CN208898779U - A kind of optical grade AB glue band - Google Patents
A kind of optical grade AB glue band Download PDFInfo
- Publication number
- CN208898779U CN208898779U CN201821531626.5U CN201821531626U CN208898779U CN 208898779 U CN208898779 U CN 208898779U CN 201821531626 U CN201821531626 U CN 201821531626U CN 208898779 U CN208898779 U CN 208898779U
- Authority
- CN
- China
- Prior art keywords
- film
- optical grade
- optical
- grade
- sensitive adhesive
- 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.)
- Active
Links
- 230000003287 optical effect Effects 0.000 title claims abstract description 56
- 239000003292 glue Substances 0.000 title claims abstract description 39
- 239000010410 layer Substances 0.000 claims abstract description 31
- 239000004820 Pressure-sensitive adhesive Substances 0.000 claims abstract description 29
- 229920001169 thermoplastic Polymers 0.000 claims abstract description 20
- 239000004416 thermosoftening plastic Substances 0.000 claims abstract description 20
- 238000004049 embossing Methods 0.000 claims abstract description 18
- 229920002635 polyurethane Polymers 0.000 claims abstract description 13
- 239000004814 polyurethane Substances 0.000 claims abstract description 13
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 12
- 238000009736 wetting Methods 0.000 claims abstract description 11
- 239000003595 mist Substances 0.000 claims description 5
- 238000002834 transmittance Methods 0.000 claims description 5
- 239000004433 Thermoplastic polyurethane Substances 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 4
- -1 polybutylene terephthalate Polymers 0.000 claims description 4
- 229920001707 polybutylene terephthalate Polymers 0.000 claims description 4
- 229920000193 polymethacrylate Polymers 0.000 claims description 4
- 229920000098 polyolefin Polymers 0.000 claims description 4
- 229920002803 thermoplastic polyurethane Polymers 0.000 claims description 4
- 229920006289 polycarbonate film Polymers 0.000 claims description 2
- KKEYFWRCBNTPAC-UHFFFAOYSA-N Terephthalic acid Chemical compound OC(=O)C1=CC=C(C(O)=O)C=C1 KKEYFWRCBNTPAC-UHFFFAOYSA-N 0.000 claims 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 229910052799 carbon Inorganic materials 0.000 claims 1
- 150000002148 esters Chemical class 0.000 claims 1
- 239000011521 glass Substances 0.000 abstract description 21
- 238000013022 venting Methods 0.000 abstract description 5
- 239000002390 adhesive tape Substances 0.000 abstract description 3
- 238000005187 foaming Methods 0.000 abstract description 3
- 238000010030 laminating Methods 0.000 abstract description 3
- 239000005341 toughened glass Substances 0.000 abstract description 3
- 238000012360 testing method Methods 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 239000000853 adhesive Substances 0.000 description 4
- 230000001070 adhesive effect Effects 0.000 description 4
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 3
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 3
- 238000000576 coating method Methods 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000011505 plaster Substances 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 238000005496 tempering Methods 0.000 description 2
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- 229920002799 BoPET Polymers 0.000 description 1
- 241000270722 Crocodylidae Species 0.000 description 1
- 241000270295 Serpentes Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- LNNWVNGFPYWNQE-GMIGKAJZSA-N desomorphine Chemical compound C1C2=CC=C(O)C3=C2[C@]24CCN(C)[C@H]1[C@@H]2CCC[C@@H]4O3 LNNWVNGFPYWNQE-GMIGKAJZSA-N 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920000515 polycarbonate Polymers 0.000 description 1
- 239000004417 polycarbonate Substances 0.000 description 1
- 238000002791 soaking Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- 239000006058 strengthened glass Substances 0.000 description 1
Landscapes
- Adhesive Tapes (AREA)
- Laminated Bodies (AREA)
- Adhesives Or Adhesive Processes (AREA)
Abstract
The utility model discloses a kind of optical grade AB glue bands, are related to optical adhesive tape field.The utility model is made of following five-layer structure from top to bottom: release film, optical grade organosilicon or polyurethane can be removed from wetting pressure-sensitive adhesive layer, optical grade thermoplastic film, optical-grade acrylic pressure-sensitive adhesive layer, embossing release film.The utility model enhances the venting quality during pressure-sensitive glue laminating, avoids and generate foaming phenomena during being bonded to tempered glass, especially 2.5D/3D bend glass by using embossing release film on one side in non-removable pressure sensitive adhesive.
Description
Technical field
The utility model belongs to optical adhesive tape field, more particularly to a kind of optical grade AB glue band, in particular to a kind of energy
There is the optical grade AB glue band of good adhesion to unorganic glass and organic plastics product.
