KR101852377B1 - Funtional mask with nipa fruticans wurmb - Google Patents
Funtional mask with nipa fruticans wurmb Download PDFInfo
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- KR101852377B1 KR101852377B1 KR1020170004526A KR20170004526A KR101852377B1 KR 101852377 B1 KR101852377 B1 KR 101852377B1 KR 1020170004526 A KR1020170004526 A KR 1020170004526A KR 20170004526 A KR20170004526 A KR 20170004526A KR 101852377 B1 KR101852377 B1 KR 101852377B1
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1161—Means for fastening to the user's head
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- A—HUMAN NECESSITIES
- A41—WEARING APPAREL
- A41D—OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES
- A41D13/00—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches
- A41D13/05—Professional, industrial or sporting protective garments, e.g. surgeons' gowns or garments protecting against blows or punches protecting only a particular body part
- A41D13/11—Protective face masks, e.g. for surgical use, or for use in foul atmospheres
- A41D13/1192—Protective face masks, e.g. for surgical use, or for use in foul atmospheres with antimicrobial agent
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/02—Masks
- A62B18/025—Halfmasks
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- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Physical Education & Sports Medicine (AREA)
- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
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- Business, Economics & Management (AREA)
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- Respiratory Apparatuses And Protective Means (AREA)
Abstract
Description
More particularly, the present invention relates to providing a functional mask having excellent antibacterial and deodorizing function by impregnating a mask with an extract of a nifa palm phalanx.
Generally, the mask has a structure in which a body made of cotton or non-woven fabric is attached with a hooking means, and has a general respirator mask having a generally rectangular shape or a dust mask having a semicircular shape. These masks act to partially block foreign particles floating in the air such as dust, pathogenic viruses, and toxic gases, but the effect is insignificant.
Accordingly, a mask having a complicated structure with an organic mask, a char mask, an activated carbon mask, or an antibacterial filter has been conventionally proposed.
In addition to the disadvantages of complicated structure and expensive manufacturing cost, the mask containing the filter is not only inconvenient to the respiration of the mask wearer because the amount of the air entering the respirator is greatly reduced, but also the water vapor contained in the breath Is deposited on a mask or a filter to cause the growth of bacteria to cause an odor.
Accordingly, a hygienic mask which has been treated with antimicrobial using a conventional antimicrobial agent has been developed.
However, conventional antibacterial agents for antibacterial, deodorization and antiviral functions are generally anionic chemicals, and these chemicals have the mechanism of killing bacteria by intermingling or destroying the bacterial cell membranes or diffusing them into cells to cause metabolic disorders .
However, the mask is not only a skin contact type that directly covers the mouth and nose where the person breathes directly, but also a respiratory direct cover type product. Therefore, if a mask treated with an antimicrobial agent is brought into contact with the mouth and nose, there is a great possibility that such an antibacterial agent may cause troubles in the respiratory mucosa or infiltrate the human body through the human respiratory system. From this point of view, there was a problem that antimicrobial-treated masks could not help health but rather harm health.
Therefore, there is a desperate need to develop an inexpensive mask that can effectively protect the respiratory apparatus by preventing the propagation of bacteria and viruses without causing problems such as an allergic reaction to human respiratory system.
Accordingly, an object of the present invention is to solve the above-mentioned problems of the prior art, and to provide a mask excellent in antibacterial and deodorizing effect by impregnating the body of the mask with the extract of the nihama coconut palm.
In addition, it prevents the bacteria, fungi, and viruses present in the air from entering the respiratory tract, removes odors in the air, and effectively removes odors generated in the user's mouth.
