CN113800827A - Pigment C40 ordinary concrete and preparation method thereof - Google Patents

Pigment C40 ordinary concrete and preparation method thereof Download PDF

Info

Publication number
CN113800827A
CN113800827A CN202010555273.8A CN202010555273A CN113800827A CN 113800827 A CN113800827 A CN 113800827A CN 202010555273 A CN202010555273 A CN 202010555273A CN 113800827 A CN113800827 A CN 113800827A
Authority
CN
China
Prior art keywords
parts
concrete
water
pigment
stirring
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
CN202010555273.8A
Other languages
Chinese (zh)
Inventor
王思海
陈春光
陈玉喜
王建华
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.)
Hainan Zhaocheng Concrete Co ltd
Original Assignee
Hainan Zhaocheng Concrete Co ltd
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 Hainan Zhaocheng Concrete Co ltd filed Critical Hainan Zhaocheng Concrete Co ltd
Priority to CN202010555273.8A priority Critical patent/CN113800827A/en
Publication of CN113800827A publication Critical patent/CN113800827A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B28/00Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B28WORKING CEMENT, CLAY, OR STONE
    • B28CPREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28C5/00Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/80Optical properties, e.g. transparency or reflexibility
    • C04B2111/82Coloured materials

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Ceramic Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Inorganic Chemistry (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Preparation Of Clay, And Manufacture Of Mixtures Containing Clay Or Cement (AREA)
  • Curing Cements, Concrete, And Artificial Stone (AREA)

Abstract

The invention relates to concrete, in particular to pigment C40 common concrete and a preparation method thereof. The concrete comprises first primary color concrete, second primary color concrete and third primary color concrete. The concrete is firstly used as the ternary color, then a certain amount of ternary color concrete is selected according to the requirement for mixing, the color of the obtained mixture is necessarily closer to the design, and the great difference of the final color caused by adopting cement, sand and stone of different brands and the like when the concrete is prepared can be avoided.

