CN105013252A - Coating and application of coating in air filtration - Google Patents

Coating and application of coating in air filtration Download PDF

Info

Publication number
CN105013252A
CN105013252A CN201410153741.3A CN201410153741A CN105013252A CN 105013252 A CN105013252 A CN 105013252A CN 201410153741 A CN201410153741 A CN 201410153741A CN 105013252 A CN105013252 A CN 105013252A
Authority
CN
China
Prior art keywords
coating
airfiltering
air
weight portion
component
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.)
Granted
Application number
CN201410153741.3A
Other languages
Chinese (zh)
Other versions
CN105013252B (en
Inventor
程德民
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.)
Xiantao Dingcheng non woven products Co.,Ltd.
Original Assignee
Mount Huang Urban Oasis Air Cleaner Science And Technology 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 Mount Huang Urban Oasis Air Cleaner Science And Technology Ltd filed Critical Mount Huang Urban Oasis Air Cleaner Science And Technology Ltd
Priority to CN201410153741.3A priority Critical patent/CN105013252B/en
Publication of CN105013252A publication Critical patent/CN105013252A/en
Application granted granted Critical
Publication of CN105013252B publication Critical patent/CN105013252B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

A coating and an application of the coating in air filtration relate to an application of a coating in air filtration. According to the application of the coating in air filtration, the surface of an air channel of an air filter is coated with the coating. The coating contains the following ingredients, by weight, 0.005-0.027 parts of xanthan gum, 0.004-0.016 part of tamarind gum and 1-2 parts of water. Based on a proper ratio of xanthan gum to tamarind gum in edible gum and under the guidance of solving technical problems in the using process, technical problems are solved one by one so as to obtain the coating used for air filtration. Under the historical background of smog invasion, the coating provided by the invention is applied in air filtration, can be used in daily domestic life, for production activity and in travelling for a long time, and has a remarkable effect of relieving the harm of smog to the human body.

