CN105724453A - Environment-friendly antibacterial agent and preparation method thereof - Google Patents

Environment-friendly antibacterial agent and preparation method thereof Download PDF

Info

Publication number
CN105724453A
CN105724453A CN201610138392.7A CN201610138392A CN105724453A CN 105724453 A CN105724453 A CN 105724453A CN 201610138392 A CN201610138392 A CN 201610138392A CN 105724453 A CN105724453 A CN 105724453A
Authority
CN
China
Prior art keywords
environmental protection
peel
solution
protection antibacterial
antibacterial agent
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
CN201610138392.7A
Other languages
Chinese (zh)
Inventor
金碧
倪旭武
林汉阳
李明仁
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.)
Xiamen Filtertech Industrial Corp
Original Assignee
Xiamen Runner Industrial Corp
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 Xiamen Runner Industrial Corp filed Critical Xiamen Runner Industrial Corp
Priority to CN201610138392.7A priority Critical patent/CN105724453A/en
Publication of CN105724453A publication Critical patent/CN105724453A/en
Pending legal-status Critical Current

Links

Classifications

    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • AHUMAN NECESSITIES
    • A01AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01NPRESERVATION OF BODIES OF HUMANS OR ANIMALS OR PLANTS OR PARTS THEREOF; BIOCIDES, e.g. AS DISINFECTANTS, AS PESTICIDES OR AS HERBICIDES; PEST REPELLANTS OR ATTRACTANTS; PLANT GROWTH REGULATORS
    • A01N65/00Biocides, pest repellants or attractants, or plant growth regulators containing material from algae, lichens, bryophyta, multi-cellular fungi or plants, or extracts thereof
    • A01N65/08Magnoliopsida [dicotyledons]
    • A01N65/36Rutaceae [Rue family], e.g. lime, orange, lemon, corktree or pricklyash

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • General Health & Medical Sciences (AREA)
  • Microbiology (AREA)
  • Agronomy & Crop Science (AREA)
  • Biotechnology (AREA)
  • Natural Medicines & Medicinal Plants (AREA)
  • Mycology (AREA)
  • Plant Pathology (AREA)
  • Dentistry (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Environmental Sciences (AREA)
  • Botany (AREA)
  • Agricultural Chemicals And Associated Chemicals (AREA)

Abstract

The invention discloses an environment-friendly antibacterial agent. The environment-friendly antibacterial agent comprises, by weight, 20-50 parts of pericarp, 40-50 parts of plant-based raw material and 0.2-1 part of crosslinking agent, wherein the crosslinking agent is calcium chloride and magnesium chloride. The invention further discloses a preparation method of the environment-friendly antibacterial agent. The environment-friendly antibacterial agent prepared by the method is efficient, nontoxic, quick in action, wide in spectrum, high in stability, and the like.

