CN108560251A - A kind of preparation method of antimicrobial form textile fabric - Google Patents
A kind of preparation method of antimicrobial form textile fabric Download PDFInfo
- Publication number
- CN108560251A CN108560251A CN201810462281.0A CN201810462281A CN108560251A CN 108560251 A CN108560251 A CN 108560251A CN 201810462281 A CN201810462281 A CN 201810462281A CN 108560251 A CN108560251 A CN 108560251A
- Authority
- CN
- China
- Prior art keywords
- textile fabric
- preparation
- solution
- reactor
- antimicrobial form
- 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
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M11/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising
- D06M11/83—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with inorganic substances or complexes thereof; Such treatment combined with mechanical treatment, e.g. mercerising with metals; with metal-generating compounds, e.g. metal carbonyls; Reduction of metal compounds on textiles
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M13/00—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment
- D06M13/50—Treating fibres, threads, yarns, fabrics or fibrous goods made from such materials, with non-macromolecular organic compounds; Such treatment combined with mechanical treatment with organometallic compounds; with organic compounds containing boron, silicon, selenium or tellurium atoms
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M15/00—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment
- D06M15/19—Treating fibres, threads, yarns, fabrics, or fibrous goods made from such materials, with macromolecular compounds; Such treatment combined with mechanical treatment with synthetic macromolecular compounds
- D06M15/21—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M15/327—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof
- D06M15/333—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds of unsaturated alcohols or esters thereof of vinyl acetate; Polyvinylalcohol
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M16/00—Biochemical treatment of fibres, threads, yarns, fabrics, or fibrous goods made from such materials, e.g. enzymatic
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/18—Synthetic fibres consisting of macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/26—Polymers or copolymers of unsaturated carboxylic acids or derivatives thereof
- D06M2101/28—Acrylonitrile; Methacrylonitrile
-
- D—TEXTILES; PAPER
- D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
- D06M—TREATMENT, NOT PROVIDED FOR ELSEWHERE IN CLASS D06, OF FIBRES, THREADS, YARNS, FABRICS, FEATHERS OR FIBROUS GOODS MADE FROM SUCH MATERIALS
- D06M2101/00—Chemical constitution of the fibres, threads, yarns, fabrics or fibrous goods made from such materials, to be treated
- D06M2101/16—Synthetic fibres, other than mineral fibres
- D06M2101/30—Synthetic polymers consisting of macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D06M2101/32—Polyesters
Landscapes
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Biochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Microbiology (AREA)
- Chemical Or Physical Treatment Of Fibers (AREA)
- Treatments For Attaching Organic Compounds To Fibrous Goods (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Abstract
The present invention relates to a kind of preparation methods of antimicrobial form textile fabric, textile fabric is impregnated in the maceration extract that organosilan is formed with ethyl alcohol by this method first, 20~50min is handled at a temperature of 40~90 DEG C, is then taken out and is placed in drying in baking oven, obtains pretreated textile fabric；Then pretreated textile fabric is placed in reactor, preconfigured reducing agent solution is added at one time into reactor, then preconfigured silver-colored precursor solution is added drop-wise in reactor, heating response device is to 90~120 DEG C after reacting 2~5 hours at room temperature, after reaction 1~2 hour, it is down to room temperature, takes out textile fabric, which obtains the antimicrobial form textile fabric after washing, drying.The preparation method process of the present invention is simple, and operability is strong, no waste discharge, environmentally protective, and Argent grain grain size is small, and bactericidal effect is good, substantially increases the anti-microbial property of the textile fabric of preparation.
Description
Technical field
The present invention relates to textile technology fields, and in particular to a kind of preparation method of antimicrobial form textile fabric.
