CN111662600A - Anti-highlight orthographic projection coating and orthographic projection screen - Google Patents
Anti-highlight orthographic projection coating and orthographic projection screen Download PDFInfo
- Publication number
- CN111662600A CN111662600A CN201910412954.6A CN201910412954A CN111662600A CN 111662600 A CN111662600 A CN 111662600A CN 201910412954 A CN201910412954 A CN 201910412954A CN 111662600 A CN111662600 A CN 111662600A
- Authority
- CN
- China
- Prior art keywords
- coating
- orthographic projection
- substrate
- highlight
- aluminum silicate
- 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
- C09D133/04—Homopolymers or copolymers of esters
-
- 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
- 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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
-
- G—PHYSICS
- G03—PHOTOGRAPHY; CINEMATOGRAPHY; ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ELECTROGRAPHY; HOLOGRAPHY
- G03B—APPARATUS OR ARRANGEMENTS FOR TAKING PHOTOGRAPHS OR FOR PROJECTING OR VIEWING THEM; APPARATUS OR ARRANGEMENTS EMPLOYING ANALOGOUS TECHNIQUES USING WAVES OTHER THAN OPTICAL WAVES; ACCESSORIES THEREFOR
- G03B21/00—Projectors or projection-type viewers; Accessories therefor
- G03B21/54—Accessories
- G03B21/56—Projection screens
- G03B21/60—Projection screens characterised by the nature of the surface
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Inorganic Chemistry (AREA)
- Paints Or Removers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
Abstract
The invention relates to an anti-highlight orthographic projection coating, which comprises amorphous calcium aluminum silicate, hollow glass microspheres and a coating substrate, wherein 1-40g of amorphous calcium aluminum silicate and 1-40g of hollow glass microspheres are added into each 100mL of the coating substrate; the grain diameter of the amorphous calcium aluminum silicate is 1nm-100 mu m. The coating of the invention can be applied to any projection surface, and can ensure that the screen not only has a wide visual angle, but also can keep brightness and color under strong light. The paint of the invention can be sprayed in a spraying way, can be used at any time, and ensures that the area of a projection screen is not limited, can be large or small, and has no seam. The coating of the present invention can be applied to any material, so that various surfaces can be projected flat.
Description
Technical Field
The invention relates to an anti-highlight orthographic projection coating and an orthographic projection screen.
Background
With the development of the projection technology, the image effect presented by the projector in combination with the optical film is more and more perfect, and the projector is favored by more and more consumers who pursue the super-large picture effect, however, to achieve the exquisite picture presentation effect, an exquisite optical screen is more necessary besides the high-quality projector. It can be said that, today, the quality of the projection screen directly determines the perfection of the projection picture.
An optical projection screen: an optical projection screen is a projection screen made up of a series of microscopic optical structures that allow the projector light intensity and the ambient light intensity to be redistributed among the screen structures. The projector has the characteristics that the projector can effectively weaken the ambient light intensity and enhance the light intensity projected by the projector, improve the picture contrast, the brightness gain, the color reducibility, the resolution ratio and the like, and meet the requirements of people on ultrahigh image quality.
Existing orthographic projections are mainly made of white, grey or black cloth or plastic. While a white screen cannot maintain brightness and color under strong light, and a gray or dark screen cannot maintain brightness and color under strong light. People have used fresnel lens on projection screen can change the reasonable distribution of projector owner light in watching the space, can also eliminate the influence of ambient light, improve the contrast of screen, and the visual angle is watched in the scatterer then providing, but the screen size who adopts this structure alone receives the restriction.
Disclosure of Invention
The invention aims to provide an anti-highlight orthographic projection coating and an orthographic projection screen. The coating disclosed by the invention can be applied to any projection surface, so that the screen can have a wide visual angle and bright colors. The brightness and color can be still maintained under strong light after further improvement.
The invention is realized by the following technical scheme:
scheme I)
An anti-highlight orthographic projection coating comprises amorphous calcium aluminum silicate, hollow glass microspheres and a coating substrate, wherein 1-40g of amorphous calcium aluminum silicate and 1-40g of hollow glass microspheres are added into each 100mL of the coating substrate; the grain diameter of the amorphous calcium aluminum silicate is 1nm-100 mu m.
