CN109535983A - Solvent-free elastic polyurethane anti-corrosion floor material - Google Patents
Solvent-free elastic polyurethane anti-corrosion floor material Download PDFInfo
- Publication number
- CN109535983A CN109535983A CN201811551553.0A CN201811551553A CN109535983A CN 109535983 A CN109535983 A CN 109535983A CN 201811551553 A CN201811551553 A CN 201811551553A CN 109535983 A CN109535983 A CN 109535983A
- Authority
- CN
- China
- Prior art keywords
- parts
- component
- byk
- solvent
- ether
- 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
- C09D175/00—Coating compositions based on polyureas or polyurethanes; Coating compositions based on derivatives of such polymers
- C09D175/04—Polyurethanes
-
- 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
- C09D5/08—Anti-corrosive paints
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
-
- 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
- C08K3/30—Sulfur-, selenium- or tellurium-containing compounds
- C08K2003/3045—Sulfates
Abstract
The invention discloses solvent-free elastic polyurethane anti-corrosion floor materials, including component A and B component, raw materials used component A includes: poly methylene poly phenyl poly isocyanate, 2,6- diisocyanate methyl caproate, propylene glycol butyl ether acetate, glycol ether, mill base, silica flour, blanc fixe powder, mica powder, N-methylmorpholine, lead naphthenate, BYK-358N, BYK-066N, BYK-163.Raw materials used B component includes: ketone resin, organic fluorine, polyglycerol ether, dibutyl tin dilaurate.Floor material produced by the present invention is that one kind can have very strong resistance to acid and alkali, water-tolerant, resistance to salt water are good, impact resistance is good, skid resistance is good with indoor and outdoor material.
Description
Technical field
The invention belongs to floor material technical fields, and in particular to solvent-free elastic polyurethane anti-corrosion floor material.
Background technique
Polyurethane floor is softly mild, and the personnel that can be stood between terrace provide sufficient comfort level.These elastic terraces
Material has not only forced down footsteps and horizontal noise is propagated, and by self-deformation and can reply resistance scratch, therefore, poly- ammonia
Ester terrace is of wide application, the huge market demand.But traditional solvent-borne polyurethane floor coatings contain toxic solvent, serious dirty
Environment is contaminated, is detrimental to health, therefore floor paint is mainly used as outdoor material.With the improvement of the quality of life, and to environment
The great attention of protection, various environmental regulations have strictly the discharge amount of volatile organic compounds, the content of hazardous solvent
Limitation, developing a can be used to indoor can also be used for outdoor environmental protection floor paint material and be even more important.The invention discloses
Solvent-free elastic polyurethane anti-corrosion floor material, can use indoor and outdoor material, have very strong resistance to acid and alkali, water-tolerant,
Resistance to salt water is good, impact resistance is good, skid resistance is good, can meet the market demand.
Summary of the invention
The purpose of the present invention is to provide solvent-free elastic polyurethane anti-corrosion floor material, the terrace that the present invention is prepared
Material has very strong resistance to acid and alkali, and water-tolerant, resistance to salt water are good, impact resistance is good, skid resistance is good, can be applied to it is indoor and
It is outdoor.
To achieve the above object, the present invention adopts the following technical scheme:
Solvent-free elastic polyurethane anti-corrosion floor material, including component A and B component, component A is raw materials used to wrap by weight
It includes: 20-35 parts of poly methylene poly phenyl poly isocyanate, 20-30 parts of 2,6- diisocyanate methyl caproate, propandiol butyl ether vinegar
12-20 parts of acid esters, 1-5 parts of glycol ether, 1-10 parts of mill base, 20-30 parts of silica flour, 10-12 parts of blanc fixe powder, mica powder
10-15 parts, 1-3 parts of N-methylmorpholine, 2-4 parts of lead naphthenate, 0.5-0.7 parts of BYK-358N, 0.1-0.3 parts of BYK-066N,
0.6-0.8 parts of BYK-163；Raw materials used B component includes: 20-25 parts of ketone resin, organic fluorine 10-20 by weight
Part, 1-5 parts of polyglycerol ether, 2.0-2.5 parts of dibutyl tin dilaurate.