Description

A kind of coating and the application in air filtration thereof
Technical field
The present invention relates to air filtration technical field, be specifically related to a kind of coating and the application in air filtration thereof.
Background technology
For the pollution sources mainly filtered out in air of air filtration technology, and pollution sources mainly refer to micronic dust and the large class of bacterium two.The general pollution sources filtered out by air cleaner in the air of indoor certain space environment; The pollution sources in the air entering nasal cavity and lung are filtered by mouth mask, breathing mask.Current air filtration technology mainly adopts filter separation method: by arranging the filter of different performance, the outstanding dust particle in removing air and microorganism, also namely dust particle trapping is retained down by filtrate, to ensure the purity requirements sending into air quantity.Its filtrate used is the fiber of thinner diameter, and air-flow can be made to pass through smoothly, also can trap debris particle effectively.
The effect of the filter course trap particles of filter mainly contains 5 kinds:
1. tackle effect: when the Particles Moving of a certain particle diameter is near fiber surface, its center line is less than particle radius to the distance of fiber surface, and dust particle will be tackled by filter media fibre and deposit.
2. the inertia effect: when particle mass is comparatively large or speed is larger, collides due to inertia and deposit at fiber surface.
3. diffusion effect: the particle Brownian movement of small particle diameter collides more by force and easily on fiber surface.
4. gravitational effect: when particulate is by fibrage, be deposited on fiber because of gravitational settling.
5. electrostatic effect: fiber or particle all may be electrically charged, produce the electrostatic effect attracting particulate, and are drawn onto on fiber surface by particle.
The research direction of current air filtration technology mainly on filtrating chip, and is mainly adsorbed micronic dust by the method for physics and is intercepted and captured microorganism etc.Chip is that chemical material is generally used on breathing mask.
Summary of the invention
The object of the invention is to solve current air cleaner absorption micronic dust and antibacterial effect not good, the problem that the adsorption took time is not grown.
It is as follows that the present invention solves the technical scheme that the above technical problem adopts:
The application of coating in air filtration.
Concrete, the application of coating in air filtration is a kind of coating of air duct surface coating at air cleaner.
Be applied in one in air filtration for airfiltering coating, comprise the component of following weight portion: xanthans, 0.005 ~ 0.027 part; Tamarind gum, 0.004 ~ 0.016 part; Water, 1 ~ 2 part.
Xanthans sends out liquor-saturated by carbohydrate through Xanthomonas campestris, the outer many pools of microorganism of born of the same parents of generation.Xanthans is a kind of important natural biological polysaccharide macro-molecular, nineteen fifty-two is separated by the northern research institute in Pi Ao Lille, United States Department of Agriculture Illinois and obtains Xanthomonas campestris pv. campestris, and makes cabbage extract be converted into the outer heteroglycan of water miscible acid born of the same parents and obtain.Xanthans can be dissolved in cold water and hot water, has high viscosity, and high acid and alkali resistance, salt characteristic, high heat-resistant stability, suspension and thixotropy etc., be often used as thickener, emulsifying agent, suspending agent and stabilizing agent etc.The molecular structure of xanthans is similar to cellulose, but the peculiar property of xanthans is the trisaccharide side chain be made up of mannose acetate, terminal mannosyl units and a glucuronate salt between the two that exists on a unit.Glucuronic acid on side chain and pyruvic acid group impart xanthans negative electrical charge, and its negative charge density increases with the increase of solution ph.As the one of large biological molecule adsorbent, xanthans also has the structural advantage of Adsorption of Heavy Metal Ions, and by many mechanism Adsorption of Heavy Metal Ions, and xanthans itself is biodegradable, is environmentally friendly sorbing material.The physics of xanthans uniqueness, chemical property have impelled it to be widely used in the every field such as daily-use chemical industry, medicine, oil recovery.
Tamarind gum is also called tamarind seed polysaccharide, and it is extraction and isolation a kind of neutral polysaccharide class material out from the endosperm of pulse family tamarind platymiscium seed, is easily scattered in cold water, and heating then forms sticky shape liquid, tamarind gum has good heat-resisting, acidproof, salt tolerant, resistance to freezing and thawing property, has stable, emulsification, thickening, condensation, water conservation, the effect of film forming, the toughness of its aqueous solution is comparatively strong, and the impacts such as viscosity acid and alkali class and salt are a kind of broad-spectrum edible glue.The basis of xanthans adds tamarind gum again and can improve the viscosity of solution and the hydrophily of dispersed particle and adsorption particle simultaneously.Can also ensure during low temperature in the winter time coating adhesion function and xanthans collaborative use and reach complementation.
Due to aerodynamic reasons, the finely ground particles in air and related microorganisms and bacterium are adhered to along with the coating on the surface of air collides air cleaner, receives.Thus reach the object of filtered air.
