CN106186792B - A kind of cement fibrolite plate additive - Google Patents
A kind of cement fibrolite plate additive Download PDFInfo
- Publication number
- CN106186792B CN106186792B CN201610518313.5A CN201610518313A CN106186792B CN 106186792 B CN106186792 B CN 106186792B CN 201610518313 A CN201610518313 A CN 201610518313A CN 106186792 B CN106186792 B CN 106186792B
- Authority
- CN
- China
- Prior art keywords
- parts
- fibrolite plate
- cement fibrolite
- plant cellulose
- dehydration
- 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.)
- Active
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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0028—Aspects relating to the mixing step of the mortar preparation
- C04B40/0039—Premixtures of ingredients
-
- 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
- C04B16/00—Use of organic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of organic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B16/02—Cellulosic materials
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions 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
- C04B28/04—Portland cements
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/2038—Resistance against physical degradation
-
- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/27—Water resistance, i.e. waterproof or water-repellent materials
-
- 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
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
-
- 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
Abstract
The invention belongs to building material technical fields, particularly relate to a kind of novel concrete fiberboard additive.A kind of novel concrete fiberboard additive is made of sorbitan fatty acid ester, calcium hydroxide, hexafluoroacetylacetone, silicone oil, ammonium persulfate, cellulose ether and plant cellulose film；The sorbitan fatty acid ester, calcium hydroxide, hexafluoroacetylacetone, silicone oil, ammonium persulfate, cellulose ether and plant cellulose film parts by weight be respectively 0.05 1 parts, 13 parts, 0.025 0.5 parts, 0.025 1 parts, 0.5 5 parts, 15 parts and 1 10 parts.The cement fibrolite plate additive of the present invention can reduce cement fibrolite plate with unit weight and cost, and the cement fibrolite plate of preparation has the advantages of not easy to crack, water resistance is good.
Description
Technical field
The invention belongs to building material technical fields, particularly relate to a kind of cement fibrolite plate additive.
Background technology
At present, for example wooden cement-bonded wood chipboard of the existing fibreboard product using cement as bonding agent, the particieboard
Density is higher, using being subject to certain restrictions.Used bonding agent is mostly resinae or different to cement fibrolite plate in process of production
Cyanate etc., in process of production, easy the problems such as generating pernicious gas or higher production cost.
The information for being disclosed in the background technology part is merely intended to increase the understanding of the general background to the present invention, without answering
When being considered as recognizing or imply that information composition has been the prior art well known to persons skilled in the art in any form.
Invention content
In view of the deficiencies of the prior art, the present invention provides a kind of cement fibrolite plate additive is provided, cement fibre can be reduced
Tieing up plate has unit weight and cost, and the cement fibrolite plate of preparation has the advantages of not easy to crack, water resistance is good.
Technical solution provided by the invention is：
A kind of cement fibrolite plate additive, be by sorbitan fatty acid ester, calcium hydroxide, hexafluoroacetylacetone,
Silicone oil, ammonium persulfate, cellulose ether and plant cellulose film are formed.
Preferably, the sorbitan fatty acid ester, calcium hydroxide, hexafluoroacetylacetone, silicone oil, persulfuric acid
The parts by weight of ammonium, cellulose ether and plant cellulose film are respectively 0.05-1 parts, 1-3 parts, 0.025-0.5 parts, 0.025-1
Part, 0.5-5 parts, 1-5 parts and 1-10 parts.
Preferably, the cellulose ether is methylcellulose.
Preferably, the preparation method of the plant cellulose film, includes the following steps：
(1) it is extracted using bagasse as raw material, obtain plant cellulose；
Described is extracted as alkalinity extraction, including：By bagasse by dry → rolling → lye kiering → dehydration → carbon
Acid sodium solution dipping → dehydration → dilute acid pretreatment washing → dehydration → sodium carbonate liquor dipping → dehydration → dilute acid pretreatment washing →
Plant cellulose is made in washing → dehydration → drying；
(2) it is 10-15%'s by plant cellulose, the mass percentage of propylgallate and water in step (1)
N-methylmorpholine-N- oxide water solutions are uniformly mixed, and plant cellulose solution is made；
(3) film is made in the plant cellulose solution in step (2), it is post-treated to obtain plant cellulose film.
