CN107793069A - A kind of construction refuse regenerated pavior brick and preparation method thereof - Google Patents
A kind of construction refuse regenerated pavior brick and preparation method thereof Download PDFInfo
- Publication number
- CN107793069A CN107793069A CN201710982721.0A CN201710982721A CN107793069A CN 107793069 A CN107793069 A CN 107793069A CN 201710982721 A CN201710982721 A CN 201710982721A CN 107793069 A CN107793069 A CN 107793069A
- Authority
- CN
- China
- Prior art keywords
- parts
- construction refuse
- refuse regenerated
- polyamide
- pavior brick
- 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
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/10—Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/20—Polyamides
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/00241—Physical properties of the materials not provided for elsewhere in C04B2111/00
- C04B2111/00284—Materials permeable to liquids
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
-
- 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
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of construction refuse regenerated pavior brick and preparation method thereof, belong to building material technical field.It is made up of the raw material of following parts by weight：20 30 parts of 20 40 parts of construction refuse regenerated aggregate, 10 20 parts of reinforcing agent, 10 16 parts of water reducer, 5 15 parts of talcum powder, 10 20 parts of unsaturated polyester resin, 5 15 parts of clay, 10 20 parts of hydroxyl silicon curing sealing agent, 20 60 parts of coal gangue particle, 20 60 parts of water and polyamide.The construction refuse regenerated pavior brick intensity of the present invention is high, wearability is good, steady quality, and service life length, cost is low, can turn waste into wealth, environmental protection and energy saving, has good economic benefit and extensive social benefit.
Description
Technical field
The present invention relates to a kind of construction refuse regenerated pavior brick and preparation method thereof, belong to building material technical field.
Background technology
Building waste is the chief component of municipal refuse.Currently building waste is treated with traditional air storage, depth
Based on excavation and filling buries, although this mode treating capacity is big, convenient and simple, processing cost is low, really land resource is occupied.
If building waste can not recycle in time, environment is not only polluted, also creates the wasting of resources.
The content of the invention
An object of the present invention, it is to provide a kind of construction refuse regenerated pavior brick.The construction refuse regenerated road of the present invention
Face brick intensity is high, wearability is good, steady quality, and service life length, cost is low, can turn waste into wealth, environmental protection and energy saving, has very
Good economic benefit and extensive social benefit.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of construction refuse regenerated pavior brick, by weighing as follows
The raw material of amount number is made：Construction refuse regenerated aggregate 20-40 parts, reinforcing agent 10-20 parts, water reducer 10-16 parts, talcum powder
5-15 parts, unsaturated polyester resin 10-20 parts, clay 5-15 parts, hydroxyl silicon curing sealing agent 10-20 parts, coal gangue particle 20-
60 parts, water 20-60 parts and polyamide 20-30 parts.
On the basis of above-mentioned technical proposal, the present invention can also do following improvement.
Further, it is made up of the raw material of following parts by weight：30 parts of construction refuse regenerated aggregate, 15 parts of reinforcing agent, diminishing
13 parts of agent, 10 parts of talcum powder, 15 parts of unsaturated polyester resin, 10 parts of clay, 15 parts of hydroxyl silicon curing sealing agent, coal gangue particle
25 parts of 40 parts, 40 parts of water and polyamide.
Further, the construction refuse regenerated aggregate refers to that the particle diameter through crushing, sieve, being obtained after impurities removing is
2-10mm building waste.
Further, the reinforcing agent is wollastonite powder and redispersable latex powder in mass ratio 1:3 mixture.
Further, the water reducer is high-efficiency water-reducing agent of poly-carboxylic acid.
Further, the polyamide is one kind in polyamide -6, polyamide -66 or polyamide -610.
The second object of the present invention, it is to put on the preparation method for stating construction refuse regenerated pavior brick.The preparation side of the present invention
Method is simple, wide market, is adapted to large-scale production.