Find in an experiment, described for airfiltering coating, the pollution sources in absorbed air, in order to better absorption causes allergic, the virus of itch and bacterium.So preferred, also comprise the component of following weight portion: acetic acid chlorhexidine, 0.001 ~ 0.01 part, ethanol 0.02 ~ 0.2 part.Acetic acid chlorhexidine is extremely sensitive to some staphylococcus, Streptococcus mutans, streptococcus salivarius, Candida albicans, Escherichia coli, anaerobism bacterium acidi propionici; Responsive to the medium degree of bloodthirsty streptococcus, responsive to degree at the bottom of Proteus, pseudomonas, Kleb and gram-negative cocci.Acetic acid chlorhexidine is adsorbed on the permeability barrier of bacterial cytoplasm film, and cellular content is spilt, low concentration anti-bacteria, high concentration kill bacteria.
Find in an experiment, described for airfiltering coating, due to the long-time adsorption fouling source of coating, add moisture, proper temperature, generally within 2 ~ 3 weeks, there will be the phenomenon of mouldy corruption in use.Because employ in coating a large amount of organic matter Chinese medicine collagen and water in atmosphere extended stationary periods can cooperating microorganisms rotten, mouldy.So, preferably, also comprise the component of following weight portion: at least one of Sodium Benzoate, potassium sorbate, 0.001 ~ 0.005 part.Sodium Benzoate, potassium sorbate are all the anticorrisive agents of food-grade, long shelf-life, safety.
Find in an experiment, because under coating is exposed to the environment of air circulation for a long time, matrix easily becomes dry and hardens, and there will be water deficient, dry, the situation that absorption property is not good; Preferably, also comprise the component of following weight portion: glycerine, concentration are at least one of 70% sorbitol solution, propane diols, 2 ~ 3 parts.Glycerine, concentration are 70% sorbitol solution, propane diols is the performance utilizing its moisturizing.
In addition glycerine is colourless, and taste is sweet, clarification thick liquid, moisture can be absorbed from air, also can from air absorbing hydrogen sulphide, the gas such as hydrogen cyanide and sulfur dioxide.To with coal fire discharged gas, vehicle exhaust, and the gas of chemical industry discharge, have good effect to the absorption of wherein poisonous and harmful substance.
Sorbierite, can keep humidity in coating, can also pin fragrance, not easily volatilize rapidly, keeps effect of lasting fragrance, and can work in coordination with the effect that other NMFs reach the antifreeze lasting lasting of moisturizing.
Propane diols is the stable water imbibition liquid of a kind of colorless viscous, almost tasteless odorless, has freeze proof low temperature to congeal the constant effect of character, can ensure the effect that coating can normally work under cryogenic.
Find in an experiment, described for airfiltering coating, in order to better absorption causes allergic, the virus of itch and bacterium.Be more preferably, also comprise the component of following weight portion: pure natural sterilization Chinese medical extract, 0.1 ~ 0.2 part; Described pure natural sterilization Chinese medical extract be Herba Andrographitis, frutus cnidii, the fruit of summer cypress, golden cypress, kuh-seng, rhizome of chuanxiong, water by weight ratio be that 1 ~ 2:2 ~ 5:2 ~ 3:3 ~ 5:1 ~ 3:2 ~ 3:25 ~ 30 mixing is boiled and within 1 ~ 3 hour, removed the dregs of a decoction and obtain.Herba Andrographitis, frutus cnidii, the fruit of summer cypress, golden cypress, kuh-seng, rhizome of chuanxiong be all be applied to allergic, the Chinese patent drug of the symptoms such as itch, consults Traditional Chinese Medicine experts, and after adding this coating composition according to the liquid that the prescription of proportioning is obtained, perfectly can solve this problem, be of value to healthy to a certain extent.
Herba Andrographitis: another name Chun Lianqiuliu, andrographis paniculata, cubic lotus, annual herb plant, cold in nature, mildly bitter flavor, nontoxic, clearing heat and detoxicatingly has suppression and killing action to germs such as first streptococcus and other coccuses, pneumococcus, Leptospira, bacillary dysenterys.
Frutus cnidii: have another name called bigflower clinopodium herb, another name: cicely is the dry mature fruit of samphire, cnidium monnieri, warm in nature, eliminating dampness, and desinsection, to pathogenic microorganism, acarid; Harmful microbiology class, has killing action.
The fruit of summer cypress: in oblate spheroid shape pentagon, surface celadon or light brown peel off perianth, visible film quality pericarp, translucent, the flat avette long 1mm black of seed, the micro-hardship of gas, mildly bitter flavor, has certain suppression killing action to dermatophytes such as Trichophyton schoenleini (achorion), Du's big belly difficult to understand little gemma tinea bacterium, wool sample little gemma tinea bacterium.
Golden cypress: bitter cold in nature, extract obakunone, has anti-inflammation, clearing heat and detoxicating effect.
Kuh-seng: another name matrine, ground Chinese scholartree, how long on hillside, sand ground, Cao Po, have effect of heat-clearing, removing dampness and destroying parasites, its extract, matrine has active anticancer, inhibition tumor cell, has more effect of killing pests and suppressing bacteria.
Rhizome of chuanxiong: umbrella plant, rhizome is used as medicine, warm in nature, and the pungent effect having wind-expelling pain-stopping to invigorate blood circulation of taste, rhizome of chuanxiong extract has effect of good Pesticidal and sterilizing.
This Six-element comprehensive has the Chinese medical extract of different antibacterial, sterilizing pesticide; Add in matrix complementary; Effect of pure natural sterilization is reached with it.
