CN107828306A - A kind of hydrophobicity ship coating that can be self-cleaning - Google Patents

A kind of hydrophobicity ship coating that can be self-cleaning Download PDF

Info

Publication number
CN107828306A
CN107828306A CN201711128672.0A CN201711128672A CN107828306A CN 107828306 A CN107828306 A CN 107828306A CN 201711128672 A CN201711128672 A CN 201711128672A CN 107828306 A CN107828306 A CN 107828306A
Authority
CN
China
Prior art keywords
parts
self
resin
hydrophobicity
ship coating
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
Application number
CN201711128672.0A
Other languages
Chinese (zh)
Inventor
贺海兰
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Foshan Gaoming District Productivity Promotion Center
Original Assignee
Foshan Gaoming District Productivity Promotion Center
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Foshan Gaoming District Productivity Promotion Center filed Critical Foshan Gaoming District Productivity Promotion Center
Priority to CN201711128672.0A priority Critical patent/CN107828306A/en
Publication of CN107828306A publication Critical patent/CN107828306A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D161/00Coating compositions based on condensation polymers of aldehydes or ketones; Coating compositions based on derivatives of such polymers
    • C09D161/20Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16Antifouling paints; Underwater paints
    • C09D5/1606Antifouling paints; Underwater paints characterised by the anti-fouling agent
    • C09D5/1612Non-macromolecular compounds
    • C09D5/1618Non-macromolecular compounds inorganic
    • CCHEMISTRY; METALLURGY
    • C09DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09DCOATING 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
    • C09D5/00Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
    • C09D5/16Antifouling paints; Underwater paints
    • C09D5/1656Antifouling paints; Underwater paints characterised by the film-forming substance
    • C09D5/1662Synthetic film-forming substance
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/18Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/20Oxides; Hydroxides
    • C08K3/22Oxides; Hydroxides of metals
    • C08K2003/2237Oxides; Hydroxides of metals of titanium
    • C08K2003/2241Titanium dioxide
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/011Nanostructured additives
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K2201/00Specific properties of additives
    • C08K2201/014Additives containing two or more different additives of the same subgroup in C08K
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/03Polymer mixtures characterised by other features containing three or more polymers in a blend
    • C08L2205/035Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend

Abstract

The present invention relates to a kind of hydrophobicity ship coating that can be self-cleaning, specifically it is made by following component:Resin-oatmeal, liquid paraffin, coupling agent, defoamer, levelling agent, hard barium powder, calcium silicates, nano size Titania, nano level active charcoal, carbonic acid silicon, color stuffing.The present invention adds the titanium oxide of Graphene powder and nano micropore structure in traditional ship coating, the organic pollution of material surface being oxidized quickly can be made to be attached to, become carbon dioxide and water, automatic volatilization elimination reaches self-cleaning effect, it largely avoided the problem of corrosion and marine attaching organism of the seawater on hull influence hull service life, maintenance cost is greatly reduced simultaneously, has filled up ship coating technology blank both domestic and external, the market competitiveness is extremely strong.