In order to accomplish the above object, according to the present invention, there is provided a mask for respiratory use, comprising a mask body covering a nose and mouth of a face, and a hook portion fixed to both sides of the mask body, , Or a nifa palm flower, or a nifa palm flower, or a nifa palm flower with a mixture of water, or ethanol, or a mixture of water and ethanol as a solvent - nipah palm, or nipah palm, Extracting with one of hot water extraction, cold extraction, warm extraction, reflux cooling extraction and ultrasonic extraction for 30 minutes to 5 days at a temperature of 20 to 100 ° C after adding a solvent of 3 to 20 times by weight to the weight of the dry powder, The method for impregnating the extract of the present invention with the extract of the present invention comprises the step of immersing the extract of the present invention into a mask body, From 1 to 10 minutes after immersion, from 1 to 60 minutes at a temperature of 50 ~ 150 ℃ or dry; 10 to 20 parts by weight of the extract of Nephala palm is applied or sprayed on 100 parts by weight of the mask body and dried at a temperature of 50 to 150 DEG C for 1 to 60 minutes to immerse the extract in the mask body, The nifel palm flower extract is any one of a powdery powdery extract obtained by drying a concentrated extract obtained by concentration under reduced pressure at 20 to 100 ° C or a concentrated liquid obtained by concentration under reduced pressure and the concentrated extract or powdery extract is dissolved in water or ethanol , Or a mixed solvent in which water and ethanol are mixed.
The extract of Nephala palm leaf impregnated in the mask body may contain 10 to 20 parts by weight of polyvinyl alcohol (PVA) or polyvinylpyrrolidone (PVP) based on 100 parts by weight of the extract.
The ginkgo extract is impregnated with the mask body in an amount of 3 to 20 times by weight the weight of dry powder of gingko leaf, ginkgo fruit, ginkgo wood, and then dried at a temperature of 20 to 100 ° C It is extracted with one of hot water extraction, cold extraction, warm extraction, reflux cooling extraction, and ultrasonic extraction for 30 minutes to 5 days. Dry powder of ginkgo leaf, ginkgo fruit and ginkgo seed oil is mixed at a ratio of 1: 0.1 ~ 1: 0.1 ~ 1 , And 10-20 parts by weight of polyvinyl alcohol (PVA) or polyvinylpyrrolidone (PVP) may be contained per 100 parts by weight of the Ginkgo biloba extract.
Wherein the extract of Rhododendron is added to the dried body of the Rhododendron in an amount of 3 to 20 times by weight the weight of the dry powder of the Rhododendrons and then subjected to hot water extraction for 30 minutes to 5 days at a temperature of 20 to 100 ° C, (PVA) or polyvinylpyrrolidone (PVP) may be contained in an amount of 10 to 20 parts by weight based on 100 parts by weight of the extract of Angelica keiskei koidz. have.
Wherein the mask body comprises an inner skin contacting the face of the user and an outer skin overlapping the inner skin, wherein the ginkgo biloba extract, the ginkgo extract, or the ginkgo extract, 10 to 50 parts by weight of Ginkgo biloba extract or 10 to 50 parts by weight of Rhodiola extract or 10 to 50 parts by weight of a mixture of Ginkgo biloba extract and Rhodochrosite extract are added to 100 parts by weight of the above- Can be impregnated into both the endothelium, the epidermis, or both the endothelium and the epidermis.
A filter may be further included between the inner skin and the outer skin.
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According to the present invention, it is possible to provide a functional mask excellent in deodorization and antibacterial effect, to prevent intrusion of various bacteria and viruses in the air into the respiratory tract, to remove odor in the air, And the like.
1 is a perspective view of a mask according to the present invention;
2 is a partial cutaway view of a mask according to the present invention;
3 is a partial cutaway view of a mask according to another embodiment of the present invention;
4 is a graph showing the results of a test for inhibiting nitrite formation in Example 1 according to the present invention.
Fig. 5 is a graph showing the results of the IL-1? Inhibition assay of Example 1 of the present invention. Fig.
6 is a graph showing the results of a test for inhibiting IL-6 expression in Example 1 according to the present invention.
7 is a graph showing the results of the TNF-α expression inhibition activity test of Example 1 according to the present invention.
Hereinafter, the present invention will be described in detail.
In the present invention, the term " functional " means an antibacterial activity and a deodorization ability. That is, the mask of the present invention has antimicrobial and deodorizing function by impregnation with the extract of Nephala palm. Further, the mask of the present invention may be a multiple use or disposable mask, but the kind thereof is not limited.
