陶氏益农公司 用于安全化啶磺草胺组合物的克昆妥盐

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EA012031B1 (ru) * 2002-12-13 2009-06-30 Байер Кропсайенс Аг Гербицидный масляный суспензионный концентрат, способ его получения, применения и способ борьбы с сорными растениями
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US8476193B2 (en) 2009-10-06 2013-07-02 Dow Agrosciences, Llc. Stable oil-in-water emulsions
EA021090B1 (ru) * 2009-10-06 2015-04-30 ДАУ АГРОСАЙЕНСИЗ ЭлЭлСи Стабильные эмульсии типа "масло в воде"
CN102711453B (zh) * 2009-10-06 2014-07-16 陶氏益农公司 稳定的水包油乳液
CN102711453A (zh) * 2009-10-06 2012-10-03 陶氏益农公司 稳定的水包油乳液
WO2011044022A1 (fr) * 2009-10-06 2011-04-14 Dow Agrosciences Llc Emulsions huile dans eau stables
US8449917B2 (en) 2010-07-15 2013-05-28 Dow Agrosciences, Llc Solid herbicide compositions with built-in adjuvant
AP3538A (en) * 2010-07-15 2016-01-13 Dow Agrosciences Llc Solid herbicide compositions with built-in adjuvant
JP2013531042A (ja) * 2010-07-15 2013-08-01 ダウ アグロサイエンシィズ エルエルシー 組み込みアジュバントを含む固形除草剤組成物
KR101927550B1 (ko) * 2010-07-15 2018-12-10 다우 아그로사이언시즈 엘엘씨 내장식 아쥬반트를 갖는 고체 제초제 조성물
CN103108545A (zh) * 2010-07-15 2013-05-15 陶氏益农公司 含有内在助剂的固体除草剂组合物
CN105766899A (zh) * 2010-07-15 2016-07-20 陶氏益农公司 含有内在助剂的固体除草剂组合物
AU2011279176B2 (en) * 2010-07-15 2015-02-26 Corteva Agriscience Llc Solid herbicide compositions with built-in adjuvant
WO2012009489A3 (fr) * 2010-07-15 2012-06-07 Dow Agrosciences Llc Compositions d'herbicide solides avec adjuvant intégré
TWI498084B (zh) * 2010-07-15 2015-09-01 Dow Agrosciences Llc 具有自附佐劑之固態除草劑組成物
EA022128B1 (ru) * 2010-07-15 2015-11-30 ДАУ АГРОСАЙЕНСИЗ ЭлЭлСи Твердые гербицидные композиции с неотъемлемым вспомогательным средством
EP2627180A4 (fr) * 2010-10-12 2016-03-23 Dow Agrosciences Llc Inhibition de croissance d'herbes de fourrage pérennes avec du pyroxsulame
CN106962370A (zh) * 2010-10-12 2017-07-21 陶氏益农公司 用甲氧磺草胺生长抑制多年生饲草
JP2015501790A (ja) * 2011-11-14 2015-01-19 シンジェンタ パーティシペーションズ アクチェンゲゼルシャフト キノリンカルボン酸の調製方法
CN102487951B (zh) * 2011-12-01 2013-11-06 联保作物科技有限公司 一种小麦田除草组合物及其制剂
CN102487951A (zh) * 2011-12-01 2012-06-13 联保作物科技有限公司 一种小麦田除草组合物及其制剂
US9445591B2 (en) 2012-01-25 2016-09-20 Dow Agrosciences Llc Solid herbicide compositions with built-in adjuvant
CN103238597A (zh) * 2012-02-10 2013-08-14 中国中化股份有限公司 肟草酮组合物
EP2666355A1 (fr) * 2012-05-21 2013-11-27 Cheminova A/S Compositions aqueuses herbicides comprenant des esters dýacide gras
CN103518746B (zh) * 2013-09-12 2016-07-20 广东中迅农科股份有限公司 一种用于防除小麦田杂草的除草组合物
CN103518746A (zh) * 2013-09-12 2014-01-22 广东中迅农科股份有限公司 一种用于防除小麦田杂草的除草组合物
CN105360142A (zh) * 2015-11-27 2016-03-02 陕西上格之路生物科学有限公司 一种含炔草酯的三元除草组合物
CN108495554A (zh) * 2016-01-19 2018-09-04 美国陶氏益农公司 用于安全化啶磺草胺组合物的克昆妥盐
CN108495554B (zh) * 2016-01-19 2021-08-03 美国陶氏益农公司 用于安全化啶磺草胺组合物的克昆妥盐
CN105532683A (zh) * 2016-02-23 2016-05-04 陕西上格之路生物科学有限公司 一种含三甲苯草酮和啶磺草胺的除草组合物
CN106386799A (zh) * 2016-08-31 2017-02-15 北京明德立达农业科技有限公司 一种油悬浮剂及其制备方法和应用
CN106386799B (zh) * 2016-08-31 2018-10-16 北京明德立达农业科技有限公司 一种油悬浮剂及其制备方法和应用
CN106538559A (zh) * 2016-10-31 2017-03-29 广东中迅农科股份有限公司 一种含有苯唑草酮和啶磺草胺的除草组合物
CN108432780A (zh) * 2018-04-02 2018-08-24 郑州裕通化工有限公司 一种麦田除草剂及其制备方法

Also Published As

Publication number Publication date
GB0714451D0 (en) 2007-09-05
CL2008002155A1 (es) 2008-11-21
AR067647A1 (es) 2009-10-21
WO2009012979A3 (fr) 2009-07-30

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