Description

Pigment C40 ordinary concrete and preparation method thereof
Technical Field
The invention relates to concrete, in particular to pigment C40 common concrete and a preparation method thereof.
Background
The C40 concrete is prepared from the following components in parts by weight: water: sand: crushing stone: the water reducing agent is 10:3.9:12.9:28.8: 100. In addition, in order to provide a certain color to the concrete product, a corresponding pigment is added and mixed, so that the so-called pigment concrete is obtained.
The defects of the prior art are as follows: various pigments are usually calculated and put into the concrete when it is prepared, but in practice, the concrete itself is very complex in composition, it is not a simple solvent, some pigments may not produce the necessary color depth after being added, and the final product is far from the design by the prior art.
Disclosure of Invention
In order to overcome the defects in the prior art, the invention provides pigment concrete which can enable the color and the design to be closer.
The technical scheme of the invention is as follows:
the pigment C40 common concrete comprises first primary color concrete, second primary color concrete and third primary color concrete;
wherein the first primary color concrete comprises 240 parts by weight of 230-containing cement, 170 parts by weight of 160-containing water, 840 parts by weight of 830-containing sand, 955 parts by weight of broken stone, 130 parts by weight of 120-containing mineral powder, 8-10 parts by weight of composite water reducer, 90-95 parts by weight of sugar water, 50-60 parts by weight of iron oxide red and 50-60 parts by weight of bletilla striata water;
wherein the second-element color mixed concrete comprises 240 parts of 230-containing cement, 170 parts of 160-containing water, 840 parts of 830-containing sand, 955 parts of gravel, 130 parts of 120-containing mineral powder, 8-10 parts of composite water reducer, 90-95 parts of sugar water, 50-60 parts of lead-tin yellow and 50-60 parts of bletilla striata water;
wherein the third-element color mixed concrete comprises 240 parts of 230-containing cement, 170 parts of 160-containing water, 840 parts of 830-containing sand, 955 parts of gravel, 130 parts of 120-containing mineral powder, 8-10 parts of composite water reducing agent, 90-95 parts of sugar water, 50-60 parts of cobalt blue and 50-60 parts of bletilla striata water.
Specifically, the composite water reducing agent is a polycarboxylic acid water reducing agent.
Specifically, the sugar water is prepared by mixing soft white sugar and deionized water according to the weight ratio of 2: 1.
Specifically, the bletilla striata water is prepared by mixing bletilla striata powder and deionized water according to the weight part ratio of 1: 41.
A preparation method of pigment C40 ordinary concrete comprises the following steps:
step one, preparing first primary color concrete, weighing 230-240 parts of cement, 160-170 parts of water, 830-840 parts of sand, 935-955 parts of gravel, 120-130 parts of mineral powder and 8-10 parts of a composite water reducing agent; putting the concrete into a stirring tank and stirring to obtain common concrete; then weighing 90-95 parts of sugar water, 50-60 parts of iron oxide red and 50-60 parts of bletilla striata water; placing the mixture into another stirring tank to be stirred to obtain a pigment; finally, stirring and mixing the pigment and the common concrete;
step two, preparing second binary color concrete, weighing 230-240 parts of cement, 160-170 parts of water, 830-840 parts of sand, 935-955 parts of gravel, 120-130 parts of mineral powder and 8-10 parts of a composite water reducing agent; putting the concrete into a stirring tank and stirring to obtain common concrete; then weighing 90-95 parts of sugar water, 50-60 parts of lead tin yellow and 50-60 parts of bletilla striata water; placing the mixture into another stirring tank to be stirred to obtain a pigment; finally, stirring and mixing the pigment and the common concrete;
step three, preparing third element color concrete, weighing 230-240 parts of cement, 160-170 parts of water, 830-840 parts of sand, 935-955 parts of gravel, 120-130 parts of mineral powder and 8-10 parts of a composite water reducing agent; putting the concrete into a stirring tank and stirring to obtain common concrete; then weighing 90-95 parts of sugar water, 50-60 parts of cobalt blue and 50-60 parts of bletilla striata water; placing the mixture into another stirring tank to be stirred to obtain a pigment; finally, stirring and mixing the pigment and the common concrete;
fourthly, the pigment concrete can be obtained by selecting the parts of the first primary color concrete, the second primary color concrete and the third primary color concrete according to the set colors and stirring and mixing the selected parts in the first 20 minutes before use; and comparing the pigment concrete with the set color, and if the pigment concrete has the difference, further finely adjusting according to a pigment ternary color mixing method. For example, a purple color is set, but the formulated pigmented concrete is reddish, and a small amount of tertiary colored concrete is added.
The relationship between the set color and the parts of the first primary color concrete, the second primary color concrete and the third primary color concrete is shown in the following table.
Setting color First plain color concrete (share) Second element color concrete (share) Third component color concrete
Red wine 1 0 0
Yellow colour 0 1 0
Blue (B) 0 0 1
Orange 1 1
Purple pigment 1 0 1
Green 0 1 1
Red purple 2 0 1
Red orange 2 1 0
Blue-violet 1 0 2
Ash of 0 1 2
Yellow green 0 2 1
(yellow orange) 1 2 0
Specifically, the stirring speed of the common concrete in the first step, the second step or the third step is 30 revolutions per minute, the stirring time is 20 minutes, the pigment is stirred and mixed by an emulsifying machine, the stirring speed is 1000 revolutions per minute, and the stirring time is 5 minutes. The pigment in the pigment and the bletilla striata powder can be effectively and fully dispersed by adopting an emulsifying machine.
Specifically, the preparation method of the bletilla striata powder comprises the following steps: drying the whole bletilla striata grass until the water content is lower than thirty percent, then crushing and sieving the bletilla striata grass, wherein the mesh number of the sieve is 14 meshes. Bletilla striata can help various inorganic pigments to adhere to various inorganic substances, such as sand and stone surfaces.