In order to ensure that the coating can be normally used under sunlight, the coating further comprises black particles, wherein the black particles are 5-45mm black glass microspheres, 5-45mm black particles or black, non-reflective, transparent and flaky silica glass, 0-30g of the black particles are added according to 100mL of a coating substrate, and the silica glass has the thickness of 200-300nm and the width of 40-50 mu m.
The coating substrate of the present invention may be a water-based paint or an oil-based paint, and for the sake of environmental protection, a water-based paint is preferably used in the present invention. Commercially available water-based paints may be used.
In order to form an environment-friendly uniform film layer which is better in adsorption with a substrate and smooth, the water-based paint consists of the following components in parts by volume: 400-500mL of water-based acrylic emulsion, 1-2mL of defoaming agent, 1-2mL of wetting agent, 1-2mL of flatting agent, 20-30mL of film-forming assistant and 0.5-1mL of adhesive.
Scheme two)
A process for preparing the high-brightness orthographic projection paint includes such steps as mixing non-crystal calcium aluminium silicate, hollow glass microspheres and paint substrate, stirring for 2-5 min, and mixing.
A process for preparing the high-brightness orthographic projection paint includes such steps as mixing non-crystal calcium aluminium silicate, hollow glass microspheres, black particles and substrate, stirring for 2-5 min, and stirring.
Scheme three)
An anti-highlight orthographic projection screen comprises an anti-highlight orthographic projection base material and the anti-highlight orthographic projection coating coated on the surface of the anti-highlight orthographic projection base material.
The anti-highlight orthographic projection substrate is a plane substrate or a curved surface substrate.
The anti-highlight orthographic projection substrate is glass, an acrylic plate or a transparent plastic plate
Compared with the prior art, the invention has the following beneficial effects:
the coating of the invention can be applied to any projection surface, and can ensure that the screen not only has a wide visual angle, but also can keep brightness and color under strong light.
The paint of the invention can be sprayed in a spraying way, can be used at any time, and ensures that the area of a projection screen is not limited, can be large or small, and has no seam.
The coating of the present invention can be applied to any material, so that various surfaces can be projected flat.
Detailed Description
The invention will be further elucidated with reference to the following embodiments: but is not limited to the following embodiments only and any modifications or alterations according to the principles of the present invention should be considered within the scope of the present invention.
The amorphous calcium aluminosilicates described in the following examples were produced from Vetro mineral company, wherein the amorphous calcium aluminosilicates were prepared mainly by melting the following components (the melting temperature may be 650-: SiO 2250-55 parts by mass of Al2O315-20 parts by mass, 20-25 parts by mass of CaO, B2O30-6 parts by mass and 0-1 part by mass of MgO.
Silica glass is produced by glass flake company (glassmelt Limited). It mainly comprises black iron oxide and silicon dioxide, and is a glass formed by cooling after fusion. Are commercially available.
The aqueous acrylic emulsion is preferably Jsdl-518 from Jiangsu New Material Co. The paint substrate of the invention can also be selected from commercially available oil paint, and when the oil paint is selected, other auxiliary agents are correspondingly changed in order to meet the performances of the paint such as hardness, adhesion and the like.
The defoaming agent is NXZ from Runz chemical industry, Inc. of Guangzhou city.
The wetting agent is preferably PE100, a product of Runzi, Guangzhou, Inc.
The leveling agent is preferably selected from Guangzhou Mitsu chemical industry Co., Ltd 2020.
The binder is preferably Hickchi New materials, Inc. H-592, Guangzhou.
5-45mm black glass beads or black particles are manufactured by Cospheric corporation of America.
Hollow glass microspheres are manufactured by 3M company, usa.
Example 1
An anti-glare orthographic projection coating comprises amorphous calcium aluminum silicate, hollow glass microspheres and a coating substrate, wherein the coating comprises 50g of amorphous calcium aluminum silicate, 12.5g of hollow glass microspheres, 400mL of aqueous acrylic emulsion, 1mL of defoaming agent, 1mL of wetting agent, 1mL of leveling agent, 20mL of film-forming aid and 0.5mL of adhesive.
Stirring the amorphous calcium aluminum silicate, the hollow glass microspheres and the coating substrate for 2 minutes until the materials are uniformly mixed.