Description

A kind of environmental protection antibacterial and preparation method
Technical field
The present invention relates to water-treatment technology field, refer in particular to a kind of environmental protection antibacterial and preparation method.
Background technology
In prior art, conventional water treatment biocide mainly has two classes, oxidative bactericide and non-oxidative bactericide.Wherein oxidative bactericide is typically all stronger oxidant, such as liquid chlorine, hypochlorite, chlorinated isocyanurates, bromo glycolylurea and chlorine dioxide etc..Have a disadvantage in that: the microorganism that this series bactericidal agent can make some and metabolism in microorganism have the enzyme of substantial connection that oxidation occurs and kill in water body, also water-supply pipeline can be caused certain corrosiveness while the quick killing microorganisms of stronger oxidisability, if dosage exceeds standard, arrive running water pipe Terminal water oxidizer residual too much, certain infringement can be caused to resident is healthy.
Non-oxidative bactericide is generally synthetics, such as chlorophenols, organosulfur compound, isothiazolone and glutaraldehyde etc..Have a disadvantage in that: the mechanism of action of this series bactericidal agent is to destroy the duplication of microprotein by chemical action and reach bactericidal effect.If this series bactericidal agent content exceeds standard also can affect the protein of human body, health be will also result in bigger harm.
In view of this, the present invention proposes a kind of environmental protection antibacterial overcoming described defect and preparation method, and this case thus produces.
Summary of the invention
It is an object of the invention to provide a kind of efficient, nontoxic, quick-acting, environmental protection antibacterial that wide spectrum, stability are strong and preparation method, it is adaptable in water purification field.
For reaching above-mentioned purpose, the solution of the present invention is:
A kind of environmental protection antibacterial, is formed by following components: peel 20-50 part, plant base raw material 40-50 part, cross-linking agent 0.2-1 part by weight ratio, and cross-linking agent is calcium chloride and magnesium chloride.
Further, described peel is the one in peel of Citrus reticulata Blanco or Fericarpium Citri Limoniae, or both any proportioning mixing.
Further, described peel is Fericarpium Citri Limoniae.
Further, described plant base raw material is the one in Rhizoma Coptidis, Radix Glycyrrhizae, Radix Rumicis, Flos Lonicerae, Herba Artemisiae Annuae, Cortex Phellodendri or Folium Artemisiae Argyi, or both any of the above proportioning mixing.
Further, described cross-linking agent is calcium chloride and magnesium chloride powder 1:1 by weight ratio mixing.
A kind of environmental protection Antibacterial agent preparation method, comprises the following steps:
One, after plant base raw material rinsed clean, grind to form serosity;
Two, it is the ethanol solution of 34-70% by above-mentioned serosity addition mass concentration, 40-60oStir 3-6h under C, be filtrated to get extracting solution A;
Three, after peel rinsed clean, shred addition 0.1M HCl solution, peel and addition HCl 1:10 by weight ratio, 40-60oStir 1-2h under C, be filtered to remove filtering residue after reaction completely, obtain liquor B, be then sequentially added in liquor B mass concentration be the ethanol of 80-95%, mass concentration be the calcium chloride of 0.1-2% and magnesium chloride mixture solution and extracting solution A, 60-80oStir 2-4h under C and obtain colloid solution;
Four, by above-mentioned colloid solution through vacuum filtration, dry, obtain environmental protection antibacterial.
Further, described peel is the one in peel of Citrus reticulata Blanco or Fericarpium Citri Limoniae, or both any proportioning mixing.
Further, described peel is Fericarpium Citri Limoniae.
Further, described plant base raw material is the one in Rhizoma Coptidis, Radix Glycyrrhizae, Radix Rumicis, Flos Lonicerae, Herba Artemisiae Annuae, Cortex Phellodendri or Folium Artemisiae Argyi, or both any of the above proportioning mixing.
Further, described cross-linking agent is calcium chloride and magnesium chloride powder 1:1 by weight ratio mixing.
After using such scheme, environmental type antibacterial prepared by the present invention, there is the features such as efficient, nontoxic, quick-acting, wide spectrum and stability, be applied to water and process sterilization the most effectively sterilization and will not be detrimental to health.
Detailed description of the invention
Below in conjunction with specific embodiment, the present invention is described in detail.
Embodiment one
A kind of environmental protection Antibacterial agent preparation method, comprises the following steps:
One, after Folium Artemisiae Argyi rinsed clean, grind to form serosity;
Two, it is the ethanol solution of 40% by above-mentioned serosity addition mass concentration, 40oStir 3h under C, be filtrated to get extracting solution A;
Three, shred after orange peel rinsed clean, addition 0.1M HCl solution, peel and addition HCl 1:10 by weight ratio, 50oStir 1h under C, be filtered to remove filtering residue after reaction completely, obtain liquor B, in liquor B, be then sequentially added into ethanol that mass concentration is 80%, mass concentration be 0.1% calcium chloride and magnesium chloride mixture solution and extracting solution A, 60oStir 2h under C and obtain colloid solution;
Four, by above-mentioned colloid solution through vacuum filtration, dry, finally give environmental protection antibacterial.
