CN107793863A - A kind of electrically-conducting paint of stable performance - Google Patents
A kind of electrically-conducting paint of stable performance Download PDFInfo
- Publication number
- CN107793863A CN107793863A CN201710999005.3A CN201710999005A CN107793863A CN 107793863 A CN107793863 A CN 107793863A CN 201710999005 A CN201710999005 A CN 201710999005A CN 107793863 A CN107793863 A CN 107793863A
- Authority
- CN
- China
- Prior art keywords
- accounts
- electrically
- conducting paint
- stable performance
- powder
- 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
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
- C09D5/24—Electrically-conducting paints
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/085—Copper
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0862—Nickel
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/02—Elements
- C08K3/08—Metals
- C08K2003/0893—Zinc
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/001—Conductive additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Conductive Materials (AREA)
Abstract
The present invention relates to functional coating research and development technology field, discloses a kind of electrically-conducting paint of stable performance, is made up according to mass percent meter of following component：Acrylic resin, which accounts for 40 45%, conductive powder body and accounts for 4 6%, dispersion stabilizer and account for 10 15%, butyl acetate and account for 15 18%, filler, accounts for 3 5%, remaining as auxiliary agent, the present invention solves the problems, such as that existing acrylic resin exists with metal powder cooperation, good dispersion of the metal-powder that homemade dispersion stabilizer is in acrylic resin, direct contact rate improves between particle, the Electrical Conductivity of Conductive Coating being prepared can be excellent, keep stable for a long time, and paint adhesion is strong, coating property is good, it is difficult for drop-off, it is ageing-resistant.
Description
Technical field
The invention belongs to functional coating research and development technology field, and in particular to a kind of electrically-conducting paint of stable performance.
Background technology
Electrically-conducting paint is the special functional coating that develops rapidly with modern science and technology, there are about half of generation so far
The developing history of discipline.1948, the U.S. disclosed the patent that silver and epoxy resin are made to conducting resinl, and this is disclosed earliest leads
Electrocoating paint.China also begins one's study and using electrically-conducting paint in the 1950s.In recent decades, electrically-conducting paint is in electricity
It is applied in a variety of military, civilian industrial circles such as son, electrical equipment, aviation, chemical industry, printing.It is corresponding to this, the theory of electrically-conducting paint
Research also developed rapidly, and promote application technology it is increasingly mature with it is perfect.
It is now more to be used as conductive as film forming matter, addition metal dust by the use of acrylic resin, epoxy resin, alkyd resin
Coating, result of study show that acrylic resin systems electrically-conducting paint has good electric conductivity and mechanical performance, but it is scattered
Property it is general, antioxygenic property is poor, and epoxy-resin systems electrically-conducting paint has toughness deficiency, solidification temperature is high, electric conductivity is poor
The shortcomings of, alkyd systems Electrical Conductivity of Conductive Coating can it is excellent, but due to often remained in alkyd resin some double bonds,
Hydroxyl etc., its physicochemical property is usually influenceed, exist and be completely dried time length, electric conductivity decline etc. is scarce after coating is placed for a long time
Point.
The content of the invention
The purpose of the present invention is to be directed to the problem of existing, there is provided a kind of electrically-conducting paint of stable performance, with acrylic acid tree
Fat solves the problems, such as existing as film forming matter, and electric conductivity is excellent, keeps stable for a long time, and paint adhesion is strong, applies
Expect that performance is good, it is difficult for drop-off, it is ageing-resistant.
The present invention is achieved by the following technical solutions：
A kind of electrically-conducting paint of stable performance, it is made up according to mass percent meter of following component：Acrylic resin account for 40-45%,
Conductive powder body accounts for 4-6%, dispersion stabilizer accounts for 10-15%, butyl acetate accounts for 15-18%, filler accounts for 3-5%, remaining as auxiliary agent；
The preparation method of the dispersion stabilizer is：By butyl titanate, octadecyl alcolol and AEO in molar ratio
For 2.0-2.3:1.0-1.1:0.8-0.9 ratio is mixed evenly, and the pH value of mixed system is adjusted in 6.3- with glacial acetic acid
6.5 scopes, then aqueous solution of barium acetate is added dropwise, rate of addition should be controlled in 50-60 drops/minute scope, and mixed solution is placed in into magnetic
30-40 minutes are stirred on power agitator, reactor is added, the isothermal reaction 2-3 hours under conditions of 150-180 DEG C, obtains institute
State dispersion stabilizer.