The anti-highlight orthographic projection coating comprises a projection substrate and the projection coating coated on the surface of the projection substrate.
The projection substrate is a flat glass substrate.
Example 2
An anti-glare orthographic projection coating comprises amorphous calcium aluminum silicate, hollow glass microspheres and a coating substrate, and the embodiment comprises 50g of amorphous calcium aluminum silicate, 12.5g of hollow glass microspheres, 20g of black particles, 500mL of aqueous acrylic emulsion, 2mL of an antifoaming agent, 2mL of a wetting agent, 2mL of a leveling agent, 30mL of a film-forming assistant and 0.5mL of a binder.
Stirring the amorphous calcium aluminum silicate, the hollow glass microspheres, the black particles and the coating substrate for 5 minutes until the materials are uniformly mixed. The black particles in this embodiment are silica glass, and black glass beads of 5-45mm or black particles of 5-45mm in particle size can also be used.
The anti-highlight orthographic projection coating comprises a projection substrate and the projection coating coated on the surface of the projection substrate.
The projection substrate is a plane acrylic substrate.
Example 3
An anti-glare orthographic projection coating comprises amorphous calcium aluminum silicate, hollow glass microspheres and a coating substrate, wherein the coating comprises 50g of amorphous calcium aluminum silicate, 12.5g of hollow glass microspheres, 50g of black particles, 450mL of water-based acrylic emulsion, 1.5mL of defoaming agent, 1.5mL of wetting agent, 1.5mL of leveling agent, 25mL of film-forming assistant and 0.5mL of adhesive.
Stirring the amorphous calcium aluminum silicate, the hollow glass microspheres, the black particles and the coating substrate for 5 minutes until the materials are uniformly mixed. The black particles in this embodiment are silica glass, and black glass beads of 5-45mm or black particles of 5-45mm in particle size can also be used.
The anti-highlight orthographic projection coating comprises a projection substrate and the projection coating coated on the surface of the projection substrate.
The projection substrate is a curved plastic film.
Example 4
An anti-glare orthographic projection coating comprising amorphous calcium aluminum silicate, hollow glass microspheres and a coating substrate, this example comprising 50g amorphous calcium aluminum silicate, 12.5g hollow glass microspheres, 50g black particles and a commercially available oil based paint.
Stirring the amorphous calcium aluminum silicate, the hollow glass microspheres, the black particles and the coating substrate for 5 minutes until the materials are uniformly mixed. The black particles in this embodiment are silica glass, and black glass beads of 5-45mm or black particles of 5-45mm in particle size can also be used.
The anti-highlight orthographic projection coating comprises a projection substrate and the projection coating coated on the surface of the projection substrate.
The projection substrate is plane transparent plastic.
The coatings of the rear projection screens prepared in the above examples were tested for their correlation properties, and the results are as follows
Claims (9)
1. An anti-highlight orthographic projection coating is characterized in that: the coating comprises amorphous calcium aluminum silicate, hollow glass microspheres and a coating substrate, wherein 1-40g of amorphous calcium aluminum silicate and 1-40g of hollow glass microspheres are added into each 100mL of the coating substrate; the grain diameter of the amorphous calcium aluminum silicate is 1nm-100 mu m.
2. The anti-glare orthographic projection coating of claim 1, wherein: the coating also comprises black particles, wherein the black particles are 5-45mm black glass microspheres, 5-45mm black particles or black, non-reflective, transparent and flaky silica glass, 0-30g of the black particles are added according to 100mL of a coating substrate, the thickness of the silica glass is 200-300nm, and the width of the silica glass is 40-50 mu m.
3. The anti-glare orthographic projection coating of claim 1, wherein: the coating substrate is water paint or oil paint.
4. The anti-glare orthographic projection coating of claim 3, wherein: the water-based paint comprises the following components in parts by volume: 400-500mL of water-based acrylic emulsion, 1-2mL of defoaming agent, 1-2mL of wetting agent, 1-2mL of flatting agent, 20-30mL of film-forming assistant and 0.5-1mL of adhesive.
5. The method for preparing the anti-highlight orthographic projection coating according to claim 1, wherein: the amorphous calcium aluminum silicate, the hollow glass microspheres and the coating substrate are stirred for 2-5 minutes until being uniformly mixed.