1, the respiratory mask A according to the present invention includes a
The shape and the structure of the
At this time, the
Therefore, the present invention is to impregnate the
The method of impregnating the
If the mask A is a fabric mask and can be washed and used a number of times, in order to more effectively fix the nifa palm phloem extract to the
The above-mentioned NIPA FRUTICANS WURMB is originated in India, Malaysia, Southeast Asia and Australia, and grows in wetlands such as mangroves. The roots are divided into several pieces in the ground, and the leaves are gathered on the ground and have a glossy green color. And the flower is one male and one female, and it comes out from the axilla of the ground. Usually, the flower stands rise from October to June of the following year.
The reason for using the flower bud of nipaya is that it has abundant antioxidant components such as polyphenols in the flower bud than any other part of nipaya, and the selenium And other nutritional ingredients, as well as show excellent anti-inflammatory effects.
In the present invention, the extract of the nifa palm phlox is extracted from the dried powder of the nifa palm phalaenopsis.
At this time, the dried powder of the nihon paladin can include not only a nippae flower, but also a flower bud or a flower attached to a flower bed, and the nipponia palm is picked, dried and crushed. Here, the drying may be carried out in a known manner to such an extent that the useful components of the harvested napa are not destroyed. For example, the drying may be carried out by natural drying in the shade. In addition, the crushing is sufficient for crushing the crust to such an extent that the useful components of the nipponophyllum peduncle can be sufficiently extracted in the subsequent extraction process. In addition, the drying and crushing processes may be carried out in reverse order or repeatedly as required.
The extraction may be, for example, hot water extraction, cold extraction, warming extraction, reflux cooling extraction, ultrasonic extraction, or the like.
In addition, the extraction is carried out using a solvent, and water, ethanol, or a mixed solvent thereof may be used as the solvent.
The extraction is carried out by adding 3 to 20 times by weight of the solvent to the weight of the dried powder of the nifalia phalaenopsis at an extraction temperature of 20 to 100 ° C, more preferably 40 to 90 ° C, for 30 minutes to 5 days, A method of extracting for 1 to 24 hours can be applied.
At this time, the liquid extract may be separated from the dried powder of the nifalia phalaenopsis by a method such as filtration, followed by concentration or drying. For example, the extract of the liquid phase may be a concentrate obtained by concentrating the extract at a reduced pressure at 20 to 100 ° C, preferably 40 to 70 ° C by using a vacuum rotary condenser, and drying the extract to obtain a powdered powdery extract. The extracted or concentrated extract may be used in water, ethanol or a mixed solvent thereof if necessary.
However, in the present invention, since it is for immersing the
As described above, the
Meanwhile, the
In this case, the ginkgo extract was also extracted with 3 to 20 times by weight the weight of the dry powder of gingko at an extraction temperature of 20 to 100 ° C for 30 minutes to 5 days, And the solvent is water, ethanol or a mixed solvent thereof. The ginkgo may be at least one kind selected from ginkgo leaf, ginkgo, and ginkgo, and most preferably all three species are mixed at a ratio of 1: 0.1 ~ 1: 0.1 ~ 1 by weight.
In addition, the
The extract has an effect of alleviating respiratory diseases. When the mask is impregnated together with the
At this time, in the same manner as the flower bud extract of NiPhaya japonica extract, the Huangliao extract is extracted with 30 to 5 times by weight of the dry powder weight of the yellowish powder and at an extraction temperature of 20 to 100 ° C for 30 minutes to 5 days , And the solvent is water, ethanol or a mixed solvent thereof.
The method of extracting Ginkgo biloba extract or Huanghui extract is the same as that of the extract of Nephala palmetto, and a description thereof will be omitted.
The method of further impregnating the Ginkgo biloba extract or the Rhododendron extract or the two kinds of Rhodophyta extract or the Rhododendron extract may be carried out by mixing the extract of Ginkgo biloba with the extract of Ginkgo biloba, And the mixed solution is applied to the
At this time, the mixing ratio is preferably 10 to 50 parts by weight of Ginkgo biloba extract, 10 to 50 parts by weight of Rhodiola extract, or 10 to 50 parts by weight of a mixture of two kinds, based on 100 parts by weight of the extract of Nypha palm.
In addition, as described above, when using the Ginkgo biloba extract, Huangyan extract or the like, 10-20 parts by weight of polyvinyl alcohol (PVA) or polyvinylpyrrolidone (PVP) is added to 100 parts by weight of Ginkgo biloba or Huaxia extract It is natural that it can be used.
2, the
At this time, the above-mentioned extracts of Nihonpalaceae or Nipia japonica extract, Ginkgo biloba extract and Rhodiola extract may be impregnated into the
As shown in FIG. 3, the
If the
Hereinafter, the present invention will be described in more detail with reference to specific examples.
(Example 1): Preparation of Extract of Isolate Nymphalidae.
The flower buds of Nipaya were picked, dried naturally on a well-ventilated shade, and then shredded to a size of 20 to 100 mesh to obtain a dried Nipana palm flower.
One liter of water was added to 100 g of dried naphtha palm leaf powder, and the mixture was extracted at 70 ° C for 10 hours, and then filtered with filter paper to obtain an extract. The solvent was then concentrated under reduced pressure and dried, yielding 7.15 g of an extract.
(Example 2): Preparation of Extract of Isolate Nipa and Ginkgo biloba extract.
The same method as in Example 1 was used to obtain an extract of Nephala palmetto.
Then, 33 g of each of ginkgo leaf, ginkgo, and ginkgo seeds were mixed, and 1 L of water was added thereto. Then, the mixture was extracted at 70 ° C. for 10 hours, and filtered with a filter paper to obtain an extract. The solvent was then concentrated under reduced pressure and dried to obtain 6.85 g of an extract.
Then, 5 g of the above-obtained nifel palm phloem extract and 2 g of the Ginkgo biloba extract were mixed.
(Example 3): Preparation of extracts of Nephlum panacea, Ginkgo biloba, and Rhodiola.
The extracts of Nypha palmata and Ginkgo biloba were obtained in the same manner as in Example 2 above.
Then, 1 L of water was added to 100 g of Rhus chinensis, and the mixture was extracted at 70 ° C for 10 hours, and filtered with a filter paper to obtain an extract. The solvent was then concentrated under reduced pressure and dried to obtain 7.24 g of an extract.
Then, 5 g of the above-obtained Nipah palm phloem extract, 2 g of the Ginkgo biloba extract and 2 g of the Rhodiola extract were mixed.
(Experimental Example 1): Experiment to inhibit NO production
RAW 264.7 cells were plated at 1.5 × 10 6 cells / mL on a 24 well plate and cultured for 18 hours at 37 ° C. in a 5% CO 2 incubator. Simultaneously, 1 μg / ml LPS and the sample of Example 1 were treated for 24 hours Lt; / RTI > After incubation, 100 μl of the cell culture supernatant and 100 μl of Griess (1% sulfanilamide, 0.1% naphtylethylenediamine in 2.5% phosphoric acid) reagent were mixed and reacted on a 96-well plate for 10 minutes and absorbance was measured at 540 nm. The amount of nitrites in the sample was quantified using various standard concentrations of sodium nitrite dissolved in the same medium.
The results are shown in Fig.
As can be seen from FIG. 2, it was confirmed that the sample of Example 1 suppressed nitrite production in a concentration-dependent manner. In addition, it was judged that there was a similar inhibitory effect to that of DEX, which is known as an anti-inflammatory component.
(Experimental Example 2): Test for inhibiting the expression of IL-1β, IL-6 and TNF-α.
RAW 264.7 cells were plated at 1.5 × 10 6 cells / mL on a 24-well plate and cultured for 18 hours at 37 ° C. in a 5% CO 2 incubator. Simultaneous treatment with the sample of Example 1 and LPS (1 μg / ml) And cultured for 24 hours. After completion of the culture, the culture medium was centrifuged and IL-1β, IL-6 and TNF-α of the supernatant were quantified using an ELISA kit.
