CN113617493A - Raw material grinding method for preparing color ink - Google Patents
Raw material grinding method for preparing color ink Download PDFInfo
- Publication number
- CN113617493A CN113617493A CN202110727373.9A CN202110727373A CN113617493A CN 113617493 A CN113617493 A CN 113617493A CN 202110727373 A CN202110727373 A CN 202110727373A CN 113617493 A CN113617493 A CN 113617493A
- Authority
- CN
- China
- Prior art keywords
- grinding
- powder
- color ink
- cobalt
- ores
- 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
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C21/00—Disintegrating plant with or without drying of the material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
-
- 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
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
Abstract
The invention discloses a raw material grinding method for preparing color ink, which comprises the following steps: s1: obtaining raw materials of the color printing ink: the pigment is as follows: the cobalt ore and the filler are as follows: the calcium carbonate ore and the auxiliary agent are as follows: metallic cobalt; s2: pretreatment of raw materials: primarily crushing cobalt ores, calcium carbonate ores and metal cobalt, wherein the granularity of the cobalt ores, the calcium carbonate ores and the metal cobalt is required to be larger than 100 meshes, and performing high-temperature calcination treatment on the crushed cobalt ores and calcium carbonate ores; s3: the calcined cobalt ore and calcium carbonate ore of step S2 are sequentially put into a grinder to be ground. According to the invention, the raw materials for preparing the color ink are subjected to wet grinding and then dry grinding, so that the grinding precision of pigment powder, filler powder and auxiliary powder in the raw materials of the color ink is ensured, and the grinding effect of the raw materials of the color ink is ensured through multiple times of grinding, thereby improving the product quality of the color ink.
Description
Technical Field
The invention relates to a grinding method, in particular to a raw material grinding method for preparing color ink, and belongs to the technical field of color ink preparation.
Background
The ink is a uniform mixture composed of color bodies (such as pigments, dyes and the like), binders, filling materials, additives and the like; printing can be carried out, and drying is carried out on the printed body; is a colored pasty adhesive with certain fluidity. Thus, color (hue), body (rheology such as thickness, fluidity, etc.) and drying properties are the three most important properties of the ink. They are of various types, have different physical properties, and are thick and sticky; while some are quite rare. Some vegetable oil is used as a vehicle; some uses resin and solvent or water as the binder. These are determined according to the object to be printed, i.e., the substrate, the printing method, the type of printing plate, the drying method, and the like.
The raw materials of the existing color ink need to be ground in the preparation process, and the existing raw materials are not ground for many times in the grinding process, so that the fineness of the raw materials of the color ink is not enough, and the product quality of the color ink is influenced.
Disclosure of Invention
The invention aims to provide a raw material grinding method for preparing color ink, which aims to solve the problem that the product quality of the color ink is influenced because the fineness of the raw material of the color ink is not enough because the conventional raw material is not ground for multiple times in the grinding process in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the method comprises the following steps:
s1: obtaining raw materials of the color printing ink: the pigment is as follows: the cobalt ore and the filler are as follows: the calcium carbonate ore and the auxiliary agent are as follows: metallic cobalt;
s2: pretreatment of raw materials: primarily crushing cobalt ores, calcium carbonate ores and metal cobalt, wherein the granularity of the cobalt ores, the calcium carbonate ores and the metal cobalt is required to be larger than 100 meshes, and performing high-temperature calcination treatment on the crushed cobalt ores and calcium carbonate ores;
s3: sequentially putting the calcined cobalt ore and calcium carbonate ore obtained in the step S2 into a grinding machine for grinding, and adding a liquid grinding agent into the grinding process for secondary grinding to obtain pigment powder and filler powder;
s4: grinding the metal cobalt generated in the step S2, and adding a certain amount of stearic acid mixed grease in the grinding process to prepare auxiliary powder, wherein the granularity of the auxiliary powder micro-powder grinding material is smaller than W7;
s5: placing the pigment powder, the filler powder and the adjuvant powder obtained in the steps S3 and S4 into a grinding machine in sequence, adding pasty grinding paste for grinding, and sieving through a 2000-mesh sieve after grinding;
s6: and drying the screened pigment powder, filler powder and auxiliary powder for 1-2h at the temperature of 60-80 ℃ to obtain the pigment powder, the filler powder and the auxiliary powder.