Preferably, solvent-free elastic polyurethane anti-corrosion floor material, including component A and B component, component A is raw materials used to press
Parts by weight meter includes: 20 parts of poly methylene poly phenyl poly isocyanate, 20 parts of 2,6- diisocyanate methyl caproate, propylene glycol fourth
12 parts of ether acetate, 1 part of glycol ether, 1 part of mill base, 20 parts of silica flour, 10 parts of blanc fixe powder, 10 parts of mica powder, N- first
1 part of base morpholine, 2 parts of lead naphthenate, 0.5 part of BYK-358N, 0.1 part of BYK-066N, 0.6 part of BYK-163；Original used in B component
Material includes: 20 parts of ketone resin, 10 parts of organic fluorine, 1 part of polyglycerol ether, dibutyl tin dilaurate by weight
2.0 part.
Wherein, component A and the weight ratio of B component cooperation are 10:3.
Preparation method the following steps are included:
(1) by poly methylene poly phenyl poly isocyanate, 2,6- diisocyanate methyl caproate, propandiol butyl ether vinegar in component A
Acid esters is added in reaction kettle by corresponding number and is heated to 90-100 DEG C and with the tachyphylaxis 2- of 1800-2000r/min
After being cooled to 30-40 DEG C, N-methylmorpholine is added in 2.5h, is improved revolving speed to 2500-3000r/min and is stirred 10min, reduction is stirred
It mixes speed and is slowly added into glycol ether, mill base, silica flour, blanc fixe powder, mica powder, aphthenic acids to 800-1000r/min
Lead, BYK-358N, BYK-066N parts, BYK-163；30min is stirred with 3000r/min, is cooled to room temperature, pretreatment A group is obtained
Point；
(2) by B component organic fluorine, polyglycerol ether with 2500-3000r/min stir 30min, keto-aldehyde is then added
Resin, dibutyl tin dilaurate obtain pretreatment B component with 3000r/min stirring 20min discharging；
(3) pretreated component A is uniformly mixed to obtain solvent-free elastic polyurethane anti-corrosion terrace by weight 10:3 with B component
Material.
The present invention has the advantages that
Elastic polyurethane floor, which is prepared, in the present invention has the characteristics that no hazardous solvent, no pollution to the environment, compared to existing
Elastic polyurethane floor, it is more environmentally-friendly, and there is good preservative efficacy, indoor and outdoor material can be used, had very strong
Resistance to acid and alkali, water-tolerant, resistance to salt water are good, impact resistance is good, skid resistance is good.
Specific embodiment
Further to disclose rather than the present invention is limited, the present invention is described in further detail below in conjunction with example.
Embodiment 1
Solvent-free elastic polyurethane anti-corrosion floor material, including component A and B component, component A is raw materials used to wrap by weight
It includes: 20 parts of poly methylene poly phenyl poly isocyanate, 20 parts of 2,6- diisocyanate methyl caproate, propylene glycol butyl ether acetate 12
Part, 1 part of glycol ether, 1 part of mill base, 20 parts of silica flour, 10 parts of blanc fixe powder, 10 parts of mica powder, 1 part of N-methylmorpholine,
2 parts of lead naphthenate, 0.5 part of BYK-358N, 0.1 part of BYK-066N, 0.6 part of BYK-163.
Raw materials used B component includes: 20 parts of ketone resin, 10 parts of organic fluorine, polyglycerol ether by weight: 1
Part, 2.0 parts of dibutyl tin dilaurate.
Component A and the weight ratio of B component cooperation are 10:3.
The preparation method is as follows:
(1) by poly methylene poly phenyl poly isocyanate, 2,6- diisocyanate methyl caproate, propandiol butyl ether vinegar in component A
Acid esters is added in reaction kettle by corresponding number and is heated to 90-100 DEG C and with the tachyphylaxis 2.5h of 1800r/min, is cooled to
After 30-40 DEG C, N-methylmorpholine is added, improves revolving speed to 3000r/min and stirs 10min, reduce mixing speed to 1000r/min
It is slowly added into glycol ether, mill base, silica flour, blanc fixe powder, mica powder, lead naphthenate, BYK-358N, BYK-066N
Part, BYK-163；30min is stirred with 3000r/min, is cooled to room temperature, pretreatment component A is obtained；
(2) by B component organic fluorine, polyglycerol ether with 2500r/min stir 30min, then be added ketone resin,
Dibutyl tin dilaurate obtains pretreatment B component with 3000r/min stirring 20min discharging；
(3) pretreated component A is uniformly mixed to obtain solvent-free elastic polyurethane anti-corrosion terrace by weight 10:3 with B component
Material.