The present invention also provides the application method of the cement fibrolite plate additive, when in use, with Cement fibre
The mass ratio of plate is 0.05-1:100.
Compared with prior art, the present invention has the advantages that：
(1) cement fibrolite plate additive of the invention can reduce the unit weight of cement fibrolite plate.
(2) cement fibrolite plate additive of the invention can reduce the cost of cement fibrolite plate.
(3) the cement fibrolite plate performance prepared using the cement fibrolite plate additive of the present invention is good, not easy to crack, water-fast
Performance is good, and case hardness is good, not easy to crack.
Specific embodiment
The specific embodiment of the present invention is described in detail with reference to embodiment, it is to be understood that the guarantor of the present invention
Shield range is not restricted by specific implementation.
Unless otherwise explicitly stated, otherwise in entire disclosure and claims, term " comprising " or its change
It changes such as "comprising" or " including " etc. and will be understood to comprise stated element or component, and do not exclude other members
Part or other component parts.
Embodiment 1：
A kind of cement fibrolite plate additive, be by sorbitan fatty acid ester, calcium hydroxide, hexafluoroacetylacetone,
Silicone oil, ammonium persulfate, cellulose ether and plant cellulose film are formed；The sorbitan fatty acid ester, calcium hydroxide, six
Acetyl fluoride acetone, silicone oil, ammonium persulfate, cellulose ether and plant cellulose film parts by weight be respectively 0.05 part, 1 part,
0.025 part, 0.025 part, 0.5 part, 1 part and 1 part；The cellulose ether is methylcellulose；The plant cellulose film
Preparation method, include the following steps：
(1) it is extracted using bagasse as raw material, obtain plant cellulose；
Described is extracted as alkalinity extraction, including：By bagasse by dry → rolling → lye kiering → dehydration → carbon
Acid sodium solution dipping → dehydration → dilute acid pretreatment washing → dehydration → sodium carbonate liquor dipping → dehydration → dilute acid pretreatment washing →
Plant cellulose is made in washing → dehydration → drying；
(2) by step (1) plant cellulose, the N- first that the mass percentage of propylgallate and water is 10%
Base methylmorpholine-N-oxide aqueous solution is uniformly mixed, and plant cellulose solution is made；
(3) film is made in the plant cellulose solution in step (2), it is post-treated to obtain plant cellulose film.
The present invention also provides the application method of the cement fibrolite plate additive, when in use, with Cement fibre
The mass ratio of plate is 0.05:100.
Cement fibrolite plate used, by weight comprising following components：50 parts of Portland cement, 5 parts of flyash,
0.5 part of 5 parts of sawdust, 2 parts of water and water-reducing agent.
The preparation method of the cement fibrolite plate is the same as comparative example 1.
Embodiment 2：
A kind of cement fibrolite plate additive, be by sorbitan fatty acid ester, calcium hydroxide, hexafluoroacetylacetone,
Silicone oil, ammonium persulfate, cellulose ether and plant cellulose film are formed；The sorbitan fatty acid ester, calcium hydroxide, six
Acetyl fluoride acetone, silicone oil, ammonium persulfate, cellulose ether and plant cellulose film parts by weight be respectively 1 part, 3 parts, 0.5 part,
1 part, 5 parts, 5 parts and 10 parts；The cellulose ether is methylcellulose；The preparation method of the plant cellulose film, packet
Include following steps：
(1) it is extracted using bagasse as raw material, obtain plant cellulose；
Described is extracted as alkalinity extraction, including：By bagasse by dry → rolling → lye kiering → dehydration → carbon
Acid sodium solution dipping → dehydration → dilute acid pretreatment washing → dehydration → sodium carbonate liquor dipping → dehydration → dilute acid pretreatment washing →
Plant cellulose is made in washing → dehydration → drying；
(2) by step (1) plant cellulose, the N- first that the mass percentage of propylgallate and water is 15%
Base methylmorpholine-N-oxide aqueous solution is uniformly mixed, and plant cellulose solution is made；
(3) film is made in the plant cellulose solution in step (2), it is post-treated to obtain plant cellulose film.