Finally, for making product have better use sense to be subject to, preferably, the component of following weight portion is also comprised: water soluble flavours, 0.01 ~ 0.1 part.
Xanthans, tamarind gum, water first mix by the described preparation method for airfiltering coating, then are mixed by all the other each described components.Being also noted that when adding acetic acid chlorhexidine, mixing again after now acetic acid chlorhexidine being dissolved in ethanol.
Inventor is after infection flu, and nose is felt bad, the absorption that nasal mucus plays in nose and the inspiration that filtration obtains, prepare a kind of coating of adsorbing molecule and bacterium the same as nose mucus, pass through to upfitter, painter uses, and finds out final product by feeding back and testing again.
The invention has the beneficial effects as follows, obtain based on a kind of coating with adsorptivity by the appropriate proportioning of the xanthans in edible glue and tamarind gum, adding the technical problem solved in use procedure is guiding, by solving technical problem one by one, obtain described for airfiltering coating.Under the historical background that haze is attacked, by this coatings applications in air filtration, in daily household, can use for a long time in activity in production and trip, have remarkable effect to the injury of alleviation haze to human body.
Detailed description of the invention
The following stated is used for the preparation method of airfiltering coating for be mixed by each described component.
Embodiment 1 one kinds is for airfiltering coating
A kind of for airfiltering coating, comprise the component of following weight portion:
Described pure natural sterilization Chinese medical extract be Herba Andrographitis, frutus cnidii, the fruit of summer cypress, golden cypress, kuh-seng, rhizome of chuanxiong, water by weight ratio be that 1 ~ 2:2 ~ 5:2 ~ 3:3 ~ 5:1 ~ 3:2 ~ 3:25 ~ 30 mixing is boiled and within 1 ~ 3 hour, removed the dregs of a decoction and obtain.
Embodiment 2 one kinds is for airfiltering coating
A kind of for airfiltering coating, comprise the component of following weight portion:
Described pure natural sterilization Chinese medical extract be Herba Andrographitis, frutus cnidii, the fruit of summer cypress, golden cypress, kuh-seng, rhizome of chuanxiong, water by weight ratio be that 1 ~ 2:2 ~ 5:2 ~ 3:3 ~ 5:1 ~ 3:2 ~ 3:25 ~ 30 mixing is boiled and within 1 ~ 3 hour, removed the dregs of a decoction and obtain.
Wood santal water soluble flavours 0.01kg
Embodiment 3 one kinds is for airfiltering coating
A kind of for airfiltering coating, comprise the component of following weight portion:
Described pure natural sterilization Chinese medical extract be Herba Andrographitis, frutus cnidii, the fruit of summer cypress, golden cypress, kuh-seng, rhizome of chuanxiong, water by weight ratio be that 1 ~ 2:2 ~ 5:2 ~ 3:3 ~ 5:1 ~ 3:2 ~ 3:25 ~ 30 mixing is boiled and within 1 ~ 3 hour, removed the dregs of a decoction and obtain.
Green tea water soluble flavours 0.01kg
Embodiment 4 one kinds is for airfiltering coating
A kind of for airfiltering coating, comprise the component of following weight portion:
Described pure natural sterilization Chinese medical extract be Herba Andrographitis, frutus cnidii, the fruit of summer cypress, golden cypress, kuh-seng, rhizome of chuanxiong, water by weight ratio be that 1 ~ 2:2 ~ 5:2 ~ 3:3 ~ 5:1 ~ 3:2 ~ 3:25 ~ 30 mixing is boiled and within 1 ~ 3 hour, removed the dregs of a decoction and obtain.
Wood agalloch eaglewood water soluble flavours 0.01kg
Embodiment 5 one kinds of usings method for airfiltering coating
By the coatings applications of the arbitrary preparation described in above-described embodiment 1 ~ 4 in a kind of air cleanness filter (Chinese Patent Application No.: 2013206966134), comprise housing, housing is provided with air intlet and air outlet slit, in described housing, is at least provided with one deck bamboo-carbon fibre filter course; Described bamboo-carbon fibre filter course comprises fiber cloth and is fixed on the bamboo-carbon fibre in fiber cloth, and described bamboo-carbon fibre is along air inflow direction Heterogeneous Permutation.Described bamboo-carbon fibre filter course is provided with three layers, and every one deck is provided with an outlet and is communicated with lower one deck, and air enters next layer after the bamboo-carbon fibre of every one deck filters.The length of described first, second layer of bamboo-carbon fibre is 1mm, and diameter is 0.2mm.The length of described third layer bamboo-carbon fibre is 1mm, and diameter is 0.1mm.Described every layer of bamboo-carbon fibre filter course is provided with 15 ~ 20 row's bamboo-carbon fibres, often arranges bamboo-carbon fibre Heterogeneous Permutation.Described air intlet is arranged down.
In use procedure, the liquid of described coating is slowly imported described air cleanness filter, make air cleaner inner surface even spread one deck coating.
Embodiment 6 one kinds of usings method for airfiltering coating
At family expenses, supermarket, on the large-scale air filter of factory, is uniformly coated on the air duct inner surface of air cleaner by the coating brush of the arbitrary preparation described in above-described embodiment 1 ~ 4.
Embodiment 7 one kinds of usings method for airfiltering coating
When the mouth mask of breathing mask form is applied, position mouth mask front end can being given prominence to filtered air is contaminated in the coating mucus of the arbitrary preparation described in embodiment 1 ~ 4, is then suspended from air duct ventilation, if stuffiness can re-use with after pricking object conducting.
Above embodiment, the just citing of concrete formula of the present invention and using method, do not affect design of the present invention protection and protection domain.

