CN115819906A - Crackling mastic composition - Google Patents

Crackling mastic composition Download PDF

Info

Publication number
CN115819906A
CN115819906A CN202111649863.8A CN202111649863A CN115819906A CN 115819906 A CN115819906 A CN 115819906A CN 202111649863 A CN202111649863 A CN 202111649863A CN 115819906 A CN115819906 A CN 115819906A
Authority
CN
China
Prior art keywords
composition
component
crispy
crackling
humectant
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN202111649863.8A
Other languages
Chinese (zh)
Other versions
CN115819906B (en
Inventor
李镔锟
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.)
Yiwu Jubang Toys Co ltd
Original Assignee
Yiwu Jubang Toys Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yiwu Jubang Toys Co ltd filed Critical Yiwu Jubang Toys Co ltd
Priority to CN202111649863.8A priority Critical patent/CN115819906B/en
Priority claimed from CN202111649863.8A external-priority patent/CN115819906B/en
Publication of CN115819906A publication Critical patent/CN115819906A/en
Application granted granted Critical
Publication of CN115819906B publication Critical patent/CN115819906B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Confectionery (AREA)

Abstract

The invention provides a crackling mastic composition which is prepared from a preparation raw material A and a preparation raw material B, wherein the preparation raw material A comprises an adhesive, a cross-linking agent, a filler, a humectant, a preservative and a solvent, the preparation raw material B is a film-forming agent, the preparation raw material A is prepared by uniformly mixing and shaping the component A, spraying the component B on the surface of the mixture, and carrying out ultraviolet curing and drying on the mixture to obtain the composition. According to the crackling daub prepared by the invention, the film-forming agent is used for curing the outside of the daub to form the crackling shell, the hand feeling is smooth, the crackling shell has luster, the crackling shell can make crisp and cracked sound when being kneaded, the touch feeling is novel, and the crackling daub has a certain decompression effect.