The environmental protection antibacterial prepared by said method, is formed by weight ratio by following components: orange peel 40 parts, Folium Artemisiae Argyi 59.5 parts, calcium chloride and 0.5 part of magnesium chloride.
After tested: adding 0.5g environmental type antibacterial in 100ml concentration known staphylococcus aureus solution, stand 60min after rocking uniformly, after taking process, solution carries out microorganism culturing test (38oC 24h), antibiotic rate is 68.5%.
Embodiment two
A kind of environmental protection Antibacterial agent preparation method, comprises the following steps:
One, after Radix Rumicis rinsed clean, grind to form serosity;
Two, it is the ethanol solution of 45% by above-mentioned serosity addition mass concentration, 40oStir 4h under C, be filtrated to get extracting solution A;
Three, shred after Fericarpium Citri Limoniae rinsed clean, addition 0.1M HCl solution, peel and addition HCl 1:10 by weight ratio, 40oStir 2h under C, be filtered to remove filtering residue after reaction completely, obtain liquor B, in liquor B, be then sequentially added into ethanol that mass concentration is 85%, mass concentration be 0.1% calcium chloride and magnesium chloride mixture solution and extracting solution A, 60oStir 2h under C and obtain colloid solution;
Four, by above-mentioned colloid solution through vacuum filtration, dry, finally give environmental type antibacterial.
The environmental protection antibacterial prepared by said method, is formed by weight ratio by following components: Fericarpium Citri Limoniae 50 parts, Radix Rumicis 49.6 parts, calcium chloride and 0.4 part of magnesium chloride.
After tested: adding 0.5g environmental type antibacterial b in 100ml concentration known staphylococcus aureus solution, stand 60min after rocking uniformly, after taking process, solution carries out microorganism culturing test (38oC 24h), antibiotic rate is 82.7%.
Embodiment three
A kind of environmental protection Antibacterial agent preparation method, comprises the following steps:
One, after Folium Artemisiae Argyi and Radix Rumicis rinsed clean, grind to form serosity;
Two, it is the ethanol solution of 40% by above-mentioned serosity addition mass concentration, 40oStir 3h under C, be filtrated to get extracting solution A;
Three, shred after orange peel and Fericarpium Citri Limoniae rinsed clean, addition 0.1M HCl solution, peel and addition HCl 1:10 by weight ratio, 50oStir 1h under C, be filtered to remove filtering residue after reaction completely, obtain liquor B, in liquor B, be then sequentially added into ethanol that mass concentration is 80%, mass concentration be 0.1% calcium chloride and magnesium chloride mixture solution and extracting solution A, 60oStir 2h under C and obtain colloid solution;
Three, by above-mentioned colloid solution through vacuum filtration, dry, finally give environmental type antibacterial.
The environmental protection antibacterial prepared by said method, is formed by weight ratio by following components: Fericarpium Citri Limoniae 40 parts, orange peel 10 parts, Radix Rumicis 25 parts, Folium Artemisiae Argyi 24.3 parts, calcium chloride and 0.7 part of magnesium chloride.
After tested: adding 0.5g environmental type antibacterial in 100ml concentration known staphylococcus aureus solution, stand 60min after rocking uniformly, after taking process, solution carries out microorganism culturing test (38oC24h), antibiotic rate is 99.9%.
Embodiment four
A kind of environmental protection Antibacterial agent preparation method, comprises the following steps:
One, after Flos Lonicerae, Radix Glycyrrhizae and Folium Artemisiae Argyi rinsed clean, grind to form serosity;
Two, it is the ethanol solution of 40% by above-mentioned serosity addition mass concentration, 40oStir 3h under C, be filtrated to get extracting solution A;
Three, shred after orange peel and Fericarpium Citri Limoniae rinsed clean, addition 0.1M HCl solution, peel and addition HCl 1:10 by weight ratio, 60oStir 1h under C, be filtered to remove filtering residue after reaction completely, obtain liquor B, in liquor B, be then sequentially added into ethanol that mass concentration is 80%, mass concentration be 0.1% calcium chloride and magnesium chloride mixture solution and extracting solution A, 60oStir 2h under C and obtain colloid solution;
Four, by above-mentioned colloid solution through vacuum filtration, dry, finally give environmental type antibacterial.
The environmental protection antibacterial prepared by said method, is formed by weight ratio by following components: Fericarpium Citri Limoniae 20 parts, orange peel 25 parts, Flos Lonicerae 35 parts, 10 parts of Radix Glycyrrhizae, Folium Artemisiae Argyi 9 parts, calcium chloride and 1 part of magnesium chloride.
After tested: adding 0.5g environmental type antibacterial d in 100ml concentration known staphylococcus aureus solution, stand 60min after rocking uniformly, after taking process, solution carries out microorganism culturing test (38oC 24h), antibiotic rate is 99.9%.
Below for antibacterial effect of the present invention test tables of data: test condition: adding 0.5g antimicrobial component in 100ml concentration known staphylococcus aureus solution, stand 60min after rocking uniformly, after taking process, solution carries out microorganism culturing test (38oC 24h).
Upper described the preferred embodiments of the present invention that are only, not the restriction to this case design, all equivalent variations done according to the design key of this case, each fall within the protection domain of this case.