Background technology
Nano silver grain is strong and macroscopical in addition to having the skin effect of general nano material, small-size effect, catalytic efficiency
Outside the property of many special chemicals for being better than Conventional solid substance such as quantum tunneling effect and physical property, also there is unique urge
Change property, excellent biocompatibility and preferable sensitivities etc..With the improvement of the quality of life, more and more people recognize
The importance of health, therefore requirement of the people to clothes is also higher and higher, for example clothes carry antibacterial action, due to nano silver
With excellent antibacterial characteristics, especially superfine nano silver powder, current nano silver textile fabric is favored by people.Pass through letter
Nano silver is applied to textile fabric surface by single, environmental protection method becomes the hot spot of textile fabric finishing functions research.
The nano-textile fabric prepared in the prior art, dispersibility of the nano silver on textile fabric is not to cause very well
The anti-microbial property of textile fabric is affected, and it still needs further improvement for the feature of environmental protection in the preparation process of nano-textile fabric.
Invention content
In view of the above technical problems, the present invention provides a kind of preparation method of antimicrobial form textile fabric, this method include with
Lower step：
S1, it organosilan is dissolved in ethyl alcohol forms maceration extract；
S2, textile fabric is immersed in the maceration extract, 20~50min is handled at a temperature of 40~90 DEG C, is then taken out
It is placed in drying in baking oven, obtains pretreated textile fabric；
S3, the certain density silver nitrate aqueous solution of configuration, poly-vinyl alcohol solution and formic acid aqueous ammonium, take a certain amount of institute
It states silver nitrate aqueous solution and is mixed to get silver-colored precursor solution with the poly-vinyl alcohol solution, take a certain amount of ammonium formate water-soluble
Liquid is mixed to get reducing agent solution with the poly-vinyl alcohol solution；
S4, the pretreated textile fabric is placed in reactor, described go back is added at one time into the reactor
Then the silver-colored precursor solution is added drop-wise in the reactor, is heated after reacting 2~5 hours at room temperature by former agent solution
The reactor is to 90~120 DEG C, after reacting 1~2 hour, is down to room temperature, takes out textile fabric, the textile fabric is through water
Wash, dry after obtain the antimicrobial form textile fabric.
Further, in step 1, the volume ratio of the organosilan and the ethyl alcohol is 1：80~250.
Further, in step S3, the molar concentration of the silver nitrate aqueous solution is 0.1~0.3mol/L；The poly- second
The mass concentration of enolate solution is 3~6g/L；The formic acid aqueous ammonium.
Further, in step S4, it is primary to stir the textile fabric in reactor every 30min.
Further, in step S3, in the silver precursor solution, the mass ratio of polyvinyl alcohol and silver nitrate is 2~6:
100。
Further, in step S3, in reducing agent solution, the mass ratio of ammonium formate and polyvinyl alcohol is 1:1~10.
Further, the textile fabric be cotton, hair, fiber crops, silk, terylene, viscose glue, polyester or acrylic fibers in any one or
Several combinations.
A kind of preparation method of antimicrobial form textile fabric of the present invention has the advantages that：
Textile fabric is first carried out impregnation by the preparation method of the present invention in organosilan is dissolved in, after being conducive to raising
Deposition of the silver particles on textile fabric in continuous process, and then be conducive to improve the deposition of nano silver on textile fabric,
To be conducive to improve the anti-microbial property of textile fabric.
The present invention is directly dissolved in deionized water using silver nitrate and does presoma, and preparation process is prepared without using ammonium hydroxide
Silver ammino solution, no waste discharge are environmentally protective；Reaction process is simple, and operability is strong, easy to promote large-scale；The present invention
The Argent grain grain size of preparation is small, easy to use, and bactericidal effect is good, therefore can greatly improve the anti-microbial property of textile fabric.
Specific implementation mode
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
The every other embodiment that art personnel are obtained without making creative work belongs to the model that the present invention protects
It encloses.