FIG. 5 shows the result of the inhibition of the expression of IL-1β, FIG. 6 shows the result of inhibiting the expression of IL-6, and FIG. 7 shows the result of inhibiting the expression of TNF-α.
As shown in FIGS. 5 to 7, it was confirmed that the sample of Example 1 inhibits the expression of IL-1β, IL-6 and TNF-α in a concentration-dependent manner, and a level similar to that of DEX The inhibitory effect of
(Test Example 3): Test for antibacterial activity.
The assay of the antimicrobial activity was carried out on Escherichia coli ATCC 25922, Staphylococcus aureus ATCC 6538.
The test was carried out by sprinkling each test strain on each sample, measuring the initial state and the state after 24 hours by measuring the concentration of the strain, and the test environment was 30.2 ± 0.2% R.H. at 37.1 ± 0.1 ° C.
The results are shown in Table 1 below.
Escherichia coli
Staphylococcus aureus
As can be seen from the above Table 1, the samples of Examples 1 to 3 according to the present invention showed excellent antibacterial activity against E. coli and Staphylococcus aureus.
(Test Example 4): Evaluation of deodorizing power.
20 mL of each of the samples of Examples 1 to 3 was placed in a test chamber (size 5 L) of FT-IR (
The deodorization rate was calculated as [(Blank concentration by time zone - Sample concentration by time zone) / Blank concentration by time zone]
The results are shown in Table 2 below.
Example 1
Example 2
Example 3
As shown in Table 2, it was confirmed that the samples of Examples 1 to 3 according to the present invention show excellent deodorizing power against ammonia, trimethylamine and hydrogen sulfide.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the scope of the present invention is not limited to the disclosed exemplary embodiments. It will also be appreciated that many modifications and variations will be apparent to those skilled in the art without departing from the scope of the present invention.
Claims (6)
Extracting a nifa palm flower bud, or a nifa palm flower, or a nifa palm flower with water or a mixture of ethanol or water and ethanol as a solvent - drying a nifa palm flower bud or a nifa palm flower, or a nifa palm flower Extracting with one of hot water extraction, cold extraction, warm extraction, reflux cooling extraction and ultrasonic extraction for 30 minutes to 5 days at a temperature of 20 to 100 ° C after adding 3 to 20 times by weight of a solvent to the weight of the powder,
The method for immersing the extract of the present invention into a mask body comprises immersing the extract of the present invention in a mask body for 1 to 10 minutes, ~ 60 minutes drying; 10 to 20 parts by weight of the extract of Nephala palm is applied or sprayed on 100 parts by weight of the mask body and dried at a temperature of 50 to 150 DEG C for 1 to 60 minutes to immerse the extract in the mask body,
The nifel palm flower extract is any one of powdery powdery extracts obtained by drying a concentrated or concentrated solution obtained by concentration under reduced pressure at 20 to 100 ° C,
The concentrated extract or the powdery extract is selectively soluble in water or ethanol or a mixed solvent in which water and ethanol are mixed,
Characterized in that 10 to 20 parts by weight of polyvinyl alcohol (PVA) or polyvinylpyrrolidone (PVP) is contained in 100 parts by weight of the extract of the nifel palm phlox, which is impregnated into the mask body. Functional mask using coconut palms.
Wherein the mask body is further impregnated with Ginkgo biloba extract,
The Ginkgo biloba extract,
Ginkgo, ginkgo, ginkgo, and ginkgo seeds are added to the dried powder at a weight of 3 to 20 times the weight of the dry powder, and then subjected to hot water extraction, cold extraction, warming extraction, And extracting the dried powder of gingko leaf, ginkgo fruit, and ginkgo wood at a weight ratio of 1: 0.1 ~ 1: 0.1 ~ 1,
Characterized in that 10 to 20 parts by weight of polyvinyl alcohol (PVA) or polyvinylpyrrolidone (PVP) is contained in 100 parts by weight of the Ginkgo biloba extract.