Description

A kind of hydrophobicity ship coating that can be self-cleaning
Technical field
The invention belongs to technical field of coatings, and in particular to a kind of hydrophobicity ship coating that can be self-cleaning.
Background technology
Ship coating is to be used for ship and each position of ocean engineering structure, satisfaction prevent seawater, sea atmosphere corrosion and Marine organisms adhere to and the general designation of the coating of other particular/special requirements.Therefore need solve corrosion and ocean attachment of the seawater to hull The problem of biotic influence hull service life.
The content of the invention
In order to solve the above problems, the invention provides a kind of hydrophobicity ship coating that can be self-cleaning.
The present invention is achieved through the following technical solutions:
A kind of hydrophobicity ship coating that can be self-cleaning, according to the mass fraction, is specifically made by following component:Resin-oatmeal 50- 60 parts, liquid paraffin 5-8 parts, coupling agent 1-2 parts, defoamer 1-2 parts, levelling agent 1-2 parts, Graphene powder 1.5-2 parts, hard barium powder 3-5 parts, calcium silicates 6-8 parts, nano size Titania 1-2 parts, nano level active charcoal 0.5-1 parts, carbonic acid silicon 0.2-0.6 parts, face are filled out Expect 5-8 parts, solvent 100-120 parts;Its preparation method, specially following steps:
(1) resin-oatmeal, liquid paraffin are placed in high mixer, melting 10- is sufficiently mixed at a temperature of 120-130 DEG C 12 minutes, obtain material A;
(2) treat that the material A naturally cools to less than 100 DEG C, be blended with the solvent in the container equipped with dispersion machine, Then dispersing speed is adjusted to 300-400r/min, is sufficiently stirred the 60-80 seconds, obtain material B;
(3) remaining raw material and the material B are blended, dispersing speed are adjusted to 800-1000r/min, at stirring 3-8 minutes are managed, after the completion of stirring, obtain slurry;
(4) slurry is placed in refiner, and is heated to 50-60 DEG C, be fully ground 5-10 minutes, obtain fine grinding slurry;
(5) by fine grinding slurry 120 mesh of sieving, get product.
Further, the resin-oatmeal, by vinyl chloride-vinyl acetate resin, rosin modified phenolic resin, amino resins, asphalt tree Fat, vinyl 10-15 in mass ratio:5:20:3:It is made after 1 mixing.
Further, the coupling agent, by dihydro MU, isobutyl ethyl triethoxy silicane 2-5 in mass ratio:After 20 mixing It is made.
Further, the defoamer, by silicone emulsion, dimethyl silicone polymer 10-15 in mass ratio:Made after 1 mixing .
Beneficial effects of the present invention:The present invention adds Graphene powder and nano micropore structure in traditional ship coating Titanium oxide, can make to be attached to the organic pollution of material surface being oxidized quickly, become carbon dioxide and water, wave automatically Hair elimination reaches self-cleaning effect, and largely avoided corrosion and marine attaching organism of the seawater on hull influences hull service life Problem, while maintenance cost is greatly reduced, ship coating technology blank both domestic and external is filled up, the market competitiveness is extremely strong.
Embodiment
Embodiment 1
A kind of hydrophobicity ship coating that can be self-cleaning, according to the mass fraction, is specifically made by following component:Resin-oatmeal 50 Part, 5 parts of liquid paraffin, 1 part of coupling agent, 1 part of defoamer, 1 part of levelling agent, 1.5 parts of Graphene powder, 3 parts of hard barium powder, calcium silicates 6 Part, 1 part of nano size Titania, 0.5 part of nano level active charcoal, 0.2 part of carbonic acid silicon, 5 parts of color stuffing, 100 parts of solvent;Its preparation side Method, specially following steps:
(1) resin-oatmeal, liquid paraffin are placed in high mixer, melting 10- is sufficiently mixed at a temperature of 120-130 DEG C 12 minutes, obtain material A;
(2) treat that the material A naturally cools to less than 100 DEG C, be blended with the solvent in the container equipped with dispersion machine, Then dispersing speed is adjusted to 300-400r/min, is sufficiently stirred the 60-80 seconds, obtain material B;
(3) remaining raw material and the material B are blended, dispersing speed are adjusted to 800-1000r/min, at stirring 3-8 minutes are managed, after the completion of stirring, obtain slurry;
(4) slurry is placed in refiner, and is heated to 50-60 DEG C, be fully ground 5-10 minutes, obtain fine grinding slurry;
(5) by fine grinding slurry 120 mesh of sieving, get product.
Further, resin-oatmeal, by vinyl chloride-vinyl acetate resin, rosin modified phenolic resin, amino resins, asphalt resin, second Olefine resin in mass ratio 10:5:20:3:It is made after 1 mixing.
Further, coupling agent is by dihydro MU, isobutyl ethyl triethoxy silicane in mass ratio 2:It is made, disappears after 20 mixing Infusion, by silicone emulsion, dimethyl silicone polymer in mass ratio 10:It is made after 1 mixing.
Graphene powder makes each composition and hull combination closer, strengthens the adhesive force of coating, and is not susceptible to corrode, and prolongs Its long service life.
Embodiment 2
A kind of hydrophobicity ship coating that can be self-cleaning, according to the mass fraction, is specifically made by following component:Resin-oatmeal 60 Part, 8 parts of liquid paraffin, 2 parts of coupling agent, 2 parts of defoamer, 2 parts of levelling agent, 2 parts of Graphene powder, 5 parts of hard barium powder, 8 parts of calcium silicates, 2 parts of nano size Titania, 1 part of nano level active charcoal, 0.6 part of carbonic acid silicon, 8 parts of color stuffing, 120 parts of solvent;Its preparation method, tool Body is following steps:
(1) resin-oatmeal, liquid paraffin are placed in high mixer, melting 10- is sufficiently mixed at a temperature of 120-130 DEG C 12 minutes, obtain material A;
(2) treat that the material A naturally cools to less than 100 DEG C, be blended with the solvent in the container equipped with dispersion machine, Then dispersing speed is adjusted to 300-400r/min, is sufficiently stirred the 60-80 seconds, obtain material B;
(3) remaining raw material and the material B are blended, dispersing speed are adjusted to 800-1000r/min, at stirring 3-8 minutes are managed, after the completion of stirring, obtain slurry;
(4) slurry is placed in refiner, and is heated to 50-60 DEG C, be fully ground 5-10 minutes, obtain fine grinding slurry;
(5) by fine grinding slurry 120 mesh of sieving, get product.
Further, the resin-oatmeal, by vinyl chloride-vinyl acetate resin, rosin modified phenolic resin, amino resins, asphalt tree Fat, vinyl in mass ratio 15:5:20:3:It is made after 1 mixing.
Further, the coupling agent, by dihydro MU, isobutyl ethyl triethoxy silicane in mass ratio 5:Made after 20 mixing .
Further, the defoamer, by silicone emulsion, dimethyl silicone polymer in mass ratio 15:It is made after 1 mixing.
Embodiment 3
A kind of hydrophobicity ship coating that can be self-cleaning, according to the mass fraction, is specifically made by following component:Resin-oatmeal 55 Part, 7 parts of liquid paraffin, 1.5 parts of coupling agent, 1.5 parts of defoamer, 1.5 parts of levelling agent, 1.8 parts of Graphene powder, 4 parts of hard barium powder, silicon Sour 7 parts of calcium, 1.5 parts of nano size Titania, 0.8 part of nano level active charcoal, 0.4 part of carbonic acid silicon, 6 parts of color stuffing, 110 parts of solvent; Its preparation method, specially following steps:
(1) resin-oatmeal, liquid paraffin are placed in high mixer, melting 10- is sufficiently mixed at a temperature of 120-130 DEG C 12 minutes, obtain material A;
(2) treat that the material A naturally cools to less than 100 DEG C, be blended with the solvent in the container equipped with dispersion machine, Then dispersing speed is adjusted to 300-400r/min, is sufficiently stirred the 60-80 seconds, obtain material B;
(3) remaining raw material and the material B are blended, dispersing speed are adjusted to 800-1000r/min, at stirring 3-8 minutes are managed, after the completion of stirring, obtain slurry;
(4) slurry is placed in refiner, and is heated to 50-60 DEG C, be fully ground 5-10 minutes, obtain fine grinding slurry;
(5) by fine grinding slurry 120 mesh of sieving, get product.
Further, the resin-oatmeal, by vinyl chloride-vinyl acetate resin, rosin modified phenolic resin, amino resins, asphalt tree Fat, vinyl in mass ratio 12:5:20:3:It is made after 1 mixing.
Further, the coupling agent, by dihydro MU, isobutyl ethyl triethoxy silicane in mass ratio 3:Made after 20 mixing .
Further, the defoamer, by silicone emulsion, dimethyl silicone polymer in mass ratio 12:It is made after 1 mixing.
Comparative example
This comparative example compared with Example 1, is added without nano size Titania and nano level active charcoal, in addition method and step All same.
By experiment, hydrophobicity ship coating that can be self-cleaning provided by the invention has preferably certainly compared to comparative example Clean effect and resistance seawater and the performance of organic pollution corrosion, hull cleaning non-corroding for a long time is can effectively ensure that, significantly Hull maintenance cost is reduced, is worth of widely use.
Finally it should be noted that:The preferred embodiments of the present invention are these are only, are not intended to limit the invention, although The present invention is described in detail with reference to embodiment, for those skilled in the art, it still can be to foregoing Technical scheme described in each embodiment is modified, or to which part technical characteristic carry out equivalent substitution, but it is all Within the spirit and principles in the present invention, any modification, equivalent substitution and improvements made etc., the protection of the present invention should be included in Within the scope of.

Claims (8)

1. a kind of hydrophobicity ship coating that can be self-cleaning, it is characterised in that according to the mass fraction, be specifically made by following component: Resin-oatmeal 50-60 parts, liquid paraffin 5-8 parts, coupling agent 1-2 parts, defoamer 1-2 parts, levelling agent 1-2 parts, Graphene powder 1.5-2 Part, hard barium powder 3-5 parts, calcium silicates 6-8 parts, nano size Titania 1-2 parts, nano level active charcoal 0.5-1 parts, carbonic acid silicon 0.2- 0.6 part, color stuffing 5-8 parts, solvent 100-120 parts;Its preparation method, specially following steps:
(1) resin-oatmeal, liquid paraffin are placed in high mixer, 10-12 points of melting is sufficiently mixed at a temperature of 120-130 DEG C Clock, obtain material A;
(2) treat that the material A naturally cools to less than 100 DEG C, be blended with the solvent in the container equipped with dispersion machine, then Dispersing speed is adjusted to 300-400r/min, is sufficiently stirred the 60-80 seconds, obtains material B;
(3) remaining raw material and the material B are blended, dispersing speed is adjusted to 800-1000r/min, stir process 3- 8 minutes, after the completion of stirring, obtain slurry;
(4) slurry is placed in refiner, and is heated to 50-60 DEG C, be fully ground 5-10 minutes, obtain fine grinding slurry;
(5) by fine grinding slurry 120 mesh of sieving, get product.
A kind of 2. hydrophobicity ship coating that can be self-cleaning according to claim 1, it is characterised in that:It is a kind of can be self-cleaning dredge Water-based ship coating, according to the mass fraction, specifically it is made by following component:55 parts of resin-oatmeal, 7 parts of liquid paraffin, coupling agent 1.5 Part, 1.5 parts of defoamer, 1.5 parts of levelling agent, 1.8 parts of Graphene powder, 4 parts of hard barium powder, 7 parts of calcium silicates, nano size Titania 1.5 Part, 0.8 part of nano level active charcoal, 0.4 part of carbonic acid silicon, 6 parts of color stuffing, 110 parts of solvent.
A kind of 3. hydrophobicity ship coating that can be self-cleaning according to claim 1, it is characterised in that:The resin-oatmeal, by Vinyl chloride-vinyl acetate resin, rosin modified phenolic resin, amino resins, asphalt resin, vinyl 10-15 in mass ratio:5:20:3: It is made after 1 mixing.
A kind of 4. hydrophobicity ship coating that can be self-cleaning according to claim 1, it is characterised in that:The resin-oatmeal, by Vinyl chloride-vinyl acetate resin, rosin modified phenolic resin, amino resins, asphalt resin, vinyl in mass ratio 12:5:20:3:1 is mixed It is made after conjunction.
A kind of 5. hydrophobicity ship coating that can be self-cleaning according to claim 1, it is characterised in that:The coupling agent, by Dihydro MU, isobutyl ethyl triethoxy silicane 2-5 in mass ratio:It is made after 20 mixing.
A kind of 6. hydrophobicity ship coating that can be self-cleaning according to claim 1, it is characterised in that:The coupling agent, by Dihydro MU, isobutyl ethyl triethoxy silicane in mass ratio 3:It is made after 20 mixing.
A kind of 7. hydrophobicity ship coating that can be self-cleaning according to claim 1, it is characterised in that:The defoamer, by Silicone emulsion, dimethyl silicone polymer 10-15 in mass ratio:It is made after 1 mixing.
A kind of 8. hydrophobicity ship coating that can be self-cleaning according to claim 1, it is characterised in that:The defoamer, by Silicone emulsion, dimethyl silicone polymer in mass ratio 12:It is made after 1 mixing.
CN201711128672.0A 2017-11-15 2017-11-15 A kind of hydrophobicity ship coating that can be self-cleaning Pending CN107828306A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201711128672.0A CN107828306A (en) 2017-11-15 2017-11-15 A kind of hydrophobicity ship coating that can be self-cleaning

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201711128672.0A CN107828306A (en) 2017-11-15 2017-11-15 A kind of hydrophobicity ship coating that can be self-cleaning

Publications (1)

Publication Number Publication Date
CN107828306A true CN107828306A (en) 2018-03-23

Family

ID=61655508

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201711128672.0A Pending CN107828306A (en) 2017-11-15 2017-11-15 A kind of hydrophobicity ship coating that can be self-cleaning

Country Status (1)

Country Link
CN (1) CN107828306A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108480550A (en) * 2018-05-25 2018-09-04 邹峰 A kind of preparation method of high-strength corrosion-resisting mold casting coating
CN115262273A (en) * 2022-07-29 2022-11-01 浙江弘利新材料有限公司 Surface sizing agent for improving water resistance of paperboard and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107267052A (en) * 2017-08-10 2017-10-20 合肥市田源精铸有限公司 A kind of metal underwater paint

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107267052A (en) * 2017-08-10 2017-10-20 合肥市田源精铸有限公司 A kind of metal underwater paint

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108480550A (en) * 2018-05-25 2018-09-04 邹峰 A kind of preparation method of high-strength corrosion-resisting mold casting coating
CN115262273A (en) * 2022-07-29 2022-11-01 浙江弘利新材料有限公司 Surface sizing agent for improving water resistance of paperboard and preparation method thereof

Similar Documents

Publication Publication Date Title
DE602004008793T3 (en) HAFTSCHICHTMASSE WITH AT LEAST TWO PIECES OF FUNCTIONAL POLYSILOXAN COMPOUNDS AND CORRESPONDING USE
CN102433062A (en) Low surface energy nano polyurethane anti-fouling paint and preparation method thereof
CN105482702B (en) A kind of self-polishing antifouling paint and preparation method thereof
JP3948934B2 (en) Aluminum pigment, method for producing the same, and resin composition
EP3816240B1 (en) Betaine ionic liquid-modified coating, and preparation method and use thereof
CN104893569A (en) Silica sol enhanced organic silicon antifouling paint and preparation method thereof
CN106566354B (en) With the matching used nano combined antifouling paint of anti-corrosion intermediate coat and preparation method thereof
WO2018180936A1 (en) Coated pigment
CN107828306A (en) A kind of hydrophobicity ship coating that can be self-cleaning
CN102618165A (en) Nanometer polysiloxane nontoxic low-surface-energy ship antifouling coating and preparation method thereof
CN109749580A (en) A kind of marine surface antifouling paint and preparation method thereof
CN105400419A (en) Epoxy modified silane marine anti-corrosion and anti-fouling paint
CN107267052A (en) A kind of metal underwater paint
WO2016088694A1 (en) Method for reinforcing contamination-resistant film
CN107779039A (en) A kind of self-cleaning hydrophobic coating
CN106318130A (en) High-performance epoxy resin heavy anti-corrosion paint
CN109880505A (en) A kind of low smell environment-friendly type abrasion-proof terrace paint and preparation method thereof
CN105623336A (en) Medical waterproof bactericidal paint and preparation method thereof
CN110172296A (en) A kind of production method of Environmental-protecwaterproof waterproof paint
CN103725127B (en) A kind of Marine climate resistant high-strength coating and preparation technology thereof
CN110066583B (en) Modified alkyd resin coating and preparation method thereof
CN107641391A (en) A kind of hydrophobicity ship coating that can be self-cleaning
CN102533106B (en) Tin-free low surface energy antifouling coating and preparation thereof
CN107964290A (en) A kind of anti-aging environmental protection coating material of high molecular nanometer
CN103396712A (en) Hydrolyzed marine antifouling paint and preparation method thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20180323