The invention has the beneficial effects that: the concrete is firstly used as the ternary color, then a certain amount of ternary color concrete is selected according to the requirement for mixing, the color of the obtained mixture is necessarily closer to the design, and the great difference of the final color caused by adopting cement, sand and stone of different brands and the like when the concrete is prepared can be avoided.
Detailed Description
The following is further described in conjunction with the detailed description:
example 1
The pigment C40 common concrete comprises first primary color concrete, second primary color concrete and third primary color concrete;
wherein the first metachromatic concrete comprises 230 parts of cement, 160 parts of water, 830 parts of sand, 935 parts of broken stone, 120 parts of mineral powder, 8 parts of composite water reducing agent, 90 parts of sugar water, 50 parts of iron oxide red and 50 parts of bletilla striata water;
the second-element color mixed concrete comprises 230 parts of cement, 160 parts of water, 830 parts of sand, 935 parts of broken stone, 120 parts of mineral powder, 8 parts of composite water reducing agent, 90 parts of sugar water, 50 parts of lead-tin yellow and 50 parts of bletilla striata water;
the third-element color concrete comprises 230 parts of cement, 160 parts of water, 830 parts of sand, 935 parts of broken stone, 120 parts of mineral powder, 8 parts of a composite water reducing agent, 90 parts of sugar water, 50 parts of cobalt blue and 50 parts of bletilla striata water.
Specifically, the composite water reducing agent is a polycarboxylic acid water reducing agent.
Specifically, the sugar water is prepared by mixing soft white sugar and deionized water according to the weight ratio of 2: 1.
Specifically, the bletilla striata water is prepared by mixing bletilla striata powder and deionized water according to the weight part ratio of 1: 41.
A preparation method of pigment C40 ordinary concrete comprises the following steps:
preparing first metachromatic concrete, namely weighing 230 parts of cement, 160 parts of water, 830 parts of sand, 935 parts of broken stone, 120 parts of mineral powder and 8 parts of a composite water reducing agent; putting the concrete into a stirring tank and stirring to obtain common concrete; then weighing 90 parts of syrup, 50 parts of iron oxide red and 50 parts of bletilla striata water; placing the mixture into another stirring tank to be stirred to obtain a pigment; finally, stirring and mixing the pigment and the common concrete;
preparing second-element-color concrete, namely weighing 230 parts of cement, 160 parts of water, 830 parts of sand, 935 parts of crushed stone, 120 parts of mineral powder and 8 parts of composite water reducer; putting the concrete into a stirring tank and stirring to obtain common concrete; then weighing 90 parts of sugar water, 50 parts of lead-tin yellow and 50 parts of bletilla striata water; placing the mixture into another stirring tank to be stirred to obtain a pigment; finally, stirring and mixing the pigment and the common concrete;
step three, preparing third-element-color concrete, namely weighing 230 parts of cement, 160 parts of water, 830 parts of sand, 935 parts of crushed stone, 120 parts of mineral powder and 8 parts of composite water reducing agent; putting the concrete into a stirring tank and stirring to obtain common concrete; then weighing 90 parts of sugar water, 50 parts of cobalt blue and 50 parts of bletilla striata water; placing the mixture into another stirring tank to be stirred to obtain a pigment; finally, stirring and mixing the pigment and the common concrete;
fourthly, the pigment concrete can be obtained by selecting the parts of the first primary color concrete, the second primary color concrete and the third primary color concrete according to the set colors and stirring and mixing the selected parts in the first 20 minutes before use; and comparing the pigment concrete with the set color, and if the pigment concrete has the difference, further finely adjusting according to a pigment ternary color mixing method.
The relationship between the set color and the parts of the first primary color concrete, the second primary color concrete and the third primary color concrete is shown in the following table.
Figure BDA0002544072160000031
Figure BDA0002544072160000041
Specifically, the stirring speed of the common concrete in the first step, the second step or the third step is 30 revolutions per minute, the stirring time is 20 minutes, the pigment is stirred and mixed by an emulsifying machine, the stirring speed is 1000 revolutions per minute, and the stirring time is 5 minutes. The pigment in the pigment and the bletilla striata powder can be effectively and fully dispersed by adopting an emulsifying machine.
Specifically, the preparation method of the bletilla striata powder comprises the following steps: drying the whole bletilla striata grass until the water content is lower than thirty percent, then crushing and sieving the bletilla striata grass, wherein the mesh number of the sieve is 14 meshes. Bletilla striata can help various inorganic pigments to adhere to various inorganic substances, such as sand and stone surfaces.
Comparison of experiments
Experiments show that two types of cement with the same type are adopted as experimental cement (sea snail cement 325 and peltate cement 325 respectively), river sand of two production places is selected as experimental sand (cloud floating river sand and Yihe river sand respectively), other materials (broken stone, mineral powder and a composite water reducing agent) are completely the same, and then the color difference existing between pigment concretes obtained by the traditional method and the color difference between the pigment concretes obtained by the method are tested.
Contrast item Traditional pigment concrete The invention
Color difference value Delta E 10.5 5.0
Experiments prove that when the pigment concrete is prepared from raw materials produced by different manufacturers, the color of the finished product is more consistent.
The foregoing embodiments and description have been presented only to illustrate the principles and preferred embodiments of the invention, and various changes and modifications may be made therein without departing from the spirit and scope of the invention as hereinafter claimed.