【Embodiment 1】
The present embodiment provides a kind of preparation methods of antimicrobial form textile fabric, include the following steps：
S1, volume is pressed:1:Organosilan is dissolved in ethyl alcohol and forms maceration extract by 80；
S2, polyester fabric is immersed in the maceration extract, handles 30min at a temperature of 60 DEG C, then takes out and be placed in baking oven
Middle drying obtains pretreated textile fabric；
S3, the silver nitrate aqueous solution of configuration molar concentration 0.1mol/L, mass concentration are 3g/L poly-vinyl alcohol solutions and rub
A concentration of 0.1mol/L formic acid aqueous ammonium of that is 1 by the mass ratio of polyvinyl alcohol and silver nitrate:50 silver nitrate aqueous solution with
Poly-vinyl alcohol solution is mixed to get silver-colored precursor solution, in mass ratio 1:10 formic acid aqueous ammoniums are mixed with poly-vinyl alcohol solution
To reducing agent solution；
S4, the pretreated textile fabric is placed in reactor, described go back is added at one time into the reactor
Then the silver-colored precursor solution is added drop-wise in the reactor, institute is heated after reacting 05 hour at room temperature by former agent solution
Reactor is stated to 120 DEG C, after reacting 02 hour, room temperature is down to, takes out textile fabric, the textile fabric is after washing, drying
Obtain the antimicrobial form polyester fabric.
【Embodiment 2】
The present embodiment provides a kind of preparation methods of antimicrobial form textile fabric, include the following steps：
S1, volume is pressed:1:Organosilan is dissolved in ethyl alcohol and forms maceration extract by 85；
S2, acrylic fabric is immersed in the maceration extract, handles 30min at a temperature of 60 DEG C, then takes out and be placed in baking oven
Middle drying obtains pretreated textile fabric；
S3, the silver nitrate aqueous solution of configuration molar concentration 0.3mol/L, mass concentration are 6g/L poly-vinyl alcohol solutions and rub
A concentration of 0.3mol/L formic acid aqueous ammonium of that is 3 by the mass ratio of polyvinyl alcohol and silver nitrate:100 silver nitrate aqueous solution
It is mixed to get silver-colored precursor solution, in mass ratio 1 with poly-vinyl alcohol solution:10 formic acid aqueous ammoniums are mixed with poly-vinyl alcohol solution
Obtain reducing agent solution；
S4, the pretreated textile fabric is placed in reactor, described go back is added at one time into the reactor
Then the silver-colored precursor solution is added drop-wise in the reactor, after reacting 5 hours at room temperature described in heating by former agent solution
Reactor after reaction 2 hours, is down to room temperature to 120 DEG C, takes out textile fabric, the textile fabric after washing, drying to obtain the final product
To antimicrobial form acrylic fabric.
【Embodiment 3】
The present embodiment provides a kind of preparation methods of antimicrobial form textile fabric, include the following steps：
S1, volume is pressed:1:Organosilan is dissolved in ethyl alcohol and forms maceration extract by 80；
S2, polyester fabric is immersed in the maceration extract, handles 30min at a temperature of 60 DEG C, then takes out and be placed in baking oven
Middle drying obtains pretreated textile fabric；
S3, the silver nitrate aqueous solution of configuration molar concentration 0.2mol/L, mass concentration are 5g/L poly-vinyl alcohol solutions and rub
A concentration of 0.2mol/L formic acid aqueous ammonium of that is 3 by the mass ratio of polyvinyl alcohol and silver nitrate:100 silver nitrate aqueous solution
It is mixed to get silver-colored precursor solution, in mass ratio 1 with poly-vinyl alcohol solution:8 formic acid aqueous ammoniums are mixed with poly-vinyl alcohol solution
Obtain reducing agent solution；
S4, the pretreated textile fabric is placed in reactor, described go back is added at one time into the reactor
Then the silver-colored precursor solution is added drop-wise in the reactor, after reacting 4 hours at room temperature described in heating by former agent solution
Reactor after reaction 2 hours, is down to room temperature to 100 DEG C, takes out textile fabric, the textile fabric after washing, drying to obtain the final product
To the antimicrobial form polyester fabric.
