CN109019842A - A kind of spherical suspending biologic packing material - Google Patents
A kind of spherical suspending biologic packing material Download PDFInfo
- Publication number
- CN109019842A CN109019842A CN201810754557.2A CN201810754557A CN109019842A CN 109019842 A CN109019842 A CN 109019842A CN 201810754557 A CN201810754557 A CN 201810754557A CN 109019842 A CN109019842 A CN 109019842A
- Authority
- CN
- China
- Prior art keywords
- parts
- biologic packing
- spherosome
- packing material
- shell
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/109—Characterized by the shape
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/107—Inorganic materials, e.g. sand, silicates
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/10—Packings; Fillings; Grids
- C02F3/105—Characterized by the chemical composition
- C02F3/108—Immobilising gels, polymers or the like
-
- 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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Materials Engineering (AREA)
- Inorganic Chemistry (AREA)
- Carbon And Carbon Compounds (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Silicon Compounds (AREA)
Abstract
The invention discloses a kind of spherical suspending biologic packing materials, and the spherosome that can longitudinally rotate also is socketed with including shell spherical in shape, in the shell, be socketed in spherosome can transverse rotation ellipsoid；The hole of hollow out is distributed on the shell, the aperture of hollow out is distributed on the spherosome, fin is distributed on the ellipsoid, through slot is distributed between each fin.A kind of spherical suspending biologic packing material that the present invention obtains, the spherical suspending biologic packing material include shell, spherosome and ellipsoid from outside to inside, and wherein spherosome can longitudinally rotate, and ellipsoid can transverse rotation.By three spheres of setting to increase mobility, especially ellipsoidal fin even more improves the specific surface area of filling ball.In addition the shell, spherosome and ellipsoidal material are any one of modified polypropene or modified poly ethylene, to realize the feature that hydrophily is strong, biofilm is easy.
Description
Technical field
The present invention relates to a kind of filler, especially a kind of spherical suspending biologic packing material.
Background technique
It needs to make the organic matter and impurity in sewage by it in processed sewage currently, biologic packing material ball is placed in
It is separated from water.That is, organic matter and impurity in water are attached to filling ball when the water with dirt flows through filling ball
On, then these organic matters and impurity react with the microorganism on filler, until being broken down into innocuous substance to reach
The purpose of purification of water quality, such as: eliminate ammonia, the nitrogen component in water.
But the specific surface area of existing filling ball is smaller and does not allow easy to be filmed, when needing to adhere to more microorganisms
It can only be realized by accelerating, increase cost of sewage disposal.
Summary of the invention
A kind of large specific surface area, hydrophily are provided the purpose of the present invention is to solve above-mentioned the deficiencies in the prior art
By force, the easy a kind of spherical suspending biologic packing material of biofilm, can enhance wastewater treatment efficiency.
To achieve the goals above, a kind of spherical suspending biologic packing material designed by the present invention, including shell spherical in shape,
The spherosome that can longitudinally rotate also is socketed in the shell, be socketed in spherosome can transverse rotation ellipsoid；
The hole of hollow out is distributed on the shell, the aperture of hollow out is distributed on the spherosome, fin is distributed on the ellipsoid
Through slot is distributed between each fin in piece.
The shell, spherosome and ellipsoidal material are any one of modified polypropene or modified poly ethylene.
The modified polypropene is made by being covered with hydrophilic agent in the painting of polyacrylic surface, and the hydrophilic agent is by weight
Including 5-10 parts of nano silica, 10-15 parts of alkyl phenol polyoxyethylene ether, 1-5 parts of carbon nanotube, 10-15 parts of polyvinyl chloride,
50-60 parts of ethyl alcohol, 10-15 parts of isopropanol, 30-40 parts of water.
The modified poly ethylene includes 95 parts of polyethylene and 5 parts of modifying agent by weight, and the modifying agent wraps by weight
Include 50-60 parts of polyacrylate, 20-30 parts of polyethylene glycol, 10-15 parts of Kynoar, 5-8 parts of polyurethane, basic zirconium phosphate 2-3
Part, 1-3 parts of rare earth.