Wherein the mask body is further impregnated with an extract of Rhododendron,
The above-
The solvent is added to the dried powder weight of the yellowish powder at a rate of 3 to 20 times by weight and extracted with one of hot water extraction, cold extraction, heating extraction, reflux cooling extraction and ultrasonic extraction at a temperature of 20 to 100 ° C for 30 minutes to 5 days ,
Characterized in that 10 to 20 parts by weight of polyvinyl alcohol (PVA) or polyvinylpyrrolidone (PVP) is contained per 100 parts by weight of the Rhodiola extract.
The mask body includes:
An inner skin contacting the face of the user, and an outer skin overlapping the inner skin,
In addition to the above-mentioned Nipah palm phloem extract, ginkgo biloba extract or Rhodiola extract, or both Ginkgo biloba extract and Rhodiola extract,
10 to 50 parts by weight of Ginkgo biloba extract or 10 to 50 parts by weight of Rhodiola extract or 10 to 50 parts by weight of a mixture of Ginkgo biloba extract and Rhododendron bark extract are added to 100 parts by weight of the above-mentioned nifel palm flower extract, Or both of the endothelium and the outer skin.
And a filter is further included between the inner skin and the outer skin.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020170004526A KR101852377B1 (en) | 2017-01-11 | 2017-01-11 | Funtional mask with nipa fruticans wurmb |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020170004526A KR101852377B1 (en) | 2017-01-11 | 2017-01-11 | Funtional mask with nipa fruticans wurmb |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200014681A (en) * | 2019-05-02 | 2020-02-11 | 농업회사법인주식회사니파바이오 | Beverage composition for anti-inflammatory and inhibiting with nipa fruticans wurmb, and manufacturing method thereof |
| KR20220006842A (en) | 2020-07-09 | 2022-01-18 | (주)에스제이네이션 | mask that prevents contact between the lips and the face during breathing and prevention of misting |
| KR20220000838U (en) | 2020-10-12 | 2022-04-19 | 신동수 | mask that can prevent fogging |
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| KR20120092540A (en) * | 2009-10-14 | 2012-08-21 | 웅진코웨이주식회사 | Composition for prevention of new influenza a (h1n1) virus comprising extracts of ginkgo, air filter comprising the composition and air cleaning device comprising the filter |
| KR101224786B1 (en) | 2012-03-12 | 2013-01-21 | 강춘식 | Antibacterial mask emitting phytoncide |
| KR101251401B1 (en) * | 2012-08-03 | 2013-04-05 | 유연주 | Water tissue comprising extracts of golden thread by high temperature and high pressure using hot water |
| KR20160021177A (en) * | 2016-02-15 | 2016-02-24 | 조주환 | A functional mask and a manufacturing process thereof |
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2017
- 2017-01-11 KR KR1020170004526A patent/KR101852377B1/en active IP Right Grant
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20120092540A (en) * | 2009-10-14 | 2012-08-21 | 웅진코웨이주식회사 | Composition for prevention of new influenza a (h1n1) virus comprising extracts of ginkgo, air filter comprising the composition and air cleaning device comprising the filter |
| KR101224786B1 (en) | 2012-03-12 | 2013-01-21 | 강춘식 | Antibacterial mask emitting phytoncide |
| KR101251401B1 (en) * | 2012-08-03 | 2013-04-05 | 유연주 | Water tissue comprising extracts of golden thread by high temperature and high pressure using hot water |
| KR20160021177A (en) * | 2016-02-15 | 2016-02-24 | 조주환 | A functional mask and a manufacturing process thereof |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20200014681A (en) * | 2019-05-02 | 2020-02-11 | 농업회사법인주식회사니파바이오 | Beverage composition for anti-inflammatory and inhibiting with nipa fruticans wurmb, and manufacturing method thereof |
| KR102182574B1 (en) * | 2019-05-02 | 2020-11-24 | 농업회사법인주식회사니파바이오 | Beverage composition for anti-inflammatory and inhibiting with nipa fruticans wurmb, and manufacturing method thereof |
| KR20220006842A (en) | 2020-07-09 | 2022-01-18 | (주)에스제이네이션 | mask that prevents contact between the lips and the face during breathing and prevention of misting |
| KR20220000838U (en) | 2020-10-12 | 2022-04-19 | 신동수 | mask that can prevent fogging |
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