6. The method for preparing the anti-highlight orthographic projection coating according to claim 2, wherein: stirring the amorphous calcium aluminum silicate, the hollow glass microspheres, the black particles and the coating substrate for 2-5 minutes until the materials are uniformly mixed.
7. An anti-glare orthographic projection screen, comprising: the coating comprises an anti-highlight orthographic projection substrate and the anti-highlight orthographic projection coating which is coated on the surface of the anti-highlight orthographic projection substrate and is defined in any one of claims 1 to 4.
8. The anti-glare orthographic projection screen of claim 7, wherein: the anti-highlight orthographic projection substrate is a plane substrate or a curved surface substrate.
9. The anti-glare orthographic projection screen of claim 7, wherein: the anti-highlight orthographic projection substrate is glass, an acrylic plate or a transparent plastic plate.
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910412954.6A CN111662600A (en) | 2019-05-17 | 2019-05-17 | Anti-highlight orthographic projection coating and orthographic projection screen |
PCT/CN2020/090015 WO2020233469A1 (en) | 2019-05-17 | 2020-05-13 | Anti-glare front-projection coating material and front-projection screen |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910412954.6A CN111662600A (en) | 2019-05-17 | 2019-05-17 | Anti-highlight orthographic projection coating and orthographic projection screen |
Publications (1)
Publication Number | Publication Date |
---|---|
CN111662600A true CN111662600A (en) | 2020-09-15 |
Family
ID=72382254
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910412954.6A Pending CN111662600A (en) | 2019-05-17 | 2019-05-17 | Anti-highlight orthographic projection coating and orthographic projection screen |
Country Status (2)
Country | Link |
---|---|
CN (1) | CN111662600A (en) |
WO (1) | WO2020233469A1 (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115304975A (en) * | 2022-08-17 | 2022-11-08 | 龙牌涂料(北京)有限公司 | High-stain-resistance water-based projection curtain paint and preparation method thereof |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040033347A1 (en) * | 2001-03-05 | 2004-02-19 | Lauersdorf William F. | Method of making a composite with a barrier layer in a closed mold process and composite produced thereby |
CN102070951A (en) * | 2011-01-28 | 2011-05-25 | 宜兴汉光高新石化有限公司 | Heat insulation paint and preparation method thereof |
CN104090459A (en) * | 2014-06-20 | 2014-10-08 | 江苏红叶视听器材股份有限公司 | Grey micro-bead projection screen and manufacturing method thereof |
CN104212222A (en) * | 2014-09-24 | 2014-12-17 | 广西新晶科技有限公司 | Application, composite anti-rusting pigment and parathion method of calcium phosphate aluminum silicate |
EP2886523A1 (en) * | 2013-12-19 | 2015-06-24 | Bostik Sa | Wall and ceiling coating composition having heat insulation properties |
CN105153827A (en) * | 2015-07-09 | 2015-12-16 | 常州百富电子有限公司 | Thermal insulation coating material |
CN106147527A (en) * | 2016-07-19 | 2016-11-23 | 安徽圣德建材科技有限公司 | A kind of aqueous epoxy coating used for building exterior wall |
CN109486366A (en) * | 2018-10-31 | 2019-03-19 | 安徽开林新材料股份有限公司 | A kind of marine water epoxy coating |
WO2019060492A1 (en) * | 2017-09-20 | 2019-03-28 | 3M Innovative Properties Company | Coating compositions comprising hollow glass microspheres and films therefrom |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101702075A (en) * | 2009-12-01 | 2010-05-05 | 上海科炎光电技术有限公司 | Colorless transparent projection display fluorescent film |
CN106200243A (en) * | 2015-04-17 | 2016-12-07 | 金学正 | Utilize the light beam projector irradiation display screen of the coating easily removed |
CN108303846A (en) * | 2016-06-30 | 2018-07-20 | 苏州黑白画映影视器材有限公司 | A kind of microballon projection screen and preparation method thereof |
KR20180052888A (en) * | 2016-11-11 | 2018-05-21 | 페인트팜 주식회사 | Paint composition for preparing beam projector screen and beam projector screen |
-
2019
- 2019-05-17 CN CN201910412954.6A patent/CN111662600A/en active Pending
-
2020
- 2020-05-13 WO PCT/CN2020/090015 patent/WO2020233469A1/en active Application Filing
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20040033347A1 (en) * | 2001-03-05 | 2004-02-19 | Lauersdorf William F. | Method of making a composite with a barrier layer in a closed mold process and composite produced thereby |
CN102070951A (en) * | 2011-01-28 | 2011-05-25 | 宜兴汉光高新石化有限公司 | Heat insulation paint and preparation method thereof |
EP2886523A1 (en) * | 2013-12-19 | 2015-06-24 | Bostik Sa | Wall and ceiling coating composition having heat insulation properties |
CN104090459A (en) * | 2014-06-20 | 2014-10-08 | 江苏红叶视听器材股份有限公司 | Grey micro-bead projection screen and manufacturing method thereof |
CN104212222A (en) * | 2014-09-24 | 2014-12-17 | 广西新晶科技有限公司 | Application, composite anti-rusting pigment and parathion method of calcium phosphate aluminum silicate |
CN105153827A (en) * | 2015-07-09 | 2015-12-16 | 常州百富电子有限公司 | Thermal insulation coating material |
CN106147527A (en) * | 2016-07-19 | 2016-11-23 | 安徽圣德建材科技有限公司 | A kind of aqueous epoxy coating used for building exterior wall |
WO2019060492A1 (en) * | 2017-09-20 | 2019-03-28 | 3M Innovative Properties Company | Coating compositions comprising hollow glass microspheres and films therefrom |
CN109486366A (en) * | 2018-10-31 | 2019-03-19 | 安徽开林新材料股份有限公司 | A kind of marine water epoxy coating |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN115304975A (en) * | 2022-08-17 | 2022-11-08 | 龙牌涂料(北京)有限公司 | High-stain-resistance water-based projection curtain paint and preparation method thereof |
CN115304975B (en) * | 2022-08-17 | 2023-09-19 | 龙牌涂料(北京)有限公司 | High-sewage-resistance projection curtain paint and preparation method thereof |
Also Published As
Publication number | Publication date |
---|---|
WO2020233469A1 (en) | 2020-11-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
JPH0748527A (en) | Optical meterial having antireflection layer and production thereof | |
US4734295A (en) | Glare control | |
CN106700785B (en) | Can thick film spray the aluminum-alloy wheel coating varnish and preparation method thereof that can recoat | |
CN107739159A (en) | A kind of haze low-luster anti-dazzling film and preparation method thereof | |
CN103396715B (en) | Colorful heat-reflecting insulating coating and production method thereof | |
CN104090459A (en) | Grey micro-bead projection screen and manufacturing method thereof | |
CN111662600A (en) | Anti-highlight orthographic projection coating and orthographic projection screen | |
JP6736650B2 (en) | Projection transmission type screen and manufacturing method thereof | |
CN111748270B (en) | Coating for projection screen and preparation method thereof | |
CN111635674A (en) | Transparent projection coating and orthographic projection screen | |
TWI853214B (en) | Liquid composition, film, and article having film | |
CN111057463B (en) | UV-cured anti-glare coating and preparation method thereof | |
CN109337528A (en) | A kind of outdoor low-gloss powder coating and preparation method thereof | |
CN107861329A (en) | A kind of fluorescent screen face | |
CN111635678A (en) | Rear projection coating and rear projection screen | |
CN1511901A (en) | High performance metal filling building decorative paint | |
CN108676451A (en) | Diffusing reflection coating material, high-resolution white plastic curtain cloth and preparation method thereof | |
KR20190079775A (en) | Paint composition for preparing beam projector screen and beam projector screen | |
CN111635675A (en) | Ultra-short-focus back projection coating and ultra-short-focus back projection screen | |
CN112126299A (en) | Optical coating for projection screen for laser TV and preparation method thereof | |
CN111647367B (en) | Multifunctional film for clear image presentation and manufacturing method | |
JPH08231904A (en) | Coating for projection screen and projection screen using the same | |
CN102746790B (en) | Imaging material for fabricating rear-projection screen | |
CN110862757A (en) | Light diffusion coating, light diffusion sheet, preparation method of light diffusion sheet and backlight module | |
CN102749799B (en) | 3D rear projection screen and method for manufacturing same |
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: 20200915 |