To sum up, a kind of preparation method of antimicrobial form textile fabric of the invention has the advantages that：
Textile fabric is first carried out impregnation by the preparation method of the present invention in organosilan is dissolved in, after being conducive to raising
Deposition of the silver particles on textile fabric in continuous process, and then be conducive to improve the deposition of nano silver on textile fabric,
To be conducive to improve the anti-microbial property of textile fabric.
The present invention is directly dissolved in deionized water using silver nitrate and does presoma, and preparation process is prepared without using ammonium hydroxide
Silver ammino solution, no waste discharge are environmentally protective；Reaction process is simple, and operability is strong, easy to promote large-scale；The present invention
The Argent grain grain size of preparation is small, easy to use, and bactericidal effect is good, therefore can greatly improve the anti-microbial property of textile fabric.
Above description has fully disclosed the specific implementation mode of the present invention.It should be pointed out that being familiar with the field
Technical staff is to any change for being done of specific implementation mode of the present invention all without departing from the range of claims of the present invention.
Correspondingly, the scope of the claims of the invention is also not limited only to previous embodiment.
Claims (7)
1. a kind of preparation method of antimicrobial form textile fabric, which is characterized in that the described method comprises the following steps：
S1, it organosilan is dissolved in ethyl alcohol forms maceration extract；
S2, textile fabric is immersed in the maceration extract, 20~50min is handled at a temperature of 40~90 DEG C, then takes out and is placed in
It is dry in baking oven, obtain pretreated textile fabric；
S3, the certain density silver nitrate aqueous solution of configuration, poly-vinyl alcohol solution and formic acid aqueous ammonium, take a certain amount of nitre
Sour silver aqueous solution is mixed to get silver-colored precursor solution with the poly-vinyl alcohol solution, take a certain amount of formic acid aqueous ammonium with
The poly-vinyl alcohol solution is mixed to get reducing agent solution；
S4, the pretreated textile fabric is placed in reactor, the reducing agent is added at one time into the reactor
Then the silver-colored precursor solution is added drop-wise in the reactor, after reacting 2~5 hours at room temperature described in heating by solution
Reactor is to 90~120 DEG C, after reacting 1~2 hour, is down to room temperature, takes out textile fabric, the textile fabric is through washing, doing
The antimicrobial form textile fabric is obtained after dry.
2. a kind of preparation method of antimicrobial form textile fabric according to claim 1, which is characterized in that described in step 1
The volume ratio of organosilan and the ethyl alcohol is 80~250.
3. a kind of preparation method of antimicrobial form textile fabric according to claim 1, which is characterized in that in step S3, institute
The molar concentration for stating silver nitrate aqueous solution is 0.1~0.3mol/L；The mass concentration of the poly-vinyl alcohol solution is 3~6g/L；
The molar concentration of the formic acid aqueous ammonium is 0.1~0.3mol/L.
4. a kind of preparation method of antimicrobial form textile fabric according to claim 1, which is characterized in that in step S4, often
It is primary that the textile fabric in reactor is stirred every 30min.
5. a kind of preparation method of antimicrobial form textile fabric according to claim 1, which is characterized in that in step S3, institute
It states in silver-colored precursor solution, the mass ratio of polyvinyl alcohol and silver nitrate is 2~6:100.
6. a kind of preparation method of antimicrobial form textile fabric according to claim 1, which is characterized in that in step S3, also
The mass ratio of ammonium formate and polyvinyl alcohol is 1 in former agent solution:1~10.