The present invention also provides the application method of the cement fibrolite plate additive, when in use, with Cement fibre
The mass ratio of plate is 1:100.
Cement fibrolite plate used, by weight comprising following components：100 parts of Portland cement, flyash 10
Part, 15 parts of sawdust, 10 parts of water and 2.0 parts of water-reducing agent.
The preparation method of the cement fibrolite plate is the same as comparative example 1.
Embodiment 3：
A kind of cement fibrolite plate additive, be by sorbitan fatty acid ester, calcium hydroxide, hexafluoroacetylacetone,
Silicone oil, ammonium persulfate, cellulose ether and plant cellulose film are formed；The sorbitan fatty acid ester, calcium hydroxide, six
Acetyl fluoride acetone, silicone oil, ammonium persulfate, cellulose ether and plant cellulose film parts by weight be respectively 0.08 part, 2 parts, 0.3
Part, 0.5 part, 2 parts, 3 parts and 8 parts；The cellulose ether is methylcellulose；The preparation side of the plant cellulose film
Method includes the following steps：
(1) it is extracted using bagasse as raw material, obtain plant cellulose；
Described is extracted as alkalinity extraction, including：By bagasse by dry → rolling → lye kiering → dehydration → carbon
Acid sodium solution dipping → dehydration → dilute acid pretreatment washing → dehydration → sodium carbonate liquor dipping → dehydration → dilute acid pretreatment washing →
Plant cellulose is made in washing → dehydration → drying；
(2) by step (1) plant cellulose, the N- first that the mass percentage of propylgallate and water is 13%
Base methylmorpholine-N-oxide aqueous solution is uniformly mixed, and plant cellulose solution is made；
(3) film is made in the plant cellulose solution in step (2), it is post-treated to obtain plant cellulose film.
The present invention also provides the application method of the cement fibrolite plate additive, when in use, with Cement fibre
The mass ratio of plate is 0.08:100.
Cement fibrolite plate used, by weight comprising following components：80 parts of Portland cement, 8 parts of flyash,
1.0 parts of 10 parts of sawdust, 5 parts of water and water-reducing agent.
The preparation method of the cement fibrolite plate is the same as comparative example 1.
Comparative example 1：
A kind of cement fibrolite plate, by weight comprising following components：50-100 parts of Portland cement, flyash 5-
0.5-2.0 parts of 10 parts, 5-15 parts of sawdust, 2-10 parts of water and water-reducing agent.
The preparation method of the cement fibrolite plate, includes the following steps：
(1) first by Portland cement, flyash adds in water in sawdust, stirs 5min；
(2) and then after addition water-reducing agent, 1min is stirred, stands 8min；
(3) it is sent into and rolls out line workshop, production wet panel is rolled out into template is filling, maintenance workshop is sent into after cutting and is supported
Shield, maintenance are finished to get to the cement fibrolite plate.
Embodiment 4：The performance measurement of cement fibrolite plate is prepared using cement fibrolite plate additive of the present invention
The cement fiberboard article prepared in embodiment 1-3, comparative example 1 is tested using 300KN (WE 30) hydraulic universal
Machine (test equipment is AEC-201 type strengths of cement testing machine) measures its flexural strength, and test result is shown in Table 1.
Table 1 prepares the performance measurement of cement fibrolite plate using cement fibrolite plate additive of the present invention
As it can be seen from table 1 the anti-folding of cement fibrolite plate is prepared using cement fibrolite plate additive of the present invention
Intensity is far above comparative example 1, and apparent flawless, without cracking, density is also far below comparative example 1.