The technical scheme that the present invention solves above-mentioned technical problem is as follows：A kind of preparation side of construction refuse regenerated pavior brick
Method, comprise the following steps：
(1) raw material of following parts by weight is taken：Construction refuse regenerated aggregate 20-40 parts, reinforcing agent 10-20 parts, water reducer
10-16 parts, talcum powder 5-15 parts, unsaturated polyester resin 10-20 parts, clay 5-15 parts, hydroxyl silicon curing sealing agent 10-20 parts,
Coal gangue particle 20-60 parts, water 20-60 parts and polyamide 20-30 parts；
(2) after construction refuse regenerated aggregate and talcum powder being mixed evenly, reinforcing agent and water reducer is added and is stirred
Uniformly, 12-20 hours are stood；
(3) unsaturated polyester resin, clay, coal gangue particle, the sealing of hydroxyl silicon are added into the mixing aggregate after standing
Curing agent, polyamide, added water after well mixed and stir to obtain mixed slurry, mixed slurry is pressed using block machine
Forming processes processed, briquetting pressure 5-15MPa, molding time 30-40s；
(4) step (3) is prepared to the fragment of brick of shaping in normal temperature, humidity carries out maintenance processing 5- under conditions of being 90-95%
After 25 days, then grinding and buffing processing is carried out to its surface, that is, obtain the construction refuse regenerated pavior brick.
The beneficial effects of the invention are as follows：
(1) construction refuse regenerated pavior brick intensity of the invention is high, wearability is good, steady quality, service life length, into
This is low, can turn waste into wealth, environmental protection and energy saving, have good economic benefit and extensive social benefit.
(2) product of the present invention can be widely used for square, residential district, landscape road, pavement, gardens, warehouse
The fields such as level ground, there is the advantages such as resistance to compression, folding intensity height, good water permeability, ultra-violet radiation resisting, ageing resistance and chemical resistance, make
Use long lifespan.
(3) each low raw-material cost of the invention, preparation method is simple, wide market, is adapted to large-scale production.
Embodiment
The principle and feature of the present invention are described below in conjunction with specific embodiment, example is served only for explaining this
Invention, is not intended to limit the scope of the present invention.
Embodiment 1：
The construction refuse regenerated pavior brick of the present embodiment, is made up of the raw material of following weight：Construction refuse regenerated aggregate
20kg, reinforcing agent 20kg, water reducer 10kg, talcum powder 15kg, unsaturated polyester resin 10kg, clay 15kg, the sealing of hydroxyl silicon are solid
Agent 10kg, coal gangue particle 60kg, water 20kg and kymene 0kg, wherein, the construction refuse regenerated aggregate refers to through powder
The building waste that broken, screening, the particle diameter obtained after impurities removing are 2-10mm, the reinforcing agent are wollastonite powder and redispersible
Latex powder in mass ratio 1:3 mixture, the water reducer are high-efficiency water-reducing agent of poly-carboxylic acid, and the polyamide is polyamide -6.
The preparation method of above-mentioned construction refuse regenerated pavior brick, comprises the following steps：
(1) raw material of following weight is taken：Construction refuse regenerated aggregate 20kg, reinforcing agent 20kg, water reducer 10kg, talcum
Powder 15kg, unsaturated polyester resin 10kg, clay 15kg, hydroxyl silicon curing sealing agent 10kg, coal gangue particle 60kg, water 20kg
With kymene 0kg；
(2) after construction refuse regenerated aggregate and talcum powder being mixed evenly, reinforcing agent and water reducer is added and is stirred
Uniformly, 12 hours are stood；
(3) unsaturated polyester resin, clay, coal gangue particle, the sealing of hydroxyl silicon are added into the mixing aggregate after standing
Curing agent, polyamide, added water after well mixed and stir to obtain mixed slurry, mixed slurry is pressed using block machine
Forming processes processed, briquetting pressure 5MPa, molding time 40s；
(4) step (3) is prepared to the fragment of brick of shaping in normal temperature, humidity carries out maintenance processing 5 days under conditions of being 90%
Afterwards, then to its surface grinding and buffing processing is carried out, that is, obtains the construction refuse regenerated pavior brick.
