CN110584884A - Sanitary towel capable of being absorbed quickly - Google Patents
Sanitary towel capable of being absorbed quickly Download PDFInfo
- Publication number
- CN110584884A CN110584884A CN201910893088.7A CN201910893088A CN110584884A CN 110584884 A CN110584884 A CN 110584884A CN 201910893088 A CN201910893088 A CN 201910893088A CN 110584884 A CN110584884 A CN 110584884A
- Authority
- CN
- China
- Prior art keywords
- layer
- flow guide
- absorption
- sanitary towel
- sanitary napkin
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/472—Sanitary towels, incontinence pads or napkins specially adapted for female use
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/45—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the shape
- A61F13/47—Sanitary towels, incontinence pads or napkins
- A61F13/475—Sanitary towels, incontinence pads or napkins characterised by edge leakage prevention means
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61F—FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, e.g. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS
- A61F13/00—Bandages or dressings; Absorbent pads
- A61F13/15—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators
- A61F13/53—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium
- A61F13/534—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad
- A61F13/537—Absorbent pads, e.g. sanitary towels, swabs or tampons for external or internal application to the body; Supporting or fastening means therefor; Tampon applicators characterised by the absorbing medium having an inhomogeneous composition through the thickness of the pad characterised by a layer facilitating or inhibiting flow in one direction or plane, e.g. a wicking layer
Landscapes
- Health & Medical Sciences (AREA)
- Epidemiology (AREA)
- Engineering & Computer Science (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Absorbent Articles And Supports Therefor (AREA)
Abstract
The invention belongs to the field of disposable articles, and particularly relates to a quick-absorption sanitary towel which comprises a surface layer, a flow guide layer, an absorption layer and a bottom membrane which are sequentially arranged from top to bottom, wherein the periphery of the bottom membrane is connected with the periphery of the surface layer, the flow guide layer and the absorption layer are coated inside the surface layer and the bottom membrane, and the fiber density of the flow guide layer is less than that of the surface layer; the absorption layer comprises a coating layer and an absorption body coated in the coating layer, the coating layer reversely coats the absorption body, and the two sides of the absorption body respectively form channels extending along the length direction of the sanitary towel with the inner walls of the two sides corresponding to the coating layer; the surface of the absorber is provided with bulges, so that a plurality of flow guide grooves which are mutually communicated along the surface of the absorber are formed between the surface of the absorber and the coating layer; the inner surface of the basement membrane is distributed with particles protruding upwards, and mutually communicated flow channels are formed among the particles. The invention can absorb surface liquid at a high speed, improve the use comfort and reduce the side leakage phenomenon.
Description
Technical Field
The invention relates to the field of disposable articles, in particular to a sanitary towel capable of being quickly absorbed.
Background
Disposable absorbent articles, such as disposable diapers, training pants, adult incontinence products, feminine sanitary napkins and the like are well known. The primary function of such disposable absorbent articles is to absorb and contain bodily waste, and such articles are also used to prevent the bodily waste from soiling, wetting, or otherwise contaminating clothing or other articles that come into contact with the wearer, such as bedding and the like.
At present, in the process of using the sanitary towel by women, due to individual difference, for users with large menstrual amount in menstrual period, the speed of absorption of the sanitary towel directly influences the personal sanitary condition. The sanitary towel which is slow in absorption and poor in internal diversion effect is easy to cause the phenomenon of side leakage. The existing sanitary towel cannot play a good flow guide effect on internal flow guide, so that menstrual blood is absorbed by a female vagina central area for sanitation, and the two ends of the sanitary towel are not absorbed, so that the sanitary towel cannot store more menstrual blood at the center and further causes side leakage.
How to improve the absorption speed and the diversion speed of the sanitary towel is that the menstrual blood which is not in the sanitary towel can be diverted to each part of the sanitary towel, the use efficiency of the sanitary towel is improved, and the sanitary towel is one of the primary problems in the market of the sanitary towel.