Description

Crackling mastic composition
Technical Field
The invention relates to the technical field of C08L29/04, relates to the technical field of toy daub, and particularly relates to a crispy skin daub composition.
Background
Common daub on the market at present, the texture is soft, and toughness elasticity is good, and the difficult fracture that appears that is extruded in atress can regard as children's toy, also can regard as adult to decompress the toy. Chinese patent CN100999603A discloses a toy mud which is prepared from polystyrene acrylonitrile copolymer, polyvinyl alcohol, borax, glycerol, preservative and water, has soft, tough and fine hand feeling, and can be made into various toys and models. Chinese patent CN112708231A discloses an ultralight clay which is prepared from polyvinyl alcohol, polyethylene oxide, citric acid, resin emulsion, foaming powder, calcium carbonate, glycerol and the like as raw materials, and the obtained product has the advantages of good formability, no stickiness, and difficult cracking after drying. However, the mastic compositions disclosed in these patents are single-function, and the applicant has proposed a crispy skin mastic composition based on this, having a hard and crispy outer shell and a soft inner mastic, which is broken at the surface when kneaded, giving a crisp sound and a novel touch.
Disclosure of Invention
The invention provides a crispy daub composition, which is prepared from raw materials comprising a component A and a component B; the component A comprises, by mass, 6-30% of an adhesive, 1.5-25% of a humectant, 0.1-10% of a preservative, and the balance of a solvent; the component B is a film forming agent.
In a preferred embodiment, the component A further comprises 0-1.5% of a cross-linking agent and 0-20% of a filler by mass percentage.
In a preferred embodiment, the adhesive is selected from synthetic resin glues and/or food glues.
In a preferred embodiment, the synthetic resin glue is selected from at least one of PVA, PVP, PVAc, polyacrylamide.
In a preferred embodiment, the average molecular weight of the PVA is from 16000 to 150000.
More preferably, the PVA has an average molecular weight of 50000 to 120000.
In a preferred embodiment, the food gum is selected from at least one of guar gum, starch, xanthan gum, locust bean gum, sodium alginate, carrageenan, sodium carboxymethylcellulose.
In a preferred embodiment, the food gum is guar gum, more preferably the guar gum is a high viscosity guar gum.
In a preferred embodiment, the humectant is selected from at least one of glycerin, sorbitol, propylene glycol, butylene glycol, petrolatum, polyethylene glycol.
In a preferred embodiment, the humectant is a compound of glycerin and sorbitol.
In order to obtain the daub with stronger toughness and better tensile capability, the applicant adds the humectant obtained by compounding glycerol and sorbitol. More preferably, the mass ratio of the glycerol to the sorbitol is (0.2-0.5): 1.
in a preferred embodiment, the mass ratio of glycerin to sorbitol is 0.3.
In a preferred embodiment, the preservative is selected from at least one of phenoxyethanol, sodium benzoate, potassium sorbate, ethylparaben, cason, bronopol, sodium N-hydroxypropyl glycinate, iodopropynyl butylcarbamate.
In a preferred embodiment, the preservative is iodopropynyl butylcarbamate.
In a preferred embodiment, the cross-linking agent is at least one selected from borax, zinc sulfate, sodium sulfate, polybasic organic acids and aldehyde compounds.
In a preferred embodiment, the polybasic organic acid is selected from at least one of citric acid, tartaric acid, oxalic acid, malic acid, ascorbic acid, caffeic acid.
In a preferred embodiment, the cross-linking agent is borax.
In a preferred embodiment, the filler is at least one selected from the group consisting of calcium carbonate, silica micropowder, silica, expanded microspheres, talc, diatomaceous earth, and mica stone powder.
In a preferred embodiment, the shell of the expanded microspheres is selected from at least one of polystyrene-acrylonitrile copolymer, polystyrene-acrylic acid copolymer, in this application, the expanded microspheres are available from Betay Biotech, inc. of Beijing under the model ABT-8-0020.
In a preferred embodiment, the silica is a hydrophilic silica having a specific surface area of 200. + -.20 m 2 And/g, purchased from affluent nanomaterials.
In a preferred embodiment, the solvent is water.
In a preferred embodiment, the B component is a film former; preferably, the film forming agent is selected from at least one of gypsum water, resin-based paint, wax-based material, and soap-based material.
In a preferred embodiment, the film-forming active ingredient of the resin-based coating material is at least one selected from the group consisting of epoxy resins, acrylic resins, modified acrylic resins, polyurethane resins, and modified polyurethane resins.
In a preferred embodiment, the modified acrylic resin is at least one selected from epoxy modified acrylic resin, maleic anhydride modified acrylic resin, silicone modified acrylic resin, and urethane modified acrylic resin.
In a preferred embodiment, the film forming active ingredient of the gypsum water is selected from at least one of raw gypsum water, plaster of Paris water, and anhydrite water.
In a preferred embodiment, the film-forming active ingredient of the wax-based material is selected from at least one of beeswax, carnauba wax, paraffin wax, rosin wax, sugar cane wax.
In a preferred embodiment, the mass ratio of the component A to the component B is 100: (0.1-5).
In the present application, when the film-forming active ingredient in the component B is a resin-based coating, the mass ratio of the component a to the component B is 100: (0.1-1), when the film-forming active ingredient in the component B is gypsum water, the mass ratio of the component A to the component B is 100: (0.1-5), when the active ingredient in the film forming agent in the component B is a wax-based material, the mass ratio of the component A to the component B is 100: (0.1-5).
In a preferred embodiment, the film-forming agent is an epoxy-modified acrylic resin.
In a preferred embodiment, the film forming agent is beeswax.