The preparation method of the hydrophilic agent is by weight by 5-10 parts of nano silica, alkyl phenol polyoxyethylene ether
10-15 parts, 1-5 parts of carbon nanotube, 10-15 parts of polyvinyl chloride, 50-60 parts of ethyl alcohol, 10-15 parts of isopropanol, 30-40 parts of water mixing
After mixing evenly, 24 hours are stood.
The preparation method of the modifying agent is by weight by 50-60 parts of polyacrylate, 20-30 parts of polyethylene glycol, poly-
10-15 parts of vinylidene, 5-8 parts of polyurethane, 2-3 parts of basic zirconium phosphate, 1-3 parts of rare earth be put into 200-240 DEG C of high temperature reaction stove,
It heats 1-2h under nitrogen protection, pulverizes after cooling to obtain the final product.
The preparation method of the modified poly ethylene is by weight to add 95 parts of polyethylene and 5 parts of modifying agent in extruder
Heat fusing squeezes out, and temperature is 200-220 DEG C.
The spherical suspending biologic packing material includes shell, spherosome and ellipsoid from outside to inside, and wherein spherosome can longitudinally revolve
Turn, ellipsoid can transverse rotation.By three spheres of setting to increase the water body flow inside filler, especially ellipsoid
Fin, even more improve the specific surface area of filling ball.
The shell, spherosome and ellipsoidal material are any one of modified polypropene or modified poly ethylene.This
It is to be unfavorable for the absorption of biomembrane, it is therefore desirable to be modified to it since polypropylene and polyethylene ontology are relative hydrophobics.
The modified polypropene is to be covered with the alkyl that hydrophilic agent is obtained, in the hydrophilic agent by applying on polyacrylic surface
Phenol polyethenoxy ether is a kind of nonionic surfactant as main hydrophilic component, it have property stable, acid and alkali-resistance and at
This low feature.Intensity can be improved in nano silica and carbon nanotube, and polyvinyl chloride improves hydrophily as auxiliary agent.Second
Alcohol, isopropyl alcohol and water are as solvent.
The modified poly ethylene by parts by weight by 95 parts of polyethylene and 5 parts of modifying agent in extruder heating melting squeeze out and
, polyacrylate, polyethylene glycol and polyurethane in the modifying agent can improve the hydrophily of polyethylene, polyacrylic acid
Contain on the strand of ester there are many ester group, ester group, there is hydrophily.The terminal hydroxy group of polyethylene glycol is hydrophilic, the ehter bond in chain
It is hydrophilic.Anti-corrosive properties can be improved in Kynoar, and basic zirconium phosphate then improves intensity, and rare earth improves the parent of modifying agent as catalyst
It is aqueous.
A kind of spherical suspending biologic packing material that the present invention obtains, the spherical suspending biologic packing material include from outside to inside shell,
Spherosome and ellipsoid, wherein spherosome can longitudinally rotate, and ellipsoid can transverse rotation.By three spheres of setting to increase
Mobility, especially ellipsoidal fin, even more improves the specific surface area of filling ball.In addition the shell, spherosome and ellipse
The material of circle is any one of modified polypropene or modified poly ethylene, to realize that hydrophily is strong, biofilm is readily special
Point.Spherical suspending biologic packing material produced by the present invention, specific gravity 0.92-0.95g/cm3, specific surface area 500-800m2/m3。
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the spherical suspending biologic packing material of embodiment 1；
Fig. 2 is ellipsoidal structural schematic diagram in the spherical suspending biologic packing material of embodiment 1.
In figure: shell 1, spherosome 2, ellipsoid 3, hole 4, aperture 5, fin 6, through slot 7.
Specific embodiment
Present invention will be further explained below with reference to the attached drawings and examples.
Embodiment 1:
As Figure 1-Figure 2, a kind of spherical suspending biologic packing material provided in this embodiment, including spherical suspending biologic packing material, packet
Shell 1 spherical in shape is included, the spherosome that can longitudinally rotate 2 is also socketed in the shell 1, is socketed in spherosome 2
Can transverse rotation ellipsoid 3；The hole 4 of hollow out is distributed on the shell 1, the small of hollow out is distributed on the spherosome 2
Hole 5 is distributed with fin 6 on the ellipsoid 3, through slot 7 is distributed between each fin 6.
The material of the shell 1, spherosome 2 and ellipsoid 3 is modified polypropene.
