CN101755813A - Thiamethoxam-containing pesticidal composition and application thereof - Google Patents

Thiamethoxam-containing pesticidal composition and application thereof Download PDF

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Publication number
CN101755813A
CN101755813A CN200910139727A CN200910139727A CN101755813A CN 101755813 A CN101755813 A CN 101755813A CN 200910139727 A CN200910139727 A CN 200910139727A CN 200910139727 A CN200910139727 A CN 200910139727A CN 101755813 A CN101755813 A CN 101755813A
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China
Prior art keywords
propyl ether
thiophene worm
worm piperazine
pyrrole propyl
grams
Prior art date
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Pending
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CN200910139727A
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Chinese (zh)
Inventor
曹明章
文伯健
朱卫锋
孙华英
张洪
刘胜召
孔建
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Shenzhen Noposion Agrochemicals Co Ltd
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Shenzhen Noposion Agrochemicals Co Ltd
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Priority to CN200910139727A priority Critical patent/CN101755813A/en
Publication of CN101755813A publication Critical patent/CN101755813A/en
Pending legal-status Critical Current

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Abstract

The invention discloses a pesticidal composition, wherein active components are thiamethoxam and pyriproxyfen. The pesticidal composition has a notable synergistic effect on agricultural pest control, particularly the control of resistant rice planthoppers and whiteflies. When the pesticidal composition is used in fields, the dosage of the pesticidal composition in fields can be greatly reduced, environment pollution and pesticide residue can be reduced, and the resistance of pests can be delayed.

Description

A kind of Pesticidal combination and application thereof that contains thiophene worm piperazine
Technical field
The present invention relates to a kind of composition pesticide and application thereof, particularly contain the complex composition of thiophene worm piperazine and the application of pest control thereof.
Background technology
In agricultural production, breeding amount is big, the tangible insect of generation overlap, and is very fast as the resistance generation speed of insects such as plant hopper, aphid, aleyrodid, thrips, and the speed of exploitation new varieties of pesticides does not catch up with the resistance development speed of insect far away.So, the composite of agricultural chemicals just seems very valuable, and particularly the different medicament of the mechanism of action is composite, can improve drug effect, and the development of delaying drug resistance, to prolong the service life of effective ingredient.
Thiophene worm piperazine, english common name thiamethoxam, chemical name 3-(2-chloro-5-thiazolyl methyl)-5-methyl-N-nitro-4H-1,3,5-tetrahydrochysene.Thiophene worm piperazine belongs to second generation anabasine insecticide, and its mechanism of action is inhibition insect central nervous system nicotinic acid acetylcholinesterase acceptor, and then the normal conduction of blocking-up insect central nervous system, and it is dead to cause insect paralysis to occur.Thiophene worm piperazine have tag, stomach toxicity, interior absorption, and have active high, characteristics such as effect is fast rapidly, the lasting period is long, especially Homoptera, thrips insect are had good preventive effect.But owing to use for many years, a lot of insects produce resistance to it, thereby cause control efficiency to descend.
The pyrrole propyl ether has another name called pyriproxyfen, english common name pyriproxyfen, and chemical name 4-Phenoxyphenyl (RS)-2-(2-pyridine radicals oxygen) propyl ether belongs to chitin synthesis inhibitor, can suppress the growth of larva.It is reported that the pyrrole propyl ether all has efficiently Homoptera, thrips, Diptera pest, and to crop and Environmental security.And present in the pyrrole propyl ether product that China registers, the overwhelming majority belongs to hygienic insecticide, is mainly used in control mosquito, fly, blattaria etc., uses considerably less on crops.
Composite and the application of thiophene worm piperazine and pyrrole propyl ether does not at present still have report.
Summary of the invention
The purpose of this invention is to provide a kind of Synergistic insecticidal compositions, another purpose provides the application of said composition in control of insect.
For solving the problems of the technologies described above, the inventor is by a large amount of biologicall test screenings, find that thiophene worm piperazine and pyrrole propyl ether are composite with certain proportion, antagonism rice fulgorid and trialeurodes vaporariorum have obvious synergistic effect, to other insects, good field control effect is also arranged as homoptera pests such as thrips, aphid, Bemisia tabaci, leafhopper.
