CN105669126B - A kind of high-strength foam thermal insulation concrete and preparation method thereof - Google Patents

A kind of high-strength foam thermal insulation concrete and preparation method thereof Download PDF

Info

Publication number
CN105669126B
CN105669126B CN201610020452.5A CN201610020452A CN105669126B CN 105669126 B CN105669126 B CN 105669126B CN 201610020452 A CN201610020452 A CN 201610020452A CN 105669126 B CN105669126 B CN 105669126B
Authority
CN
China
Prior art keywords
parts
added
weight
thermal insulation
filler
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.)
Expired - Fee Related
Application number
CN201610020452.5A
Other languages
Chinese (zh)
Other versions
CN105669126A (en
Inventor
黄耀祖
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan city Shunde District Lunjiao Hong Xing Building Materials Co. Ltd.
Original Assignee
Foshan City Shunde District Lunjiao Hong Xing Building Materials Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Foshan City Shunde District Lunjiao Hong Xing Building Materials Co Ltd filed Critical Foshan City Shunde District Lunjiao Hong Xing Building Materials Co Ltd
Priority to CN201610020452.5A priority Critical patent/CN105669126B/en
Publication of CN105669126A publication Critical patent/CN105669126A/en
Application granted granted Critical
Publication of CN105669126B publication Critical patent/CN105669126B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • C04B28/02Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
    • C04B28/04Portland cements
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/40Porous or lightweight materials
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/30Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
    • C04B2201/32Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2201/00Mortars, concrete or artificial stone characterised by specific physical values
    • C04B2201/50Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Organic Chemistry (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The high-strength foam thermal insulation concrete of the present invention, is prepared from the following raw materials in parts by weight:88~98 parts of Portland cement, 60~65 parts of active filler, 18~20 parts of filler of reinforcing, compound 13~15 parts of foaming agent, 3~4 parts of calcium nitrite, 5~6 parts of polycarboxylate water-reducer, 58~66 parts of Nitrilon waste water;The active filler is made up of flyash, zirconium boride, metakaolin, zinc hydrometallurgy waste residue;The reinforcing filler is made up of sepiolite fibre, vinal, polyvinylpyrrolidone, hydrogenated rosin;The compound foaming agent is made up of alkyl polyglucoside, sodium carboxymethylcellulose, pentaerythritol stearate, hydrogen peroxide.It is made up of special formula and foam process.With unexpected high intensity and relatively low density and heat conductivility, combination property is protruded, and effects of energy conservation and environmental protection is obvious.