Further described as to such scheme, described conductive powder body according to mass percent meter contain it is following into
Point：Copper powder accounts for 35-40%, nickel powder accounts for 20-25%, zinc powder accounts for 10-15%, white carbon accounts for 10-15%, is mixed remaining as rare earth metal
Powder.
Further described as to such scheme, described auxiliary agent contains following component according to mass percent meter：Have
Machine bentonite accounts for 26-30%, n-octyl alcohol accounts for 35-40%, antioxidant accounts for 10-12%, curing agent accounts for 8-10%, defoamer accounts for 1-2%,
Remaining as surfactant.
Further described as to such scheme, the conductive powder body particle size is between 400-500 mesh.
Further described as to such scheme, the acrylic resin solid content is 50-55%, and solvent is dimethylbenzene
With butyl acetate according to 1:1-1.5 the mixed liquor of mixing.
Being further described as to such scheme, the aqueous solution of barium acetate molar concentration is 0.2-0.3 mol/Ls,
Dripping quantity is the 0.12-0.15 of butyl titanate concentration in solution.
The present invention has advantages below compared with prior art：It is existing using resin as film forming matter in order to solve, addition gold
Belong to powder as performance instability problem existing for electrically-conducting paint, the invention provides a kind of electrically-conducting paint of stable performance, profit
By the use of acrylic resin as film forming matter, solve the problems, such as that existing acrylic resin coordinates with metal powder and existed, homemade point
Good dispersion of the metal-powder that dispersion stabilizer is in acrylic resin, directly contact rate improves between particle, can be formed
The tridimensional network passage of rule, conductance reduce, and are not in that height fluctuates, and electric conductivity is excellent, protects for a long time
It is fixed to keep steady, and paint adhesion is strong, and coating property is good, difficult for drop-off, ageing-resistant.
Embodiment
With reference to specific embodiment, the invention will be further described.
Embodiment 1
A kind of electrically-conducting paint of stable performance, it is made up according to mass percent meter of following component：Acrylic resin accounts for 40%, led
Electric powder, which accounts for 4%, dispersion stabilizer and accounts for 10%, butyl acetate and account for 15%, filler, accounts for 3%, remaining as auxiliary agent；
The preparation method of the dispersion stabilizer is：By butyl titanate, octadecyl alcolol and AEO in molar ratio
For 2.0:1.0:0.8 ratio is mixed evenly, and with the pH value of glacial acetic acid regulation mixed system in 6.3-6.5 scopes, then drips
Add aqueous solution of barium acetate, rate of addition should control in 50-60 drops/minute scope, mixed solution is placed on magnetic stirring apparatus and stirred
Mix 30 minutes, add reactor, isothermal reaction 2 hours under conditions of 150 DEG C, obtain the dispersion stabilizer.
Further described as to such scheme, described conductive powder body according to mass percent meter contain it is following into
Point：Copper powder, which accounts for 35%, nickel powder and accounts for 20%, zinc powder and account for 10%, white carbon, accounts for 10%, remaining as rare earth metal mixed powder.
Further described as to such scheme, described auxiliary agent contains following component according to mass percent meter：Have
Machine bentonite, which accounts for 26%, n-octyl alcohol and accounts for 35%, antioxidant and account for 10%, curing agent and account for 8%, defoamer, accounts for 1%, remaining as surface-active
Agent.
Further described as to such scheme, the conductive powder body particle size is between 400-500 mesh.
Further described as to such scheme, the acrylic resin solid content is 50%, and solvent is dimethylbenzene and vinegar
Acid butyl ester is according to 1:The mixed liquor of 1 mixing.