Claims (8)

1. the application of coating in air filtration.
2. the application of coating in air filtration as claimed in claim 1 is a kind of coating of air duct surface coating at air cleaner.
3. as claimed in claim 1 a kind of for airfiltering coating, comprise the component of following weight portion: xanthans, 0.005 ~ 0.027 part; Tamarind gum, 0.004 ~ 0.016 part; Water, 1 ~ 2 part.
4. as claimed in claim 3 for airfiltering coating, it is characterized in that: the component also comprising following weight portion: acetic acid chlorhexidine, 0.001 ~ 0.01 part, ethanol 0.02 ~ 0.2 part.
5. as claimed in claim 3 for airfiltering coating, it is characterized in that: the component also comprising following weight portion: at least one of Sodium Benzoate, potassium sorbate, 0.001 ~ 0.005 part.
6. as claimed in claim 3 for airfiltering coating, it is characterized in that: the component also comprising following weight portion: glycerine, concentration are at least one of 70% sorbitol solution, propane diols, 2 ~ 3 parts.
7. as claimed in claim 3 for airfiltering coating, it is characterized in that: the component also comprising following weight portion: pure natural sterilization Chinese medical extract, 0.1 ~ 0.2 part; Described pure natural sterilization Chinese medical extract be Herba Andrographitis, frutus cnidii, the fruit of summer cypress, golden cypress, kuh-seng, rhizome of chuanxiong, water by weight ratio be that 1 ~ 2:2 ~ 5:2 ~ 3:3 ~ 5:1 ~ 3:2 ~ 3:25 ~ 30 mixing is boiled and within 1 ~ 3 hour, removed the dregs of a decoction and obtain.
8. as claimed in claim 3 for airfiltering coating, it is characterized in that: the component also comprising following weight portion: water soluble flavours, 0.01 ~ 0.1 part.
CN201410153741.3A 2014-04-16 2014-04-16 A kind of coating and the application in air filtration thereof Active CN105013252B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410153741.3A CN105013252B (en) 2014-04-16 2014-04-16 A kind of coating and the application in air filtration thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410153741.3A CN105013252B (en) 2014-04-16 2014-04-16 A kind of coating and the application in air filtration thereof

Publications (2)

Publication Number Publication Date
CN105013252A true CN105013252A (en) 2015-11-04
CN105013252B CN105013252B (en) 2016-08-24

Family

ID=54403770

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201410153741.3A Active CN105013252B (en) 2014-04-16 2014-04-16 A kind of coating and the application in air filtration thereof

Country Status (1)

Country Link
CN (1) CN105013252B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1365832A (en) * 2001-12-07 2002-08-28 甄达文 Antibacterial deodouring refresh for air and its preparing process
CN1427937A (en) * 2000-03-29 2003-07-02 新药研究(澳大利亚)有限公司 Biostatic filter
CN101084167A (en) * 2004-10-21 2007-12-05 法国圣戈班韦特罗特斯有限公司 Lubricated electrically conductive glass fibers
US20080026025A1 (en) * 2006-07-26 2008-01-31 Water Visions International, Inc. Broad spectrum antimicrobial purification materials and methods for purifying fluids
CN102794051A (en) * 2011-05-25 2012-11-28 东丽纤维研究所(中国)有限公司 Air filtration material and application thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1427937A (en) * 2000-03-29 2003-07-02 新药研究(澳大利亚)有限公司 Biostatic filter
CN1365832A (en) * 2001-12-07 2002-08-28 甄达文 Antibacterial deodouring refresh for air and its preparing process
CN101084167A (en) * 2004-10-21 2007-12-05 法国圣戈班韦特罗特斯有限公司 Lubricated electrically conductive glass fibers
US20080026025A1 (en) * 2006-07-26 2008-01-31 Water Visions International, Inc. Broad spectrum antimicrobial purification materials and methods for purifying fluids
CN102794051A (en) * 2011-05-25 2012-11-28 东丽纤维研究所(中国)有限公司 Air filtration material and application thereof