Description

A kind of high-strength foam thermal insulation concrete and preparation method thereof
Technical field
The invention belongs to construction engineering technical field, specially a kind of high-strength foam thermal insulation concrete and preparation method thereof.
Background technology
Foam concrete is typically that the foaming agent aqueous solution mechanically is prepared into foam, then foam is added to siliceous In the slurries of composition such as material, calcareous material, water and various additives, blended stirring, moulding by casting, the one of maintenance Plant porous material.Due to containing a large amount of blind bore gaps in foam concrete, following good physical and mechanical property is made it have.
The species of foam concrete is a lot, but most commonly cement foam concrete.Cement foam concrete is according to it Admixture is different can be divided into cement-fly ash-lime type, cement-slag-lime-gypsum type, cement-fly ash-sand-stone again Grey type, the lime type of one sand of cement one, cement-slag-fly ashlime-plant-fibre type, cement-sand-fiberglass type etc. Type.
Chinese invention patent application 201010140498.3 discloses a kind of high-performance foam concrete and preparation method thereof, By 500~1000 parts of cement, 0~500 part of admixture, additive 5~20,1~200 part of Ludox, 5~20 parts of foaming agent, water 500~700 parts of compositions, its preparation method is first foaming agent to be first dissolved in water foam is made by machinery, then adds foam Enter to cement slurry, it is 330~400kg/m that it, which dries apparent density,3, compression strength reaches 1~2MPa, and thermal conductivity factor is less than 0.06~0.08W/m.K.
The content of the invention
Present invention aims to overcome that there is provided a kind of high-strength foam thermal insulation concrete and its preparation for deficiency of the prior art Method.
The high-strength foam thermal insulation concrete of the present invention, is prepared from the following raw materials in parts by weight:Portland cement 88~ 98 parts, 60~65 parts of active filler, 18~20 parts of filler of reinforcing, compound 13~15 parts of foaming agent, 3~4 parts of calcium nitrite, poly- carboxylic Sour 5~6 parts of water reducer, 58~66 parts of Nitrilon waste water;
The active filler is made up of flyash, zirconium boride, metakaolin, zinc hydrometallurgy waste residue;
The reinforcing filler is made up of sepiolite fibre, vinal, polyvinylpyrrolidone, hydrogenated rosin;
The compound foaming agent is by alkyl polyglucoside, sodium carboxymethylcellulose, pentaerythritol stearate, hydrogen peroxide group Into.
As optimization, the high-strength foam thermal insulation concrete is prepared from the following raw materials in parts by weight:Portland cement 90 parts, 35 parts of flyash, 5 parts of zirconium boride, 7 parts of metakaolin, 15 parts of zinc hydrometallurgy waste residue, 7 parts of sepiolite fibre, polyvinyl alcohol 5 parts of fiber, 3 parts of polyvinylpyrrolidone, 4 parts of hydrogenated rosin, 4 parts of alkyl polyglucoside, 3 parts of sodium carboxymethylcellulose, season penta 2 parts of tetrol stearate, 5 parts of hydrogen peroxide, 3.5 parts of calcium nitrite, 5.5 parts of polycarboxylate water-reducer, 62 parts of Nitrilon waste water.
As optimization, the high-strength foam thermal insulation concrete, the flyash particle diameter is 8~10 μm, zirconium boride particle diameter be 5~ 8 μm, metakaolin particle diameter be 8~10 μm, zinc hydrometallurgy waste residue particle diameter be 10~20 μm.
A kind of method for preparing the high-strength foam thermal insulation concrete, comprises the following steps:
A, by the flyash of the parts by weight, zirconium boride, metakaolin, zinc hydrometallurgy waste residue, be added in mixer, Stir;
B, by the sepiolite fibre of the parts by weight, vinal, polyvinylpyrrolidone, hydrogenated rosin, nitrile Synthetic fibre waste water is added in mixer, is stirred;
C, the Portland cement by the parts by weight, are added in the mixture in step B, with 450~550 Turn/min speed stirs 10 minutes;Then the mixture added in step A, 50 points are stirred with 450~550 turns/min speed Clock;
D, by the calcium nitrite of the parts by weight, polycarboxylate water-reducer, be added in the mixture in step C, and with 300~350 turns/min speed is stirred 6~8 minutes;Then alkyl polyglucoside, the carboxymethyl for adding the parts by weight are fine The plain sodium of dimension, pentaerythritol stearate, hydrogen peroxide, under the conditions of 50~60 DEG C, 15 are stirred with 500~650 turns/min speed ~20 minutes;
E, step D mixture is poured into die for molding, curing and demolding, the lightweight coagulation of size needed for cutting into Native product.
The high-strength foam thermal insulation concrete of the present invention, is used as building thermal insulation material, excellent performance.Particularly with the addition of active filler It is made up of flyash, zirconium boride, metakaolin, zinc hydrometallurgy waste residue;Strengthen filler by sepiolite fibre, vinal, Polyvinylpyrrolidone, hydrogenated rosin composition;And by compound foaming agent by alkyl polyglucoside, sodium carboxymethylcellulose, season Penta tetrol stearate, hydrogen peroxide composition;It is made up of special formula and foam process.With unexpected high intensity and Relatively low density and heat conductivility, combination property are protruded, and effects of energy conservation and environmental protection is obvious.