The applicant discovers in the experimental process that the degree of pricking of fragments after the shell is kneaded can be reduced by using the epoxy modified acrylic resin or the beeswax as the film forming active ingredient of the film forming agent, and supposes that the possible reasons are that the epoxy modified acrylic resin is used as the film forming active ingredient of the film forming agent, an epoxy group on the epoxy modified acrylic resin is likely to open a ring, and the active group on the epoxy modified acrylic resin and the active groups on the raw materials such as foaming microspheres and PVA in the daub improve the combination between the film forming agent and the daub in the presence of intermolecular force, reduce the gap on the interface, reduce the phenomena of fragment lifting and the like after the shell is kneaded, reduce the degree of pricking, and the beeswax is used as the film forming active ingredient of the film forming agent, so that the beeswax is soft in texture and has better fit degree with the daub, and reduce the degree of pricking of fragments after the shell is kneaded.
The invention also provides a preparation method of the crispy gummed soil composition, which comprises the following steps: and uniformly mixing the component A, shaping, spraying the component B on the surface, and carrying out ultraviolet curing and drying to obtain the crackling mastic composition.
Compared with the prior art, the invention has the following beneficial effects:
1. compared with the common clay toy with single touch, the crispy clay prepared by the invention is cured by the film-forming agent outside the clay to form the crispy shell, is smooth in hand feeling and glossy, can make crisp and cracked sound when the shell is kneaded, is novel in touch and has a certain decompression effect.
2. The inner daub of the crackling daub prepared by the method has good toughness. After the shell is kneaded and crushed, the internal daub is fine, smooth and non-sticky, and has refreshing hand feeling.
Detailed Description
Example 1
The embodiment provides a crispy gumming composition, which is prepared from the following raw materials: the component A comprises 22 mass percent of PVA, 1.1 mass percent of borax, 20 mass percent of humectant, 18 mass percent of foaming microspheres, 0.6 mass percent of iodopropynyl butylcarbamate and the balance of water; the component B is epoxy modified acrylic resin.
In the crispy daub composition provided by the embodiment, the component a is uniformly mixed, and then is plasticized, and then the component B is sprayed on the surface, and is subjected to ultraviolet curing and drying, so that the crispy daub composition is obtained.
The PVA is purchased from Taiwan Changchun, and has the brand number of BP24.
The humectant is a compound substance of glycerol and sorbitol, and the mass ratio of the humectant to the humectant is 0.3:1.
the foamed microspheres were purchased from Beijing BaiOu Tai Biotech Co., ltd under the model number ABT-8-0020.
The epoxy modified acrylic resin is purchased from Huang Shanao Shengyuan New Material science and technology Limited, and has the model number of W990s.
The mass ratio of the component A to the component B is 100.
The crispy clay composition prepared by the embodiment has the advantages of good toughness, light weight and convenience in shaping, the surface layer of the composition is crispy, the coating is light and thin, the luster is felt, and the sound is crisp after the composition is kneaded.
Example 2
The embodiment provides a crispy gumming composition, which is prepared from the following raw materials: the component A comprises 22 mass percent of PVA, 1.1 mass percent of borax, 20 mass percent of humectant, 0.6 mass percent of iodopropynyl butylcarbamate and the balance of water supplement; the component B is saturated calcined gypsum water.
In the crispy daub composition provided by the embodiment, the component A is uniformly mixed and then is plasticized, the component B is coated on the surface, and the crispy daub composition is obtained after air drying at room temperature.
The PVA is purchased from Taiwan Changchun, and has the brand number of BP24.
The humectant is a compound substance of glycerol and sorbitol, and the mass ratio of the humectant to the humectant is 0.3:1.
the mass ratio of the component A to the component B is 100.
The crispy clay composition prepared by the embodiment has the advantages that the toughness of the clay is good, the weight is lighter, the surface layer of the composition is crispy, the coating is hard and thick, and the hand is easily pricked by fragments after being kneaded and crushed.
Example 3
The embodiment provides a crispy gumming composition, which is prepared from the following raw materials: the component A comprises 22 mass percent of PVA, 1.1 mass percent of borax, 20 mass percent of humectant, 0.6 mass percent of iodopropynyl alcohol butyl carbamate and the balance of water; the component B is beeswax.
In the crispy daub composition provided by the embodiment, the component a is uniformly mixed and plasticized, then the component B is coated on the surface, and a film is formed at room temperature to obtain the crispy daub composition.
The PVA is purchased from Taiwan Changchun, and has the brand number of BP24.
The humectant is a compound substance of glycerol and sorbitol, and the mass ratio of the humectant to the humectant is 0.3:1.
the mass ratio of the component A to the component B is 100.
The crispy clay composition prepared by the embodiment has the advantages of good toughness, lighter weight, crispy surface layer of the composition, smooth and fine hand feeling, easiness in kneading and crumbling and dull sound in kneading and crumbling.
Example 4
The embodiment provides a crispy gumming composition, which is prepared from the following raw materials: the component A comprises 22 mass percent of PVA, 1.1 mass percent of borax, 20 mass percent of humectant, 0.6 mass percent of iodopropynyl butylcarbamate and the balance of water supplement; the component B is paraffin.
In the crispy daub composition provided by the embodiment, the component A is uniformly mixed and then is plasticized, the component B is coated on the surface, and the crispy daub composition is obtained after film forming is carried out at room temperature.
The PVA is purchased from Changchun, taiwan, and has the brand number of BP24.
The humectant is a compound substance of glycerol and sorbitol, and the mass ratio of the humectant to the humectant is 0.3:1.
the mass ratio of the component A to the component B is 100.
The crispy clay composition prepared by the embodiment has the advantages of good toughness, lighter weight, crispy surface layer of the composition, smooth and fine hand feeling, easiness in kneading and crumbling and dull sound in kneading and crumbling.