Technical scheme of the present invention is: a kind of Pesticidal combination, its active ingredient are thiophene worm piperazine and pyrrole propyl ether, and the mass ratio of thiophene worm piperazine and pyrrole propyl ether is 50: 1~1: 50, and preferred ratio is 10: 1~1: 30.The present composition can be processed into the preparation of dosage forms by present known method, suitable formulation comprises missible oil, microemulsion, aqueous emulsion, suspending agent, wetting powder, water dispersible granules, described thiophene worm piperazine and the pyrrole propyl ether gross mass content in preparation is 1%-65%, preferred 5%-50%.
The present composition can be used for preventing and treating the insect that harms the crops, and especially prevents and treats homoptera pests such as rice fulgorid, trialeurodes vaporariorum, thrips, leafhopper, Bemisia tabaci, aphid, more specifically is fit to control produces resistance to conventional dose insects such as plant hopper, aleyrodid.
Composition pesticide of the present invention compared with prior art produces following beneficial effect: (1) is compared with single agent, has obviously improved control efficiency; (2) resistanc pest control efficiency such as antagonism property of medicine rice fulgorid, Bemisia tabaci are good; (3) can significantly reduce the field dosage, effectively reduce environmental pollution and residue of pesticide, reduce harm beneficial organism; (4) mechanism of action of both active ingredients is different in the composition, and the application of composition helps to delay pest resistance development, prolongs medicament service life.
Embodiment
After different pesticide species are mixed, show three kinds of type of action usually, promptly summation action, synergistic effect and antagonism act on but which kind of is specially, and be unpredictable, has only by a large amount of tests and just can know.The compound synergic prescription can obviously improve actual control efficiency, reduces the usage amount of agricultural chemicals, helps to delay the generation speed of pest resistance to insecticide.
The inventor finds that by a large amount of screening tests thiophene worm piperazine and pyrrole propyl ether applied in any combination have remarkable role in synergy to rice fulgorid, and this can know from following biologicall test example and find out.
Biologicall test test example:
(1) test medicine
The former medicine of 98% thiophene worm piperazine (just reaching earlier (Suzhou) crop protection Co., Ltd);
The former medicine of 95% pyrrole propyl ether (Shengnong Biological-Chemical Products Co., Ltd., Shanghai);
Former medicine is mixed with according to a conventional method the test medicine that needs.
(2) subjects
Paddy rice brown planthopper (Nilaparvata lugens (Stal)): pick up from Lingshui, Hainan field resistance strain, the indoor feeding first generation.
Trialeurodes vaporariorum Trialeurodes vaporarioru (Westwood): pick up from beautiful rule food market, Shenzhen, the indoor feeding first generation.
(3) test method
Brown planthopper: test method is with reference to " the agricultural industry criteria NY/T1154.11-2008 of the People's Republic of China (PRC) ", adopt rice stem infusion process: extract with root the rice strain at healthy and strong tillering stage to booting initial stage, clean, be cut into the long band root rice stem of 15cm, one group of 3 strain locate to dry in the air not have washmarking to the surface in the cool place.The rice stem was soaked 30 seconds in the good medicament of dilution respectively, after taking-up is dried, encase root with the absorbent cotton that soaks and put into the cultivation cup, draw 3 mid-term in age nymph put into and cultivate cup, 20 every glass, put temperature and be 27 ℃, photoperiod and be 16h: 8h (L: raise in incubator D), the clear water contrast, each concentration repeats 3 times.Check death toll after 4 days.
Trialeurodes vaporariorum: test method is with reference to " the agricultural industry criteria NY/T1154.14-2008 of the People's Republic of China (PRC) ", adopt leaf dipping method: win the fresh tomato blade and be placed on to dilute and take out, be placed on indoor drying after soaking 10s in the good soup, be placed on then in the culture dish of diameter 9cm, each culture dish is put 1 tomato leaf.Trialeurodes vaporariorum nymph in 2 age is chosen in the culture dish gently, and every ware has 30 of nymphs, is that culture dish seals with preservative film, pricks several apertures and be beneficial to breathe freely on preservative film.Put temperature then and be 21 ℃, photoperiod and be 16h: 8h (L: raise in incubator D), the clear water contrast, each concentration repeats 3 times.After 48 hours, under binocular microscope, check death condition (touch the trialeurodes vaporariorum adult gently with dissecting needle, the motionless person of health is dead).