The modified polypropene is made by being covered with hydrophilic agent in the painting of polyacrylic surface, and the hydrophilic agent is by weight
Including 5 parts of nano silica, 10 parts of alkyl phenol polyoxyethylene ether, 1 part of carbon nanotube, 10 parts of polyvinyl chloride, 50 parts of ethyl alcohol, different
10 parts of propyl alcohol, 30 parts of water.
The preparation method of the hydrophilic agent be by weight by 5 parts of nano silica, 10 parts of alkyl phenol polyoxyethylene ether,
1 part of carbon nanotube, 10 parts of polyvinyl chloride, 50 parts of ethyl alcohol, 10 parts of isopropanol, 30 parts of water be mixed evenly after, stand 24 hours
?.
By testing, spherical suspending biologic packing material made from the present embodiment, specific gravity 0.92-0.95g/cm3, specific surface
Product is 500-800m2/m3。
Embodiment 2:
A kind of spherical suspending biologic packing material provided in this embodiment, general structure is identical as embodiment, and difference is described
The material of shell 1, spherosome 2 and ellipsoid 3 is modified poly ethylene.
The modified poly ethylene includes 95 parts of polyethylene and 5 parts of modifying agent by weight, and the modifying agent wraps by weight
Include 50 parts of polyacrylate, 20 parts of polyethylene glycol, 10 parts of Kynoar, 5 parts of polyurethane, 2 parts of basic zirconium phosphate, 1 part of rare earth.
The preparation method of the modifying agent is by weight by 50 parts of polyacrylate, 20 parts of polyethylene glycol, polyvinylidene fluoride
10 parts of alkene, 5 parts of polyurethane, 2 parts of basic zirconium phosphate, 1 part of rare earth be put into 200-240 DEG C of high temperature reaction stove, heated under nitrogen protection
1-2h pulverizes after cooling to obtain the final product.
The preparation method of the modified poly ethylene is by weight to add 95 parts of polyethylene and 5 parts of modifying agent in extruder
Heat fusing squeezes out, and temperature is 200-220 DEG C.
By testing, spherical suspending biologic packing material made from the present embodiment, specific gravity 0.92-0.95g/cm3, specific surface
Product is 500-800m2/m3。
Embodiment 3:
A kind of spherical suspending biologic packing material provided in this embodiment, general structure is identical as embodiment, and difference is described
Shell 1, spherosome 2 material be modified polypropene, the material of ellipsoid 3 is modified poly ethylene.
The modified polypropene is made by being covered with hydrophilic agent in the painting of polyacrylic surface, and the hydrophilic agent is by weight
Including 10 parts of nano silica, 15 parts of alkyl phenol polyoxyethylene ether, 5 parts of carbon nanotube, 15 parts of polyvinyl chloride, 60 parts of ethyl alcohol,
15 parts of isopropanol, 40 parts of water.
The modified poly ethylene includes 95 parts of polyethylene and 5 parts of modifying agent by weight, and the modifying agent wraps by weight
Include 60 parts of polyacrylate, 30 parts of polyethylene glycol, 15 parts of Kynoar, 8 parts of polyurethane, 3 parts of basic zirconium phosphate, 3 parts of rare earth.
By testing, spherical suspending biologic packing material made from the present embodiment, specific gravity 0.92-0.95g/cm3, specific surface
Product is 500-800m2/m3。
Claims (7)
1. a kind of spherical suspending biologic packing material, including shell (1) spherical in shape, it is characterised in that: be also socketed in the shell (1)
Have the spherosome that can longitudinally rotate (2), be socketed in the spherosome (2) can transverse rotation ellipsoid (3)；The shell
(1) hole (4) of hollow out is distributed on, the aperture (5) of hollow out is distributed on the spherosome (2), divides on the ellipsoid (3)
It is furnished with fin (6), through slot (7) is distributed between each fin (6).
2. a kind of spherical suspending biologic packing material according to claim 1, it is characterised in that: the shell (1), spherosome
(2) and the material of ellipsoid (3) is any one of modified polypropene or modified poly ethylene.
3. a kind of spherical suspending biologic packing material according to claim 2, it is characterised in that: the modified polypropene is to pass through
On polyacrylic surface, painting is covered with hydrophilic agent and is made, and the hydrophilic agent includes 5-10 parts of nano silica, alkyl by weight
10-15 parts of phenol polyethenoxy ether, 1-5 parts of carbon nanotube, 10-15 parts of polyvinyl chloride, 50-60 parts of ethyl alcohol, 10-15 parts of isopropanol,
30-40 parts of water.