As a preferred technical solution of the present invention, the temperature of the high-temperature calcination treatment in the step S2 is 1500-3000 ℃.
As a preferred technical solution of the present invention, the liquid abrasive in step S3 is: stearic acid, fatty acid, ethylene oxide, triethanolamine, paraffin, oleic acid and cetyl alcohol.
In a preferred embodiment of the present invention, the fine powder abrasive of the pigment powder and the filler powder in step S3 has a particle size larger than W7.
5. The method for grinding a raw material for color ink preparation according to claim 1, wherein: the stearic acid mixed ester in the step S4 is: and (3) glyceryl stearate.
In a preferred embodiment of the present invention, the particle sizes of the pigment powder, the filler powder and the adjuvant powder after grinding in step S5 are 5 to 30 μm.
7. The method for grinding a raw material for color ink preparation according to claim 1, wherein: the grinding paste in the step S5 is boron carbide grinding paste, and the boron carbide grinding paste comprises the following components: per 100 g: 76% of boron carbide, 12% of paraffin, 10% of ocean oil and 2% of turpentine.
As a preferable technical scheme of the invention, the method comprises the following steps:
the first step is as follows: the materials are mixed, and the obtained pigment, connecting material, filler and auxiliary agent are as follows: pigment: connecting materials: filling: the auxiliary agents are mixed according to the proportion of 1:50:30:15: 4;
the second step is that: pre-dispersing the ingredients obtained in the first step;
the third step: grinding the pre-dispersed mixture;
the fourth step: and (4) dispersing, stirring and filtering the ground mixture to obtain the color ink.
As a preferred embodiment of the present invention,
compared with the prior art, the invention has the beneficial effects that:
1. according to the raw material grinding method for preparing the color ink, the raw materials for preparing the color ink are subjected to wet grinding and then dry grinding, so that the grinding precision of pigment powder, filler powder and auxiliary powder in the raw materials of the color ink is guaranteed, the raw material grinding effect of the color ink is guaranteed through multiple times of grinding, and the product quality of the color ink is improved.
Drawings
FIG. 1 is a block flow diagram of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described below, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1, the present invention provides a technical solution of a raw material grinding method for color ink preparation:
example 1: raw material grinding method for preparing color printing ink
As shown in fig. 1, the method comprises the following steps:
the first step is as follows: obtaining raw materials of the color printing ink: the pigment is as follows: the cobalt ore and the filler are as follows: the calcium carbonate ore and the auxiliary agent are as follows: metallic cobalt;
the second step is that: pretreatment of raw materials: primarily crushing cobalt ores, calcium carbonate ores and metal cobalt, wherein the granularity of the cobalt ores, the calcium carbonate ores and the metal cobalt is required to be more than 100 meshes, and performing high-temperature calcination treatment on the crushed cobalt ores and calcium carbonate ores, wherein the temperature of the high-temperature calcination treatment is 1500-3000 ℃;
the third step: and sequentially putting the calcined cobalt ore and the calcined calcium carbonate ore in the second step into a grinding machine for grinding, and adding a liquid grinding agent into the grinding process for secondary grinding to obtain pigment powder and filler powder, wherein the liquid grinding agent is as follows: at least one or more of stearic acid, fatty acid, ethylene oxide, triethanolamine, paraffin, oleic acid, and cetyl alcohol, wherein the pigment powder and filler powder have a micronization abrasive particle size coarser than W7;
the fourth step: grinding the metal cobalt generated in the second step, adding a certain amount of stearic acid mixed grease in the grinding process to prepare the auxiliary powder, wherein the granularity of the auxiliary powder micro-powder grinding material is smaller than W7, and the stearic acid mixed grease is: glyceryl stearate;
the fifth step: placing the pigment powder, the filler powder and the adjuvant powder obtained in the third step and the fourth step into a grinding machine in sequence, adding the pasty grinding paste for grinding, sieving the ground pigment powder, the filler powder and the adjuvant powder by a 2000-mesh sieve, wherein the granularity of the ground pigment powder, the filler powder and the adjuvant powder is 5-30 microns, the grinding paste is boron carbide grinding paste, and the boron carbide grinding paste comprises the following components: per 100 g: 76% of boron carbide, 12% of paraffin, 10% of ocean oil and 2% of turpentine;
and a sixth step: and drying the screened pigment powder, filler powder and auxiliary powder for 1-2h at the temperature of 60-80 ℃ to obtain the pigment powder, the filler powder and the auxiliary powder.
The raw materials for preparing the color ink are subjected to wet grinding and then dry grinding, and the grinding effect of the raw materials of the color ink is ensured through multiple times of grinding, so that the product quality of the color ink is improved.
Example 2: preparation of a colored ink based on the raw materials of example 1
The method comprises the following steps:
the first step is as follows: the materials are mixed, and the obtained pigment, connecting material, filler and auxiliary agent are as follows: pigment: connecting materials: filling: the auxiliary agents are mixed according to the proportion of 1:50:30:15: 4;
the second step is that: pre-dispersing the ingredients obtained in the first step;
the third step: grinding the pre-dispersed mixture;
the fourth step: and (4) dispersing, stirring and filtering the ground mixture to obtain the color ink.
The color ink is prepared by mixing, pre-dispersing, grinding, dispersing and stirring the color ink raw materials generated by grinding in the example 1 and filtering, the prepared color ink has the minimum color and luster, smoothness, light resistance and color tone error, and the color ink product has high quality.
In the description of the present invention, it is to be understood that the ease of description and simplicity of description are not intended to indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and is not to be considered limiting.
In the present invention, unless otherwise explicitly specified or limited, for example, it may be fixedly attached, detachably attached, or integrated; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (8)
1. A raw material grinding method for preparing color ink is characterized by comprising the following steps:
s1: obtaining raw materials of the color printing ink: the pigment is as follows: the cobalt ore and the filler are as follows: the calcium carbonate ore and the auxiliary agent are as follows: metallic cobalt;
s2: pretreatment of raw materials: primarily crushing cobalt ores, calcium carbonate ores and metal cobalt, wherein the granularity of the cobalt ores, the calcium carbonate ores and the metal cobalt is required to be larger than 100 meshes, and performing high-temperature calcination treatment on the crushed cobalt ores and calcium carbonate ores;
s3: sequentially putting the calcined cobalt ore and calcium carbonate ore obtained in the step S2 into a grinding machine for grinding, and adding a liquid grinding agent into the grinding process for secondary grinding to obtain pigment powder and filler powder;
s4: grinding the metal cobalt generated in the step S2, and adding a certain amount of stearic acid mixed grease in the grinding process to prepare auxiliary powder, wherein the granularity of the auxiliary powder micro-powder grinding material is smaller than W7;
s5: placing the pigment powder, the filler powder and the adjuvant powder obtained in the steps S3 and S4 into a grinding machine in sequence, adding pasty grinding paste for grinding, and sieving through a 2000-mesh sieve after grinding;
s6: and drying the screened pigment powder, filler powder and auxiliary powder for 1-2h at the temperature of 60-80 ℃ to obtain the pigment powder, the filler powder and the auxiliary powder.
2. The method for grinding a raw material for color ink preparation according to claim 1, wherein: the temperature of the high-temperature calcination treatment in the step S2 is 1500-3000 ℃.
3. The method for grinding a raw material for color ink preparation according to claim 1, wherein: the liquid abrasive in step S3 is: stearic acid, fatty acid, ethylene oxide, triethanolamine, paraffin, oleic acid and cetyl alcohol.
4. The method for grinding a raw material for color ink preparation according to claim 1, wherein: the micro-powder abrasive grain size of the pigment powder and the filler powder in the step S3 is coarser than W7.
5. The method for grinding a raw material for color ink preparation according to claim 1, wherein: the stearic acid mixed ester in the step S4 is: and (3) glyceryl stearate.
6. The method for grinding a raw material for color ink preparation according to claim 1, wherein: the particle size of the pigment powder, filler powder and adjuvant powder after grinding in step S5 is 5-30 microns.
7. The method for grinding a raw material for color ink preparation according to claim 1, wherein: the grinding paste in the step S5 is boron carbide grinding paste, and the boron carbide grinding paste comprises the following components: per 100 g: 76% of boron carbide, 12% of paraffin, 10% of ocean oil and 2% of turpentine.
8. A preparation method of color printing ink is characterized in that: the method for grinding a raw material for color ink preparation according to any one of claims 1 to 7, comprising the steps of:
the first step is as follows: the materials are mixed, and the obtained pigment, connecting material, filler and auxiliary agent are as follows: pigment: connecting materials: filling: the auxiliary agents are mixed according to the proportion of 1:50:30:15: 4;
the second step is that: pre-dispersing the ingredients obtained in the first step;
the third step: grinding the pre-dispersed mixture;
the fourth step: and (4) dispersing, stirring and filtering the ground mixture to obtain the color ink.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110727373.9A CN113617493A (en) | 2021-06-29 | 2021-06-29 | Raw material grinding method for preparing color ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110727373.9A CN113617493A (en) | 2021-06-29 | 2021-06-29 | Raw material grinding method for preparing color ink |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113617493A true CN113617493A (en) | 2021-11-09 |
Family
ID=78378561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110727373.9A Pending CN113617493A (en) | 2021-06-29 | 2021-06-29 | Raw material grinding method for preparing color ink |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113617493A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070199410A1 (en) * | 2003-07-11 | 2007-08-30 | H.C. Starck Gmbh. | Method For The Production Of Fine Metal Powder, Alloy Powder And Composite Powder |
| CN101085876A (en) * | 2006-06-09 | 2007-12-12 | 德古萨有限责任公司 | Solid pigment preparations |
| CN101115804A (en) * | 2005-02-09 | 2008-01-30 | 巴斯福股份公司 | Solid pigment preparations containing fillers and water-soluble surface-active additives |
| CN101448906A (en) * | 2006-05-19 | 2009-06-03 | 爱克发印艺公司 | Stable non-aqueous inkjet inks |
| CN101627091A (en) * | 2007-03-05 | 2010-01-13 | Omya发展股份公司 | Method for dry-grinding one or more mineral materials consisting of at least one calcium carbonate |
| CN102615288A (en) * | 2012-03-26 | 2012-08-01 | 宁波福沃德新材料科技有限公司 | Method for preparing spherical metal molybdenum particles for cold spraying |
| CN104098138A (en) * | 2013-04-02 | 2014-10-15 | 比亚迪股份有限公司 | Metal compound and polymer product, their preparation methods, printing ink composition and surface selective metallization method |
| CN105107609A (en) * | 2015-10-08 | 2015-12-02 | 牡丹江金钢钻碳化硼有限公司 | Boron carbide accurate grinding aid and use method thereof |
| CN105683249A (en) * | 2013-08-29 | 2016-06-15 | 路博润先进材料公司 | Non-fused aromatic dispersant composition |
| CN107442250A (en) * | 2017-08-10 | 2017-12-08 | 青阳县永诚钙业有限责任公司 | A kind of preparation method of dolomite fines |
| CN109047777A (en) * | 2018-07-23 | 2018-12-21 | 王玉环 | A kind of NEW TYPE OF COMPOSITE dusty material production method containing ultra-fine ingredient |
| CN110964343A (en) * | 2018-09-28 | 2020-04-07 | 湖南金箭新材料科技有限公司 | Super white calcium carbonate |
-
2021
- 2021-06-29 CN CN202110727373.9A patent/CN113617493A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20070199410A1 (en) * | 2003-07-11 | 2007-08-30 | H.C. Starck Gmbh. | Method For The Production Of Fine Metal Powder, Alloy Powder And Composite Powder |
| CN101115804A (en) * | 2005-02-09 | 2008-01-30 | 巴斯福股份公司 | Solid pigment preparations containing fillers and water-soluble surface-active additives |
| CN101448906A (en) * | 2006-05-19 | 2009-06-03 | 爱克发印艺公司 | Stable non-aqueous inkjet inks |
| CN101085876A (en) * | 2006-06-09 | 2007-12-12 | 德古萨有限责任公司 | Solid pigment preparations |
| CN101627091A (en) * | 2007-03-05 | 2010-01-13 | Omya发展股份公司 | Method for dry-grinding one or more mineral materials consisting of at least one calcium carbonate |
| CN102615288A (en) * | 2012-03-26 | 2012-08-01 | 宁波福沃德新材料科技有限公司 | Method for preparing spherical metal molybdenum particles for cold spraying |
| CN104098138A (en) * | 2013-04-02 | 2014-10-15 | 比亚迪股份有限公司 | Metal compound and polymer product, their preparation methods, printing ink composition and surface selective metallization method |
| CN105683249A (en) * | 2013-08-29 | 2016-06-15 | 路博润先进材料公司 | Non-fused aromatic dispersant composition |
| CN105107609A (en) * | 2015-10-08 | 2015-12-02 | 牡丹江金钢钻碳化硼有限公司 | Boron carbide accurate grinding aid and use method thereof |
| CN107442250A (en) * | 2017-08-10 | 2017-12-08 | 青阳县永诚钙业有限责任公司 | A kind of preparation method of dolomite fines |
| CN109047777A (en) * | 2018-07-23 | 2018-12-21 | 王玉环 | A kind of NEW TYPE OF COMPOSITE dusty material production method containing ultra-fine ingredient |
| CN110964343A (en) * | 2018-09-28 | 2020-04-07 | 湖南金箭新材料科技有限公司 | Super white calcium carbonate |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102127343B (en) | High-fineness aqueous color paste and preparation method thereof | |
| CN102097183B (en) | Process for preparing conductive slurry for crystalline silicon solar cell front electrode | |
| CN108962425A (en) | A kind of preparation method of graphene conductive slurry | |
| CN107945910A (en) | The front electrode of solar battery silver paste and preparation method of silver-doped coated graphite alkene | |
| CN108405869A (en) | A kind of preparation method of small particle flake silver powder | |
| CN101033353A (en) | Color type water-based ink compositions and preparation method thereof | |
| CN104123977A (en) | Annular piezoresistor silver paste, preparation method and application thereof | |
| CN113617493A (en) | Raw material grinding method for preparing color ink | |
| CN114806262A (en) | High-stability spot color ink and preparation method thereof | |
| CN109912301A (en) | It is a kind of to make ferritic method and ferrite using MnZn grinding waste mud | |
| CN111748222B (en) | High-tinting strength copper-chromium black pigment and preparation method thereof | |
| CN103572617A (en) | Water-based anti-settling non-laminated fluorescent pigment paste | |
| CN112053796B (en) | Silver sulfide resistant electrode paste and preparation method thereof | |
| CN110951281B (en) | Copper-chromium black toner prepared by solid-phase sintering method promoted by molybdenum oxide and zinc oxide and preparation method thereof | |
| DE69730582T2 (en) | METHOD FOR PRODUCING AN INORGANIC PIGMENT | |
| CN110610771B (en) | Touch screen silver paste and preparation method thereof | |
| CN108410252A (en) | A kind of sun-proof filler material, preparation method and the sun-proof offset ink including the sun-proof filler material | |
| JP3597964B2 (en) | Method for producing yellow inorganic pigment | |
| KR102413398B1 (en) | Easily disintegratable copper powder and manufacturing method thereof | |
| CN111763436A (en) | Dry preparation process of gray iron oxide pigment | |
| CN114773899B (en) | Purple ink and preparation method thereof | |
| CN109946933A (en) | A kind of preparation method of ink powder | |
| CN108751978A (en) | The preparation method of zinc oxide pressure-sensitive ceramic resistor disc | |
| CN114989663B (en) | Blue ink and preparation method thereof | |
| JP3597962B2 (en) | Method for producing green inorganic pigment |
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: 20211109 |