Further described as to such scheme, the aqueous solution of barium acetate molar concentration is 0.2 mol/L, is added dropwise
Measure as 0.12 of butyl titanate concentration in solution.
Embodiment 2
A kind of electrically-conducting paint of stable performance, it is made up according to mass percent meter of following component：Acrylic resin accounts for 42%, led
Electric powder, which accounts for 5%, dispersion stabilizer and accounts for 12%, butyl acetate and account for 16%, filler, accounts for 4%, remaining as auxiliary agent；
The preparation method of the dispersion stabilizer is：By butyl titanate, octadecyl alcolol and AEO in molar ratio
For 2.1:1.05:0.85 ratio is mixed evenly, with the pH value of glacial acetic acid regulation mixed system in 6.3-6.5 scopes, then
Aqueous solution of barium acetate is added dropwise, rate of addition should control in 50-60 drops/minute scope, mixed solution is placed on magnetic stirring apparatus
Stirring 35 minutes, reactor is added, isothermal reaction 2.5 hours under conditions of 160 DEG C, obtains the dispersion stabilizer.
Further described as to such scheme, described conductive powder body according to mass percent meter contain it is following into
Point：Copper powder, which accounts for 38%, nickel powder and accounts for 22%, zinc powder and account for 12%, white carbon, accounts for 12%, remaining as rare earth metal mixed powder.
Further described as to such scheme, described auxiliary agent contains following component according to mass percent meter：Have
Machine bentonite, which accounts for 28%, n-octyl alcohol and accounts for 38%, antioxidant and account for 11%, curing agent and account for 9%, defoamer, to be accounted for 1.5%, is lived remaining as surface
Property agent.
Further described as to such scheme, the conductive powder body particle size is between 400-500 mesh.
Further described as to such scheme, the acrylic resin solid content is 53%, and solvent is dimethylbenzene and vinegar
Acid butyl ester is according to 1:The mixed liquor of 1.2 mixing.
Further described as to such scheme, the aqueous solution of barium acetate molar concentration is 0.25 mol/L, is added dropwise
Measure as 0.13 of butyl titanate concentration in solution.
Embodiment 3
A kind of electrically-conducting paint of stable performance, it is made up according to mass percent meter of following component：Acrylic resin accounts for 45%, led
Electric powder, which accounts for 6%, dispersion stabilizer and accounts for 15%, butyl acetate and account for 18%, filler, accounts for 5%, remaining as auxiliary agent；
The preparation method of the dispersion stabilizer is：By butyl titanate, octadecyl alcolol and AEO in molar ratio
For 2.3:1.1:0.9 ratio is mixed evenly, and with the pH value of glacial acetic acid regulation mixed system in 6.3-6.5 scopes, then drips
Add aqueous solution of barium acetate, rate of addition should control in 50-60 drops/minute scope, mixed solution is placed on magnetic stirring apparatus and stirred
Mix 40 minutes, add reactor, isothermal reaction 3 hours under conditions of 150-180 DEG C, obtain the dispersion stabilizer.
Further described as to such scheme, described conductive powder body according to mass percent meter contain it is following into
Point：Copper powder, which accounts for 40%, nickel powder and accounts for 25%, zinc powder and account for 15%, white carbon, accounts for 15%, remaining as rare earth metal mixed powder.
Further described as to such scheme, described auxiliary agent contains following component according to mass percent meter：Have
Machine bentonite, which accounts for 30%, n-octyl alcohol and accounts for 40%, antioxidant and account for 12%, curing agent and account for 10%, defoamer, accounts for 2%, remaining as surface-active
Agent.
Further described as to such scheme, the conductive powder body particle size is between 400-500 mesh.
Further described as to such scheme, the acrylic resin solid content is 55%, and solvent is dimethylbenzene and vinegar
Acid butyl ester is according to 1:The mixed liquor of 1.5 mixing.
Further described as to such scheme, the aqueous solution of barium acetate molar concentration is 0.3 mol/L, is added dropwise
Measure as 0.15 of butyl titanate concentration in solution.