Disclosure of Invention
The invention aims to provide a sanitary towel capable of being absorbed quickly, so that the quick absorption and internal diversion effects of the sanitary towel are improved, and the use efficiency of the sanitary towel is further improved.
In order to solve the technical problem, the invention provides a quick-absorption sanitary towel, which comprises a surface layer, a flow guide layer, an absorption layer and a bottom membrane which are sequentially arranged from top to bottom, wherein the periphery of the bottom membrane is connected with the periphery of the surface layer, and the flow guide layer and the absorption layer are coated inside the surface layer and the bottom membrane, and the quick-absorption sanitary towel is characterized in that:
the fiber density of the flow guide layer is less than that of the surface layer;
the absorption layer comprises a coating layer and an absorption body coated in the coating layer, the coating layer reversely coats the absorption body, and the two sides of the absorption body respectively form channels extending along the length direction of the sanitary towel with the inner walls of the two sides corresponding to the coating layer;
the surface of the absorber is provided with bulges, so that a plurality of flow guide grooves which are mutually communicated along the surface of the absorber are formed between the surface of the absorber and the coating layer;
the inner surface of the basement membrane is distributed with particles protruding upwards, and mutually communicated flow channels are formed among the particles.
Further, the surface layer comprises an upper surface layer and a lower surface layer;
the lower layer has a fiber density less than the fiber density of the upper layer.
Further, the flow guide layer comprises a first flow guide layer and a second flow guide layer;
the first flow guide layer is bonded at the center of the second flow guide layer, and the fiber density of the second flow guide layer is smaller than that of the first flow guide layer.
Further, the surface layer is provided with a leakage-proof pressure groove arranged along the periphery of the first flow guide layer.
Further, the coating layer is of a U-shaped reverse coating structure.
Further, the absorber comprises a spunlace nonwoven fabric layer, a sodium polyacrylate absorption layer and an SS spun-bonded clear water nonwoven fabric layer which are arranged from top to bottom in sequence.
Furthermore, the mesh number of the sodium polyacrylate in the sodium polyacrylate absorption layer is 40-100 meshes.
Further, the channels are distributed from the center of the sanitary towel to two sides in a capillary vessel type structure.
Furthermore, macromolecule water absorption particles are arranged in the bulges.
The invention has the beneficial effects that:
1. through the change of the fiber density of each component of the surface layer and the flow guide layer, a structure similar to fan-shaped diffusion is formed, so that liquid entering the surface layer can be quickly absorbed;
2. through the channels on the two sides in the absorption body, menstrual blood entering the absorption body can be guided to the front end or the rear end of the sanitary towel along the channels on the two sides, so that the liquid absorption in the central area of the sanitary towel is linked, and the side leakage caused by excessive menstrual blood in the central area is prevented;
3. the menstrual blood entering and absorbed is quickly diffused into the channel through the diversion grooves formed between the upper surface of the absorber and the coating layer, so that the internal diversion speed is increased, and the absorption speed is further increased;
4. through the raised particles on the bottom film, the flow channel formed among the particles and the blocks absorb the diffusion of menstrual blood in a body, so that the internal flow guiding rate of the menstrual blood is increased, the utilization area of the sanitary towel is increased, and the use efficiency of the sanitary towel is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a front view of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a schematic view of an absorbent body surface structure;
fig. 4 is a schematic illustration of the structure of the inner surface of a carrier film.
FIG. 5 is a schematic view of the flow of liquid through the facing layer into the absorbent layer.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
Examples
As shown in fig. 1-5, this embodiment 1 provides a sanitary napkin capable of absorbing rapidly, which comprises a surface layer 1, a diversion layer 2, an absorption layer 3 and a bottom film 4, which are sequentially arranged from top to bottom, wherein the bottom film 4 is connected with the periphery of the surface layer 1, and the diversion layer 2 and the absorption layer 3 are coated inside the surface layer 1 and the bottom film 4 to form a sealed diversion and absorption space, so that liquid cannot leak out.
The fiber density of the flow guide layer 2 is smaller than that of the surface layer 1, menstrual blood permeates into the flow guide layer 2 after passing through the surface layer 1, the density of the flow guide layer 2 is small, a structure similar to fan-shaped diffusion is formed when the menstrual blood flows from the surface layer 1 to the flow guide layer 2, and the absorption speed is further improved.
The absorbing layer 3 includes coating 31 and the cladding absorbent 32 in coating 31, including coating 31 is anti-the cladding of absorbent 32, and the both sides of absorbent 32 all form along the passageway 5 that sanitary towel length direction extended with the inner wall of the corresponding both sides of coating 31 respectively, the back is absorbed by absorbent 32 to the menstrual blood that gets into in the absorbing layer 3, the menstrual blood advances both sides and both ends diffusion to the health, get into passageway 5 back to the menstrual blood of both sides diffusion, through passageway 5 to sanitary towel both ends water conservancy diversion, because the existence of passageway 5, the speed that the menstrual blood was arranged and is stayed has been promoted, and then prevent that the menstrual blood from piling up at the sanitary towel center, be difficult to the diffusion and then take place the phenomenon of side leakage.
The surface of the absorber 32 is provided with the protrusions 321, so that a plurality of flow guide grooves 322 which are mutually communicated along the surface of the absorber 32 are formed between the surface of the absorber 32 and the coating layer 31, and the flow guide grooves 322 guide the menstrual blood to the channels 4 at the two ends and the side surfaces of the sanitary towel, so that the absorption is accelerated.
Upward convex particles 41 are distributed on the inner surface of the bottom film 4, flow channels 42 which are communicated with each other are formed among the particles 41, and space isolation is formed between the flow channels 42 and the absorber 3, so that menstrual blood in the absorber 3 can be favorably diffused to the two ends or the periphery of the sanitary towel through the flow channels 42, the butt joint of the menstrual blood is prevented, and the diffusion speed is increased.
As an alternative embodiment of the facing layer.
As shown in fig. 2, the facing layer 1 comprises an upper facing layer 11 and a lower facing layer 12; the lower face layer 12 has a lower fiber density than the upper face layer 11. And the fan-shaped retention mode is also utilized, so that the speed of entering the diversion layer 2 is improved. Specifically, the upper layer 11 and the lower layer 12 are both formed by blending and spinning PET and PE, and have the advantages of softness, clothes sticking and quick absorption.
As an alternative embodiment of the facing layer.
As shown in fig. 2, the flow guiding layer 2 includes a first flow guiding layer 21 and a second flow guiding layer 22; the first diversion layer 21 is adhered to the center of the second diversion layer 22, and the fiber density of the second diversion layer 22 is smaller than that of the first diversion layer 21, so that the progressive diversion absorption of the menstrual blood is formed. The flow guide layer 2 is formed by spinning PP and PE.
Preferably, the surface layer 1 is provided with an anti-leakage groove 13 arranged along the periphery of the first flow guide layer 21, so that menstrual blood entering the surface layer 1 can conveniently seep down along the inner side of the anti-leakage groove 13 to prevent side leakage.
As an alternative embodiment of the coating.
As shown in fig. 2, the covering layer 31 has a U-shaped reverse-wrapped structure, which completely covers the absorbent 32, and ensures that the upper surface of the absorbent 32 forms a space with the covering layer 31, which is beneficial to the infiltration of menstrual blood.
As an alternative embodiment of the absorption body.
As shown in fig. 1 and fig. 3, the absorbent 32 comprises a spunlace nonwoven fabric layer 33, a sodium polyacrylate absorbent layer 34 and a SS spun-bonded clear water nonwoven fabric layer 35, which are arranged in sequence from top to bottom, wherein the mesh number of sodium polyacrylate in the sodium polyacrylate absorbent layer 34 is 40-100 meshes.
As an alternative embodiment of the channel.
As shown in figure 2, the channels 5 are distributed from the center of the sanitary towel to two sides in a capillary vessel type structure, which is similar to the capillary vessels of a human body, so that menstrual blood can flow into two ends of the sanitary towel conveniently, and then uniform absorption is formed.
Preferably, the protrusions 321 are provided with high molecular water-absorbing particles therein to rapidly absorb liquid.
Compared with the absorption of the sanitary napkins in the prior art, the quick-absorption sanitary napkin of the embodiment greatly improves the absorption speed, and the test results are shown in table 1.
Table 1 results of the liquid absorption test of the examples.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (9)
1. The utility model provides a quick absorbent sanitary towel, includes surface course, water conservancy diversion layer, absorbed layer and the basement membrane that top-down set gradually, basement membrane and surface course periphery are connected, and with water conservancy diversion layer and absorbed layer cladding inside surface course and basement membrane, its characterized in that:
the fiber density of the flow guide layer is less than that of the surface layer;
the absorption layer comprises a coating layer and an absorption body coated in the coating layer, the coating layer reversely coats the absorption body, and the two sides of the absorption body respectively form channels extending along the length direction of the sanitary towel with the inner walls of the two sides corresponding to the coating layer;
the surface of the absorber is provided with bulges, so that a plurality of flow guide grooves which are mutually communicated along the surface of the absorber are formed between the surface of the absorber and the coating layer;
the inner surface of the basement membrane is distributed with particles protruding upwards, and mutually communicated flow channels are formed among the particles.
2. The quick absorbing sanitary napkin of claim 1 wherein:
the surface layer comprises an upper surface layer and a lower surface layer;
the lower layer has a fiber density less than the fiber density of the upper layer.
3. The quick absorbing sanitary napkin of claim 1 wherein:
the flow guide layer comprises a first flow guide layer and a second flow guide layer;
the first flow guide layer is bonded at the center of the second flow guide layer, and the fiber density of the second flow guide layer is smaller than that of the first flow guide layer.
4. The quick absorbing sanitary napkin of claim 3 wherein:
the surface layer is provided with a leakage-proof pressure groove arranged along the periphery of the first flow guide layer.
5. The quick absorbing sanitary napkin of claim 1 wherein:
the coating layer is of a U-shaped reverse coating structure.
6. The quick absorbing sanitary napkin of claim 1 wherein:
the absorbent comprises a spunlace nonwoven fabric layer, a sodium polyacrylate absorption layer and an SS spun-bonded clear water nonwoven fabric layer which are sequentially arranged from top to bottom.
7. The quick absorbing sanitary napkin of claim 6 wherein:
the mesh number of the sodium polyacrylate in the sodium polyacrylate absorption layer is 40-100 meshes.
8. The quick absorbing sanitary napkin of claim 1 wherein:
the channels are distributed from the center of the sanitary towel to two sides in a capillary vessel type structure.
9. The quick absorbing sanitary napkin of claim 1 wherein:
the protrusions are internally provided with high molecular water absorption particles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910893088.7A CN110584884A (en) | 2019-09-20 | 2019-09-20 | Sanitary towel capable of being absorbed quickly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910893088.7A CN110584884A (en) | 2019-09-20 | 2019-09-20 | Sanitary towel capable of being absorbed quickly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110584884A true CN110584884A (en) | 2019-12-20 |
Family
ID=68861803
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910893088.7A Pending CN110584884A (en) | 2019-09-20 | 2019-09-20 | Sanitary towel capable of being absorbed quickly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110584884A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658330A (en) * | 2020-07-21 | 2020-09-15 | 江苏豪悦实业有限公司 | Sanitary napkin having a rapidly absorbing and dispersing multi-layer core |
| CN114712095A (en) * | 2022-03-30 | 2022-07-08 | 广东同德药业有限公司 | Graphite fullerene diene protection pad and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314135A (en) * | 2000-03-07 | 2001-09-26 | 尤妮佳股份有限公司 | Multilayer structure absorption piece of sanitary article |
| CN103948470A (en) * | 2014-04-29 | 2014-07-30 | 瑞光（上海）电气设备有限公司 | Absorptive core and molding wrapping device thereof for absorptive sanitary articles |
| CN203970682U (en) * | 2014-05-15 | 2014-12-03 | 中天（中国）工业有限公司 | A kind of health towel |
| CN204683926U (en) * | 2015-04-14 | 2015-10-07 | 雀氏（福建）实业发展有限公司 | The frivolous absorbent commodity of a kind of superabsorbent |
| CN204951350U (en) * | 2015-07-13 | 2016-01-13 | 江苏豪悦实业有限公司 | Multilateral leak protection sanitary towel of well flap |
| CN105232235A (en) * | 2015-10-30 | 2016-01-13 | 浙江优全护理用品科技有限公司 | Paper diaper capable of rapidly absorbing liquid and keeping dry |
| CN206044845U (en) * | 2016-05-25 | 2017-03-29 | 杭州千芝雅卫生用品有限公司 | 3D is embossed baby paper diaper |
| CN208989386U (en) * | 2018-08-03 | 2019-06-18 | 佛山市南海必得福无纺布有限公司 | A kind of dry and comfortable composite water absorbing pad |
| CN209075160U (en) * | 2018-03-30 | 2019-07-09 | 泉州市汉奇卫生材料有限公司 | A kind of novel sanitary towel |
-
2019
- 2019-09-20 CN CN201910893088.7A patent/CN110584884A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1314135A (en) * | 2000-03-07 | 2001-09-26 | 尤妮佳股份有限公司 | Multilayer structure absorption piece of sanitary article |
| CN103948470A (en) * | 2014-04-29 | 2014-07-30 | 瑞光（上海）电气设备有限公司 | Absorptive core and molding wrapping device thereof for absorptive sanitary articles |
| CN203970682U (en) * | 2014-05-15 | 2014-12-03 | 中天（中国）工业有限公司 | A kind of health towel |
| CN204683926U (en) * | 2015-04-14 | 2015-10-07 | 雀氏（福建）实业发展有限公司 | The frivolous absorbent commodity of a kind of superabsorbent |
| CN204951350U (en) * | 2015-07-13 | 2016-01-13 | 江苏豪悦实业有限公司 | Multilateral leak protection sanitary towel of well flap |
| CN105232235A (en) * | 2015-10-30 | 2016-01-13 | 浙江优全护理用品科技有限公司 | Paper diaper capable of rapidly absorbing liquid and keeping dry |
| CN206044845U (en) * | 2016-05-25 | 2017-03-29 | 杭州千芝雅卫生用品有限公司 | 3D is embossed baby paper diaper |
| CN209075160U (en) * | 2018-03-30 | 2019-07-09 | 泉州市汉奇卫生材料有限公司 | A kind of novel sanitary towel |
| CN208989386U (en) * | 2018-08-03 | 2019-06-18 | 佛山市南海必得福无纺布有限公司 | A kind of dry and comfortable composite water absorbing pad |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111658330A (en) * | 2020-07-21 | 2020-09-15 | 江苏豪悦实业有限公司 | Sanitary napkin having a rapidly absorbing and dispersing multi-layer core |
| CN111658330B (en) * | 2020-07-21 | 2022-02-08 | 江苏豪悦实业有限公司 | Sanitary napkin having a rapidly absorbing and dispersing multi-layer core |
| CN114712095A (en) * | 2022-03-30 | 2022-07-08 | 广东同德药业有限公司 | Graphite fullerene diene protection pad and preparation method thereof |
| CN114712095B (en) * | 2022-03-30 | 2022-09-13 | 广东同德药业有限公司 | Graphite fullerene diene protection pad and preparation method thereof |
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| 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: 20191220 |
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| RJ01 | Rejection of invention patent application after publication |