Embodiment 2
Solvent-free elastic polyurethane anti-corrosion floor material, including component A and B component, component A is raw materials used to wrap by weight
It includes: 30 parts of poly methylene poly phenyl poly isocyanate, 25 parts of 2,6- diisocyanate methyl caproate, propylene glycol butyl ether acetate 15
Part, 3 parts of glycol ether, 5 parts of mill base, 25 parts of silica flour, 11 parts of blanc fixe powder, 13 parts of mica powder, 2 parts of N-methylmorpholine,
3 parts of lead naphthenate, 0.6 part of BYK-358N, 0.2 part of BYK-066N, 0.7 part of BYK-163.
Raw materials used B component includes: 22 parts of ketone resin, 15 parts of organic fluorine, polyglycerol ether by weight: 3
Part, 2.3 parts of dibutyl tin dilaurate.
Component A and the weight ratio of B component cooperation are 10:3.
(1) by poly methylene poly phenyl poly isocyanate, 2,6- diisocyanate methyl caproate, propylene glycol fourth in component A
Ether acetate is added in reaction kettle by corresponding number and is heated to 90-100 DEG C and with the tachyphylaxis 2h of 2000r/min, cooling
To after 30-40 DEG C, N-methylmorpholine is added, improves revolving speed to 2500r/min and stirs 10min, reduce mixing speed to 800r/
Min is slowly added into glycol ether, mill base, silica flour, blanc fixe powder, mica powder, lead naphthenate, BYK-358N, BYK-
066N parts, BYK-163；30min is stirred with 3000r/min, is cooled to room temperature, pretreatment component A is obtained；
(2) by B component organic fluorine, polyglycerol ether with 2500r/min stir 30min, then be added ketone resin,
Dibutyl tin dilaurate obtains pretreatment B component with 3000r/min stirring 20min discharging；
(3) pretreated component A is uniformly mixed to obtain solvent-free elastic polyurethane anti-corrosion terrace by weight 10:3 with B component
Material.
Embodiment 3
Solvent-free elastic polyurethane anti-corrosion floor material, including component A and B component, component A is raw materials used to wrap by weight
It includes: 35 parts of poly methylene poly phenyl poly isocyanate, 30 parts of 2,6- diisocyanate methyl caproate, propylene glycol butyl ether acetate 20
Part, 5 parts of glycol ether, 10 parts of mill base, 30 parts of silica flour, 12 parts of blanc fixe powder, 15 parts of mica powder, 3 parts of N-methylmorpholine,
4 parts of lead naphthenate, 0.7 part of BYK-358N, 0.3 part of BYK-066N, 0.8 part of BYK-163.
Raw materials used B component includes: 25 parts of ketone resin, 20 parts of organic fluorine, polyglycerol ether by weight: 5
Part, 2.5 parts of dibutyl tin dilaurate.
Component A and the weight ratio of B component cooperation are 10:3.
(1) by poly methylene poly phenyl poly isocyanate, 2,6- diisocyanate methyl caproate, propylene glycol fourth in component A
Ether acetate is added in reaction kettle by corresponding number and is heated to 90-100 DEG C and with the tachyphylaxis 2h of 2000r/min, cooling
To after 30-40 DEG C, N-methylmorpholine is added, improves revolving speed to 2500r/min and stirs 10min, reduce mixing speed to 800r/
Min is slowly added into glycol ether, mill base, silica flour, blanc fixe powder, mica powder, lead naphthenate, BYK-358N, BYK-
066N parts, BYK-163；30min is stirred with 3000r/min, is cooled to room temperature, pretreatment component A is obtained；
(2) by B component organic fluorine, polyglycerol ether with 2500r/min stir 30min, then be added ketone resin,
Dibutyl tin dilaurate obtains pretreatment B component with 3000r/min stirring 20min discharging；
(3) pretreated component A is uniformly mixed to obtain solvent-free elastic polyurethane anti-corrosion terrace by weight 10:3 with B component
Material.
The performance parameter that embodiment 1-3 prepares obtained floor material is shown in Table 1.
The measured performance parameter of 1 embodiment terrace of table
The foregoing is merely presently preferred embodiments of the present invention, all equivalent changes done according to scope of the present invention patent with repair
Decorations, are all covered by the present invention.