Major parameter contrast is as follows:
Major parameter contrasts situation
Classification index Bulk density 28d compression strength Thermal conductivity factor Combustibility
Styrofoam 36~44kg/m3 130~230KPa 0.36W/m.K A1 grades non-ignitable
Embodiment 1 277kg/m3 2812KPa 0.063W/m.K A1 grades non-ignitable
Embodiment 2 279kg/m3 2801KPa 0.064W/m.K A1 grades non-ignitable
Embodiment 3 281kg/m3 2799KPa 0.064W/m.K A1 grades non-ignitable
Embodiment
The invention will be further described for example given below plan, but is not to be construed as to the scope of the present invention Limitation, some the nonessential modifications and adaptations of those skilled in the art according to present invention to the present invention still fall within this The protection domain of invention.
Embodiment 1:
A, by particle diameter be 8~10 μm of 35 kilograms of flyash, particle diameter be 5~8 μm of 5 kilograms of zirconium borides, particle diameter be 8~10 μm partially 7 kilograms of kaolin, particle diameter are 10~20 μm of 15 kilograms of zinc hydrometallurgy waste residues, are added in mixer, stir;
B, by 7 kilograms of sepiolite fibre, 5 kilograms of vinal, 3 kilograms of polyvinylpyrrolidone, hydrogenated rosin 4,000 Gram, 62 kilograms of Nitrilon waste water be added in mixer, stir;
C, by 90 kilograms of Portland cement, be added in the mixture in step B, with 450~550 turns/min speed Degree stirring 10 minutes;Then the mixture added in step A, is stirred 50 minutes with 450~550 turns/min speed;
D, the BKS-199 polycarboxylate water-reducers for producing 3.5 kilograms of calcium nitrite, the chemical limited company of Shandong Bock 5.5 kilograms, it is added in the mixture in step C, and is stirred 6~8 minutes with 300~350 turns/min speed;Then add 4 kilograms of alkyl polyglucoside, 3 kilograms of sodium carboxymethylcellulose, 2 kilograms of pentaerythritol stearate, 5 kilograms of hydrogen peroxide, 50 Under the conditions of~60 DEG C, stirred 15~20 minutes with 500~650 turns/min speed;
E, step D mixture is poured into die for molding, curing and demolding, the lightweight coagulation of size needed for cutting into Native product.
Embodiment 2:
A, by particle diameter be 8~10 μm of 34 kilograms of flyash, particle diameter be 5~8 μm of 5 kilograms of zirconium borides, particle diameter be 8~10 μm partially 7 kilograms of kaolin, particle diameter are 10~20 μm of 14 kilograms of zinc hydrometallurgy waste residues, are added in mixer, stir;
B, by 6 kilograms of sepiolite fibre, 5 kilograms of vinal, 3 kilograms of polyvinylpyrrolidone, hydrogenated rosin 4,000 Gram, 58 kilograms of Nitrilon waste water be added in mixer, stir;
C, by 88 kilograms of Portland cement, be added in the mixture in step B, with 450~550 turns/min speed Degree stirring 10 minutes;Then the mixture added in step A, is stirred 50 minutes with 450~550 turns/min speed;
D, the BKS-199 polycarboxylate water-reducers 5 for producing 3 kilograms of calcium nitrite, the chemical limited company of Shandong Bock Kilogram, it is added in the mixture in step C, and stirred 6~8 minutes with 300~350 turns/min speed;Then alkane is added 3 kilograms of base polyglucoside, 3 kilograms of sodium carboxymethylcellulose, 2 kilograms of pentaerythritol stearate, 5 kilograms of hydrogen peroxide, 50~ Under the conditions of 60 DEG C, stirred 15~20 minutes with 500~650 turns/min speed;
E, step D mixture is poured into die for molding, curing and demolding, the lightweight coagulation of size needed for cutting into Native product.
Embodiment 3:
A, by particle diameter be 8~10 μm of 36 kilograms of flyash, particle diameter be 5~8 μm of 5 kilograms of zirconium borides, particle diameter be 8~10 μm partially 8 kilograms of kaolin, particle diameter are 10~20 μm of 16 kilograms of zinc hydrometallurgy waste residues, are added in mixer, stir;
B, by 6.5 kilograms of sepiolite fibre, 6 kilograms of vinal, 3 kilograms of polyvinylpyrrolidone, hydrogenated rosin 4.5 kilograms, 66 kilograms of Nitrilon waste water be added in mixer, stir;
C, by 98 kilograms of Portland cement, be added in the mixture in step B, with 450~550 turns/min speed Degree stirring 10 minutes;Then the mixture added in step A, is stirred 50 minutes with 450~550 turns/min speed;
D, the BKS-199 polycarboxylate water-reducers 6 for producing 4 kilograms of calcium nitrite, the chemical limited company of Shandong Bock Kilogram, it is added in the mixture in step C, and stirred 6~8 minutes with 300~350 turns/min speed;Then institute is added 4 kilograms of alkyl polyglucoside, 3 kilograms of sodium carboxymethylcellulose, 2 kilograms of pentaerythritol stearate, 6 kilograms of hydrogen peroxide are stated, Under the conditions of 50~60 DEG C, stirred 15~20 minutes with 500~650 turns/min speed;
E, step D mixture is poured into die for molding, curing and demolding, the lightweight coagulation of size needed for cutting into Native product.