Background technique
In recent years, to reach better display effect and using feel, intelligent electronic device screen is gradually put down from simple
Face type glass screen to 2.5D/3D curved face type glass screen develop, consequently also expedited the emergence of a series of pairs of curved face type glass screens into
The industry of row protection, curve tempering protective film are exactly one of them.
Currently, being mainly bonded in the market as intermediate adhesives by protection screen and song using a kind of optical grade AB glue band
Face toughened protective film, the structure of the AB glue band are mainly shown as that coated on one side organosilicon or polyurethane in thermoplastic film are removable
Except pressure sensitive adhesive is soaked certainly, in the non-removable pressure sensitive adhesive of another side coating solvent type acrylic acid of thermoplastic film.Reality is to curved surface
When screen is protected, pressure-sensitive glue surface plaster can be removed and close by protection curve screens, non-removable pressure-sensitive glue surface plaster closes curve tempering
Glass.But this pressure sensitive AB glue alternate product is unfavorable for filling glass during being bonded 2.5D/3D curved strengthened glass
The relief region on surface is easy to happen blistering, especially curvature portion and is easier to blister, and yields is low.Therefore market compels to be essential
Want a kind of new solution for being able to solve existing AB glue alternate product problem.
Utility model content
The purpose of this utility model is to provide a kind of optical grade AB glue bands, by using in non-removable pressure sensitive adhesive one side
Embossing release film enhances the venting quality during pressure-sensitive glue laminating, avoids bent to tempered glass, especially 2.5D/3D
Foaming phenomena is generated during surface glass fitting.
In order to solve the above technical problems, the utility model is achieved through the following technical solutions:
The utility model is a kind of optical grade AB glue band, is made of from top to bottom following five-layer structure: release film, optical grade
Organosilicon or polyurethane can be removed from wetting pressure-sensitive adhesive layer, optical grade thermoplastic film, optical-grade acrylic pressure-sensitive adhesive layer, embossing
Release film.
Further, the optical grade organosilicon or polyurethane can be removed from wetting pressure-sensitive adhesive layer with a thickness of 20um-
200um。
Further, the optical grade thermoplastic film includes pet film, gathers to benzene two
Formic acid butanediol ester film, thermoplastic polyurethane film, polycarbonate film, polymethacrylates film and polyolefin film
One of.
Further, the optical grade thermoplastic film with a thickness of 10-500um, the optical grade thermoplastic film choosing
Use pet film.
Further, the optical grade thermoplastic film includes at least 2 layers of structural membrane composition；The structural membrane is selected from
Pet film, polybutylene terephthalate (PBT) film, thermoplastic polyurethane film, polycarbonate are thin
One of film, polymethacrylates film and polyolefin film.
Further, the optical-grade acrylic pressure-sensitive adhesive layer is with a thickness of 30-400um, and full light light transmittance > 90%,
Mist degree<1%, 180o peeling force>10N/inch.
Further, the release film and embossing release film thickness are 30-300um；The embossing release film surface is set
There is lines.
Further, the lines is waveform lines, and the distance between two neighboring wave crest is preferably 0.2-5mm, wave
The highly preferred of peak is 0.05-1mm.
Further, the type of the waveform lines include twill, cross pattern, reticulate pattern, stone pattern, lichee line, snake,
One of crocodile line.
The utility model has the following beneficial effects:
The utility model enhances pressure-sensitive glue laminating process by using embossing release film on one side in non-removable pressure sensitive adhesive
In venting quality, avoid to tempered glass, especially 2.5D/3D bend glass be bonded during generate foaming phenomena；Together
When by what the lines being equipped with increased embossing release film and optical-grade acrylic pressure-sensitive adhesive layer be bonded effect.
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Detailed description of the invention
In order to illustrate more clearly of the technical solution of the utility model embodiment, make required for being described below to embodiment
Attached drawing is briefly described, it should be apparent that, the drawings in the following description are merely some embodiments of the present invention,
For those of ordinary skill in the art, without creative efforts, it can also be obtained according to these attached drawings
Other attached drawings.
Fig. 1 is the utility model AB glue band structure schematic diagram；
Fig. 2 is AB glue band structure schematic diagram in the utility model embodiment 3.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts
All other embodiment obtained, fall within the protection scope of the utility model.
Embodiment 1
As shown in Figure 1, the utility model is a kind of optical grade AB glue band, it is made of from top to bottom following five-layer structure: from
Type film 1, optical grade organosilicon or polyurethane can be removed from wetting pressure-sensitive adhesive layer 2, optical grade thermoplastic film 3, optical grade propylene
Sour pressure-sensitive adhesive layer 4, embossing release film 5.