Also Published As

Publication number Publication date
CN105013252B (en) 2016-08-24

Similar Documents

Publication Publication Date Title
CN104381343B (en) Water-soluble compound antibacterial agent and preparation method thereof
US9433637B2 (en) Method for inhibiting influenza virus infection
CN101485331A (en) Nano silver disinfectant
CN104094977A (en) Composition with insect-expelling sterilization disinfection effects and application thereof
CN101716362B (en) Bactericidal disinfectant material containing chlorine dioxide, and application thereof
CN106511133A (en) Essential oil nanoparticles and preparation method thereof as well as application of essential oil nanoparticles to preparation of mosquito-repelling product
CN108743702A (en) A kind of anti-haze poison spray and preparation method thereof
CN104606701A (en) Air refreshing deodorant capable of releasing element negative ions
CN102696700B (en) Chinese herbal medicine mosquito and fly killing agent
KR20150034014A (en) Antimicrobial composition comprising ginseng extract and green tea extract, antimicrobial filter and method for manufacturing the same
CN106490076A (en) A kind of Farm chemical of Chinese berbs of preventing and treating grain storage pest and preparation method thereof
CN109504566B (en) Preparation and extraction method of bacteriostatic seaweed and grass health-care handmade soap
CN110965358A (en) Negative oxygen ion mask processing technology
KR100789556B1 (en) Composition having antimicroorganism performance, a filter for indoor air quality applying the same and manufacturing method thereof
CN103561824A (en) Use of a reticulated dextran polymer as a filter against the inhalation of substances injurious to the health
CN103977095B (en) A kind of Rhizoma Coptidis extract and nano-silver bacteriostatic composition suppressing micrococcus luteus
CN107174949A (en) A kind of indoor air purification compound formulation and preparation method thereof
CN103815587B (en) A kind ofly harmful fine particulates is effectively stoped in air to suck and mouth mask with bacteriostasis and preparation method thereof
CN105013252A (en) Coating and application of coating in air filtration
CN106635415A (en) Fly-repelling vegetable essential oil and preparation method and application thereof
US11389500B2 (en) Liquid invisible mask with broad-spectrum bacteriostasis and preparation method and using method thereof
CN107455397A (en) A kind of air purifying and sterilizing liquid
CN112586516A (en) Pollution-free strawberry insecticide and preparation method thereof
CN112006042A (en) Traditional Chinese medicine composition for disinfection, traditional Chinese medicine preparation, preparation method and application
CN111265580A (en) Composition containing grapefruit seed extract, preparation method and application thereof

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C14 Grant of patent or utility model
GR01 Patent grant
TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20200108

Address after: 102600 Unit 403, Unit 1, 15th Floor, Changfengyuan, Huangcun Town, Daxing District, Beijing

Patentee after: Du Lihong

Address before: 245061 North Industrial Zone, Huizhou District, Anhui District, Huangshan City province (intersection of Yingbin Road and two ring road)

Patentee before: Mount Huang Urban Oasis air cleaner Science and Technology Ltd.

CP02 Change in the address of a patent holder
CP02 Change in the address of a patent holder

Address after: 241000 economic and Technological Development Zone Phase II, Nanling County, Wuhu City, Anhui Province

Patentee after: Du Lihong

Address before: 102600 Unit 403, Unit 1, 15th Floor, Changfengyuan, Huangcun Town, Daxing District, Beijing

Patentee before: Du Lihong

TR01 Transfer of patent right
TR01 Transfer of patent right

Effective date of registration: 20201222

Address after: 433000 Liukou Industrial Park, Xiantao City, Hubei Province

Patentee after: Xiantao Dingcheng non woven products Co.,Ltd.

Address before: 241000 phase II of Nanling economic and Technological Development Zone, Wuhu City, Anhui Province

Patentee before: Du Lihong