(4) statistical analysis
Carry out statistical analysis with the DPS data processing software, calculate the LC of each medicament 50And 95% confidence limit, estimate the insecticidal activity of reagent agent with this to the examination worm.
The co-toxicity coefficient of mixture (CTC value) calculates by following formula:
ATI = S M × 100
In the formula:
ATI---mixture actual measurement toxicity index;
The LC of S---standard insecticide 50, unit is mg/litre (mg/L);
The LC of M---mixture 50, unit mg/litre (mg/L).
TTI=TI AxP A+TI BxP B
In the formula:
The theoretical toxicity index of TTI---mixture;
TI A----A medicament toxicity index;
P AThe percentage composition of-----A medicament in mixture, unit is a percentage;
TI B----B medicament toxicity index;
P BThe percentage composition of-----B medicament in mixture, unit is a percentage.
CTC = ATI TTI × 100
In the formula:
The CTC----co-toxicity coefficient;
ATI---mixture actual measurement toxicity index;
The theoretical toxicity index of TTI---mixture.
Composite dose co-toxicity coefficient (CTC) 〉=120 shows as synergistic effect; CTC≤80 show as antagonism; 80<CTC<120 show as summation action.
(5) result and analysis
The different proportionings with the pyrrole propyl ether of thiophene worm piperazine the results are shown in Table 1. to the toxicity test of brown planthopper (to the Imidacloprid resistance more than 160 times)
Table 1, different disposal are to the toxicity test result of brown planthopper
Medicament ??LC 50(mg/L) ??ATI ??TTI ??CTC
Thiophene worm piperazine ??4.12 ??100.00 ??/ ??/
The pyrrole propyl ether ??0.67 ??614.93 ??/ ??/
Thiophene worm piperazine: pyrrole propyl ether=50: 1 ??3.01 ??136.88 ??110.10 ??124.32
Thiophene worm piperazine: pyrrole propyl ether=10: 1 ??1.40 ??294.29 ??146.81 ??200.45
Thiophene worm piperazine: pyrrole propyl ether=3: 1 ??0.82 ??502.44 ??228.73 ??219.66
Medicament ??LC 50(mg/L) ??ATI ??TTI ??CTC
Thiophene worm piperazine: pyrrole propyl ether=1: 1 ??0.53 ??777.36 ??357.46 ??217.47
Thiophene worm piperazine: pyrrole propyl ether=1: 5 ??0.35 ??1177.14 ??529.10 ??222.48
Thiophene worm piperazine: pyrrole propyl ether=1: 20 ??0.34 ??1211.76 ??590.41 ??205.24
Thiophene worm piperazine: pyrrole propyl ether=1: 50 ??0.41 ??1004.88 ??604.83 ??166.14
By table 1 as seen: each proportioning of thiophene worm piperazine and pyrrole propyl ether all shows as synergistic effect, wherein thiophene worm piperazine: the co-toxicity coefficient of pyrrole propyl ether=10: 1~between 1: 20 is bigger, and all more than 200, synergistic effect is more obvious.
The different proportionings with the pyrrole propyl ether of thiophene worm piperazine the results are shown in Table 2 to the toxicity test of trialeurodes vaporariorum.