Embodiment 2：
The construction refuse regenerated pavior brick of the present embodiment, is made up of the raw material of following weight：Construction refuse regenerated aggregate
30kg, reinforcing agent 15kg, water reducer 13kg, talcum powder 10kg, unsaturated polyester resin 15kg, clay 10kg, the sealing of hydroxyl silicon are solid
Agent 15kg, coal gangue particle 40kg, water 40kg and polyamide 25kg, wherein, the construction refuse regenerated aggregate refers to through powder
The building waste that broken, screening, the particle diameter obtained after impurities removing are 2-10mm, the reinforcing agent are wollastonite powder and redispersible
Latex powder in mass ratio 1:3 mixture, the water reducer are high-efficiency water-reducing agent of poly-carboxylic acid, the polyamide be polyamide-
66。
The preparation method of above-mentioned construction refuse regenerated pavior brick, comprises the following steps：
(1) raw material of following weight is taken：Construction refuse regenerated aggregate 30kg, reinforcing agent 15kg, water reducer 13kg, talcum
Powder 10kg, unsaturated polyester resin 15kg, clay 10kg, hydroxyl silicon curing sealing agent 15kg, coal gangue particle 40kg, water 40kg
With polyamide 25kg；
(2) after construction refuse regenerated aggregate and talcum powder being mixed evenly, reinforcing agent and water reducer is added and is stirred
Uniformly, 16 hours are stood；
(3) unsaturated polyester resin, clay, coal gangue particle, the sealing of hydroxyl silicon are added into the mixing aggregate after standing
Curing agent, polyamide, added water after well mixed and stir to obtain mixed slurry, mixed slurry is pressed using block machine
Forming processes processed, briquetting pressure 10MPa, molding time 35s；
(4) step (3) is prepared to the fragment of brick of shaping in normal temperature, humidity carries out maintenance processing 15 days under conditions of being 92%
Afterwards, then to its surface grinding and buffing processing is carried out, that is, obtains the construction refuse regenerated pavior brick.
Embodiment 3：
The construction refuse regenerated pavior brick of the present embodiment, is made up of the raw material of following weight：Construction refuse regenerated aggregate
40kg, reinforcing agent 10kg, water reducer 16kg, talcum powder 5kg, unsaturated polyester resin 20kg, clay 5kg, hydroxyl silicon sealing and curing
Agent 20kg, coal gangue particle 20kg, water 60kg and polyamide 20kg, wherein, the construction refuse regenerated aggregate refers to through powder
The building waste that broken, screening, the particle diameter obtained after impurities removing are 2-10mm, the reinforcing agent are wollastonite powder and redispersible
Latex powder in mass ratio 1:3 mixture, the water reducer are high-efficiency water-reducing agent of poly-carboxylic acid, the polyamide be polyamide-
610。
The preparation method of above-mentioned construction refuse regenerated pavior brick, comprises the following steps：
(1) raw material of following weight is taken：Construction refuse regenerated aggregate 40kg, reinforcing agent 10kg, water reducer 16kg, talcum
Powder 5kg, unsaturated polyester resin 20kg, clay 5kg, hydroxyl silicon curing sealing agent 20kg, coal gangue particle 20kg, water 60kg and
Polyamide 20kg；
(2) after construction refuse regenerated aggregate and talcum powder being mixed evenly, reinforcing agent and water reducer is added and is stirred
Uniformly, 20 hours are stood；
(3) unsaturated polyester resin, clay, coal gangue particle, the sealing of hydroxyl silicon are added into the mixing aggregate after standing
Curing agent, polyamide, added water after well mixed and stir to obtain mixed slurry, mixed slurry is pressed using block machine
Forming processes processed, briquetting pressure 15MPa, molding time 40s；
(4) step (3) is prepared to the fragment of brick of shaping in normal temperature, humidity carries out maintenance processing 25 days under conditions of being 95%
Afterwards, then to its surface grinding and buffing processing is carried out, that is, obtains the construction refuse regenerated pavior brick.
The performance of construction refuse regenerated pavior brick obtained by embodiment 1-3 is detected, it is specific as shown in table 1.
The performance detection of construction refuse regenerated pavior brick obtained by the embodiment 1-3 of table 1
As can be seen here, construction refuse regenerated pavior brick intensity of the invention is high, wearability is good, steady quality, service life
Long, cost is low, can turn waste into wealth, environmental protection and energy saving, has good economic benefit and extensive social benefit.
