CN109730097A - A kind of composition and preparation method thereof for preventing and treating rice hoppers - Google Patents
A kind of composition and preparation method thereof for preventing and treating rice hoppers Download PDFInfo
- Publication number
- CN109730097A CN109730097A CN201910086997.XA CN201910086997A CN109730097A CN 109730097 A CN109730097 A CN 109730097A CN 201910086997 A CN201910086997 A CN 201910086997A CN 109730097 A CN109730097 A CN 109730097A
- Authority
- CN
- China
- Prior art keywords
- parts
- auxiliary agent
- insecticide
- composition
- extract
- 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.)
- Pending
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/30—Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change
Landscapes
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The invention discloses a kind of compositions and preparation method thereof for preventing and treating rice hoppers, belong to rice insect prevention field.Including insecticide, fatty alcohol sulfate salt, ammonium sulfate, polyethylene glycol, auxiliary agent, kaolin；Wherein insecticide is the mixture of dinotefuran and Nitenpyram；Auxiliary agent is eucalyptus extracts, cypress extract, triperygium wilfordii extractive, the composition for saving boisiana extract.Insecticide mutually acts synergistically by dinotefuran and Nitenpyram according to special ratios mixture, can be improved respective drug effect, play synergistic effect in the present invention；Auxiliary agent is plant insecticide, and the substance that helps to change of generation is able to suppress the oviposition of planthopper female, while inhibiting the growth of larva, or even kill larva, and especially for the insects of this Homoptera of planthopper, deinsectization effect is more preferable.It by auxiliary agent and insecticide interworking, mutually acts synergistically, insecticide rapidly and efficiently kills pest, and auxiliary agent can reduce the resistance of planthopper while killing, and reaches lasting and kills the effect that disappears.
Description
Technical field
The present invention relates to rice insect prevention fields, and in particular to it is a kind of prevent and treat rice hoppers composition and its preparation side
Method.
Background technique
Planthopper is one of rice important pests, stabs rice strain tissue with adult and nymph and sucks nutrient solution and female adult oviposition
Device punctures stem tissue oviposition, leads to rice lodging, withered, furthermore can also propagate the rice such as southern rice black-streaked dwarf disease disease
Evil causes the rice underproduction even to lose receipts.The vermins-proof effect of Nitenpyram is preferable at present, but is easy that planthopper is made to generate resistance,
To lose drug effect to it.A kind of dinotefuran and Nitenpyram compound water dispersible granule disclosed in publication number CN105410006A and
Dinotefuran and Nitenpyram are carried out mixture by preparation method, but are also easy that planthopper is made to generate resistance, influence desinsection effect
Fruit.
Summary of the invention
It is good that the invention proposes a kind of insect resistant effects, is not easy to produce resistance, the group of the prevention and treatment rice hoppers of safety and environmental protection
Close object and preparation method thereof.
To achieve the goals above, the present invention is achieved through the following technical solutions:
A kind of composition for preventing and treating rice hoppers, 40-80 parts of insecticide, 1-5 parts of fatty alcohol sulfate salt, ammonium sulfate 5-
15 parts, 1-5 parts of polyethylene glycol, 10-20 parts of auxiliary agent, 15-30 parts of kaolin；
The insecticide includes the composition of dinotefuran and Nitenpyram according to arbitrary proportion.
The auxiliary agent includes the parts by weight of following components: 20-40 parts of eucalyptus extracts, 20-40 parts of cypress extract, Thunder God
40-50 parts of boisiana extract saves boisiana extract 40-50 parts.
Preferably, described insecticide 50-65 parts, 2-5 parts of fatty alcohol sulfate salt, 8-12 parts of ammonium sulfate, polyethylene glycol 1-2
Part, 15-20 parts of auxiliary agent, 15-20 parts of kaolin.
Preferably, 60 parts of the insecticide, 3 parts of fatty alcohol sulfate salt, 10 parts of ammonium sulfate, 2 parts of polyethylene glycol, auxiliary agent 15
Part, 15 parts of kaolin.
Preferably, dinotefuran and the ratio of Nitenpyram are (1-80): (1-80) in the insecticide.
Preferably, the auxiliary agent includes the parts by weight of following components: 30-35 parts of eucalyptus extracts, cypress extract 30-35
Part, saves boisiana extract 45-50 parts at 45-50 parts of triperygium wilfordii extractive.
Preferably, the auxiliary agent includes the parts by weight of following components: 33 parts of eucalyptus extracts, 35 parts of cypress extract, thunder
50 parts of public boisiana extract saves 50 parts of boisiana extract.