Comparative example 1
With differing only in for embodiment 1, the addition of the dispersion stabilizer is omitted in heat-resisting paint, uses existing conventional point
Powder replaces, and remaining is consistent.
Comparative example 2
With differing only in for embodiment 2, the percentage of conductive powder body in electrically-conducting paint is increased to 10%, remaining is consistent.
Comparative example 3
With differing only in for embodiment 3, the percentage of filler in electrically-conducting paint is increased to 8%, remaining is consistent.
Contrast experiment
Electrically-conducting paint is prepared using embodiment 1-3 and comparative example 1-3 method respectively, while is made with existing with acrylic resin
For film forming matter, using copper, electrically-conducting paint that nickel is conductive powder body as control, the coating that each group is prepared is applied identical
The product surface of sample, electric conductivity and service condition are observed and recorded, it is as a result as shown in the table：
As can be seen here, the electrically-conducting paint of stable performance provided by the invention, solve existing acrylic resin and coordinate with metal powder
The problem of existing, conductance reduce, and are not in that height fluctuates, and electric conductivity is excellent, keeps stable for a long time, and coating
Adhesive force is strong, and coating property is good, difficult for drop-off, ageing-resistant.
Claims (6)
1. a kind of electrically-conducting paint of stable performance, it is characterised in that be made up according to mass percent meter of following component：Acrylic acid
Resin accounts for 40-45%, conductive powder body accounts for 4-6%, dispersion stabilizer accounts for 10-15%, butyl acetate accounts for 15-18%, filler accounts for 3-5%, surplus
Remaining is auxiliary agent；
The preparation method of the dispersion stabilizer is：By butyl titanate, octadecyl alcolol and AEO in molar ratio
For 2.0-2.3:1.0-1.1:0.8-0.9 ratio is mixed evenly, and the pH value of mixed system is adjusted in 6.3- with glacial acetic acid
6.5 scopes, then aqueous solution of barium acetate is added dropwise, rate of addition should be controlled in 50-60 drops/minute scope, and mixed solution is placed in into magnetic
30-40 minutes are stirred on power agitator, reactor is added, the isothermal reaction 2-3 hours under conditions of 150-180 DEG C, obtains institute
State dispersion stabilizer.
2. a kind of electrically-conducting paint of stable performance as claimed in claim 1, it is characterised in that described conductive powder body is according to quality
Percentages contain following component：Copper powder accounts for 35-40%, nickel powder accounts for 20-25%, zinc powder accounts for 10-15%, white carbon accounts for 10-15%, surplus
Remaining is rare earth metal mixed powder.
3. a kind of electrically-conducting paint of stable performance as claimed in claim 1, it is characterised in that described auxiliary agent is according to quality percentage
Contain following component than meter：Organobentonite accounts for 26-30%, n-octyl alcohol accounts for 35-40%, antioxidant accounts for 10-12%, curing agent accounts for
8-10%, defoamer account for 1-2%, remaining as surfactant.
4. a kind of electrically-conducting paint of stable performance as claimed in claim 1, it is characterised in that the conductive powder body particle size exists
Between 400-500 mesh.
5. a kind of electrically-conducting paint of stable performance as claimed in claim 1, it is characterised in that the acrylic resin solid content is
50-55%, solvent are dimethylbenzene and butyl acetate according to 1:1-1.5 the mixed liquor of mixing.