Wherein, 5 surface of embossing release film is equipped with lines, and lines is cross waveform lines.
A kind of optical grade AB glue band preparation process:
(1) preparation of first base material
Optical grade organosilicon or polyurethane can be removed from wetting pressure sensitive adhesive and uniformly applied using slit extruded type coating method
Cloth 1 on the release film with a thickness of 50um, obtain 30um optical grade organosilicon after drying or polyurethane can be removed it is pressure-sensitive from soaking
Glue-line 2, and it is compound with 50um optics grade thermoplastic PET film, it is spare to obtain first base material；
(2) preparation of AB glue band
Optical-grade acrylic pressure-sensitive glue is evenly coated in a thickness of on 50um embossing release film, baking oven baking and curing at
30um optical-grade acrylic pressure-sensitive adhesive layer 4 is wound after the another side of the thermoplastic film of compound first base material, and optical grade AB is made
Adhesive tape.
Embodiment 2
As shown in Figure 1, the utility model is a kind of optical grade AB glue band, it is made of from top to bottom following five-layer structure: from
Type film 1, optical grade organosilicon or polyurethane can be removed from wetting pressure-sensitive adhesive layer 2, optical grade thermoplastic film 3, optical grade propylene
Sour pressure-sensitive adhesive layer 4, embossing release film 5.
Wherein, 5 surface of embossing release film is equipped with cross waveform lines.
Wherein, release film 1 can be removed with a thickness of 50um, optical grade organosilicon or polyurethane from wetting 2 thickness of pressure-sensitive adhesive layer
For 30um, optical grade thermoplastic film 3 with a thickness of 50um, optical-grade acrylic pressure-sensitive adhesive layer 4 with a thickness of 50um, emboss from
Type film 5 with a thickness of 50um.
Wherein, the preparation method is the same as that of Example 1.
Embodiment 3
As shown in Fig. 2, the utility model is a kind of optical grade AB glue band, it is made of from top to bottom following five-layer structure: from
Type film 1, optical grade organosilicon or polyurethane can be removed from wetting pressure-sensitive adhesive layer 2, optical grade thermoplastic film 3, optical grade propylene
Sour pressure-sensitive adhesive layer 4, common release film 6.
Wherein, release film 1 can be removed with a thickness of 50um, optical grade organosilicon or polyurethane from wetting 2 thickness of pressure-sensitive adhesive layer
For 30um, optical grade thermoplastic film 3 with a thickness of 50um, optical-grade acrylic pressure-sensitive adhesive layer 4 with a thickness of 30um, commonly from
Type film 6 with a thickness of 50um.
Wherein, common release film 6 is non-embossing release film.
Wherein, the preparation method is the same as that of Example 1.
Embodiment 4, performance test:
Sample is cut using the optical grade AB glue band of above-mentioned preparation, sample size is as follows:
A) 25mm breadth, 200mm length are used for test item 1.
B) protect glass or curve screens same size size to be die cut according to curved surface, for test item 2~
4。
All of above operation is carried out in dust free room, and the environment temperature of dust free room is 23 ± 2 DEG C, and humidity is 80~85%,
Light source (in addition to ultraviolet light curing apparatus) used is both needed to carry out ultraviolet light filtration treatment in dust free room.
1:180 ° of peeling force of test item
It is measured according to ASTM D3330 method, the ultraviolet curing type AB glue band of 25mm breadth is used into 2kg rubber
Roller rolls once back and forth, ultraviolet cured adhesive face paste is bonded on curved surface protection glass, 23 DEG C of temperature, humidity 50%RH condition
Lower placement uses peeling force measurement device (Instron type cupping machine, Shimadzu Seisakusho Ltd.) after at least 2 hours, in peel angle
180 °, removed under conditions of peeling rate 300mm/min, test 180 ° of peeling forces, wherein using the average value of N=3 as
Measured value.
Test item 2: mist degree
It is measured according to ASTM D1003 method, ultraviolet curing type AB glue band is die-cut to protect glass same with curved surface
Ultraviolet cured adhesive face paste is bonded on curved surface protection glass, 23 DEG C of temperature, humidity 50%RH condition by sample ruler cun using make-up machine
Lower placement is measured after at least 2 hours using color difference meter (HunterLab company).