The foregoing is only presently preferred embodiments of the present invention, be not intended to limit the invention, it is all the present invention spirit and
Within principle, any modification, equivalent substitution and improvements made etc., it should be included in the scope of the protection.
Claims (7)
1. a kind of construction refuse regenerated pavior brick, it is characterised in that be made up of the raw material of following parts by weight：It is construction refuse regenerated
It is aggregate 20-40 parts, reinforcing agent 10-20 parts, water reducer 10-16 parts, talcum powder 5-15 parts, unsaturated polyester resin 10-20 parts, viscous
Native 5-15 parts, hydroxyl silicon curing sealing agent 10-20 parts, coal gangue particle 20-60 parts, water 20-60 parts and polyamide 20-30 parts.
2. a kind of construction refuse regenerated pavior brick according to claim 1, it is characterised in that by the original of following parts by weight
Material is made：30 parts of construction refuse regenerated aggregate, 15 parts of reinforcing agent, 13 parts of water reducer, 10 parts of talcum powder, unsaturated polyester resin 15
Part, 10 parts of clay, 15 parts of hydroxyl silicon curing sealing agent, 40 parts of coal gangue particle, 40 parts of water and 25 parts of polyamide.
3. a kind of construction refuse regenerated pavior brick according to claim 1 or 2, it is characterised in that the building waste is again
Raw aggregate refers to the building waste that the particle diameter through crushing, sieve, being obtained after impurities removing is 2-10mm.
4. a kind of construction refuse regenerated pavior brick according to claim 1 or 2, it is characterised in that the reinforcing agent is silicon
Ashes and redispersable latex powder in mass ratio 1:3 mixture.
5. a kind of construction refuse regenerated pavior brick according to claim 1 or 2, it is characterised in that the water reducer is poly-
Carboxylic acid high efficiency water reducing agent.
6. a kind of construction refuse regenerated pavior brick according to claim 1 or 2, it is characterised in that the polyamide is poly-
One kind in acid amides -6, polyamide -66 or polyamide -610.
7. a kind of preparation method of construction refuse regenerated pavior brick, it is characterised in that comprise the following steps：
(1) raw material of following parts by weight is taken：Construction refuse regenerated aggregate 20-40 parts, reinforcing agent 10-20 parts, water reducer 10-16
Part, talcum powder 5-15 parts, unsaturated polyester resin 10-20 parts, clay 5-15 parts, hydroxyl silicon curing sealing agent 10-20 parts, gangue
Particle 20-60 parts, water 20-60 parts and polyamide 20-30 parts；
(2) after construction refuse regenerated aggregate and talcum powder being mixed evenly, reinforcing agent and water reducer is added and is stirred,
Stand 12-20 hours；
(3) unsaturated polyester resin, clay, coal gangue particle, hydroxyl silicon sealing and curing are added into the mixing aggregate after standing
Agent, polyamide, added water after well mixed and stir to obtain mixed slurry, mixed slurry is pressed using block machine
Processing, briquetting pressure 5-15MPa, molding time 30-40s；
(4) step (3) is prepared to the fragment of brick of shaping in normal temperature, humidity carries out maintenance processing 5-25 days under conditions of being 90-95%
Afterwards, then to its surface grinding and buffing processing is carried out, that is, obtains the construction refuse regenerated pavior brick.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710982721.0A CN107793069A (en) | 2017-10-20 | 2017-10-20 | A kind of construction refuse regenerated pavior brick and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710982721.0A CN107793069A (en) | 2017-10-20 | 2017-10-20 | A kind of construction refuse regenerated pavior brick and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107793069A true CN107793069A (en) | 2018-03-13 |
Family
ID=61534205
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710982721.0A Pending CN107793069A (en) | 2017-10-20 | 2017-10-20 | A kind of construction refuse regenerated pavior brick and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107793069A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108503919A (en) * | 2018-04-04 | 2018-09-07 | 江蔓青 | A kind of anti-aging useless rubber and plastic floor tile of environment protection type high-strength and preparation method thereof |