Table 2, different disposal are to the toxicity test result of trialeurodes vaporariorum
Medicament ??LC 50(mg/L) ??ATI ??TTI ??CTC
Thiophene worm piperazine ??15.20 ??100.00 ??/ ??/
The pyrrole propyl ether ??7.89 ??192.65 ??/ ??/
Thiophene worm piperazine: pyrrole propyl ether=30: 1 ??10.31 ??147.43 ??102.99 ??143.15
Thiophene worm piperazine: pyrrole propyl ether=10: 1 ??9.64 ??157.68 ??108.42 ??145.43
Thiophene worm piperazine: pyrrole propyl ether=5: 1 ??7.00 ??217.14 ??115.44 ??188.10
Thiophene worm piperazine: pyrrole propyl ether=1: 1 ??4.12 ??368.93 ??184.23 ??200.26
Thiophene worm piperazine: pyrrole propyl ether=1: 10 ??4.12 ??368.93 ??189.66 ??194.52
Thiophene worm piperazine: pyrrole propyl ether=1: 30 ??4.2 ??361.90 ??190.39 ??190.09
Thiophene worm piperazine: pyrrole propyl ether=1: 50 ??5.09 ??298.62 ??190.83 ??156.49
By table 2 as seen: each proportioning of thiophene worm piperazine and pyrrole propyl ether all shows certain synergistic effect, wherein thiophene worm piperazine: pyrrole propyl ether=5: 1-1: the co-toxicity coefficient between 30 is bigger, and all more than 188, synergistic effect is more obvious.
In order to make purpose of the present invention, technical scheme and advantage clearer, the present invention further describes with following specific embodiment.If no special instructions, the ratio of below mentioning (comprising percentage) all is a mass ratio.
Embodiment 1
Take by weighing former medicine 2.55 grams of 98% thiophene worm piperazine, former medicine 2.63 grams of 95% pyrrole propyl ether, calcium dodecyl benzene sulfonate (emulsifier) 5 grams, OPEO (emulsifier) 4 grams, dimethylbenzene (solvent) are supplied gross weight to 100 gram.The method that above raw material is prepared missible oil routinely drops in the mixing kettle mixes, and forms 5% thiophene worm piperazine pyrrole propyl ether (1: 1) missible oil.
This formula test is used to prevent and treat the high anti-population of field rice fulgorid (to the resistance of Imidacloprid more than 160 times), dilutes by active ingredient 3 gram/mus and spray, 1 day, 7 days, 15 days control efficiency are respectively 79.2%, 96.1% and 94.2 behind the medicine; 25% thiophene worm piperazine water dispersible granules is by the spraying of active ingredient 4 gram/mus, and 1 day, 7 days, 15 days control efficiency are respectively 71.0%, 87.1% and 79.10% behind the medicine; 10% pyrrole propyl ether missible oil is according to the spraying of active ingredient 5g/ mu, and 1 day, 7 days, 15 days control efficiency are respectively 57.5%, 86.7% and 89.2% behind the medicine; 10% Imidacloprid missible oil is according to the spraying of active ingredient 10g/ mu, and 1 day, 7 days, 15 days control efficiency are respectively 37.5%, 46.7% and 19.2% behind the medicine.This shows that composite dose of present embodiment is very excellent to the control efficiency of rice fulgorid resistant population, and than the consumption of single agent still less, preventive effect is higher; Lasting period than thiophene worm piperazine and pyrrole propyl ether is longer, and is better than the quick-acting of pyrrole propyl ether.
Embodiment 2
Take by weighing the former medicine of 98% thiophene worm piperazine 2.04 grams, former medicine 21.05 grams of 95% pyrrole propyl ether, alkylaryl polyoxyethylene polyoxypropylene ether (wetting dispersing agent) 6 grams, poly-naphthaldehyde sulfonate sodium (wetting dispersing agent) 3 grams, xanthans (thickener) 1 gram, glycerine (antifreezing agent) 4 grams, water and supply gross weight to 100 gram.Active component, wetting dispersing agent and water are mixed, after grinding, obtain 22% thiophene worm piperazine pyrrole propyl ether (1: 10) suspending agent.
This prescription is used to prevent and treat the greenhouse tomato trialeurodes vaporariorum, dilute sprays by active ingredient 4 gram/mus, 3 days, 7 days and 15 days control efficiency are 89.2%, 91.8% and 90.5% behind the medicine; 25% thiophene worm piperazine water dispersible granules is by active ingredient 6g/ mu spraying, and 3 days, 7 days and 15 days control efficiency are 79.1%, 81.8% and 74.1% behind the medicine; 10% pyrrole propyl ether missible oil is according to active ingredient 6g/ mu spraying, and 3 days, 7 days and 15 days control efficiency are 82.1%, 87.5% and 86.7% behind the medicine.This shows that composite dose is lacked than single agent consumption and preventive effect is higher, efficiency time is also longer.