6. a kind of electrically-conducting paint of stable performance as claimed in claim 1, it is characterised in that the aqueous solution of barium acetate mole is dense
It is the 0.12-0.15 of butyl titanate concentration in solution to spend for 0.2-0.3 mol/Ls, dripping quantity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999005.3A CN107793863A (en) | 2017-10-24 | 2017-10-24 | A kind of electrically-conducting paint of stable performance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710999005.3A CN107793863A (en) | 2017-10-24 | 2017-10-24 | A kind of electrically-conducting paint of stable performance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107793863A true CN107793863A (en) | 2018-03-13 |
Family
ID=61533614
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710999005.3A Pending CN107793863A (en) | 2017-10-24 | 2017-10-24 | A kind of electrically-conducting paint of stable performance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107793863A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935489A (en) * | 2010-08-24 | 2011-01-05 | 中国科学院宁波材料技术与工程研究所 | Concave-convex rod conductive coating and preparation method thereof |
| CN105038446A (en) * | 2015-06-04 | 2015-11-11 | 上海电力学院 | Water-based anticorrosive conducting paint and preparation method thereof |
| CN105713463A (en) * | 2014-12-05 | 2016-06-29 | 中国石油天然气股份有限公司 | Electromagnetic wave shielding coating and preparation method thereof |
| CN106009935A (en) * | 2016-06-13 | 2016-10-12 | 袁立新 | Waterborne dispersing agent and preparation method and application thereof |
-
2017
- 2017-10-24 CN CN201710999005.3A patent/CN107793863A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101935489A (en) * | 2010-08-24 | 2011-01-05 | 中国科学院宁波材料技术与工程研究所 | Concave-convex rod conductive coating and preparation method thereof |
| CN105713463A (en) * | 2014-12-05 | 2016-06-29 | 中国石油天然气股份有限公司 | Electromagnetic wave shielding coating and preparation method thereof |
| CN105038446A (en) * | 2015-06-04 | 2015-11-11 | 上海电力学院 | Water-based anticorrosive conducting paint and preparation method thereof |
| CN106009935A (en) * | 2016-06-13 | 2016-10-12 | 袁立新 | Waterborne dispersing agent and preparation method and application thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103146299B (en) | Alcohol soluble self-adhering paint that a kind of moisture-resistant is sticky and preparation method thereof | |
| CN105778638B (en) | A kind of anticorrosion anti-static coatings and preparation method thereof | |
| CN104308183A (en) | Preparation method for flake silver powder for electronic paste | |
| CN105936769A (en) | Graphene modified nano-silver aqueous conductive ink and preparation method thereof | |
| CN104575686A (en) | Low cost copper-doped conductive silver paste and preparation method thereof | |
| CN108192472A (en) | A kind of polyaniline grafted graphene oxide water-based epoxy zinc-rich primer and preparation method thereof | |
| CN111768889B (en) | Electric power composite grease and preparation method and application thereof | |
| CN102101962B (en) | Polyaniline epoxy anti-corrosive paint and preparation method thereof | |
| CN106784603A (en) | A kind of preparation method of current collector coatings | |
| CN112457698A (en) | Graphene-modified zinc powder, preparation method and application of graphene-modified zinc powder in zinc-rich anticorrosive coating | |
| CN103788768A (en) | Water-based golden ink produced by using ordinary bronze powder and preparation method thereof | |
| CN107793863A (en) | A kind of electrically-conducting paint of stable performance | |
| CN105714356A (en) | Sealant for aluminum alloy anode oxide film and preparing method for sealant | |
| CN110444316B (en) | Low-temperature curing conductive silver paste with high conductivity and low silver content and preparation method thereof | |
| CN107189650A (en) | A kind of conductive corrosion resistant coating and preparation method thereof | |
| CN109423096B (en) | Water-based multifunctional conductive coating and preparation method thereof | |
| CN104479476A (en) | Method for preparing conductive anticorrosive coating from acrylic acid | |
| CN110885623A (en) | Electromagnetic shielding environment-friendly coating for walls and preparation method thereof | |
| CN107622814B (en) | A kind of composite mortar of carbon nano-fiber load copper powder | |
| CN105755512B (en) | A kind of tin methane sulfonate antioxidant and preparation method thereof and application method | |
| CN112694813A (en) | Single-component graphene zinc powder coating and preparation method thereof | |
| CN110157244A (en) | A kind of preparation method of novel environment friendly electrically conductive ink graphene additive | |
| CN104356382A (en) | Synthetic process of polyaniline/ ferroferric oxide/ graphene oxide composite material | |
| CN110791131A (en) | Water-based anticorrosive paint and preparation method thereof | |
| CN108659666A (en) | A kind of antirusting paint and preparation method thereof for mechanical equipment |
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 |
Application publication date: 20180313 |
|
| RJ01 | Rejection of invention patent application after publication |