| CN114620994A (en) * | 2022-04-24 | 2022-06-14 | 醴陵千汇实业有限公司 | Solid waste clay and preparation method thereof |
| CN116143451A (en) * | 2022-12-02 | 2023-05-23 | 泰安市晓然园林市政工程有限公司 | Process for manufacturing artificial marble curbstone by using construction waste regeneration |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860593A (en) * | 2015-05-13 | 2015-08-26 | 刘勇 | Construction waste recycled aggregate water milled colorful paving brick and preparation method thereof |
| CN106673592A (en) * | 2017-01-10 | 2017-05-17 | 盛丹 | Method for preparing concrete pavement brick by using recycled aggregate of construction waste |
-
2017
- 2017-10-20 CN CN201710982721.0A patent/CN107793069A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104860593A (en) * | 2015-05-13 | 2015-08-26 | 刘勇 | Construction waste recycled aggregate water milled colorful paving brick and preparation method thereof |
| CN106673592A (en) * | 2017-01-10 | 2017-05-17 | 盛丹 | Method for preparing concrete pavement brick by using recycled aggregate of construction waste |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108503919A (en) * | 2018-04-04 | 2018-09-07 | 江蔓青 | A kind of anti-aging useless rubber and plastic floor tile of environment protection type high-strength and preparation method thereof |
| CN114620994A (en) * | 2022-04-24 | 2022-06-14 | 醴陵千汇实业有限公司 | Solid waste clay and preparation method thereof |
| CN114620994B (en) * | 2022-04-24 | 2023-06-02 | 醴陵千汇实业有限公司 | Solid waste ceramic mud and preparation method thereof |
| CN116143451A (en) * | 2022-12-02 | 2023-05-23 | 泰安市晓然园林市政工程有限公司 | Process for manufacturing artificial marble curbstone by using construction waste regeneration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN109020318B (en) | Baking-free solid brick utilizing redundant soil of construction waste and preparation method thereof | |
| CN113735520A (en) | Anti-cracking recycled concrete and preparation method thereof | |
| CN107793118A (en) | A kind of castoff regenerative brick and preparation method thereof | |
| CN101845866A (en) | Aerated concrete building block and preparation method thereof | |
| CN113582610A (en) | Environment-friendly inorganic artificial stone made of tungsten tailings and preparation method of environment-friendly inorganic artificial stone | |
| CN107793069A (en) | A kind of construction refuse regenerated pavior brick and preparation method thereof | |
| CN111116070A (en) | Baking-free aggregate prepared from iron tailings and preparation method thereof | |
| CN112897956A (en) | Environment-friendly inorganic artificial stone and preparation method thereof | |
| CN111689742A (en) | Industrial solid waste composite material brick and preparation method thereof | |
| CN110790547B (en) | Light high-strength concrete doped with recycled aggregate, machine-made sand and stone powder | |
| CN102126846A (en) | Manufacturing method for high pumping concrete | |
| CN105272008A (en) | Environment-friendly multifunctional brick and preparation method thereof | |
| CN107056199A (en) | A kind of environment-friendlyroad road face brick and preparation method thereof | |
| CN102701655A (en) | Environmental-protection type regeneration brick and preparation method thereof | |
| CN102850020B (en) | High temperature-resistant pavement mortar | |
| CN112456891B (en) | Pervious concrete material prepared from waste sintered bricks and application thereof | |
| CN107586082A (en) | A kind of construction refuse regenerated concrete road pavement brick and preparation method thereof | |
| CN103043956A (en) | Method for preparing energy-saving wall material by utilizing waste foam glass | |
| CN105837147A (en) | Casting used sand composite brick and preparation method | |
| CN107793099A (en) | A kind of construction refuse regenerated concrete road pavement brick and preparation method thereof | |
| CN107673706A (en) | A kind of regenerated road surface brick and preparation method thereof | |
| CN103172326A (en) | Method for preparing MU5 regenerated solid brick by building waste | |
| CN107793117A (en) | A kind of construction refuse regenerated greening brick and preparation method thereof | |
| CN107434399A (en) | A kind of construction refuse regenerated pavior brick and preparation method thereof | |
| CN107805015A (en) | A kind of regenerating bricks and tiles from building refuses and preparation method 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: 20180313 |