Test item 3: total light transmittance
It is measured according to ASTM D1003 method, ultraviolet curing type AB glue band is die-cut to protect glass same with curved surface
Ultraviolet cured adhesive face paste is bonded on curved surface protection glass, 23 DEG C of temperature, humidity 50%RH condition by sample ruler cun using make-up machine
Lower placement is measured after at least 2 hours using color difference meter (HunterLab company).
Test item 4: to the venting quality of bend glass (especially 2.5D/3D bend glass)
Ultraviolet curing type AB glue band is die-cut to protect glass same size with curved surface, using make-up machine by UV light
Change type glue surface conforms on curved surface protection glass, existing with the presence or absence of blistering using glass surface, especially curvature portion is visually observed
As the test repeats sample preparation 100 times every time, and statistics contains bladdery sample number, and statistical result is expressed as containing bladdery sample
Number/100.
Test result statistics is as shown below:
As seen from the above table, the thickness for increasing optical-grade acrylic pressure-sensitive adhesive layer 4 will affect 180 ° of strippings of optical grade AB glue band
From power, mist degree and total light transmittance；Simultaneously by substituting embossing release film with common release film, to optical grade AB glue band
180 ° of peeling forces, mist degree and total light transmittance all have no significant effect, but will affect venting quality when being bonded to bend glass.
In the description of this specification, the description of reference term " one embodiment ", " example ", " specific example " etc. means
Particular features, structures, materials, or characteristics described in conjunction with this embodiment or example are contained at least one of the utility model
In embodiment or example.In the present specification, schematic expression of the above terms be not necessarily referring to identical embodiment or
Example.Moreover, particular features, structures, materials, or characteristics described can be in any one or more embodiment or examples
In can be combined in any suitable manner.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, also not limiting the utility model is only the specific embodiment.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, so that skilled artisan be enable to better understand and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (7)
1. a kind of optical grade AB glue band, it is characterised in that: be made of from top to bottom following five-layer structure: release film (1), optical grade
Organosilicon or polyurethane can be removed from wetting pressure-sensitive adhesive layer (2), optical grade thermoplastic film (3), optical-grade acrylic pressure sensitive adhesive
Layer (4), embossing release film (5).
2. a kind of optical grade AB glue band according to claim 1, which is characterized in that the optical grade organosilicon or polyurethane
It can be removed from wetting pressure-sensitive adhesive layer (2) with a thickness of 20um-200um.
3. a kind of optical grade AB glue band according to claim 1, which is characterized in that the optical grade thermoplastic film (3)
It include pet film, polybutylene terephthalate (PBT) film, thermoplastic polyurethane film, poly- carbon
One of acid esters film, polymethacrylates film and polyolefin film.
4. a kind of optical grade AB glue band according to claim 1 or 3, which is characterized in that the optical grade thermoplastic film
(3) with a thickness of 10-500um, the optical grade thermoplastic film (3) selects pet film.
5. a kind of optical grade AB glue band according to claim 1, which is characterized in that the optical grade thermoplastic film (3)
It is formed including at least 2 layers of structural membrane；The structural membrane is selected from pet film, poly terephthalic acid
In butanediol ester film, thermoplastic polyurethane film, polycarbonate film, polymethacrylates film and polyolefin film
It is a kind of.
6. a kind of optical grade AB glue band according to claim 1, which is characterized in that the optical-grade acrylic pressure-sensitive adhesive layer
(4) with a thickness of 30-400um, and full light light transmittance>90%, mist degree<1%, 180o peeling force>10N/inch.