Example 5
The embodiment provides a crispy gumming composition, which is prepared from the following raw materials: the component A comprises, by mass, 22% of guar gum, 1.1% of borax, 20% of a humectant, 18% of foamed microspheres, 0.6% of iodopropynyl butylcarbamate and the balance of water; the component B is epoxy modified acrylic resin.
In the crispy daub composition provided by the embodiment, the component a is uniformly mixed, and then is plasticized, and then the component B is sprayed on the surface, and is subjected to ultraviolet curing and drying, so that the crispy daub composition is obtained.
Wherein guar gum is purchased from sangda, india, under the brand name: GUARSAR 501.CAS number 9000-30-0.
The humectant is a compound substance of glycerol and sorbitol, and the mass ratio of the humectant to the humectant is 0.3:1.
the foamed microspheres were purchased from Beijing BaiOu Tai Biotech Co., ltd under the model number ABT-8-0020.
The epoxy modified acrylic resin is purchased from Huang Shanao Shengyuan New Material science and technology limited, and is in a model of W990s.
The mass ratio of the component A to the component B is 100.
The crispy clay composition prepared by the embodiment has the advantages that the clay is softer, the weight is lighter, the shaping is convenient, the crispy surface layer of the composition is light and thin in coating, the luster is good, and the sound is crisp after the composition is kneaded.
Example 6
The embodiment provides a crispy clay composition, which is prepared from the following raw materials: the component A comprises, by mass, 22% of guar gum, 1.1% of borax, 20% of a humectant, 18% of foamed microspheres, 0.6% of iodopropynyl butylcarbamate and the balance of water; the component B is saturated calcined gypsum water.
In the crispy gumming slurry composition provided by the embodiment, the component A is uniformly mixed and plasticized, then the component B is coated on the surface, and the crispy gumming slurry composition is obtained after air drying at room temperature.
Wherein guar gum is purchased from sangda, india, under the brand name: GUARSAR 501.CAS number 9000-30-0.
The foamed microspheres were purchased from Beijing BaiOu Tai Biotech Co., ltd under the model number ABT-8-0020.
The humectant is a compound substance of glycerol and sorbitol, and the mass ratio of the humectant to the humectant is 0.3:1.
the mass ratio of the component A to the component B is 100.
The crispy rubber and clay composition prepared by the embodiment is softer in clay, lighter in weight and convenient to shape, the coating of the crispy rubber and clay on the surface of the composition is harder and has a heavy feeling, and the crumbs are easy to prick hands after being kneaded and broken.
Example 7
The embodiment provides a crispy gumming composition, which is prepared from the following raw materials: the component A comprises 7 mass percent of guar gum, 0.3 mass percent of borax, 15 mass percent of humectant, 0.6 mass percent of iodopropynyl butylcarbamate and the balance of water; the component B is gypsum water.
In the crispy gumming slurry composition provided by the embodiment, the component A is uniformly mixed and plasticized, then the component B is coated on the surface, and the crispy gumming slurry composition is obtained after air drying at room temperature.
Wherein guar gum is purchased from sangda, india under the brand: guarstar 501.CAS number 9000-30-0.
The humectant is a compound substance of glycerol and sorbitol, and the mass ratio of the humectant to the humectant is 0.3:1.
the mass ratio of the component A to the component B is 100.
The crispy crust daub composition prepared by the embodiment has the advantages that the daub is softer and lighter, the surface layer of the composition is crispy, the coating is harder and has a heavy feeling, and the hand is easily pricked by fragments after being kneaded.
Example 8
The embodiment provides a crispy gumming composition, which is prepared from the following raw materials: the component A comprises 7 mass percent of guar gum, 0.3 mass percent of borax, 15 mass percent of humectant, 0.6 mass percent of iodopropynyl butylcarbamate and the balance of water; the component B is beeswax.
In the crispy daub composition provided by the embodiment, the component A is uniformly mixed and then is plasticized, the component B is coated on the surface, and the crispy daub composition is obtained after film forming is carried out at room temperature.
Wherein guar gum is purchased from sangda, india, under the brand name: GUARSAR 501.CAS number 9000-30-0.
The humectant is a compound substance of glycerol and sorbitol, and the mass ratio of the humectant to the humectant is 0.3:1.
the mass ratio of the component A to the component B is 100.
The crispy clay composition prepared by the embodiment has the advantages that the clay is softer and lighter, the crispy clay on the surface layer of the composition is smooth and delicate in hand feeling and easy to knead and smash, and the kneading sound is quite stuffy.
Example 9
The embodiment provides a crispy gumming composition, which is prepared from the following raw materials: the component A comprises 7 mass percent of guar gum, 0.3 mass percent of borax, 15 mass percent of humectant, 15 mass percent of silicon dioxide, 0.6 mass percent of iodopropynyl butylcarbamate and the balance of water; the component B is gypsum water.
In the crispy gumming slurry composition provided by the embodiment, the component A is uniformly mixed and plasticized, then the component B is coated on the surface, and the crispy gumming slurry composition is obtained after air drying at room temperature.
Wherein guar gum is purchased from sangda, india, under the brand name: GUARSAR 501.CAS number 9000-30-0.
The humectant is a compound substance of glycerol and sorbitol, and the mass ratio of the humectant to the humectant is 0.3:1.
the silicon dioxide is hydrophilic silicon dioxide with a specific surface area of 200 +/-20 m 2 And/g, purchased from affluent nanomaterials.
The mass ratio of the component A to the component B is 100.
The crispy rubber and clay composition prepared by the embodiment is softer in clay, lighter in weight and easy to shape, the surface layer of the composition is crispy, the coating is harder and has a heavy feeling, and the hand is easily pricked by fragments after being kneaded and crushed.