7. a kind of preparation method of antimicrobial form textile fabric according to claim 1, which is characterized in that the textile fabric
For any one or the combination of several of them in cotton, hair, fiber crops, silk, terylene, viscose glue, polyester or acrylic fibers.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462281.0A CN108560251A (en) | 2018-05-15 | 2018-05-15 | A kind of preparation method of antimicrobial form textile fabric |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810462281.0A CN108560251A (en) | 2018-05-15 | 2018-05-15 | A kind of preparation method of antimicrobial form textile fabric |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108560251A true CN108560251A (en) | 2018-09-21 |
Family
ID=63538841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810462281.0A Pending CN108560251A (en) | 2018-05-15 | 2018-05-15 | A kind of preparation method of antimicrobial form textile fabric |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108560251A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045113A (en) * | 2022-07-21 | 2022-09-13 | 河南大学 | Silver-loaded antibacterial fabric and preparation method and application thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878587A (en) * | 2015-05-08 | 2015-09-02 | 四川大学 | Pretreatment of supercritical fluid nano silver textile fabric and microwave preparation method of supercritical fluid nano silver textile fabric |
| CN105234426A (en) * | 2015-10-16 | 2016-01-13 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of ultrafine nano silver |
-
2018
- 2018-05-15 CN CN201810462281.0A patent/CN108560251A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104878587A (en) * | 2015-05-08 | 2015-09-02 | 四川大学 | Pretreatment of supercritical fluid nano silver textile fabric and microwave preparation method of supercritical fluid nano silver textile fabric |
| CN105234426A (en) * | 2015-10-16 | 2016-01-13 | 上海纳米技术及应用国家工程研究中心有限公司 | Preparation method of ultrafine nano silver |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115045113A (en) * | 2022-07-21 | 2022-09-13 | 河南大学 | Silver-loaded antibacterial fabric and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105839419B (en) | A kind of polyphenol is modified the preparation method of carrying nano silver antibiotic fabric | |
| CN105002736B (en) | Graphene/polyvinyl alcohol modified nonwoven fabric production method | |
| CN101012621A (en) | Preparation method of zinc oxide nano-rod film on fibre product | |
| CN106592204B (en) | It is a kind of free-floride water repellent fabric and fabric floride-free water-repellent finishing method | |
| CN104032564B (en) | A kind of chemical silver plating method of exempting from sensitization activation for polyamide fibre matrix | |
| CN105463627A (en) | Preparation method of alginate fiber | |
| WO2020177485A1 (en) | Nano silver particle/cellulosic fiber composite material and preparation method | |
| CN108642654A (en) | A kind of antimicrobial form textile fabric | |
| CN106592104B (en) | A kind of tea polyphenols cellulose fibre spunlace non-woven cloth and its production method | |
| CN105442298A (en) | Preparation method for ultrasound-assisted fiber surface expanding of nonwoven cloth and loading with nano zinc oxide | |
| CN102704326B (en) | Preparation method of alginic acid system nonwoven | |
| US20230349095A1 (en) | Method for sonochemical deposition of metals on textile substrates and products thereof | |
| CN103058945B (en) | A kind of Halamine antibacterial agent based on cyanuric acid and synthetic method thereof and application | |
| CN102691204A (en) | Preparation method of nano-zinc-oxide-loaded antibacterial ultraviolet-resistant fibers or textiles | |
| CN108867036A (en) | A kind of modification processing method enhancing polyester fiber anti-microbial property | |
| CN108560251A (en) | A kind of preparation method of antimicrobial form textile fabric | |
| KR101559815B1 (en) | Mass manufacturing method of carboxymethyl cellulose fabrics | |
| CN108893976B (en) | Method for improving attachment amount and uniformity of silver particles on cotton fabric in reduction process | |
| CN102847554B (en) | Preparation method and application of cotton stalk bast fiber loaded nano gold catalyst | |
| CN102517887B (en) | Method for preparing silicon protective in-situ deposition photocatalytic functional textile | |
| CN109778528A (en) | A kind of preparation method of environment-friendlyantibiotic antibiotic textile product | |
| CN103469551B (en) | Method for preparing antibacterial and anti-ultraviolet fabric by virtue of in-situ hydrolysis, polymerization and nano-TiO2 loading | |
| CN108755103A (en) | A kind of preparation method of photocatalytic self-cleaning anti-ultraviolet fabric | |
| CN109750489A (en) | A kind of processing technology of antibacterial and deodouring textile | |
| CN109137490A (en) | A kind of antibacterial modified method of cotton fiber |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20180921 |