A kind of preparation method of composition that preventing and treating rice hoppers, comprising the following steps:
(1) it after crushing eucalyptus cauline leaf, cypress cauline leaf, tripterygium wilfordii rhizome and calamus, is extracted respectively with ethyl alcohol,
Obtain extract；
(2) each component extract weight part is matched, obtains blend compositions, blend compositions and kaolin is mixed
It closes, and is fully ground with ball mill to suspension, milling time is 3-6h to get auxiliary agent；
(3) insecticide of parts by weight, fatty alcohol sulfate salt, ammonium sulfate, auxiliary agent will be mixed again, again passes by ball mill
Grinding modification is carried out, then is ground into wettable powder through micro jet, then fluidized bed drying is added in wettable powder
In pelletizer, the aqueous solution that polyethylene glycol is added is granulated in a fluidized bed, and re-dry after granulation to obtain the final product.
The present invention prevents and treats the composition and preparation method thereof of rice hoppers, the beneficial effect is that:
(1) for insecticide by dinotefuran and Nitenpyram according to special ratios mixture, mutual synergistic effect can in the present invention
Respective drug effect is improved, synergistic effect is played；
(2) present invention adds auxiliary agent, wherein auxiliary agent is plant insecticide, and the substance that helps to change of generation is able to suppress rice and flies
The oviposition of lice female, while inhibiting the growth of larva, or even kill larva, achieve the effect that reduce insect pest, especially for planthopper
The insects of this Homoptera, deinsectization effect are more preferable.
(3) it by auxiliary agent and insecticide interworking, mutually acts synergistically, insecticide rapidly and efficiently kills pest, and auxiliary agent is killing
The resistance that can reduce planthopper while going out reaches lasting and kills the effect that disappears.
(4) in preparation method, by each component and kaolin by grinding, adsorbent is simultaneously transferred by physical method
It connects, active principle can be made preferably to be attached on carrier, improvement effect.
Specific embodiment
It is next combined with specific embodiments below that present invention be described in more detail.
Embodiment 1
A kind of composition for preventing and treating rice hoppers, including following components: 40 parts of insecticide, 1 part of fatty alcohol sulfate salt,
5 parts of ammonium sulfate, 1 part of polyethylene glycol, 10 parts of auxiliary agent, 15 parts of kaolin；
Wherein insecticide includes the composition of dinotefuran and Nitenpyram according to 1:80.
Auxiliary agent includes the parts by weight of following components: 20 parts of eucalyptus extracts, 20 parts of cypress extract, triperygium wilfordii extractive 40
Part saves 40 parts of boisiana extract.
The preparation method for preventing and treating the composition of rice hoppers, comprising the following steps:
(1) it after crushing eucalyptus cauline leaf, cypress cauline leaf, tripterygium wilfordii rhizome and calamus, is extracted respectively with ethyl alcohol,
Obtain extract；
(2) each component extract weight part is matched, obtains blend compositions, blend compositions and kaolin is mixed
It closes, and is fully ground with ball mill to suspension, milling time is 3h to get auxiliary agent；
(3) insecticide of parts by weight, fatty alcohol sulfate salt, ammonium sulfate, auxiliary agent will be mixed again, again passes by ball mill
Grinding modification is carried out, then is ground into wettable powder through micro jet, then fluidized bed drying is added in wettable powder
In pelletizer, the aqueous solution that polyethylene glycol is added is granulated in a fluidized bed, and re-dry after granulation to obtain the final product.
Embodiment 2
A kind of composition for preventing and treating rice hoppers, including following components: 80 parts of insecticide, 5 parts of fatty alcohol sulfate salt,
15 parts of ammonium sulfate, 5 parts of polyethylene glycol, 20 parts of auxiliary agent, 30 parts of kaolin；
Wherein insecticide includes the composition of dinotefuran and Nitenpyram according to 80:1.
Auxiliary agent includes the parts by weight of following components: 40 parts of eucalyptus extracts, 40 parts of cypress extract, triperygium wilfordii extractive 50
Part saves 50 parts of boisiana extract.
The preparation method for preventing and treating the composition of rice hoppers, comprising the following steps:
(1) it after crushing eucalyptus cauline leaf, cypress cauline leaf, tripterygium wilfordii rhizome and calamus, is extracted respectively with ethyl alcohol,
Obtain extract；
(2) each component extract weight part is matched, obtains blend compositions, blend compositions and kaolin is mixed
It closes, and is fully ground with ball mill to suspension, milling time is 6h to get auxiliary agent；
(3) insecticide of parts by weight, fatty alcohol sulfate salt, ammonium sulfate, auxiliary agent will be mixed again, again passes by ball mill
Grinding modification is carried out, then is ground into wettable powder through micro jet, then fluidized bed drying is added in wettable powder
In pelletizer, the aqueous solution that polyethylene glycol is added is granulated in a fluidized bed, and re-dry after granulation to obtain the final product.
Embodiment 3
A kind of composition for preventing and treating rice hoppers, including following components: 50 parts of insecticide, 2 parts of fatty alcohol sulfate salt,
8 parts of ammonium sulfate, 2 parts of polyethylene glycol, 15 parts of auxiliary agent, 20 parts of kaolin；
Wherein insecticide includes the composition of dinotefuran and Nitenpyram according to 80:1.
Auxiliary agent includes the parts by weight of following components: 30 parts of eucalyptus extracts, 30 parts of cypress extract, triperygium wilfordii extractive 45
Part saves 45 parts of boisiana extract.
The preparation method for preventing and treating the composition of rice hoppers, comprising the following steps:
(1) it after crushing eucalyptus cauline leaf, cypress cauline leaf, tripterygium wilfordii rhizome and calamus, is extracted respectively with ethyl alcohol,
Obtain extract；
(2) each component extract weight part is matched, obtains blend compositions, blend compositions and kaolin is mixed
It closes, and is fully ground with ball mill to suspension, milling time is 6h to get auxiliary agent；
(3) insecticide of parts by weight, fatty alcohol sulfate salt, ammonium sulfate, auxiliary agent will be mixed again, again passes by ball mill
Grinding modification is carried out, then is ground into wettable powder through micro jet, then fluidized bed drying is added in wettable powder
In pelletizer, the aqueous solution that polyethylene glycol is added is granulated in a fluidized bed, and re-dry after granulation to obtain the final product.
Embodiment 4
A kind of composition for preventing and treating rice hoppers, including following components: 60 parts of insecticide, 3 parts of fatty alcohol sulfate salt,
10 parts of ammonium sulfate, 2 parts of polyethylene glycol, 15 parts of auxiliary agent, 15 parts of kaolin；
Wherein insecticide includes the composition of dinotefuran and Nitenpyram according to 80:1.
Auxiliary agent includes the parts by weight of following components: 33 parts of eucalyptus extracts, 35 parts of cypress extract, triperygium wilfordii extractive 50
Part saves 50 parts of boisiana extract.
The preparation method for preventing and treating the composition of rice hoppers, comprising the following steps:
(1) it after crushing eucalyptus cauline leaf, cypress cauline leaf, tripterygium wilfordii rhizome and calamus, is extracted respectively with ethyl alcohol,
Obtain extract；
(2) each component extract weight part is matched, obtains blend compositions, blend compositions and kaolin is mixed
It closes, and is fully ground with ball mill to suspension, milling time is 6h to get auxiliary agent；
(3) insecticide of parts by weight, fatty alcohol sulfate salt, ammonium sulfate, auxiliary agent will be mixed again, again passes by ball mill
Grinding modification is carried out, then is ground into wettable powder through micro jet, then fluidized bed drying is added in wettable powder
In pelletizer, the aqueous solution that polyethylene glycol is added is granulated in a fluidized bed, and re-dry after granulation to obtain the final product.
Embodiment 5
A kind of composition for preventing and treating rice hoppers, including following components: 65 parts of insecticide, 2 parts of fatty alcohol sulfate salt,
12 parts of ammonium sulfate, 2 parts of polyethylene glycol, 15 parts of auxiliary agent, 15 parts of kaolin；
Wherein insecticide includes the composition of dinotefuran and Nitenpyram according to 80:1.
Auxiliary agent includes the parts by weight of following components: 33 parts of eucalyptus extracts, 35 parts of cypress extract, triperygium wilfordii extractive 50
Part saves 50 parts of boisiana extract.
The preparation method for preventing and treating the composition of rice hoppers, comprising the following steps:
(1) it after crushing eucalyptus cauline leaf, cypress cauline leaf, tripterygium wilfordii rhizome and calamus, is extracted respectively with ethyl alcohol,
Obtain extract；
(2) each component extract weight part is matched, obtains blend compositions, blend compositions and kaolin is mixed
It closes, and is fully ground with ball mill to suspension, milling time is 6h to get auxiliary agent；
(3) insecticide of parts by weight, fatty alcohol sulfate salt, ammonium sulfate, auxiliary agent will be mixed again, again passes by ball mill
Grinding modification is carried out, then is ground into wettable powder through micro jet, then fluidized bed drying is added in wettable powder
In pelletizer, the aqueous solution that polyethylene glycol is added is granulated in a fluidized bed, and re-dry after granulation to obtain the final product.
Embodiment 6
Control group is set, insect pest disaster area is equally divided into 7 trial zones, trial zone 1 and trial zone 2 are control group, test
Area 1 sprays 60% dinotefuran wettable powder；Trial zone 2 sprays 60% Nitenpyram wettable powder；Trial zone 3-7 sprays respectively
Apply the wettable powder of embodiment 1-5.After spraying 3 days, experimental result such as the following table 1:
| Group | Insecticidal effect (3d) | Worm's ovum remains after 40 days |
| Control group 1 | 89.45% | 8.63% |
| Control group 2 | 76.53% | 13.16% |
| Embodiment 1 | 98.24% | 3.12% |
| Embodiment 2 | 97.694% | 2.58% |
| Embodiment 3 | 97.38% | 1.96% |
| Embodiment 4 | 95.67% | 2.04% |
| Embodiment 5 | 96.21% | 1.97% |
Table 1
As can be seen from the above table, good disinsection effect of the invention, lasting medicine, being not easy after spraying, which generates planthopper, resists
Body, insecticidal effect are more preferable.
It is provided for the embodiments of the invention technical solution above to be described in detail, specific case used herein
The principle and embodiment of the embodiment of the present invention are expounded, the explanation of above embodiments is only applicable to help to understand this
The principle of inventive embodiments；At the same time, for those skilled in the art, according to an embodiment of the present invention, in specific embodiment party
There will be changes in formula and application range, in conclusion the contents of this specification are not to be construed as limiting the invention.
Claims (7)
1. a kind of composition for preventing and treating rice hoppers, it is characterised in that: including following components: 40-80 parts of insecticide, fatty alcohol
1-5 parts of sulfuric acid, 5-15 parts of ammonium sulfate, 1-5 parts of polyethylene glycol, 10-20 parts of auxiliary agent, 15-30 parts of kaolin；
The insecticide includes the composition of dinotefuran and Nitenpyram according to arbitrary proportion.
The auxiliary agent includes the parts by weight of following components: 20-40 parts of eucalyptus extracts, 20-40 parts of cypress extract, tripterygium wilfordii mention
It takes 40-50 parts of object, save boisiana extract 40-50 parts.
2. preventing and treating the composition of rice hoppers according to claim 1, it is characterised in that: described insecticide 50-65 parts, rouge
2-5 parts of fat alcohol sulfuric ester salt, 8-12 parts of ammonium sulfate, 1-2 parts of polyethylene glycol, 15-20 parts of auxiliary agent, 15-20 parts of kaolin.
3. preventing and treating the composition of rice hoppers according to claim 1, it is characterised in that: 60 parts of the insecticide, fat
3 parts of alcohol sulfuric ester salt, 10 parts of ammonium sulfate, 2 parts of polyethylene glycol, 15 parts of auxiliary agent, 15 parts of kaolin.
4. according to claim 1 prevent and treat rice hoppers composition, it is characterised in that: in the insecticide dinotefuran and
The ratio of Nitenpyram is (1-80): (1-80).
5. the composition of rice hoppers is prevented and treated described in -4 Arbitrary Terms according to claim 1, it is characterised in that: the auxiliary agent includes
The parts by weight of following components: 30-35 parts of eucalyptus extracts, 45-50 parts of triperygium wilfordii extractive, save rattan at 30-35 parts of cypress extract
45-50 parts of extract.
6. the composition of rice hoppers is prevented and treated described in -4 Arbitrary Terms according to claim 1, it is characterised in that: the auxiliary agent includes
The parts by weight of following components: 33 parts of eucalyptus extracts, 50 parts of triperygium wilfordii extractive, save boisiana extract 50 at 35 parts of cypress extract
Part.
7. a kind of preparation method for the composition for preventing and treating rice hoppers according to claim 1, it is characterised in that: including with
Lower step:
(1) it after crushing eucalyptus cauline leaf, cypress cauline leaf, tripterygium wilfordii rhizome and calamus, is extracted, is obtained with ethyl alcohol respectively
Extract；
(2) each component extract weight part is matched, obtains blend compositions, blend compositions are mixed with kaolin,
And be fully ground with ball mill to suspension, milling time is 3-6h to get auxiliary agent；
(3) insecticide of parts by weight, fatty alcohol sulfate salt, ammonium sulfate, auxiliary agent will be mixed again, again passes by ball mill progress
Grinding is modified, then is ground into wettable powder through micro jet, then fluidized bed drying is added in wettable powder and is granulated
In machine, the aqueous solution that polyethylene glycol is added is granulated in a fluidized bed, and re-dry after granulation to obtain the final product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086997.XA CN109730097A (en) | 2019-01-29 | 2019-01-29 | A kind of composition and preparation method thereof for preventing and treating rice hoppers |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910086997.XA CN109730097A (en) | 2019-01-29 | 2019-01-29 | A kind of composition and preparation method thereof for preventing and treating rice hoppers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109730097A true CN109730097A (en) | 2019-05-10 |
Family
ID=66366634
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910086997.XA Pending CN109730097A (en) | 2019-01-29 | 2019-01-29 | A kind of composition and preparation method thereof for preventing and treating rice hoppers |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109730097A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113229289A (en) * | 2021-04-30 | 2021-08-10 | 海南省农业科学院植物保护研究所 | Pesticide for preventing and treating diseases and pests of rice seedlings and using method |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102228050A (en) * | 2011-06-21 | 2011-11-02 | 尹小根 | Pesticide composition containing dinotefuran and nitenpyram |
| CN105410006A (en) * | 2015-12-24 | 2016-03-23 | 安徽美兰农业发展股份有限公司 | Dinotefuran and nitenpyram compound water dispersible granule and preparation method thereof |
-
2019
- 2019-01-29 CN CN201910086997.XA patent/CN109730097A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102228050A (en) * | 2011-06-21 | 2011-11-02 | 尹小根 | Pesticide composition containing dinotefuran and nitenpyram |
| CN105410006A (en) * | 2015-12-24 | 2016-03-23 | 安徽美兰农业发展股份有限公司 | Dinotefuran and nitenpyram compound water dispersible granule and preparation method thereof |
Non-Patent Citations (3)
| Title |
|---|
| 广东省农林水科学技术服务站革命委员会: "《水稻主要病虫害防治手册》", 30 November 1970, 广东人民出版社 * |
| 江苏省农业科学院 等: "《植物保护手册 第7分册 农药》", 31 January 1982, 农业出版社 * |
| 浙江省农业厅: "《浙江农药志》", 30 September 1959, 浙江人民出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113229289A (en) * | 2021-04-30 | 2021-08-10 | 海南省农业科学院植物保护研究所 | Pesticide for preventing and treating diseases and pests of rice seedlings and using method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1152403A (en) | Nontoxic pesticide made of pure traditional Chinese medicine | |
| CN107810950A (en) | A kind of prevention and controls of aniseed anthracnosis | |
| Gupta | Efficacy of neem in combination with cow urine against mustard aphid and its effect on coccinellid predators | |
| CN106342867A (en) | Bactericidal composite of rice sheath blight disease and application of bactericidal composite | |
| CN104255829A (en) | Polygonum aviculare botanical bactericide and preparation method thereof | |
| CN100375596C (en) | Germicide composition containing propamidine and myclobutanil and its application | |
| CN109730097A (en) | A kind of composition and preparation method thereof for preventing and treating rice hoppers | |
| CN100364400C (en) | Germicide composition containing pyraclostrobin and chlorothalonil and its application | |
| AU2011210381A1 (en) | A botanical pesticide for agriculture/horticulture crops | |
| CN101116440A (en) | Agriculture chemicals for preventing and curing cole sclerotium disease | |
| CN100376155C (en) | Germicide composition containing kresoxim-methyl and isoprothiolane and its application | |
| KR20140033634A (en) | Agricultural chemicals composition for prevention and extermination of anthracnose and virosis | |
| CN106857582A (en) | A kind of composition pesticide containing tetramycin | |
| CN106376612A (en) | Rice bakanae disease sterilization composition and application thereof | |
| CN110800766A (en) | Sweet wormwood insecticide and preparation method thereof | |
| CN106234466A (en) | A kind of containing microbial insecticide and preparation method thereof | |
| CN101999351A (en) | Thick suspending agent with concentration of 30% for treating asparagus diseases | |
| CN100360024C (en) | Germicide composition containing propamidine and thiophanate-methyl and its application | |
| CN104430387B (en) | Insecticidal bactericide containing azoxystrobin and pymetrozine and application thereof | |
| CN112400908B (en) | Medicament composition for preventing and treating rhinoceros | |
| CN1240278C (en) | Special remedy of 30% thick suspended agent for stem blight, wilt disease prevention and treatment | |
| CN108719310A (en) | A kind of herbicide synergistic combination of prevention wheatland Triticum tauschii | |
| CN103371186B (en) | A kind of bactericidal composition | |
| CN107114395A (en) | A kind of Pesticidal combination of efficient preventing and treating fragrant-flowered garlic maggot | |
| CN106359474A (en) | Fungicidal composition for preventing and treating rice planthopper and application thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190510 |