Claims (4)
1. solvent-free elastic polyurethane anti-corrosion floor material, including component A and B component, it is characterised in that: component A is raw materials used
Include: by weight 20-35 parts of poly methylene poly phenyl poly isocyanate, 20-30 parts of 2,6- diisocyanate methyl caproate,
12-20 parts of propylene glycol butyl ether acetate, 1-5 parts of glycol ether, 1-10 parts of mill base, 20-30 parts of silica flour, blanc fixe powder
10-12 parts, 10-15 parts of mica powder, 1-3 parts of N-methylmorpholine, 2-4 parts of lead naphthenate, 0.5-0.7 parts of BYK-358N, BYK-
0.1-0.3 parts of 066N, 0.6-0.8 parts of BYK-163；
Raw materials used B component includes: 20-25 parts of ketone resin, 10-20 parts of organic fluorine, polyglycerol ether by weight
1-5 parts, 2.0-2.5 parts of dibutyl tin dilaurate.
2. solvent-free elastic polyurethane anti-corrosion floor material according to claim 1, it is characterised in that component A is raw materials used to press
Parts by weight meter includes: 20 parts of poly methylene poly phenyl poly isocyanate, 20 parts of 2,6- diisocyanate methyl caproate, propylene glycol fourth
12 parts of ether acetate, 1 part of glycol ether, 1 part of mill base, 20 parts of silica flour, 10 parts of blanc fixe powder, 10 parts of mica powder, N- first
1 part of base morpholine, 2 parts of lead naphthenate, 0.5 part of BYK-358N, 0.1 part of BYK-066N, 0.6 part of BYK-163；
Raw materials used B component includes: 20 parts of ketone resin, 10 parts of organic fluorine, 1 part of polyglycerol ether, two by weight
2.0 parts of dibutyl tin laurate.
3. solvent-free elastic polyurethane anti-corrosion floor material according to claim 1 or claim 2, it is characterised in that: component A and B group
The weight ratio that distribution is closed is 10:3.
4. a kind of preparation method of elastic polyurethane anti-corrosion floor material solvent-free as described in claim 1-3 is any, including with
Lower step:
(1) by poly methylene poly phenyl poly isocyanate, 2,6- diisocyanate methyl caproate, propandiol butyl ether vinegar in component A
Acid esters is added in reaction kettle by corresponding number and is heated to 90-100 DEG C and with the tachyphylaxis 2- of 1800-2000r/min
After being cooled to 30-40 DEG C, N-methylmorpholine is added in 2.5h, is improved revolving speed to 2500-3000r/min and is stirred 10min, reduction is stirred
It mixes speed and is slowly added into glycol ether, mill base, silica flour, blanc fixe powder, mica powder, aphthenic acids to 800-1000r/min
Lead, BYK-358N, BYK-066N parts, BYK-163；30min is stirred with 3000r/min, is cooled to room temperature, pretreatment A group is obtained
Point；
(2) by B component organic fluorine, polyglycerol ether with 2500-3000r/min stir 30min, keto-aldehyde is then added
Resin, dibutyl tin dilaurate obtain pretreatment B component with 3000r/min stirring 20min discharging；
(3) pretreated component A is uniformly mixed to obtain solvent-free elastic polyurethane anti-corrosion terrace by weight 10:3 with B component
Material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551553.0A CN109535983A (en) | 2018-12-19 | 2018-12-19 | Solvent-free elastic polyurethane anti-corrosion floor material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811551553.0A CN109535983A (en) | 2018-12-19 | 2018-12-19 | Solvent-free elastic polyurethane anti-corrosion floor material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109535983A true CN109535983A (en) | 2019-03-29 |
Family
ID=65855744
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811551553.0A Pending CN109535983A (en) | 2018-12-19 | 2018-12-19 | Solvent-free elastic polyurethane anti-corrosion floor material |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109535983A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418068A (en) * | 2007-08-31 | 2009-04-29 | 赢创德固赛有限责任公司 | Solvent-free continuous preparation method of no-tin reaction product, prepared product and use thereof |
| CN102153944A (en) * | 2011-03-07 | 2011-08-17 | 刘文明 | Solvent-free polyurethane elastomeric coating with self-lubricating effect |
| CN103113818A (en) * | 2013-02-19 | 2013-05-22 | 海洋化工研究院有限公司 | Preparation and application of solvent-free spraying polyurethane pipeline mending coating |
| CN106366883A (en) * | 2016-08-29 | 2017-02-01 | 福州皇家地坪有限公司 | Solvent-free epoxy polyurethane resin floor coating |
| CN107652934A (en) * | 2017-09-30 | 2018-02-02 | 温州生物材料与工程研究所 | A kind of room temperature super fast curing double component solvent-free polyurethane structure glue and its preparation and application |
| CN108047925A (en) * | 2017-12-13 | 2018-05-18 | 山东诺威体育产业有限公司 | Polyurethane gravity flow self-leveling floor material and preparation method thereof |
-
2018
- 2018-12-19 CN CN201811551553.0A patent/CN109535983A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101418068A (en) * | 2007-08-31 | 2009-04-29 | 赢创德固赛有限责任公司 | Solvent-free continuous preparation method of no-tin reaction product, prepared product and use thereof |
| CN102153944A (en) * | 2011-03-07 | 2011-08-17 | 刘文明 | Solvent-free polyurethane elastomeric coating with self-lubricating effect |
| CN103113818A (en) * | 2013-02-19 | 2013-05-22 | 海洋化工研究院有限公司 | Preparation and application of solvent-free spraying polyurethane pipeline mending coating |
| CN106366883A (en) * | 2016-08-29 | 2017-02-01 | 福州皇家地坪有限公司 | Solvent-free epoxy polyurethane resin floor coating |
| CN107652934A (en) * | 2017-09-30 | 2018-02-02 | 温州生物材料与工程研究所 | A kind of room temperature super fast curing double component solvent-free polyurethane structure glue and its preparation and application |
| CN108047925A (en) * | 2017-12-13 | 2018-05-18 | 山东诺威体育产业有限公司 | Polyurethane gravity flow self-leveling floor material and preparation method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101885943B (en) | Nano-glass heat insulation paint and preparation method thereof | |
| CN101386771B (en) | Elastic polyurethane silver paint and preparation method and use method thereof | |
| CN104559617B (en) | A kind of application type aqueous dual-component fluorocarbon coating and its preparation and application | |
| CN105733491A (en) | Low-TVOC polyurethane weather-proof sealant and preparation method thereof | |
| CN104610868B (en) | Amino stoving varnish composition with scratch self-remediation function and preparation method of amino stoving varnish composition | |
| US11965114B2 (en) | Powder coating used for household appliance coiled material and preparation method thereof | |
| CN104530408B (en) | Extra-weather-proof polyester resin for powder coating, the powdery paints using this resin and preparation method thereof | |
| CN102732079A (en) | Exterior wall dope and preparation method of exterior wall dope | |
| CN110655858A (en) | Single-component polyurethane waterproof coating and preparation method thereof | |
| CN112251124A (en) | Stain-resistant acrylic polyurethane finish paint and preparation method thereof | |
| CN110229602A (en) | Fluorocarbon coating and preparation method thereof and coating process | |
| CN108699393A (en) | The manufacturing method and coated article of powder coating, base material with film | |
| CN109233390B (en) | Environment-friendly epoxy resin coating for buildings | |
| CN107474721B (en) | Double-component polyurethane environment-friendly flame-retardant floor coating and preparation method thereof | |
| CN102964976A (en) | Elastic polyurethane intermediate paint and preparation method and using method thereof | |
| CN114381174A (en) | Automobile exterior high-brightness black coating and preparation method and application thereof | |
| CN109535983A (en) | Solvent-free elastic polyurethane anti-corrosion floor material | |
| CN106047059A (en) | Powder coating with good weather resistance and method for preparing powder coating | |
| CN102241908B (en) | Polyurethane grizzly for megawatt wind-power blade with high performance and preparation method thereof | |
| CN113773744B (en) | Water-based alkyd anticorrosive paint and preparation method thereof | |
| CN113150648A (en) | Aqueous bi-component thick-coatable ultralow-VOC high-solid clear primer and preparation method thereof | |
| CN104592837A (en) | Superfast-dried hood surface varnish for repairing automobiles and preparation method of varnish | |
| CN110982396B (en) | High-corrosion-resistance color plate coil coating | |
| CN106995651B (en) | A kind of modified solventless polyurethane coating and preparation method thereof | |
| CN105176280A (en) | Preparing method for paint for external wall |
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: 20190329 |