Claims (10)

1. The crispy gummy composition is characterized in that raw materials for preparing the composition comprise a component A and a component B; the component A comprises 6-30% of adhesive, 1.5-25% of humectant, 0.1-10% of preservative and the balance of solvent by mass percentage; the component B is a film forming agent.
2. The crispy gumming composition according to claim 1, wherein the component A further comprises 0-1.5% of a cross-linking agent and 0-20% of a filler in percentage by mass.
3. Crispy gum composition according to any of claims 1-2, wherein the glue is selected from synthetic resin glue and/or food glue.
4. The crackling mastic composition of any one of claims 1-2, wherein the film former is selected from at least one of gypsum water, resin-based coatings, wax-based materials, soap-based materials.
5. The crackling glue composition of claim 3, wherein said synthetic resin glue is selected from at least one of PVA, PVP, PVAc, polyacrylamide.
6. The crispy gum composition of claim 3, wherein said food gum is selected from at least one of guar gum, starch, xanthan gum, locust bean gum, sodium alginate, carrageenan, sodium carboxymethylcellulose.
7. The crisp gum composition of claim 5, wherein the PVA has an average molecular weight of 16000-150000.
8. The crispy gummy composition of claim 4, wherein the film forming active ingredient of the resin-based coating is at least one selected from the group consisting of epoxy resin, acrylic resin, modified acrylic resin, polyurethane resin, and modified polyurethane resin.
9. The crackling mastic composition of claim 4, wherein the film forming active ingredient of the gypsum water is selected from at least one of the group consisting of gypsum water, plaster of Paris, and anhydrite water.
10. The crispy gummy composition of claim 2, wherein said filler is at least one selected from the group consisting of calcium carbonate, silica fume, silica dioxide, expanded microspheres, talc, diatomaceous earth, and mica stone powder.
CN202111649863.8A 2021-12-30 Crispy clay composition Active CN115819906B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202111649863.8A CN115819906B (en) 2021-12-30 Crispy clay composition