Claims (7)

1. The pigment C40 ordinary concrete is characterized by comprising first primary color concrete, second primary color concrete and third primary color concrete;
wherein the first primary color concrete comprises 240 parts of 230-containing cement, 170 parts of 160-containing water, 840 parts of 830-containing sand, 955 parts of gravel, 130 parts of 120-containing mineral powder, 8-10 parts of composite water reducer, 90-95 parts of sugar water, 50-60 parts of iron oxide red and 50-60 parts of bletilla striata water;
wherein the second-element color mixed concrete comprises 240 parts of 230-containing cement, 170 parts of 160-containing water, 840 parts of 830-containing sand, 955 parts of gravel, 130 parts of 120-containing mineral powder, 8-10 parts of composite water reducer, 90-95 parts of sugar water, 50-60 parts of lead-tin yellow and 50-60 parts of bletilla striata water;
wherein the third-element color mixed concrete comprises 240 parts of 230-containing cement, 170 parts of 160-containing water, 840 parts of 830-containing sand, 955 parts of gravel, 130 parts of 120-containing mineral powder, 8-10 parts of composite water reducing agent, 90-95 parts of sugar water, 50-60 parts of cobalt blue and 50-60 parts of bletilla striata water.
2. Pigment C40 ordinary concrete according to claim 1, characterized in that: the composite water reducing agent is a polycarboxylic acid water reducing agent.
3. Pigment C40 ordinary concrete according to claim 1, characterized in that: the sugar water is prepared by mixing soft white sugar and deionized water according to the weight part ratio of 2: 1.
4. Pigment C40 ordinary concrete according to claim 1, characterized in that: the bletilla striata water is prepared by mixing bletilla striata powder and deionized water according to the weight part ratio of 1: 41.
5. The preparation method of the pigment C40 ordinary concrete is characterized by comprising the following steps:
step one, preparing first primary color concrete, weighing 230-240 parts of cement, 160-170 parts of water, 830-840 parts of sand, 935-955 parts of gravel, 120-130 parts of mineral powder and 8-10 parts of a composite water reducing agent; putting the concrete into a stirring tank and stirring to obtain common concrete; then weighing 90-95 parts of sugar water, 50-60 parts of iron oxide red and 50-60 parts of bletilla striata water; placing the mixture into another stirring tank to be stirred to obtain a pigment; finally, stirring and mixing the pigment and the common concrete;
step two, preparing second binary color concrete, weighing 230-240 parts of cement, 160-170 parts of water, 830-840 parts of sand, 935-955 parts of gravel, 120-130 parts of mineral powder and 8-10 parts of a composite water reducing agent; putting the concrete into a stirring tank and stirring to obtain common concrete; then weighing 90-95 parts of sugar water, 50-60 parts of lead tin yellow and 50-60 parts of bletilla striata water; placing the mixture into another stirring tank to be stirred to obtain a pigment; finally, stirring and mixing the pigment and the common concrete;
step three, preparing third element color concrete, weighing 230-240 parts of cement, 160-170 parts of water, 830-840 parts of sand, 935-955 parts of gravel, 120-130 parts of mineral powder and 8-10 parts of a composite water reducing agent; putting the concrete into a stirring tank and stirring to obtain common concrete; then weighing 90-95 parts of sugar water, 50-60 parts of cobalt blue and 50-60 parts of bletilla striata water; placing the mixture into another stirring tank to be stirred to obtain a pigment; finally, stirring and mixing the pigment and the common concrete;
fourthly, the pigment concrete can be obtained by selecting the parts of the first primary color concrete, the second primary color concrete and the third primary color concrete according to the set colors and stirring and mixing the selected parts in the first 20 minutes before use; and comparing the pigment concrete with the set color, and if the pigment concrete has the difference, further finely adjusting according to a pigment ternary color mixing method.
6. The method for preparing pigment C40 ordinary concrete according to claim 5, wherein the concrete is prepared by the following steps: and C, stirring the common concrete in the first step, the second step or the third step at a stirring speed of 30 revolutions per minute for 20 minutes, and stirring the pigment by using an emulsifying machine at a stirring speed of 1000 revolutions per minute for 5 minutes.
7. The method for preparing pigment C40 ordinary concrete according to claim 5, wherein the concrete is prepared by the following steps: the preparation method of the bletilla striata powder comprises the following steps: drying the whole bletilla striata grass until the water content is lower than thirty percent, then crushing and sieving the bletilla striata grass, wherein the mesh number of the sieve is 14 meshes.
CN202010555273.8A 2020-06-17 2020-06-17 Pigment C40 ordinary concrete and preparation method thereof Pending CN113800827A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202010555273.8A CN113800827A (en) 2020-06-17 2020-06-17 Pigment C40 ordinary concrete and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202010555273.8A CN113800827A (en) 2020-06-17 2020-06-17 Pigment C40 ordinary concrete and preparation method thereof