Embodiment 3
Take by weighing the former medicine of 98% thiophene worm piperazine 1.02 grams, former medicine 42.11 grams of 95% pyrrole propyl ether, sodium lignin sulfonate (wetting dispersing agent) 4 grams, poly-naphthaldehyde sulfonate sodium (wetting dispersing agent) 2 grams, ammonium sulfate (disintegrant) 4 grams, soluble starch (binding agent) 1 gram, white carbon (interleaving agent) 20 grams, precipitated calcium carbonate (filler) and supply gross weight to 100 gram.Active component, wetting dispersing agent, disintegrant and filler etc. are mixed, become wetting powder, add a certain amount of water mixing extruder grain again through comminution by gas stream.Obtain 41% thiophene worm piperazine pyrrole propyl ether (1: 40) water dispersible granules after the drying screening.
This prescription is used for anti-eliminating aphis, by active ingredient 4 gram/mus dilution spraying, 3 days control efficiency are that 94.44%, 25% thiophene worm piperazine water dispersible granules and 10% pyrrole propyl ether missible oil are sprayed according to active ingredient 4 gram/mus behind the medicine, and 3 days preventive effects are respectively 89.14% and 68.84% behind the medicine.
Embodiment 4
Take by weighing the former medicine of 98% thiophene worm piperazine 10.20 grams, former medicine 1.05 grams of 95% pyrrole propyl ether, calcium dodecyl benzene sulfonate (emulsifier) 5 grams, agricultural newborn 600# (emulsifier) 5 grams, N-Methyl pyrrolidone (solvent) 5 grams, propane diols (antifreezing agent) 4 grams, dimethyl silicone polymer (defoamer) 0.3 gram, deionized water and supply gross weight to 100 gram.Former medicine, solvent, emulsifier are added together, make and be dissolved into even oil phase; With water-soluble component and the mixed water that gets of water; Under high-speed stirred, oil phase is mixed with water, make 11% thiophene worm piperazine pyrrole propyl ether (10: 1) aqueous emulsion.
Should fill a prescription by active ingredient 4 gram/mus dilution spraying, be used to prevent and treat the eggplant thrips.5 days control efficiency are that 90.5%, 25% thiophene worm piperazine water dispersible granules and 10% pyrrole propyl ether missible oil are sprayed by the dilution of active ingredient 4 gram/mus behind the medicine, and 5 days preventive effects are respectively 86.45% and 76.66% behind the medicine.
Embodiment 5
Take by weighing the former medicine of 98% thiophene worm piperazine 10.20 grams, former medicine 0.53 gram of 95% pyrrole propyl ether, calcium dodecyl benzene sulfonate (emulsifier) 3 grams, agricultural newborn 600# (emulsifier) 5 grams, dimethylbenzene (solvent) 15 grams, propane diols (antifreezing agent) 14 grams, water and supply gross weight to 100 gram.Active component use earlier dissolution with solvents, even by ratio adding antifreezing agent, the emulsifier of prescription, under agitation mixture is added in the entry, be stirred to and obtain 10.5% thiophene worm piperazine pyrrole propyl ether (20: 1) microemulsion after even.
Embodiment 6
Take by weighing the former medicine of 98% thiophene worm piperazine 51.02 grams, former medicine 1.05 grams of 95% pyrrole propyl ether, sodium lignin sulfonate (wetting dispersing agent) 4 grams, poly-naphthaldehyde sulfonate sodium (wetting dispersing agent) 2 grams, urea (disintegrant) 4 grams, soluble starch (binding agent) 1 gram, white carbon (interleaving agent) 20 grams, precipitated calcium carbonate (filler) and supply gross weight to 100 gram.Active component, wetting dispersing agent, disintegrant and filler etc. are mixed, become wetting powder, add a certain amount of water mixing extruding again and make material through comminution by gas stream.Obtain 51% thiophene worm piperazine pyrrole propyl ether (50: 1) water dispersible granules after the drying screening.
Embodiment 7
Take by weighing the former medicine of 98% thiophene worm piperazine 20.41 grams, former medicine 21.05 grams of 95% pyrrole propyl ether, lauryl sodium sulfate (wetting agent) 2 grams, sodium lignin sulfonate (dispersant) 5 grams, naphthalene sulfonate (dispersant) 3 grams, kaolin (carrier) and complement to 100 grams.Active component, various auxiliary agent and filler etc. are fully mixed in the ratio of prescription, after ultrafine crusher is pulverized, promptly get 40% thiophene worm piperazine pyrrole propyl ether (1: 1) wetting powder.

Claims (7)

1. composition pesticide, it is characterized in that: effective ingredient is thiophene worm piperazine and pyrrole propyl ether.
2. composition pesticide according to claim 1 is characterized in that: the mass ratio of thiophene worm piperazine and pyrrole propyl ether is 50: 1-1: 50.
3. according to claim 2, it is characterized in that: the mass ratio of thiophene worm piperazine and pyrrole propyl ether is 10: 1-1: 30.
According to claim 1 to 3 each, the formulation that it is characterized in that composition pesticide is missible oil, microemulsion, aqueous emulsion, water dispersible granules, wetting powder, suspending agent.
5. according to claim 4, effective ingredient thiophene worm piperazine and the pyrrole propyl ether quality percentage composition in composition pesticide is 1%~70%.
6. as each described composition pesticide of claim 1 to 3, it is in the application that prevents and treats on the crop pest.
7. according to claim 5, it is characterized in that composition is used to prevent and treat rice fulgorid, Bemisia tabaci, thrips, aphid, trialeurodes vaporariorum, leafhopper, scale insect, especially be fit to control resistant rice plant hopper and resistance trialeurodes vaporariorum.
CN200910139727A 2009-06-26 2009-06-26 Thiamethoxam-containing pesticidal composition and application thereof Pending CN101755813A (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103283726A (en) * 2013-05-14 2013-09-11 青岛奥迪斯生物科技有限公司 Insecticidal composition containing methoxyfenozide and pyriproxyfen
CN103734172A (en) * 2013-12-28 2014-04-23 上海艳紫化工科技有限公司 Insecticidal suspending agent for plants
CN104255772A (en) * 2014-09-02 2015-01-07 肇庆市真格生物科技有限公司 Sanitary pest insecticidal composition containing thiamethoxam and pyriproxyfen and application thereof
CN107136063A (en) * 2017-06-16 2017-09-08 桂林集琦生化有限公司 A kind of agricultural synergist and Nylar, the mixture of Thiamethoxam compound thing mixture and its preparation and application

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103283726A (en) * 2013-05-14 2013-09-11 青岛奥迪斯生物科技有限公司 Insecticidal composition containing methoxyfenozide and pyriproxyfen
CN103734172A (en) * 2013-12-28 2014-04-23 上海艳紫化工科技有限公司 Insecticidal suspending agent for plants
CN103734172B (en) * 2013-12-28 2015-09-16 上海艳紫化工科技有限公司 Plant insecticide suspending agent
CN104255772A (en) * 2014-09-02 2015-01-07 肇庆市真格生物科技有限公司 Sanitary pest insecticidal composition containing thiamethoxam and pyriproxyfen and application thereof
CN104255772B (en) * 2014-09-02 2016-04-13 肇庆市真格生物科技有限公司 A kind of sanitary insect pest Pesticidal combination and application thereof containing Diacloden and Nylar
CN107136063A (en) * 2017-06-16 2017-09-08 桂林集琦生化有限公司 A kind of agricultural synergist and Nylar, the mixture of Thiamethoxam compound thing mixture and its preparation and application
CN107136063B (en) * 2017-06-16 2020-07-31 桂林集琦生化有限公司 Agricultural synergist and pyriproxyfen and thiamethoxam compound mixed mixture and preparation and application thereof

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Application publication date: 20100630