Embodiment 5：The water resistance that cement fibrolite plate is prepared using cement fibrolite plate additive of the present invention is measured
5.1 test materials and method
Test material prepares cement fibrolite plate and right using the cement fibrolite plate additive described in 1-3 of the embodiment of the present invention
Cement fibrolite plate obtained by ratio 1.
4 blocks of planks are taken, with paraffin and rosin blend (mass ratio 1:1) plank edge and the back side are closed.So
The 1/2 of plank area is immersed in the tap water of room temperature, observed afterwards, until blistering, dusting, peeling occurs in surface.
5.2 test results and analysis
The water resistance that table 2 prepares cement fibrolite plate using cement fibrolite plate additive of the present invention measures
From table 2 it can be seen that prepare the water-fast of cement fibrolite plate using cement fibrolite plate additive of the present invention
Property be far above comparative example 1.
The description of the aforementioned specific exemplary embodiment to the present invention is in order to illustrate and illustration purpose.These descriptions
It is not wishing to limit the invention to disclosed precise forms, and it will be apparent that according to the above instruction, can much be changed
And variation.The purpose of selecting and describing the exemplary embodiment is that explain that the specific principle of the present invention and its reality should
With so that those skilled in the art can realize and utilize the present invention a variety of different exemplary implementations and
Various chooses and changes.The scope of the present invention is intended to be limited by claims and its equivalents.
Claims (4)
1. a kind of cement fibrolite plate additive, it is characterised in that：It is by sorbitan fatty acid ester, calcium hydroxide, hexafluoro
Acetylacetone,2,4-pentanedione, silicone oil, ammonium persulfate, cellulose ether and plant cellulose film are formed；The sorbitan fatty acid ester, hydrogen
Calcium oxide, hexafluoroacetylacetone, silicone oil, ammonium persulfate, cellulose ether and plant cellulose film parts by weight be respectively 0.05-
1 part, 1-3 parts, 0.025-0.5 parts, 0.025-1 parts, 0.5-5 parts, 1-5 parts and 1-10 parts.
2. cement fibrolite plate additive according to claim 1, it is characterised in that：The cellulose ether is Methyl cellulose
Element.
3. cement fibrolite plate additive according to claim 1 or 2, which is characterized in that the plant cellulose film
Preparation method includes the following steps：
(1) it is extracted using bagasse as raw material, obtain plant cellulose；
Described is extracted as alkalinity extraction, including：By bagasse by dry → rolling → lye kiering → dehydration → sodium carbonate
Solution dipping → dehydration → dilute acid pretreatment washing → dehydration → sodium carbonate liquor dipping → dehydration → dilute acid pretreatment washing → washing
Plant cellulose is made in → dehydration → drying；
(2) by step (1) plant cellulose, the N- first that the mass percentage of propylgallate and water is 10-15%
Base methylmorpholine-N-oxide aqueous solution is uniformly mixed, and plant cellulose solution is made；
(3) film is made in the plant cellulose solution in step (2), it is post-treated to obtain plant cellulose film.