Claims (4)

1. a kind of high-strength foam thermal insulation concrete, it is characterised in that be to be prepared from the following raw materials in parts by weight:
88~98 parts of Portland cement, 60~65 parts of active filler, 18~20 parts of filler of reinforcing, compound foaming agent 13~15 Part, 3~4 parts of calcium nitrite, 5~6 parts of polycarboxylate water-reducer, 58~66 parts of Nitrilon waste water;
The active filler is made up of flyash, zirconium boride, metakaolin, zinc hydrometallurgy waste residue;
The reinforcing filler is made up of sepiolite fibre, vinal, polyvinylpyrrolidone, hydrogenated rosin;
The compound foaming agent is made up of alkyl polyglucoside, sodium carboxymethylcellulose, pentaerythritol stearate, hydrogen peroxide.
2. high-strength foam thermal insulation concrete according to claim 1, it is characterised in that by the raw material system of following parts by weight Into:
90 parts of Portland cement, 35 parts of flyash, 5 parts of zirconium boride, 7 parts of metakaolin, 15 parts of zinc hydrometallurgy waste residue, Hai Pao 7 parts of mineral wool, 5 parts of vinal, 3 parts of polyvinylpyrrolidone, 4 parts of hydrogenated rosin, 4 parts of alkyl polyglucoside, carboxylic first 3 parts of base sodium cellulosate, 2 parts of pentaerythritol stearate, 5 parts of hydrogen peroxide, 3.5 parts of calcium nitrite, 5.5 parts of polycarboxylate water-reducer, 62 parts of Nitrilon waste water.
3. high-strength foam thermal insulation concrete according to claim 1, it is characterised in that the flyash particle diameter is 8~10 μ M, zirconium boride particle diameter are 5~8 μm, metakaolin particle diameter is 8~10 μm, zinc hydrometallurgy waste residue particle diameter is 10~20 μm.
4. a kind of method for preparing high-strength foam thermal insulation concrete described in one claim of any of the above, it is characterised in that including Following steps:
A, by the flyash of the parts by weight, zirconium boride, metakaolin, zinc hydrometallurgy waste residue, be added in mixer, stir Uniformly;
B, by the sepiolite fibre of the parts by weight, vinal, polyvinylpyrrolidone, hydrogenated rosin, acrylic fibers give up Water is added in mixer, is stirred;
C, the Portland cement by the parts by weight, are added in the mixture in step B, with 450~550 turns/min Speed stir 10 minutes;Then the mixture added in step A, is stirred 50 minutes with 450~550 turns/min speed;
D, by the calcium nitrite of the parts by weight, polycarboxylate water-reducer, be added in the mixture in step C, and with 300~ 350 turns/min speed is stirred 6~8 minutes;Then alkyl polyglucoside, the carboxymethyl cellulose of the parts by weight are added Sodium, pentaerythritol stearate, hydrogen peroxide, under the conditions of 50~60 DEG C, 15~20 are stirred with 500~650 turns/min speed Minute;
E, step D mixture is poured into die for molding, curing and demolding, the lightweight concrete system of size needed for cutting into Product.
CN201610020452.5A 2016-01-13 2016-01-13 A kind of high-strength foam thermal insulation concrete and preparation method thereof Expired - Fee Related CN105669126B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610020452.5A CN105669126B (en) 2016-01-13 2016-01-13 A kind of high-strength foam thermal insulation concrete and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610020452.5A CN105669126B (en) 2016-01-13 2016-01-13 A kind of high-strength foam thermal insulation concrete and preparation method thereof

Publications (2)

Publication Number Publication Date
CN105669126A CN105669126A (en) 2016-06-15
CN105669126B true CN105669126B (en) 2017-09-12