Claims (9)

1. an environmental protection antibacterial, it is characterised in that: being formed by weight ratio by following components: peel 20-50 part, plant base raw material 40-50 part, cross-linking agent 0.2-1 part, cross-linking agent is calcium chloride and magnesium chloride.
2. a kind of environmental protection antibacterial as claimed in claim 1, it is characterised in that: described peel is the one in peel of Citrus reticulata Blanco or Fericarpium Citri Limoniae, or both any proportioning mixing.
3. a kind of environmental protection antibacterial as claimed in claim 2, it is characterised in that: described peel is Fericarpium Citri Limoniae.
4. a kind of environmental protection antibacterial as claimed in claim 1, it is characterised in that: described plant base raw material is the one in Rhizoma Coptidis, Radix Glycyrrhizae, Radix Rumicis, Flos Lonicerae, Herba Artemisiae Annuae, Cortex Phellodendri or Folium Artemisiae Argyi, or both any of the above proportioning mixing.
5. a kind of environmental protection antibacterial as claimed in claim 1, it is characterised in that: described cross-linking agent is calcium chloride and magnesium chloride powder 1:1 by weight ratio mixing.
6. an environmental protection Antibacterial agent preparation method, it is characterised in that: comprise the following steps:
One, after plant base raw material rinsed clean, grind to form serosity;
Two, it is the ethanol solution of 34-70% by above-mentioned serosity addition mass concentration, 40-60oStir 3-6h under C, be filtrated to get extracting solution A;
Three, after peel rinsed clean, shred addition 0.1M HCl solution, peel and addition HCl 1:10 by weight ratio, 40-60oStir 1-2h under C, be filtered to remove filtering residue after reaction completely, obtain liquor B, be then sequentially added in liquor B mass concentration be the ethanol of 80-95%, mass concentration be the calcium chloride of 0.1-2% and magnesium chloride mixture solution and extracting solution A, 60-80oStir 2-4h under C and obtain colloid solution;
Four, by above-mentioned colloid solution through vacuum filtration, dry, obtain environmental protection antibacterial.
7. a kind of environmental protection Antibacterial agent preparation method as claimed in claim 6, it is characterised in that: described peel is the one in peel of Citrus reticulata Blanco or Fericarpium Citri Limoniae, or both any proportioning mixing.
8. a kind of environmental protection Antibacterial agent preparation method as claimed in claim 7, it is characterised in that: described peel is Fericarpium Citri Limoniae.
9. a kind of environmental protection Antibacterial agent preparation method as claimed in claim 6, it is characterised in that: described plant base raw material is the one in Rhizoma Coptidis, Radix Glycyrrhizae, Radix Rumicis, Flos Lonicerae, Herba Artemisiae Annuae, Cortex Phellodendri or Folium Artemisiae Argyi, or both any of the above proportioning mixing.
CN201610138392.7A 2016-03-11 2016-03-11 Environment-friendly antibacterial agent and preparation method thereof Pending CN105724453A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610138392.7A CN105724453A (en) 2016-03-11 2016-03-11 Environment-friendly antibacterial agent and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610138392.7A CN105724453A (en) 2016-03-11 2016-03-11 Environment-friendly antibacterial agent and preparation method thereof

