CN109221214A - A kind of Herbicidal combinations and its application of pyrazosulfuron containing piperazine and polybenzobisoxazole humulone - Google Patents
A kind of Herbicidal combinations and its application of pyrazosulfuron containing piperazine and polybenzobisoxazole humulone Download PDFInfo
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- CN109221214A CN109221214A CN201811130040.2A CN201811130040A CN109221214A CN 109221214 A CN109221214 A CN 109221214A CN 201811130040 A CN201811130040 A CN 201811130040A CN 109221214 A CN109221214 A CN 109221214A
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- China
- Prior art keywords
- herbicidal combinations
- polybenzobisoxazole humulone
- piperazine
- pyrazosulfuron
- piperazine pyrazosulfuron
- 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.)
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Classifications
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- 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
- A01N43/48—Biocides, pest repellants or attractants, or plant growth regulators containing heterocyclic compounds having rings with two nitrogen atoms as the only ring hetero atoms
- A01N43/56—1,2-Diazoles; Hydrogenated 1,2-diazoles
-
- 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
- A01N47/00—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid
- A01N47/08—Biocides, pest repellants or attractants, or plant growth regulators containing organic compounds containing a carbon atom not being member of a ring and having no bond to a carbon or hydrogen atom, e.g. derivatives of carbonic acid the carbon atom having one or more single bonds to nitrogen atoms
- A01N47/28—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N<
- A01N47/36—Ureas or thioureas containing the groups >N—CO—N< or >N—CS—N< containing the group >N—CO—N< directly attached to at least one heterocyclic ring; Thio analogues thereof
Abstract
The invention discloses the Herbicidal combinations of a kind of pyrazosulfuron containing piperazine and polybenzobisoxazole humulone, for the Herbicidal combinations using piperazine pyrazosulfuron and polybenzobisoxazole humulone as principle active component, the mass ratio of piperazine pyrazosulfuron and polybenzobisoxazole humulone is 1:50~59:1.The invention also discloses application of the Herbicidal combinations in wheat paddock weeding, Herbicidal combinations are used for wheat paddock weeding, especially for preventing and kill off grass family in wheat paddock, broad-leaved section weeds, have remarkable result.Compared to single agent, Herbicidal combinations of the present invention delay Weed Resistance under the premise of improving drug effect, and herbicidal spectrum is wide, and the lasting period is long, and all has safety to wheat and succession crop.
Description
Technical field
The invention belongs to technical field of pesticide, especially herbicide field, and in particular to a kind of pyrazosulfuron containing piperazine with pair
The Herbicidal combinations of azoles humulone and its application.
Background technique
Piperazine pyrazosulfuron (metazosulfuron) is that the sulfonylurea herbicide of Misao Kusano's exploitation is main
For preventing and kill off piemarker, Amaranthus retroflexus, herba digitariae and the barnyard grass of paddy field and wheat paddock.
Polybenzobisoxazole humulone is a kind of newly developed broadleaf weed herbicide, is HPPD inhibitor, by the work for inhibiting HPPD enzyme
Property, make to be converted into oxypyroracemic acid alcapton process and be obstructed, can not normally be synthesized so as to cause tocopherol and plastoquinone, is influenced
Carotenogenesis in target body, causes blade to whiten.To prevention and treatment clearvers, Descurainia sophia, shepherd's purse, the broadleaf weeds such as corn gromwell,
Effect is significant.
Wheat field herbicide is limited by crop safety at present, and degrass spectrum is also limited, and a kind of herbicide single dose is used alone
Cannot completely effectively control the generation of weeds of wheat, furthermore some herbicides due to the water-soluble big or field lasting period too
Length, dosage are excessive or application unevenly all be easy to cause the residual hazard to this season crop or succession crop.Inventor is through studying
It was found that the synergistic complex of herbicide be expand weed control spectrum and improve preventive effect effective measures, so far it is not yet found that
Close the Herbicidal combinations that piperazine pyrazosulfuron is compounded with polybenzobisoxazole humulone.
Summary of the invention
The object of the present invention is to provide the Herbicidal combinations of a kind of pyrazosulfuron containing piperazine and polybenzobisoxazole humulone.
It is a further object of the present invention to provide application of the Herbicidal combinations in wheat paddock weeding.
The purpose of the present invention is achieved through the following technical solutions:
A kind of Herbicidal combinations of pyrazosulfuron containing piperazine and polybenzobisoxazole humulone, the Herbicidal combinations are with piperazine pyrazosulfuron and polybenzobisoxazole
Humulone is principle active component, wherein the mass ratio of piperazine pyrazosulfuron and polybenzobisoxazole humulone is 1:50~59:1.
The mass ratio of the piperazine pyrazosulfuron and polybenzobisoxazole humulone is preferably 1:30~29:1,40:1~50:1, further
Preferably 1:30~10:1,20:1~29:1.
In some preferred technical solutions: piperazine pyrazosulfuron and polybenzobisoxazole humulone can 34:1,29:1,59:1,12:1,
It is selected in these ratios of 50:1,40:1,20:1,10:1,5:1,1:1,1:5,1:10,1:20,1:30,1:50.
Herbicidal combinations of the present invention can contain only active constituent piperazine pyrazosulfuron and polybenzobisoxazole humulone, can also use
Or other active components are added into active constituent when preparing, the effective ingredient in the Pesticidal combination exists with enhancing effective amount
In composition.
The mass percentage of both described piperazine pyrazosulfuron and polybenzobisoxazole humulone in Herbicidal combinations be 1%~
80%, preferably 10%~65%.
In the binary built composition of piperazine pyrazosulfuron of the present invention and polybenzobisoxazole humulone, in addition to piperazine pyrazosulfuron and double
Outside the effective components such as azoles humulone, the conventional surfactants allowed on pesticidal preparations, thickener, solvent or solid can also be added
The auxiliary agents such as filler are configured to any one dosage form allowed on pesticide.It is preferred that be processed into missible oil, suspending agent, aqueous emulsion, microemulsion,
Water dispersible granules, wettable powder etc..
Herbicidal combinations of the present invention are applied in the herbicide that preparation is used for wheat paddock postemergence weed control, are especially existed
Preparation is applied in broadleaf weeds and the herbicide of gramineae weed for preventing and kill off in wheat paddock, has remarkable result.
The invention has the following advantages that
1, activity of weeding is high.The present invention selects degrass spectrum different, the piperazine pyrazosulfuron and polybenzobisoxazole humulone two of advantage and disadvantage complementation
Kind herbicide, Herbicidal combinations of the invention are made into according to specific ratio range, can kill weeds by two kinds of different mechanism,
And two kinds of herbicides generate synergistic effect in the ratio range, greatly improve the removing activity of herbicide.
2, herbicidal spectrum is wide, and the lasting period is long.After the two mixing, weeds are killed by two kinds of different mechanism, expand herbicidal spectrum,
A variety of broadleaf weeds and gramineae weed can be prevented and treated.
3, delay Weed Resistance.Herbicidal combinations of the present invention are reduced weeds to the resistance of medicament, are also prolonged by binary built
Weed Resistance is delayed and has generated speed, and improved the preventive effect of antagonism weeds, to extend the service life of medicament.
4, highly-safe.Since its dosage is under control, make medicament under the premise of improving drug effect, to small
The safety of wheat and succession crop is also improved.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that described herein, specific examples are only used to explain the present invention, is not used to limit
The fixed present invention, it is all that under concept thereof of the invention the simple modifications of preparation method of the present invention are belonged to protection model of the invention
Within enclosing.
Percentage is mass percentage in all formulas of following embodiment.The processing of the various preparations of the present composition
Technique is the prior art, can be varied according to different situations.
One, dosage form prepares embodiment
Embodiment 1:35% piperazine pyrazosulfuron polybenzobisoxazole humulone missible oil (34:1)
Piperazine pyrazosulfuron 34%, polybenzobisoxazole humulone 1%, alkyl phenol polyoxyethylene ether 4%, phenethyl phenol polyethenoxy ether
15%, dimethylbenzene complements to 100%, is configured to the missible oil that mass percentage is 35% according to conventional formulation method.
Embodiment 2:30% piperazine pyrazosulfuron polybenzobisoxazole humulone suspending agent (29:1)
Piperazine pyrazosulfuron 29%, polybenzobisoxazole humulone 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation side
Method is configured to the suspending agent that mass percentage is 30%.
Embodiment 3:60% piperazine pyrazosulfuron polybenzobisoxazole humulone water dispersible granules (59:1)
Piperazine pyrazosulfuron 59%, polybenzobisoxazole humulone 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyethylene
Alcohol 2%, kaolin complements to 100%, is configured to the water-dispersible grain that mass percentage is 60% according to conventional formulation method
Agent (WDG).
Embodiment 4:65% piperazine pyrazosulfuron polybenzobisoxazole humulone wettable powder (12:1)
Piperazine pyrazosulfuron 60%, polybenzobisoxazole humulone 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%,
Kaolin complements to 100%, is configured to the wettable powder (WP) that mass percentage is 65% according to conventional formulation method.
Embodiment 5:51% piperazine pyrazosulfuron polybenzobisoxazole humulone suspending agent (50:1)
Piperazine pyrazosulfuron 50%, polybenzobisoxazole humulone 1%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation side
Method is configured to the suspending agent that mass percentage is 51%.
Embodiment 6:51% piperazine pyrazosulfuron polybenzobisoxazole humulone suspending agent (1:50)
Piperazine pyrazosulfuron 1%, polybenzobisoxazole humulone 50%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, silicone oil 0.2%, surplus are water, according to conventional preparation side
Method is configured to the suspending agent that mass percentage is 51%.
Embodiment 7:31% piperazine pyrazosulfuron polybenzobisoxazole humulone water dispersible granules (1:30)
Piperazine pyrazosulfuron 1%, polybenzobisoxazole humulone 30%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyethylene
Alcohol 2%, kaolin complements to 100%, is configured to the water-dispersible grain that mass percentage is 31% according to conventional formulation method
Agent.
Embodiment 8:41% piperazine pyrazosulfuron polybenzobisoxazole humulone water dispersible granules (40:1)
Piperazine pyrazosulfuron 40%, polybenzobisoxazole humulone 1%, NNO (sodium methylene bis-naphthalene sulfonate) 5%, ammonium sulfate 3%, polyethylene
Alcohol 2%, kaolin complements to 100%, is configured to the water-dispersible grain that mass percentage is 41% according to conventional formulation method
Agent.
Embodiment 9:42% piperazine pyrazosulfuron polybenzobisoxazole humulone wettable powder (20:1)
Piperazine pyrazosulfuron 40%, polybenzobisoxazole humulone 2%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%,
Kaolin complements to 100%, is configured to the wettable powder that mass percentage is 42% according to conventional formulation method.
Embodiment 10:21% piperazine pyrazosulfuron polybenzobisoxazole humulone wettable powder (1:20)
Piperazine pyrazosulfuron 1%, polybenzobisoxazole humulone 20%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%,
Kaolin complements to 100%, is configured to the wettable powder that mass percentage is 21% according to conventional formulation method.
Embodiment 11:33% piperazine pyrazosulfuron polybenzobisoxazole humulone aqueous emulsion (1:10)
Piperazine pyrazosulfuron 3%, polybenzobisoxazole humulone 30%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphtha 20%, water complements to 100%, according to normal
The formulation method of rule is configured to the aqueous emulsion that mass percentage is 33%.
Embodiment 12:33% piperazine pyrazosulfuron polybenzobisoxazole humulone aqueous emulsion (10:1)
Piperazine pyrazosulfuron 30%, polybenzobisoxazole humulone 3%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, 150# solvent naphtha 20%, water complements to 100%, according to normal
The formulation method of rule is configured to the aqueous emulsion that mass percentage is 33%.
Embodiment 13:30% piperazine pyrazosulfuron polybenzobisoxazole humulone microemulsion (5:1)
Piperazine pyrazosulfuron 25%, polybenzobisoxazole humulone 5%, methyl naphthalene sulfonate formaldehyde condensate 6%, nonylphenol polyoxyethylene ether
3%, aluminium-magnesium silicate 0.5%, ethylene glycol 7%, tributyl phosphate 2%, water complements to 100%, matches according to conventional formulation method
The microemulsion that mass percentage is 30% is made.
Embodiment 14:60% piperazine pyrazosulfuron polybenzobisoxazole humulone wettable powder (1:5)
Piperazine pyrazosulfuron 10%, polybenzobisoxazole humulone 50%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4%,
Kaolin complements to 100%, is configured to the wettable powder that mass percentage is 60% according to conventional formulation method.
Embodiment 15:10% piperazine pyrazosulfuron polybenzobisoxazole humulone wettable powder (1:1)
Piperazine pyrazosulfuron 5%, polybenzobisoxazole humulone 5%, NNO (sodium methylene bis-naphthalene sulfonate) 6%, sodium lignin sulfonate 4% are high
Ridge soil complements to 100%, is configured to the wettable powder that mass percentage is 10% according to conventional formulation method.
Two, drug effect verification test
1), toxicity determination test
Effective component piperazine pyrazosulfuron and polybenzobisoxazole humulone are 60:1,34:1,29:1,59:1,12:1,50 according to mass ratio:
1,40:1,20:1,10:1,5:1,1:1,1:5,1:10,1:20,1:30,1:50,1:60 are tested, and measure it to wheat paddock
The co-toxicity coefficient of common weed amur foxtail and acalypha copperleaf.
Test method: quantitative weed seed being seeded in respectively in the disposable paper cup of 9cm, and 10~15 are sowed in every glass
Grain seed, cultivates in illumination box, when 1~4 leaf phase of weeds, spraying treatment is carried out on crawler type crops sprayer.
Continue to cultivate in greenhouse after processing, routine observation respectively handles the preventive effect to weeds, weighs that each treated that weeds are fresh after 30d
Weight, calculates its toxicity regression curve and co-toxicity coefficient.Co-toxicity coefficient is greater than 120, shows that two kinds of active principles have synergistic effect,
Co-toxicity coefficient between 80-120, show two kinds of active principles have summation action, co-toxicity coefficient less than 80, show two kinds effectively
Substance has antagonism.Measurement result is as shown in table 1.
The toxicity measurement result of 1 piperazine pyrazosulfuron of table and polybenzobisoxazole humulone binary built to amur foxtail
As it can be seen from table 1 when the mass ratio of piperazine pyrazosulfuron and polybenzobisoxazole humulone is 59:1~1:50, polybenzobisoxazole humulone with
Piperazine pyrazosulfuron compound significantly improves the herbicidal effect of amur foxtail, illustrates that the two compounding has significant increase to amur foxtail is prevented and kill off
Effect effect.
The toxicity measurement result of 2 piperazine pyrazosulfuron of table and polybenzobisoxazole humulone binary built to acalypha copperleaf
From table 2 it can be seen that when the mass ratio of piperazine pyrazosulfuron and polybenzobisoxazole humulone is 59:1~1:50, polybenzobisoxazole humulone with
Piperazine pyrazosulfuron compound significantly improves the herbicidal effect of acalypha copperleaf, illustrates that the two compounding has significant increase to acalypha copperleaf is prevented and kill off
Effect effect.
Comprehensive Tables 1 and 2, to different prevention and treatments pair when piperazine pyrazosulfuron and the mass ratio of polybenzobisoxazole humulone is 1:50~59:1
As there is significant synergy.When the mass ratio of piperazine pyrazosulfuron and polybenzobisoxazole humulone is 1:30~29:1,40:1~50:1, different preventing
It controls object co-toxicity coefficient and is all larger than 140；The mass ratio of piperazine pyrazosulfuron and polybenzobisoxazole humulone is 1:30~10:1,20:1~29:1
When, different controlling object co-toxicity coefficients are all larger than 160.
2), field control effectiveness test.
Reagent agent:
The re-compounded binary herbicide of piperazine pyrazosulfuron and polybenzobisoxazole humulone different ratio prepared by embodiment 1~15.
Comparison medicament:
33% piperazine pyrazosulfuron WG (commercially available), 10% polybenzobisoxazole humulone WP (commercially available).
For studying object: wheat
Wheat seedling grows fine, robust plant, without other pest and disease damages.
Control object:
The weeds such as amur foxtail, herba digitariae, Amaranthus retroflexus, Siberian cocklebur, acalypha copperleaf.
Test method:
According to the area of experimental plot, good various medicaments of precise, and after being watered dilution, using knapsack sprayer,
Carry out even spraying, the dedicated Fan spray head of sprinkler selection herbicide.When spraying, it should be noted that it is small that medical fluid is uniformly sprayed application to test
Qu Zhong accomplishes no drain spray, the phenomenon that spraying more.
20d, 40d observe weeds death condition, and the activity of weeding of more various medicaments after medicine respectively after test.This
Outside, the condition of production (dosage that dosage is effective component per acre) of crop is observed in 1~15d, after medicine also to investigate
Whether medicament has phytotoxicity to crop.
The embodiment of the present invention preparation Herbicidal Testing Trials effect see the table below 3 (20d after medicine) and table 4 (40d after medicine).
3 field control effectiveness test result of table (20d after medicine)
4 field control effectiveness test result of table (40d after medicine)
It lives as can be seen from tables 3 and 4 that piperazine pyrazosulfuron compounds to have to expand herbicidal spectrum and improve weeding with polybenzobisoxazole humulone
Property effect, can effectively prevent and kill off broadleaf weeds and gramineae weed, preventive effect is better than the preventive effect of single dose, both illustrates compounding
There is significant synergistic effect to the preventive effect of broadleaf weeds in wheat paddock and gramineae weed, and extends the holding effect of medicament
Phase.Simultaneously it can also be seen that not polybenzobisoxazole humulone is compounded with arbitrary proportion with piperazine pyrazosulfuron and can generate synergistic function.
Security survey result of 5 medicament of table to crop
Wheat in each processing cell grows fine, and has no any medicine spot, illustrates that various medicaments are safe to wheat.
Claims (9)
1. the Herbicidal combinations of a kind of pyrazosulfuron containing piperazine and polybenzobisoxazole humulone, it is characterised in that the Herbicidal combinations are with the phonetic sulphur of piperazine pyrrole
Grand and polybenzobisoxazole humulone is principle active component, wherein the mass ratio of piperazine pyrazosulfuron and polybenzobisoxazole humulone is 1:50~59:1.
2. Herbicidal combinations according to claim 1, it is characterised in that the matter of the piperazine pyrazosulfuron and polybenzobisoxazole humulone
Amount is than being 1:30~29:1,40:1~50:1.
3. Herbicidal combinations according to claim 1, it is characterised in that the matter of the piperazine pyrazosulfuron and polybenzobisoxazole humulone
Amount is than being 1:30~10:1,20:1~29:1.
4. Herbicidal combinations according to claim 1-3, it is characterised in that piperazine pyrazosulfuron and polybenzobisoxazole humulone two
Mass percentage of the person in Herbicidal combinations is 1%~80%.
5. Herbicidal combinations according to claim 4, it is characterised in that both piperazine pyrazosulfuron and polybenzobisoxazole humulone are in weeding
Mass percentage in composition is 10%~65%.
6. Herbicidal combinations according to claim 1, it is characterised in that the Herbicidal combinations with piperazine pyrazosulfuron with
Polybenzobisoxazole humulone is that the auxiliary agent allowed on principle active component and pesticide is configured to any one dosage form.
7. Herbicidal combinations according to claim 6, it is characterised in that the dosage form be missible oil, suspending agent, aqueous emulsion,
Microemulsion, water dispersible granules or wettable powder.
8. application of the Herbicidal combinations described in claim 1 in wheat paddock weeding.
9. application according to claim 8, it is characterised in that the application is Herbicidal combinations in preventing and kill off wheat paddock
Application in grass family, broadleaf weeds.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130040.2A CN109221214A (en) | 2018-09-27 | 2018-09-27 | A kind of Herbicidal combinations and its application of pyrazosulfuron containing piperazine and polybenzobisoxazole humulone |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811130040.2A CN109221214A (en) | 2018-09-27 | 2018-09-27 | A kind of Herbicidal combinations and its application of pyrazosulfuron containing piperazine and polybenzobisoxazole humulone |
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| CN109221214A true CN109221214A (en) | 2019-01-18 |
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| CN201811130040.2A Withdrawn CN109221214A (en) | 2018-09-27 | 2018-09-27 | A kind of Herbicidal combinations and its application of pyrazosulfuron containing piperazine and polybenzobisoxazole humulone |
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| Country | Link |
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2018
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Application publication date: 20190118 |