Family

ID=56300313

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610020452.5A Expired - Fee Related CN105669126B (en) 2016-01-13 2016-01-13 A kind of high-strength foam thermal insulation concrete and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105669126B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110526666A (en) * 2019-09-25 2019-12-03 湖州乌米科技有限公司 A kind of high strength sound foam concrete

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000061519A1 (en) * 1999-04-09 2000-10-19 James Hardie Research Pty Limited Concrete formulation
CN103771803A (en) * 2014-01-10 2014-05-07 同济大学 Foam concrete with efficient sound-absorption and heat-preservation functions and preparation method thereof
CN105130336A (en) * 2015-08-17 2015-12-09 陕西建科节能发展有限公司 Preparation method of foam concrete
CN105201154A (en) * 2015-08-17 2015-12-30 陕西建科节能发展有限公司 Method for cast-in-place of foam concrete on roof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000061519A1 (en) * 1999-04-09 2000-10-19 James Hardie Research Pty Limited Concrete formulation
CN103771803A (en) * 2014-01-10 2014-05-07 同济大学 Foam concrete with efficient sound-absorption and heat-preservation functions and preparation method thereof
CN105130336A (en) * 2015-08-17 2015-12-09 陕西建科节能发展有限公司 Preparation method of foam concrete
CN105201154A (en) * 2015-08-17 2015-12-30 陕西建科节能发展有限公司 Method for cast-in-place of foam concrete on roof

Also Published As

Publication number Publication date
CN105669126A (en) 2016-06-15

Similar Documents

Publication Publication Date Title
CN102942381B (en) Light building material prepared by using iron tailing and preparation method of light building material
CN104402345A (en) High fluidization micro expansive high-strength grouting material
CN110451906B (en) Light sound insulation material and preparation method thereof
CN105541386B (en) A kind of concrete aerated insulating brick and preparation method thereof
CN103113077A (en) Desulfurization gypsum concrete
CN103771807A (en) Light aggregate cell concrete self-insulating building block and preparation method thereof
CN107352836A (en) Superpower nucleus of ultra early-strength concrete admixture and preparation method thereof
CN103992066B (en) A kind of antistripping aerated bricks and preparation method thereof
CN111333377A (en) High-tensile-strength concrete and preparation method thereof
CN105669126B (en) A kind of high-strength foam thermal insulation concrete and preparation method thereof
CN104310915A (en) High-strength thermal insulation foam concrete and preparation method thereof
CN109678384A (en) A kind of dedicated early-strength admixture of prefabricated components concrete
CN112661529A (en) Aerated concrete building material and production process thereof
CN110451874B (en) Cast-in-place light wall board and preparation method thereof
CN111978042A (en) Environment-friendly composite quick-drying high-performance concrete
RU2448929C1 (en) Crude mixture and method of producing said mixture for nanostructured autoclave foamed concrete
CN115536358A (en) Industrial solid waste carbonization and solidification baking-free building block and preparation method thereof
CN113402187B (en) Energy-storage phosphorus building gypsum aggregate and preparation method thereof
CN115490454A (en) Slow-release plastic stabilizing agent for wet-mixed mortar
CN112250467B (en) Sepiolite aerated concrete block and preparation process thereof
CN108358522A (en) One kind is non-evaporating to support lightweight aerated brick and preparation method thereof
CN108298944B (en) Phosphate cement foam concrete and preparation method thereof
CN112430026A (en) Recycled concrete based on waste concrete and preparation method thereof
CN106747191A (en) The enhanced steam pressurized brick of modified carbon nano-tube waterproof is mixed in one kind
CN107555930B (en) High-strength water-blocking aerated concrete building block and preparation method thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Huang Yaozu

Inventor before: Wang Hubin

TA01 Transfer of patent application right

Effective date of registration: 20170809

Address after: Shunde District Lunjiao Street nepheline village 528308 Guangdong province Foshan city embankment No. three

Applicant after: Foshan city Shunde District Lunjiao Hong Xing Building Materials Co. Ltd.

Address before: 322100, Zhejiang, Jinhua province Dongyang Jiangbei Street Gan Wang village account

Applicant before: Wang Hubin

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170912

Termination date: 20210113

CF01 Termination of patent right due to non-payment of annual fee