Publications (1)

Publication Number Publication Date
CN105724453A true CN105724453A (en) 2016-07-06

Family

ID=56250346

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610138392.7A Pending CN105724453A (en) 2016-03-11 2016-03-11 Environment-friendly antibacterial agent and preparation method thereof

Country Status (1)

Country Link
CN (1) CN105724453A (en)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106865652A (en) * 2017-04-11 2017-06-20 安徽省明美矿物化工有限公司 A kind of concave convex rod water quality cleansing agent and preparation method
CN106927537A (en) * 2017-04-12 2017-07-07 明光市国星凹土有限公司 A kind of river course concave convex rod purification of water quality bag and preparation method
CN107141408A (en) * 2017-06-12 2017-09-08 厦门建霖健康家居股份有限公司 A kind of antibacterial polymer and preparation method thereof
CN107161489A (en) * 2017-06-21 2017-09-15 芜湖蓝天工程塑胶有限公司 Composite antibacterial makrolon crisper and preparation method thereof
CN108912356A (en) * 2018-06-06 2018-11-30 苏州先蚕丝绸有限公司 Anti-bacteria wet keeping degradation porous silk protein gel preservative film and preparation method and application
CN115110313A (en) * 2021-07-13 2022-09-27 南通帝沙纺织有限公司 Preparation method of whitening antibacterial finishing fabric and whitening antibacterial finishing fabric
CN117243348A (en) * 2023-09-08 2023-12-19 湖北薯芋产业技术研究院有限公司 Processing method of sweet potato stem tip prefabricated vegetable

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1613325A (en) * 2004-09-20 2005-05-11 南开大学 Natural lemon antiseptics and preparation thereof
CN101623010A (en) * 2009-08-03 2010-01-13 青岛星牌作物科学有限公司 Botanical fungicide synergistic agent, extracting technique and application thereof in agricultural fungicide
CN104188338A (en) * 2014-07-30 2014-12-10 严中明 Water purification device
CN104472603A (en) * 2014-12-24 2015-04-01 镇江市官塘生态农业有限公司 Natural water body bactericide and preparation method thereof

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1613325A (en) * 2004-09-20 2005-05-11 南开大学 Natural lemon antiseptics and preparation thereof
CN101623010A (en) * 2009-08-03 2010-01-13 青岛星牌作物科学有限公司 Botanical fungicide synergistic agent, extracting technique and application thereof in agricultural fungicide
CN104188338A (en) * 2014-07-30 2014-12-10 严中明 Water purification device
CN104472603A (en) * 2014-12-24 2015-04-01 镇江市官塘生态农业有限公司 Natural water body bactericide and preparation method thereof