4. a kind of spherical suspending biologic packing material according to claim 2, it is characterised in that: the modified poly ethylene is by weight
Part includes 95 parts of polyethylene and 5 parts of modifying agent, and the modifying agent includes 50-60 parts of polyacrylate, polyethylene glycol by weight
20-30 parts, 10-15 parts of Kynoar, 5-8 parts of polyurethane, 2-3 parts of basic zirconium phosphate, 1-3 parts of rare earth.
5. a kind of spherical suspending biologic packing material according to claim 3, it is characterised in that: the preparation method of the hydrophilic agent
It is by weight by 5-10 parts of nano silica, 10-15 parts of alkyl phenol polyoxyethylene ether, 1-5 parts of carbon nanotube, polyvinyl chloride
10-15 parts, 50-60 parts of ethyl alcohol, 10-15 parts of isopropanol, 30-40 parts of water be mixed evenly after, stand 24 hours.
6. a kind of spherical suspending biologic packing material according to claim 4, it is characterised in that: the preparation method of the modifying agent
Be by weight by 50-60 parts of polyacrylate, 20-30 parts of polyethylene glycol, 10-15 parts of Kynoar, 5-8 parts of polyurethane,
2-3 parts of basic zirconium phosphate, 1-3 parts of rare earth be put into 200-240 DEG C of high temperature reaction stove, 1-2h is heated under nitrogen protection, after cooling
It pulverizes to obtain the final product.
7. a kind of spherical suspending biologic packing material according to claim 4, it is characterised in that: the preparation of the modified poly ethylene
Method is that by 95 parts of polyethylene and 5 parts of modifying agent, heating melting is squeezed out in extruder by weight, and temperature is 200-220 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810754557.2A CN109019842A (en) | 2018-07-11 | 2018-07-11 | A kind of spherical suspending biologic packing material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810754557.2A CN109019842A (en) | 2018-07-11 | 2018-07-11 | A kind of spherical suspending biologic packing material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109019842A true CN109019842A (en) | 2018-12-18 |
Family
ID=64640440
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810754557.2A Pending CN109019842A (en) | 2018-07-11 | 2018-07-11 | A kind of spherical suspending biologic packing material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109019842A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233145A (en) * | 2020-01-16 | 2020-06-05 | 桂林理工大学 | Novel inorganic-organic material synergistic rapid-separation biochemical ball and preparation method thereof |
| CN111530408A (en) * | 2020-03-26 | 2020-08-14 | 苏州仕净环保科技股份有限公司 | Spherical filler |
| CN114516703A (en) * | 2021-12-29 | 2022-05-20 | 盐城工学院 | Treatment device and treatment method suitable for rural sewage treatment |
| CN115504566A (en) * | 2022-10-28 | 2022-12-23 | 四川龙源智造水处理设备有限公司 | Biological strain packing container for sewage treatment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3110859A1 (en) * | 1980-03-25 | 1982-01-07 | Faigle Kunststoffe Gesellschaft mbH, 6971 Hard | Multi-purpose element, in particular a filler for installations for exchanging energy and/or mass or for eliminating drops |
| CN2782667Y (en) * | 2005-03-31 | 2006-05-24 | 上海中耀环保实业有限公司 | Outer cover type arc stack suspension organism carrier |
| CN101628758A (en) * | 2009-08-04 | 2010-01-20 | 中国人民解放军后勤工程学院 | Modified PVC biologic filler |
| KR100987130B1 (en) * | 2010-04-07 | 2010-10-11 | (주)상록이티씨 | Carrier and sewage treatment method using carrier and bioreactor |
| KR20110010904A (en) * | 2009-07-27 | 2011-02-08 | 김도선 | Fluidized bed media |
| CN107265913A (en) * | 2016-04-08 | 2017-10-20 | 南京唯才新能源科技有限公司 | A kind of aerogel composite and preparation method thereof |
-
2018
- 2018-07-11 CN CN201810754557.2A patent/CN109019842A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3110859A1 (en) * | 1980-03-25 | 1982-01-07 | Faigle Kunststoffe Gesellschaft mbH, 6971 Hard | Multi-purpose element, in particular a filler for installations for exchanging energy and/or mass or for eliminating drops |
| CN2782667Y (en) * | 2005-03-31 | 2006-05-24 | 上海中耀环保实业有限公司 | Outer cover type arc stack suspension organism carrier |
| KR20110010904A (en) * | 2009-07-27 | 2011-02-08 | 김도선 | Fluidized bed media |
| CN101628758A (en) * | 2009-08-04 | 2010-01-20 | 中国人民解放军后勤工程学院 | Modified PVC biologic filler |
| KR100987130B1 (en) * | 2010-04-07 | 2010-10-11 | (주)상록이티씨 | Carrier and sewage treatment method using carrier and bioreactor |
| CN107265913A (en) * | 2016-04-08 | 2017-10-20 | 南京唯才新能源科技有限公司 | A kind of aerogel composite and preparation method thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111233145A (en) * | 2020-01-16 | 2020-06-05 | 桂林理工大学 | Novel inorganic-organic material synergistic rapid-separation biochemical ball and preparation method thereof |
| CN111530408A (en) * | 2020-03-26 | 2020-08-14 | 苏州仕净环保科技股份有限公司 | Spherical filler |
| CN114516703A (en) * | 2021-12-29 | 2022-05-20 | 盐城工学院 | Treatment device and treatment method suitable for rural sewage treatment |
| CN115504566A (en) * | 2022-10-28 | 2022-12-23 | 四川龙源智造水处理设备有限公司 | Biological strain packing container for sewage treatment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109019842A (en) | A kind of spherical suspending biologic packing material | |
| Jiang et al. | A Double cross-linked strategy to construct graphene aerogels with highly efficient methylene blue adsorption performance | |
| CN105238361B (en) | A kind of multi-functional microencapsulated phase change material based on silver/silicon dioxide bilayer wall material and preparation method thereof | |
| CN104961121B (en) | Preparation method for nitrogen-doped nuclear shell hollow carbon | |
| CN107213881B (en) | A kind of Preparation method and use of active carbon base inorganic-organic hybrid profile material | |
| US20170173571A1 (en) | Composite material used for catalyzing and degrading nitrogen oxide and preparation method and application thereof | |
| CN104759268B (en) | Preparation method of ACF/GO/PEI composite material capable of efficiently adsorbing heavy metal | |
| CN109603751A (en) | A kind of preparation method of charcoal load zero-valent iron composite material | |
| CN107159068A (en) | A kind of preparation method of graphene composite aerogel | |
| CN105254916A (en) | Preparation method for oxidized graphene-poly-dopamine composite aerogel | |
| CN109577005A (en) | A kind of preparation method and applications of the ZIF-8 functionalized nano-fiber film of poly-dopamine modification | |
| CN104923177B (en) | Preparation method of hydrophobic lipophilic sponge aerogel composite material | |
| CN104801245B (en) | Epoxy resin filling aligned carbon nanotube bundle capsules and preparation method thereof | |
| CN103159891B (en) | Magnetic amino-modified superhighly-crosslinked resin and preparation method thereof | |
| WO2011034327A2 (en) | Absorbent containing chitosan for treating water and method for manufacturing same | |
| CN105252015A (en) | Yolk-eggshell structure Au@ hollow carbon nanosphere composite material and preparation and application thereof | |
| CN106824069B (en) | For handling the preparation method of the rear-earth-doped iron Carbon Materials of arsenic-containing waste water | |
| CN110124616A (en) | A kind of modification biological charcoal and its method of modifying and application | |
| CN109830668A (en) | The method that lithium ion battery silicon-carbon cathode material is prepared using carbon nanotube | |
| CN106904603A (en) | A kind of corrosion inhibiter microcapsules based on graphene roll and preparation method thereof | |
| CN105384832A (en) | Preparation technology of crosslinked starch capable of preventing shearing force | |
| CN101947423A (en) | Preparation method of phase-change energy-storage microcapsule | |
| CN109603748A (en) | For handling the composite material and preparation method of oily waste water | |
| CN105418773A (en) | Preparation process for crosslinking starch | |
| CN105384831A (en) | Preparation method of crosslinked starch containing 3-chloro-1,2-epoxypropane |
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: 20181218 |