Publications (1)

Publication Number Publication Date
CN113800827A true CN113800827A (en) 2021-12-17

Family

ID=78943222

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202010555273.8A Pending CN113800827A (en) 2020-06-17 2020-06-17 Pigment C40 ordinary concrete and preparation method thereof

Country Status (1)

Country Link
CN (1) CN113800827A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115219033A (en) * 2022-07-18 2022-10-21 旭密林绿色建筑科技有限公司 Method for determining color of colored concrete

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1183393A (en) * 1997-11-08 1998-06-03 孙田成 Formulation of color brick for art
KR100902937B1 (en) * 2009-03-11 2009-06-15 박이근 Method for constructing concrete using cement concrete composite having iron oxide pigment
KR20110061778A (en) * 2009-12-02 2011-06-10 한일 주식회사 Method for manufacturing concrete block
CN103058597A (en) * 2013-01-08 2013-04-24 黄清林 Material for manufacturing wood color self-compacting concrete
CN108996969A (en) * 2018-09-07 2018-12-14 上海建工材料工程有限公司 A kind of white self-compaction clear water C40 pump concrete

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1183393A (en) * 1997-11-08 1998-06-03 孙田成 Formulation of color brick for art
KR100902937B1 (en) * 2009-03-11 2009-06-15 박이근 Method for constructing concrete using cement concrete composite having iron oxide pigment
KR20110061778A (en) * 2009-12-02 2011-06-10 한일 주식회사 Method for manufacturing concrete block
CN103058597A (en) * 2013-01-08 2013-04-24 黄清林 Material for manufacturing wood color self-compacting concrete
CN108996969A (en) * 2018-09-07 2018-12-14 上海建工材料工程有限公司 A kind of white self-compaction clear water C40 pump concrete

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
李继业等: "《道路工程常用混凝土实用技术手册》", 31 August 2008, 中国建材工业出版社 *
郑兴我: "《陶瓷绘画技法》", 30 September 2016, 中国轻工业出版社 *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115219033A (en) * 2022-07-18 2022-10-21 旭密林绿色建筑科技有限公司 Method for determining color of colored concrete
CN115219033B (en) * 2022-07-18 2023-12-22 旭密林绿色建筑科技有限公司 Method for determining color of colored concrete

Similar Documents

Publication Publication Date Title
CN111205064A (en) Building cup firing process
CN102241495B (en) Ultrafine mixed sand concrete by using additive
CN102528919B (en) Material distribution technological method for producing quartz stone checkered plates
CN110845196A (en) High-strength inorganic artificial stone and manufacturing method thereof
CN104387090B (en) A kind of slurry for ferrite powder mist projection granulating and preparation method thereof
CN113800827A (en) Pigment C40 ordinary concrete and preparation method thereof
CN106673557A (en) Colored concrete as well as preparation method and application method thereof
EP3577088B1 (en) Improved inorganic pigment-containing cement-based product and method for its preparation
CN105503082A (en) Color concrete and preparation method thereof
CN1607229A (en) Technology for producing external-wall latex paint capable of reproducing international color 1514 (green yellow)
CN106495616A (en) A kind of high-strength water-base epoxy colour self-leveling cement
CN115010403A (en) Waterborne polyurethane floating colored sand self-leveling mortar and preparation process thereof
CN111484292A (en) Colored ultrahigh-performance concrete and preparation method thereof
CN113683992A (en) Weather-resistant texture seam beautifying agent and preparation method thereof
CN110002801A (en) A kind of geo-polymer cracking resistance artificial stone and preparation method thereof
CN102351464B (en) Nanometer calcium carbonate paint and production process
CN103660425A (en) Preparation method of high-strength non-fading imitation wood plank
CN113416018B (en) Ultraviolet-resistant plate and manufacturing method and application thereof
CN101654346A (en) Preparation method of noctilucent sand stone
DE2030089A1 (en) Oil well cementing mix and method of making the same
CN102093014A (en) Natural color-separating concrete using inorganic additives
CN114057442A (en) Masonry mortar capable of being pneumatically conveyed
CN113603445B (en) Composite building decorative surface sheet and preparation method thereof
CN109942241A (en) A kind of color concrete and preparation method thereof
CN104356746A (en) Wear-resistant printing ink for plastic and glass

Legal Events

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

Application publication date: 20211217

RJ01 Rejection of invention patent application after publication