4. the application method of cement fibrolite plate additive according to claim 1 or 2, which is characterized in that when in use,
Mass ratio with cement fibrolite plate is 0.05-1:100.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518313.5A CN106186792B (en) | 2016-07-01 | 2016-07-01 | A kind of cement fibrolite plate additive |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610518313.5A CN106186792B (en) | 2016-07-01 | 2016-07-01 | A kind of cement fibrolite plate additive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106186792A CN106186792A (en) | 2016-12-07 |
| CN106186792B true CN106186792B (en) | 2018-06-19 |
Family
ID=57465960
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610518313.5A Active CN106186792B (en) | 2016-07-01 | 2016-07-01 | A kind of cement fibrolite plate additive |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106186792B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127241A (en) * | 2011-02-01 | 2011-07-20 | 李文江 | Method for preparing plant cellulose film by taking herbaceous plant as raw material |
| CN105060763A (en) * | 2015-07-29 | 2015-11-18 | 卓达新材料科技集团有限公司 | Cement plate composite modifier |
| CN105439493A (en) * | 2015-12-30 | 2016-03-30 | 卓达新材料科技集团威海股份有限公司 | Anti-cracking agent used for ordinary cement-fiber board |
| CN105503020A (en) * | 2015-12-30 | 2016-04-20 | 卓达新材料科技集团威海股份有限公司 | Early strength agent used for ordinary Portland cement fiberboards |
-
2016
- 2016-07-01 CN CN201610518313.5A patent/CN106186792B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102127241A (en) * | 2011-02-01 | 2011-07-20 | 李文江 | Method for preparing plant cellulose film by taking herbaceous plant as raw material |
| CN105060763A (en) * | 2015-07-29 | 2015-11-18 | 卓达新材料科技集团有限公司 | Cement plate composite modifier |
| CN105439493A (en) * | 2015-12-30 | 2016-03-30 | 卓达新材料科技集团威海股份有限公司 | Anti-cracking agent used for ordinary cement-fiber board |
| CN105503020A (en) * | 2015-12-30 | 2016-04-20 | 卓达新材料科技集团威海股份有限公司 | Early strength agent used for ordinary Portland cement fiberboards |
Also Published As
| Publication number | Publication date |
|---|---|
| CN106186792A (en) | 2016-12-07 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103991116B (en) | The method that fast growing wood prepares reinforced wood sheet material by the composite modified process of multiple-effect | |
| CN108276942A (en) | A kind of ultralow aldehyde impregnated paper dipping glue and preparation method thereof | |
| CN104985666A (en) | Chipboard produced through casein-soybean glue and preparation method | |
| CN105522629A (en) | Wood softening agent capable of giving fire retardant and fireproof performances to wood and preparation method thereof | |
| CN106189884A (en) | Glue | |
| CN104742215B (en) | Medium density fiberboard produced by soybean protein adhesive and preparation method | |
| CN105174818A (en) | Preparation method of graphene modified slurry heat insulation material | |
| CN106113214B (en) | The preparation method of compound flame retardant fibre board | |
| CN106042134B (en) | A kind of formaldehydeless bamboo wood board of fire retardant, anticorrosive and preparation method thereof | |
| CN108247806A (en) | A kind of preparation method of the not mould non-ignitable bamboo fiberboard of no aldehyde | |
| CN108164211A (en) | A kind of production method of foaming building blocks | |
| CN106186792B (en) | A kind of cement fibrolite plate additive | |
| CN104383656A (en) | Formaldehyde scavenging agent for artificial board and use method of formaldehyde scavenging agent | |
| CN105503089A (en) | Cement fiberboard and preparation method thereof | |
| CN106747178A (en) | A kind of dry-mixed warming plate decorative mortar and preparation method thereof | |
| CN106186800B (en) | A kind of cement fibrolite plate additive | |
| CN106867430A (en) | A kind of high-strength integrated timber makeup glue | |
| CN102259362A (en) | Flame-retardant bamboo board and preparation method thereof | |
| CN106366267A (en) | High-gloss MF (melamine-formaldehyde) resin sprayed on impregnated paper | |
| CN102837342B (en) | Degreasing method for wood | |
| CN104858980A (en) | Wood dipping processing multi-function modifier | |
| CN104474661A (en) | Formaldehyde scavenging agent for glue artificial board as well as preparation method thereof | |
| CN103756609A (en) | Plywood glue and preparation method thereof | |
| CN106118506A (en) | Sealant | |
| CN105965659B (en) | A kind of fire retardant, anticorrosive timber 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 | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20190613 Granted publication date: 20180619 |
|
| PD01 | Discharge of preservation of patent | ||
| PD01 | Discharge of preservation of patent |
Date of cancellation: 20220613 Granted publication date: 20180619 |
|
| PP01 | Preservation of patent right | ||
| PP01 | Preservation of patent right |
Effective date of registration: 20220817 Granted publication date: 20180619 |