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106865652A (en) * 2017-04-11 2017-06-20 安徽省明美矿物化工有限公司 A kind of concave convex rod water quality cleansing agent and preparation method
CN106927537A (en) * 2017-04-12 2017-07-07 明光市国星凹土有限公司 A kind of river course concave convex rod purification of water quality bag and preparation method
CN107141408A (en) * 2017-06-12 2017-09-08 厦门建霖健康家居股份有限公司 A kind of antibacterial polymer and preparation method thereof
CN107161489A (en) * 2017-06-21 2017-09-15 芜湖蓝天工程塑胶有限公司 Composite antibacterial makrolon crisper and preparation method thereof
CN108912356A (en) * 2018-06-06 2018-11-30 苏州先蚕丝绸有限公司 Anti-bacteria wet keeping degradation porous silk protein gel preservative film and preparation method and application
CN115110313A (en) * 2021-07-13 2022-09-27 南通帝沙纺织有限公司 Preparation method of whitening antibacterial finishing fabric and whitening antibacterial finishing fabric
CN117243348A (en) * 2023-09-08 2023-12-19 湖北薯芋产业技术研究院有限公司 Processing method of sweet potato stem tip prefabricated vegetable
CN117243348B (en) * 2023-09-08 2024-04-16 湖北薯芋产业技术研究院有限公司 Processing method of sweet potato stem tip prefabricated vegetable

Similar Documents

Publication Publication Date Title
CN105724453A (en) Environment-friendly antibacterial agent and preparation method thereof
US8492419B2 (en) Multifunctional solid formulations for water conditioning
CN106665700A (en) Botanical disinfection composition, disinfectant and preparation method thereof
CN103749564B (en) A kind of composite plant disinfectant and preparation method thereof
CN104906185A (en) Chinese herbal medicine essential oil microcapsule and preparation method and application thereof
Belge et al. Ayurvedic shodhana treatments and their applied aspect with special reference to loha
CN104288814A (en) Safe and practical air freshener
WO2018141074A1 (en) Method for removing milk residues, and composition of a cleaning tablet or of a cleaning powder
CN106798941A (en) A kind of chlorine dioxide disinfection liquid atomization disinfecting apparatus
CN105641726A (en) Herbal bathroom odor removing spraying agent and processing method thereof
CN104804900A (en) Universal fruit and vegetable washing salt composition and preparation method
CN107593720A (en) A kind of compound disinfecting tablet and preparation method thereof
CN106665673A (en) Wood preservative and preparation method thereof
Bhattacharjee et al. Disinfection of drinking water in rural area using natural herbs
KR20170130690A (en) Natural detergent composition and preparation method thereof
CN106696023A (en) Low-toxicity wood mould inhibitor and preparing method thereof
CN111602682A (en) Compound poultry house disinfectant and preparation method thereof
CN106818898A (en) A kind of family expenses clean vegetables bactericide and preparation method thereof
CN105767059A (en) Domestic botanical bactericide
CN205527914U (en) Feeder apparatus is thrown to no vapour soda water ozone
CN104971285A (en) Broad-spectrum anti-bacterial solution and preparation method thereof
CN105078820A (en) Residual chlorine-removing and whitening composition and preparation method thereof
DE19710127A1 (en) Purification of drinking water to reduce the germ content
CN104146933B (en) Hide herbal plant bank bar loud, high-pitched sound cloth wet tissue compound solution
KR20140065061A (en) Herbal medicines using natural antibacterial , anti-inflammatory solution

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB02 Change of applicant information
CB02 Change of applicant information

Address after: The North Industrial Zone of Jimei Tianfeng road Xiamen City, Fujian province 361021 No. 69

Applicant after: Xiamen Jian Lin health home Limited by Share Ltd

Address before: The North Industrial Zone of Jimei Tianfeng road Xiamen City, Fujian province 361021 No. 69

Applicant before: Xiamen Runner Industrial Corporation

TA01 Transfer of patent application right
TA01 Transfer of patent application right

Effective date of registration: 20171220

Address after: 361000 Fujian Province, Xiamen city Tongan Industrial Zone Siming Park No. 305

Applicant after: Xiamen Bailin water purification technology Co. Ltd.

Address before: The North Industrial Zone of Jimei Tianfeng road Xiamen City, Fujian province 361021 No. 69

Applicant before: Xiamen Jian Lin health home Limited by Share Ltd

WD01 Invention patent application deemed withdrawn after publication
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20160706