CN111631861A - Silica gel remaining needle paste - Google Patents
Silica gel remaining needle paste Download PDFInfo
- Publication number
- CN111631861A CN111631861A CN202010552999.6A CN202010552999A CN111631861A CN 111631861 A CN111631861 A CN 111631861A CN 202010552999 A CN202010552999 A CN 202010552999A CN 111631861 A CN111631861 A CN 111631861A
- Authority
- CN
- China
- Prior art keywords
- release paper
- film
- silica gel
- solvent type
- layer
- 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
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 title claims abstract description 39
- 239000000741 silica gel Substances 0.000 title claims abstract description 39
- 229910002027 silica gel Inorganic materials 0.000 title claims abstract description 39
- 239000000123 paper Substances 0.000 claims abstract description 51
- 239000010410 layer Substances 0.000 claims abstract description 46
- 239000004814 polyurethane Substances 0.000 claims abstract description 45
- 239000002904 solvent Substances 0.000 claims abstract description 38
- 239000011086 glassine Substances 0.000 claims abstract description 37
- 229920006264 polyurethane film Polymers 0.000 claims abstract description 22
- 239000012790 adhesive layer Substances 0.000 claims abstract description 17
- 229920002635 polyurethane Polymers 0.000 claims abstract description 16
- 239000003292 glue Substances 0.000 claims abstract description 15
- 238000005507 spraying Methods 0.000 claims abstract description 15
- 238000010030 laminating Methods 0.000 claims abstract description 10
- 239000011241 protective layer Substances 0.000 claims abstract description 10
- 238000001035 drying Methods 0.000 claims abstract description 5
- 238000002360 preparation method Methods 0.000 claims abstract description 4
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims description 9
- 229920002529 medical grade silicone Polymers 0.000 claims 1
- 206010020751 Hypersensitivity Diseases 0.000 abstract description 2
- 208000026935 allergic disease Diseases 0.000 abstract description 2
- 230000007815 allergy Effects 0.000 abstract description 2
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 230000000172 allergic effect Effects 0.000 description 2
- 208000010668 atopic eczema Diseases 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000035699 permeability Effects 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 239000010703 silicon Substances 0.000 description 1
- 229920001169 thermoplastic Polymers 0.000 description 1
- 239000004416 thermosoftening plastic Substances 0.000 description 1
Images
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
- A61F13/02—Adhesive bandages or dressings
- A61F13/0246—Adhesive bandages or dressings characterised by the skin-adhering layer
- A61F13/0253—Adhesive bandages or dressings characterised by the skin-adhering layer characterized by the adhesive material
-
- 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
- A61F13/02—Adhesive bandages or dressings
- A61F13/0259—Adhesive bandages or dressings characterised by the release liner covering the skin adhering layer
-
- 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
- A61F13/02—Adhesive bandages or dressings
- A61F13/0276—Apparatus or processes for manufacturing adhesive dressings or bandages
- A61F13/0289—Apparatus or processes for manufacturing adhesive dressings or bandages manufacturing of adhesive dressings
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
- C08J5/18—Manufacture of films or sheets
-
- 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
- A61F2013/00361—Plasters
- A61F2013/00365—Plasters use
- A61F2013/00412—Plasters use for use with needles, tubes or catheters
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2375/00—Characterised by the use of polyureas or polyurethanes; Derivatives of such polymers
- C08J2375/04—Polyurethanes
Landscapes
- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Public Health (AREA)
- Chemical & Material Sciences (AREA)
- Veterinary Medicine (AREA)
- General Health & Medical Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Manufacturing & Machinery (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Vascular Medicine (AREA)
- Dermatology (AREA)
- Organic Chemistry (AREA)
- Polymers & Plastics (AREA)
- Medicinal Chemistry (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Materials For Medical Uses (AREA)
Abstract
The invention relates to a silica gel remaining needle paste, which comprises a release paper supporting layer, a polyurethane film layer, a silica gel adhesive layer and a release protective layer which are sequentially arranged from top to bottom; the polyurethane film layer is a solvent type PU film, and the preparation process of the solvent type PU film is as follows: 1) preparing solvent type polyurethane glue and dual-sided release glassine release paper, wherein the release force of the laminating surface of the glassine release paper is controlled to be 200-500g, and the release force of the non-laminating surface of the glassine release paper is controlled to be 30-200 g; 2) setting a nozzle gap of a spraying film according to the thickness of the solvent type PU film, and spraying solvent type polyurethane glue on the spraying film surface of the glassine release paper; 3) the glassine release paper sprayed with the solvent type polyurethane glue enters the oven through the conveyor belt, and the glassine release paper and the conveyor belt are conveyed forwards horizontally, so that the uneven thickness of the solvent type PU film caused by the included angle between the glassine release paper and the conveyor belt is avoided; and drying to obtain the required solvent type PU film. The silica gel indwelling needle patch prepared by the invention has good viscosity, no allergy and no pain when being torn off.
Description
Technical Field
The invention relates to a silica gel remaining needle paste, and belongs to the technical field of remaining needle paste design.
Background
The indwelling needle technology is developed today, breaks through the application limitation, and is gradually expanded from a child department and an ICU ward to other departments, because the indwelling needle technology avoids the pain of patients caused by repeated needle insertion. The indwelling needle can be generally kept in a human body for 3-7 days, the sterile barrier of the puncture part is guaranteed by the indwelling needle, but the long-time application is easy to be allergic, even the puncture point is infected, the pain caused by pulling the skin by the conventional pressure-sensitive adhesive when the film is removed is not good experience for patients, and the skin of a person with weak skin can tear the skin to cause secondary injury.
Disclosure of Invention
The invention aims to solve the problems and provide a silica gel indwelling needle patch which has good viscosity, no allergy and no pain when being torn off.
The invention aims to realize the silica gel remaining needle paste, which is characterized by comprising a release paper supporting layer, a polyurethane film layer, a silica gel adhesive layer and a release protective layer which are sequentially arranged from top to bottom; the release paper supporting layer is provided with an observation window, one surface of the polyurethane film layer is fixed on the release paper supporting layer, the other surface of the polyurethane film layer is provided with a silica gel adhesive layer, and the release protective layer covers the silica gel adhesive layer;
the polyurethane film layer is a solvent type PU film, and the preparation process of the solvent type PU film is as follows:
1) preparing solvent type polyurethane glue and dual-sided release glassine release paper, wherein the release force of the laminating surface of the glassine release paper is controlled to be 200-500g, and the release force of the non-laminating surface of the glassine release paper is controlled to be 30-200 g;
2) setting a nozzle gap of a spraying film according to the thickness of the solvent type PU film, and spraying solvent type polyurethane glue on the spraying film surface of the glassine release paper;
3) the glassine release paper sprayed with the solvent type polyurethane glue enters the oven through the conveyor belt, and the glassine release paper and the conveyor belt are conveyed forwards horizontally, so that the uneven thickness of the solvent type PU film caused by the included angle between the glassine release paper and the conveyor belt is avoided; and drying to obtain the required solvent type PU film.
The size of the long side direction of the polyurethane film layer is shorter than that of the long side direction of the release paper supporting layer.
The silica gel viscous layer uses silica gel pressure-sensitive adhesive which is inert to human body, namely, the silica gel viscous layer adopts medical organic silicon pressure-sensitive adhesive.
120 g of glassine paper is used as the release paper support layer.
The thickness of the polyurethane film layer is 15-35 microns.
The method is advanced and scientific, and the silica gel remaining needle sticker provided by the invention comprises a release paper supporting layer, a polyurethane film layer, a silica gel adhesive layer and a release protective layer which are sequentially provided with a window from top to bottom. After the structure and the adhesive are adopted, the invention has the following advantages: the windowed release paper supporting layer can be conveniently and simply applied to a puncture point by a medical operator in an aligned mode, can also play a supporting role in the whole application and is convenient to hold by hands; the polyurethane film layer uses a self-made solvent type PU film, so that the air permeability is better, the PU film is softer and more comfortable, and meanwhile, the size of the long side direction of the PU film is shorter than that of the long side direction of the supporting layer, so that the opening is easier and the worker can conveniently use the PU film; the silica gel adhesive layer uses silica gel pressure sensitive adhesive which is inert to human body, and is not allergic and has soft adhesion; the release protective layer protects the adhesive surface from contamination. A windowed 120 g glassine paper is used as the preferred release paper support layer. The self-made solvent type PU film is selected for the preferable polyurethane film, and the film has high air permeability and softer touch feeling compared with the thermoplastic TPU film, and is convenient for medical personnel to shape when in application. The solvent type PU film with the thickness of 15-35 microns is preferably prepared by the following steps: 1) preparing optimized solvent type polyurethane glue and dual-sided release glassine release paper (the release force of the film laminating surface is controlled to be 200-500g, and the release force of the non-film laminating surface is controlled to be 30-200 g); 2) setting a nozzle gap for film spraying according to the thickness of the PU film, and spraying solvent type polyurethane glue on the film spraying surface of the glassine paper; 3) the glassine paper coated with the polyurethane glue enters the oven through the conveyor belt, and glassine release paper and the conveyor belt are conveyed forwards horizontally, so that the phenomenon that the thickness of the PU film is uneven due to the fact that the glassine release paper and the conveyor belt form an included angle is avoided; 4) and drying to obtain the required solvent type PU film. The preferable silica gel adhesive layer is medical organosilicon pressure-sensitive adhesive which has stronger adhesiveness than medical silica gel adhesive, and the fixed remaining needle is firmer and is not easy to fall off.
Drawings
FIG. 1 is a schematic structural view of the present invention;
in the figure: 1 from type paper supporting layer, 2 polyurethane membranous layer, 3 silica gel adhesive layers, 4 from type protective layer, 5 observation windows.
Detailed Description
The present invention will be described in further detail with reference to specific embodiments.
A silica gel remaining needle paste comprises a release paper supporting layer 1, a polyurethane film layer 2, a silica gel viscous layer 3 and a release protective layer 4 which are sequentially arranged from top to bottom; an observation window 5 is arranged on the release paper supporting layer 1, one surface of the polyurethane film layer 2 is fixed on the release paper supporting layer 1, the other surface is provided with a silica gel adhesive layer 3, and a release protective layer 4 covers the silica gel adhesive layer 3;
the polyurethane film layer 2 is a solvent type PU film, and the preparation process of the solvent type PU film is as follows:
1) preparing solvent type polyurethane glue and dual-sided release glassine release paper, wherein the release force of the laminating surface of the glassine release paper is controlled to be 200-500g, and the release force of the non-laminating surface of the glassine release paper is controlled to be 30-200 g;
2) setting a nozzle gap of a spraying film according to the thickness of the solvent type PU film, and spraying solvent type polyurethane glue on the spraying film surface of the glassine release paper;
3) the glassine release paper sprayed with the solvent type polyurethane glue enters the oven through the conveyor belt, and the glassine release paper and the conveyor belt are conveyed forwards horizontally, so that the uneven thickness of the solvent type PU film caused by the included angle between the glassine release paper and the conveyor belt is avoided; and drying to obtain the required solvent type PU film.
Further, the dimension of the polyurethane film layer 2 in the long side direction is shorter than that of the release paper support layer 1 in the long side direction. The silica gel adhesive layer 3 uses silica gel pressure-sensitive adhesive which is inert to human body, namely, the silica gel adhesive layer 3 adopts medical organosilicon pressure-sensitive adhesive. Release paper support layer 1 120 g glassine paper was used. The thickness of the polyurethane film layer 2 is 15 to 35 μm.
Claims (5)
1. A silica gel remaining needle sticker is characterized by comprising a release paper supporting layer (1), a polyurethane film layer (2), a silica gel adhesive layer (3) and a release protective layer (4) which are sequentially arranged from top to bottom; an observation window (5) is formed in the release paper supporting layer (1), one surface of the polyurethane film layer (2) is fixed on the release paper supporting layer (1), the other surface of the polyurethane film layer is provided with a silica gel adhesive layer (3), and a release protective layer (4) covers the silica gel adhesive layer (3);
the polyurethane film layer (2) is a solvent type PU film, and the preparation process of the solvent type PU film is as follows:
1) preparing solvent type polyurethane glue and dual-sided release glassine release paper, wherein the release force of the laminating surface of the glassine release paper is controlled to be 200-500g, and the release force of the non-laminating surface of the glassine release paper is controlled to be 30-200 g;
2) setting a nozzle gap of a spraying film according to the thickness of the solvent type PU film, and spraying solvent type polyurethane glue on the spraying film surface of the glassine release paper;
3) the glassine release paper sprayed with the solvent type polyurethane glue enters the oven through the conveyor belt, and the glassine release paper and the conveyor belt are conveyed forwards horizontally, so that the uneven thickness of the solvent type PU film caused by the included angle between the glassine release paper and the conveyor belt is avoided; and drying to obtain the required solvent type PU film.
2. The silica gel indwelling needle patch according to claim 1, wherein the polyurethane film layer (2) has a dimension in the long side direction shorter than that of the release paper support layer (1).
3. The silica gel indwelling needle patch according to claim 1, wherein the silica gel adhesive layer (3) is a silica gel pressure sensitive adhesive inert to human body, i.e. the silica gel adhesive layer (3) is a medical silicone pressure sensitive adhesive.
4. The silica gel indwelling needle patch according to claim 1, wherein 120 g of glassine paper is used as the release paper support layer (1).
5. The silica gel indwelling needle patch according to claim 1, wherein the thickness of the polyurethane film layer (2) is 15-35 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552999.6A CN111631861A (en) | 2020-06-17 | 2020-06-17 | Silica gel remaining needle paste |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010552999.6A CN111631861A (en) | 2020-06-17 | 2020-06-17 | Silica gel remaining needle paste |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111631861A true CN111631861A (en) | 2020-09-08 |
Family
ID=72323034
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010552999.6A Pending CN111631861A (en) | 2020-06-17 | 2020-06-17 | Silica gel remaining needle paste |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111631861A (en) |
Citations (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB2131299A (en) * | 1982-10-20 | 1984-06-20 | Smith & Nephew Ass | Adhesive film dressing |
| CN101270196A (en) * | 2007-12-29 | 2008-09-24 | 武汉科技学院 | Process for preparing hygroscopic vapor transmission polyurethane membrane |
| CN101919763A (en) * | 2010-07-27 | 2010-12-22 | 陕西远光高科技有限公司 | Film for fixing retention needles and retention tubes |
| CN102848767A (en) * | 2012-08-24 | 2013-01-02 | 福州茜素喷墨材料有限公司 | Weak solvent or offset printing thermal transfer paper and production process thereof |
| CN202682162U (en) * | 2012-06-08 | 2013-01-23 | 稳健实业(深圳)有限公司 | Waterproof breathable polyurethane foam dressing |
| CN103881362A (en) * | 2014-04-03 | 2014-06-25 | 昆山金有利新材料科技有限公司 | Waterproof breathable polyurethane film and preparation method thereof |
| CN205205069U (en) * | 2015-11-27 | 2016-05-04 | 宁波科莱恩新材料科技有限公司 | Novel double sided adhesive tape |
| CN106118529A (en) * | 2016-06-29 | 2016-11-16 | 广东晶华科技有限公司 | Lattice Racine paper double-side hot-melt adhesive band and preparation method thereof |
| CN107129767A (en) * | 2017-04-01 | 2017-09-05 | 东莞市纳利光学材料有限公司 | A kind of easy-to-draw adhesive tape and preparation method thereof |
| CN206587106U (en) * | 2016-12-01 | 2017-10-27 | 稳健医疗用品股份有限公司 | One kind shield navel patch |
| CN107325747A (en) * | 2017-08-29 | 2017-11-07 | 德阳力久云智知识产权运营有限公司 | A kind of electromagnetic shielding adhesive tape |
| CN206675781U (en) * | 2016-08-30 | 2017-11-28 | 嘉兴富洛美森医用材料有限公司 | A kind of remaining needle patch |
| CN108060614A (en) * | 2017-12-18 | 2018-05-22 | 温州市新丰装饰材料有限公司 | A kind of preparation method of moisture-proof glaxin release paper |
| CN208372018U (en) * | 2017-08-04 | 2019-01-15 | 张丽群 | Medical treatment and nursing application |
| CN208933262U (en) * | 2018-06-11 | 2019-06-04 | 常州昊天新材料科技有限公司 | A kind of protection membrane adhesive tape suitable for attaching curved surface |
-
2020
- 2020-06-17 CN CN202010552999.6A patent/CN111631861A/en active Pending
Patent Citations (15)
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| CN101270196A (en) * | 2007-12-29 | 2008-09-24 | 武汉科技学院 | Process for preparing hygroscopic vapor transmission polyurethane membrane |
| CN101919763A (en) * | 2010-07-27 | 2010-12-22 | 陕西远光高科技有限公司 | Film for fixing retention needles and retention tubes |
| CN202682162U (en) * | 2012-06-08 | 2013-01-23 | 稳健实业(深圳)有限公司 | Waterproof breathable polyurethane foam dressing |
| CN102848767A (en) * | 2012-08-24 | 2013-01-02 | 福州茜素喷墨材料有限公司 | Weak solvent or offset printing thermal transfer paper and production process thereof |
| CN103881362A (en) * | 2014-04-03 | 2014-06-25 | 昆山金有利新材料科技有限公司 | Waterproof breathable polyurethane film and preparation method thereof |
| CN205205069U (en) * | 2015-11-27 | 2016-05-04 | 宁波科莱恩新材料科技有限公司 | Novel double sided adhesive tape |
| CN106118529A (en) * | 2016-06-29 | 2016-11-16 | 广东晶华科技有限公司 | Lattice Racine paper double-side hot-melt adhesive band and preparation method thereof |
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| CN206587106U (en) * | 2016-12-01 | 2017-10-27 | 稳健医疗用品股份有限公司 | One kind shield navel patch |
| CN107129767A (en) * | 2017-04-01 | 2017-09-05 | 东莞市纳利光学材料有限公司 | A kind of easy-to-draw adhesive tape and preparation method thereof |
| CN208372018U (en) * | 2017-08-04 | 2019-01-15 | 张丽群 | Medical treatment and nursing application |
| CN107325747A (en) * | 2017-08-29 | 2017-11-07 | 德阳力久云智知识产权运营有限公司 | A kind of electromagnetic shielding adhesive tape |
| CN108060614A (en) * | 2017-12-18 | 2018-05-22 | 温州市新丰装饰材料有限公司 | A kind of preparation method of moisture-proof glaxin release paper |
| CN208933262U (en) * | 2018-06-11 | 2019-06-04 | 常州昊天新材料科技有限公司 | A kind of protection membrane adhesive tape suitable for attaching curved surface |
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| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200908 |
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| RJ01 | Rejection of invention patent application after publication |