7. a kind of optical grade AB glue band according to claim 1, which is characterized in that the release film (1) and embossing release
Film (5) thickness is 30-300um；Embossing release film (5) surface is equipped with lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821531626.5U CN208898779U (en) | 2018-09-19 | 2018-09-19 | A kind of optical grade AB glue band |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821531626.5U CN208898779U (en) | 2018-09-19 | 2018-09-19 | A kind of optical grade AB glue band |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208898779U true CN208898779U (en) | 2019-05-24 |
Family
ID=66572897
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821531626.5U Active CN208898779U (en) | 2018-09-19 | 2018-09-19 | A kind of optical grade AB glue band |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208898779U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111334217A (en) * | 2020-05-18 | 2020-06-26 | 苏州世华新材料科技股份有限公司 | Regionally cured high-filling AB adhesive, and preparation method and application thereof |
| CN116023866A (en) * | 2023-01-13 | 2023-04-28 | 苏州佳值电子工业有限公司 | High weather-proof ultrathin adhesive tape convenient to attach |
-
2018
- 2018-09-19 CN CN201821531626.5U patent/CN208898779U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111334217A (en) * | 2020-05-18 | 2020-06-26 | 苏州世华新材料科技股份有限公司 | Regionally cured high-filling AB adhesive, and preparation method and application thereof |
| CN111334217B (en) * | 2020-05-18 | 2020-08-04 | 苏州世华新材料科技股份有限公司 | Regionally cured high-filling AB adhesive, and preparation method and application thereof |
| CN116023866A (en) * | 2023-01-13 | 2023-04-28 | 苏州佳值电子工业有限公司 | High weather-proof ultrathin adhesive tape convenient to attach |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP6850601B2 (en) | Image display device | |
| JP6580315B2 (en) | Optical film with double-sided pressure-sensitive adhesive, method for producing image display device using the same, and curl suppression method for optical film with double-sided pressure-sensitive adhesive | |
| CN104718262B (en) | Device used for image display adhesion sheet material, the manufacture method of image display device and image display device | |
| JP6934296B2 (en) | Polarizing plate with adhesive and image display device | |
| CN208898779U (en) | A kind of optical grade AB glue band | |
| CN101998982A (en) | Transparent adhesive sheet and image display device including the same | |
| WO2021136270A1 (en) | Flexible display device and method for preparing same | |
| JP2010117903A (en) | Method for manufacturing transparent touch panel input side transparent resin substrate | |
| CN102702988A (en) | Method for manufacturing adhesive composition, adhesive composition and adhesive tape | |
| JP2012153788A (en) | Optical adhesive sheet | |
| CN204605074U (en) | A kind of without base material AB glued membrane | |
| JP2011162659A (en) | Adhesive composition, adhesive film, and method for producing adhesive composition and adhesive film | |
| CN107004383A (en) | Surface protection panel double-faced pressure-sensitive adhesive sheet and surface protection panel | |
| JP2010264748A (en) | Unevenness follow-up laminated member and display device with touch panel using the same | |
| KR101533882B1 (en) | Non-carrier type shading film and its manufacturing method | |
| JP5060058B2 (en) | Protective sheet for information display surface and method for manufacturing protective sheet | |
| JP2016113506A (en) | Silicone rubber film as stress relaxation layer and flexible device having the same | |
| JP6456717B2 (en) | Adhesive tape | |
| CN106170522A (en) | Double-faced pressure-sensitive adhesive sheet and optical component | |
| KR100969620B1 (en) | Film for preventing damage, alerating desingn and blocking out noxious wave | |
| CN113278373A (en) | Multifunctional adhesive tape and preparation method thereof | |
| TWI521037B (en) | Optical adhesive composition, optical adhesive film and optical laminate | |
| JP2014214280A (en) | Manufacturing method of optical member | |
| CN202924088U (en) | Anti-glare protection film | |
| KR100985148B1 (en) | Surface protective sheet and manufacturing method of the same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Xingtai Financial Leasing Co.,Ltd. Assignor: ANHUI YICHENG MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. Contract record no.: X2021340000017 Denomination of utility model: An optical grade AB tape Granted publication date: 20190524 License type: Exclusive License Record date: 20210625 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An optical grade AB tape Effective date of registration: 20210625 Granted publication date: 20190524 Pledgee: Anhui Xingtai Financial Leasing Co.,Ltd. Pledgor: ANHUI YICHENG MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021980005422 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220718 Granted publication date: 20190524 Pledgee: Anhui Xingtai Financial Leasing Co.,Ltd. Pledgor: ANHUI YICHENG MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2021980005422 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Anhui Xingtai Financial Leasing Co.,Ltd. Assignor: ANHUI YICHENG MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. Contract record no.: X2021340000017 Date of cancellation: 20220801 |
|
| EC01 | Cancellation of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Anhui Xingtai Financial Leasing Co.,Ltd. Assignor: ANHUI YICHENG MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. Contract record no.: X2023980035545 Denomination of utility model: An optical grade AB tape Granted publication date: 20190524 License type: Exclusive License Record date: 20230518 |
|
| EE01 | Entry into force of recordation of patent licensing contract | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: An optical grade AB tape Effective date of registration: 20230519 Granted publication date: 20190524 Pledgee: Anhui Xingtai Financial Leasing Co.,Ltd. Pledgor: ANHUI YICHENG MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2023980041169 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Anhui Xingtai Financial Leasing Co.,Ltd. Assignor: ANHUI YICHENG MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. Contract record no.: X2023980035545 Date of cancellation: 20240626 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20190524 Pledgee: Anhui Xingtai Financial Leasing Co.,Ltd. Pledgor: ANHUI YICHENG MATERIAL SCIENCE & TECHNOLOGY Co.,Ltd. Registration number: Y2023980041169 |