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111649863.8A CN115819906B (en) 2021-12-30 Crispy clay composition

Publications (2)

Publication Number Publication Date
CN115819906A true CN115819906A (en) 2023-03-21
CN115819906B CN115819906B (en) 2024-05-24

Family

ID=

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1676543A (en) * 2004-03-31 2005-10-05 艾朋产业有限会社 Clay and producing method and product
CN100999603A (en) * 2007-01-08 2007-07-18 杜京财 Light non-toxic plasticine and preparation process thereof
CN101708977A (en) * 2009-10-16 2010-05-19 深圳云之彩美术工艺用品有限公司 Pearl clay
CN101955622A (en) * 2009-09-29 2011-01-26 深圳云之彩美术工艺用品有限公司 Light-weight clay
CN112679894A (en) * 2020-12-24 2021-04-20 快思瑞科技(上海)有限公司 Boron-free and nontoxic toy ultralight clay and preparation method thereof
CN112708231A (en) * 2020-12-24 2021-04-27 快思瑞科技(上海)有限公司 Environment-friendly nontoxic ultralight clay and preparation method thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1676543A (en) * 2004-03-31 2005-10-05 艾朋产业有限会社 Clay and producing method and product
CN100999603A (en) * 2007-01-08 2007-07-18 杜京财 Light non-toxic plasticine and preparation process thereof
CN101955622A (en) * 2009-09-29 2011-01-26 深圳云之彩美术工艺用品有限公司 Light-weight clay
CN101708977A (en) * 2009-10-16 2010-05-19 深圳云之彩美术工艺用品有限公司 Pearl clay
CN112679894A (en) * 2020-12-24 2021-04-20 快思瑞科技(上海)有限公司 Boron-free and nontoxic toy ultralight clay and preparation method thereof
CN112708231A (en) * 2020-12-24 2021-04-27 快思瑞科技(上海)有限公司 Environment-friendly nontoxic ultralight clay and preparation method thereof

Similar Documents

Publication Publication Date Title
WO1980000662A1 (en) Golf ball and manufacture thereof
CN101768314B (en) Water-solubility plasticine composition and preparation method thereof
CN105924761B (en) A kind of plant fibre powder modified EVA composite foam material and preparation method thereof
CN105504360A (en) High-moisturizing food-grade plasticine powder and preparation method thereof
KR20060093902A (en) Composition of light weight modeling material with low viscosity
CN115819906A (en) Crackling mastic composition
CN101691806A (en) Elastic floor and production method thereof
KR101103849B1 (en) Method for manufacturing the handicraft clay and the handicraft clay made thereby
CN115819906B (en) Crispy clay composition
EP3443034B1 (en) Composition
JPS60106470A (en) Non-pressure tennis ball
CN104479268B (en) Nontoxic light-weight color mud and preparation method
JP4537867B2 (en) Clay with excellent water resistance
CN106496892A (en) Without Borax craft material blends and preparation method
CN103992555B (en) A kind of anti-freeze type imitated cream glue and preparation method
KR20050080293A (en) Manufacturing method of handicraft clay and clay manufactured by the method
CN115819905B (en) High-performance degradable decompression cement gum
CN111534122A (en) Clay cement with high safety performance
CN115819905A (en) High-performance degradable decompression daub
CN102863181A (en) Mud flower material for furniture or decorative material
KR101946216B1 (en) Modelling material containing ozokerite
CN107031147A (en) A kind of bathroom elastic mould proof waterproof roll and preparation method
JPH0226995B2 (en)
JP2767343B2 (en) Method for producing bark-like and wood-like sheet
CN117777557A (en) Preparation method of environment-friendly degradable clay

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant