CN111077599B - Lens with blue light, ultraviolet and glare preventing effects and manufacturing method thereof - Google Patents
Lens with blue light, ultraviolet and glare preventing effects and manufacturing method thereof Download PDFInfo
- Publication number
- CN111077599B CN111077599B CN201911006701.5A CN201911006701A CN111077599B CN 111077599 B CN111077599 B CN 111077599B CN 201911006701 A CN201911006701 A CN 201911006701A CN 111077599 B CN111077599 B CN 111077599B
- Authority
- CN
- China
- Prior art keywords
- lens
- parts
- ultraviolet
- weight
- blue light
- 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
Images
Classifications
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B1/00—Optical elements characterised by the material of which they are made; Optical coatings for optical elements
- G02B1/04—Optical elements characterised by the material of which they are made; Optical coatings for optical elements made of organic materials, e.g. plastics
- G02B1/041—Lenses
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
- B29D11/00—Producing optical elements, e.g. lenses or prisms
- B29D11/00009—Production of simple or compound lenses
- B29D11/00278—Lenticular sheets
Abstract
The invention provides a lens with blue light, ultraviolet and anti-dazzle effects and a manufacturing method thereof, wherein the lens comprises the following components: 23.4 parts by weight of methacryloyloxyethyl phosphate; 30 parts by weight of propylene oxide; 3.2 parts by weight of an alpha-methylstyrene linear dimer; 15 parts of neodymium acetate; 7 parts of ethyl acetoacetate; 0.01 part by weight of an initiator; and 21.4 parts of purified water. The application provides a prevent lens of anti-dazzle effect of blue light anti-ultraviolet, is the anti-dazzle lens of anti-ultraviolet of preventing blue light that adopts the characteristic of material itself, consequently, has solved traditional coating film lens along with the loss of mirror surface rete in the use with ageing, and then has reduced the protective effect to eyes. The application can greatly improve the product protection effect, and also prolongs the service life and the reliability and stability of the product, thereby being obviously superior to the similar resin lenses in the market.
Description
Technical Field
The invention belongs to the technical field of lens manufacturing, and particularly relates to a lens with blue light prevention, ultraviolet prevention and anti-glare effects and a manufacturing method thereof.
Background
Ultraviolet rays can cause damage to the eyes and long-term ultraviolet irradiation can cause cataract. Similarly, blue light is high-energy visible light with a wavelength of 400 to 500nm, and the higher the blue light radiation component is, the more harmful the visual cells are, the blurred the image of the retina is, and visual fatigue is caused. Under the action of ultraviolet rays and blue light, the vision is gradually reduced, and early cataract and spontaneous macular degeneration such as dry eyes, photophobia and fatigue are easily caused. When the vehicle runs at night, if a high-power vehicle lamp is adopted for the opposite vehicle, a driver can feel dazzling, and the normal state is difficult to recover visually within a long period of time, so that traffic accidents are very easy to cause.
In order to solve the above problems, in the optical lens manufactured in the prior art, it is generally adopted to plate various functional films, such as an ultraviolet-proof film, a blue-light-proof film, an anti-glare film, and the like, on the outer surface of the lens substrate, thereby increasing the functionality of the optical lens. However, the optical lens manufactured by the coating method has a problem of complicated manufacturing process because of the need of coating a plurality of layers.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a lens with blue light, ultraviolet and anti-glare effects and a manufacturing method thereof, which can effectively solve the problems.
The technical scheme adopted by the invention is as follows:
the invention provides a lens with blue light, ultraviolet and anti-dazzle effects, which comprises the following raw materials in parts by weight:
preferably, the feed comprises the following raw materials in parts by weight:
preferably, the initiator is a free radical initiator.
The invention also provides a manufacturing method of the lens with blue light, ultraviolet and anti-dazzle effects, which comprises the following steps:
step 1, manufacturing a resin monomer, comprising the steps of:
step 1.1, weighing methacryloyloxyethyl phosphate, propylene oxide, alpha-methyl styrene linear dimer, neodymium acetate, ethyl acetoacetate and purified water according to the formula ratio, and stirring at the temperature of 25-50 ℃ for 10-30 minutes to obtain a mixed solution;
step 1.2, adding the initiator with the formula amount into the mixed solution obtained in the step 1, and continuing to stir for 15 minutes;
step 1.3, degassing in the range of-600 mmHg/2min-700mmHg/1min after stirring to obtain a resin monomer;
step 2, selecting a needed lens mold;
and 3, a primary curing process, comprising: injecting the resin monomer prepared in the step 1 into the lens mold determined in the step 2, and performing thermosetting molding, wherein the thermosetting molding is divided into four stages:
in the first stage, the temperature is kept at 43 ℃ for 7h;
in the second stage, the temperature is raised to 65 ℃ at a constant speed for 4 hours;
in the third stage, the temperature is raised to 100 ℃ at a constant speed for 2 hours and is kept at 100 ℃ for 2 hours;
in the fourth stage, the temperature is reduced to 70 ℃ at a constant speed for 2 hours, and the temperature is maintained at 70 ℃ for 2 hours, so that the one-time curing molding process is completed;
step 4, demolding process, including: after the primary curing process is finished, taking out the mold with the lens crude product from the environment of 70 ℃, soaking the mold in water of 30 ℃, and if the lens crude product and the mold are successfully separated, performing step 5; otherwise, firstly, raising the temperature of the mold with the lens crude product from 70 ℃ to 80 ℃ at a constant speed, keeping the temperature for 1 hour, then taking out the mold and soaking the mold in water at 30 ℃ to successfully separate the lens crude product from the mold, and then performing the step 5;
and 5, a secondary curing process, which comprises the following steps: and (3) placing the lens crude product separated from the mold in an environment of 120 ℃, and keeping the temperature at 120 ℃ for 2 hours to finish a secondary curing process to obtain the final lens with blue light, ultraviolet and anti-glare effects.
The lens with blue light, ultraviolet and anti-glare effects and the manufacturing method thereof have the following advantages:
the application provides a prevent lens of anti-dazzle effect of blue light anti-ultraviolet, is the anti-dazzle lens of anti-ultraviolet of preventing blue light that adopts the characteristic of material itself, consequently, has solved traditional coating film lens along with the loss of mirror surface rete in the use with ageing, and then has reduced the protective effect to eyes. The application can greatly improve the product protection effect, and also prolongs the service life and the reliability and stability of the product, thereby being obviously superior to the similar resin lenses in the market.
Drawings
FIG. 1 is a schematic flow chart of a method for manufacturing a lens with blue light, ultraviolet and anti-glare effects, according to the present invention;
FIG. 2 is a result diagram of performance detection of spectral transmittance of the lens with blue-light-proof, ultraviolet-proof and anti-glare effects provided by the present application.
Detailed Description
In order to make the technical problems, technical solutions and advantageous effects solved by the present invention more clearly apparent, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The invention provides a lens with blue light, ultraviolet and anti-dazzle effects and a manufacturing method thereof, and the lens is a lens which achieves the blue light, ultraviolet and anti-dazzle effects by the characteristics of materials, and does not need to plate various functional films on the surface of a lens base body additionally, so that the preparation process of the lens is simplified.
The following list the embodiments of the manufacturing method of the lens with blue light, ultraviolet and glare preventing effects:
the first embodiment is as follows:
proportioning:
step 1, manufacturing a resin monomer, comprising the following steps:
step 1.1, weighing methacryloyloxyethyl phosphate, propylene oxide, an alpha-methyl styrene linear dimer, neodymium acetate, ethyl acetoacetate and purified water according to the formula ratio, and stirring at the temperature of 25 ℃ for 15 minutes to obtain a mixed solution;
step 1.2, adding the initiator with the formula amount into the mixed solution obtained in the step 1, and continuing stirring for 15 minutes;
step 1.3, degassing in the range of-600 mmHg/2min-700mmHg/1min after stirring to obtain a resin monomer;
step 2, selecting a needed lens mold;
step 3, a curing process, comprising: injecting the resin monomer prepared in the step 1 into the lens mold determined in the step 2, and performing thermosetting molding, wherein the thermosetting molding is divided into four stages:
in the first stage, the temperature is kept at 43 ℃ for 7h;
in the second stage, the temperature is raised to 65 ℃ at a constant speed for 4 hours;
in the third stage, the temperature is raised to 100 ℃ at a constant speed for 2 hours, and the temperature is kept at 100 ℃ for 2 hours;
in the fourth stage, the temperature is reduced to 70 ℃ at a constant speed for 2 hours, and the temperature is maintained at 70 ℃ for 2 hours, so that the one-time curing molding process is completed;
step 4, demolding process, including: after the primary curing process is finished, taking out the mold with the lens crude product from the environment of 70 ℃, soaking the mold in water of 30 ℃, and if the lens crude product and the mold are successfully separated, performing step 5; otherwise, firstly, uniformly heating the mould with the crude lens from 70 ℃ to 80 ℃, keeping for 1 hour, then taking out and soaking in water at 30 ℃ to successfully separate the crude lens from the mould, and then carrying out the step 5;
and 5, a secondary curing process, which comprises the following steps: and (3) placing the lens crude product separated from the mold in an environment of 120 ℃, and keeping the temperature at 120 ℃ for 2 hours to finish a secondary curing process to obtain the final lens with blue light, ultraviolet and anti-glare effects.
Example two:
proportioning:
step 1, manufacturing a resin monomer, comprising the following steps:
step 1.1, weighing methacryloyloxyethyl phosphate, propylene oxide, alpha-methyl styrene linear dimer, neodymium acetate, ethyl acetoacetate and purified water according to the formula ratio, and stirring at the temperature of 50 ℃ for 25 minutes to obtain a mixed solution;
step 1.2, adding the initiator with the formula amount into the mixed solution obtained in the step 1, and continuing to stir for 15 minutes;
step 1.3, after stirring is finished, degassing within the range of-600 mmHg/2min-700mmHg/1min to obtain a resin monomer;
step 2, selecting a needed lens mold;
and 3, a primary curing process, comprising: injecting the resin monomer prepared in the step 1 into the lens mold determined in the step 2, and performing thermosetting molding, wherein the thermosetting molding is divided into four stages:
in the first stage, the temperature is kept at 43 ℃ for 7h;
in the second stage, the temperature is raised to 65 ℃ at a constant speed for 4 hours;
in the third stage, the temperature is raised to 100 ℃ at a constant speed for 2 hours, and the temperature is kept at 100 ℃ for 2 hours;
in the fourth stage, the temperature is reduced to 70 ℃ at a constant speed for 2 hours, and the temperature is maintained at 70 ℃ for 2 hours, so that the one-time curing molding process is completed;
step 4, demolding process, including: after the primary curing process is finished, taking out the mold with the lens crude product from the environment of 70 ℃, soaking the mold in water of 30 ℃, and if the lens crude product and the mold are successfully separated, performing the step 5; otherwise, firstly, uniformly heating the mould with the crude lens from 70 ℃ to 80 ℃, keeping for 1 hour, then taking out and soaking in water at 30 ℃ to successfully separate the crude lens from the mould, and then carrying out the step 5;
and 5, a secondary curing process, which comprises the following steps: and (3) placing the lens crude product separated from the mold in an environment of 120 ℃, and keeping the temperature at 120 ℃ for 2 hours to finish the secondary curing process, thereby obtaining the final lens with blue light, ultraviolet and anti-dazzle effects.
Example three:
proportioning:
step 1, manufacturing a resin monomer, comprising the steps of:
step 1.1, weighing methacryloyloxyethyl phosphate, propylene oxide, an alpha-methyl styrene linear dimer, neodymium acetate, ethyl acetoacetate and purified water according to the formula ratio, and stirring at the temperature of 30 ℃ for 20 minutes to obtain a mixed solution;
step 1.2, adding the initiator with the formula amount into the mixed solution obtained in the step 1, and continuing stirring for 15 minutes;
step 1.3, degassing in the range of-600 mmHg/2min-700mmHg/1min after stirring to obtain a resin monomer;
step 2, selecting a needed lens mold;
step 3, a curing process, comprising: injecting the resin monomer prepared in the step 1 into the lens mold determined in the step 2, and performing thermosetting molding, wherein the thermosetting molding is divided into four stages:
in the first stage, the temperature is kept at 43 ℃ for 7h;
in the second stage, the temperature is raised to 65 ℃ at a constant speed for 4 hours;
in the third stage, the temperature is raised to 100 ℃ at a constant speed for 2 hours and is kept at 100 ℃ for 2 hours;
in the fourth stage, the temperature is reduced to 70 ℃ at a constant speed for 2 hours, and the temperature is maintained at 70 ℃ for 2 hours, so that the one-time curing molding process is completed;
step 4, demolding process, including: after the primary curing process is finished, taking out the mold with the lens crude product from the environment of 70 ℃, soaking the mold in water of 30 ℃, and if the lens crude product and the mold are successfully separated, performing the step 5; otherwise, firstly, uniformly heating the mould with the crude lens from 70 ℃ to 80 ℃, keeping for 1 hour, then taking out and soaking in water at 30 ℃ to successfully separate the crude lens from the mould, and then carrying out the step 5;
and 5, a secondary curing process, which comprises the following steps: and (3) placing the lens crude product separated from the mold in an environment of 120 ℃, and keeping the temperature at 120 ℃ for 2 hours to finish the secondary curing process, thereby obtaining the final lens with blue light, ultraviolet and anti-dazzle effects.
At present, the function of the blue light-proof and ultraviolet-proof lens is very important for protecting eyes. For example, in cloudy or foggy weather, the clear contrast of vision is reduced because light with a short wavelength (e.g., blue light) becomes scattered light in fog. The lens provided by the application has an excellent blue light prevention effect.
In addition, the lens also has a very good effect on ultraviolet protection, and the effect that the lens can achieve is as shown in figure 2, as can be seen from figure 2, the luminous flux is reduced from 390nm wavelength, and the luminous flux which is most irritating to people and is about 525nm and 580nm wavelength can be selectively reduced, so that the stimulation of light to eyes is effectively reduced, and the visual fatigue is relieved.
In addition, the lens has an anti-dazzle effect.
The application provides a prevent lens of blue light anti ultraviolet anti-dazzle effect is a prevent blue light anti ultraviolet anti-dazzle lens that adopts material characteristic itself, consequently, has solved the following problem that traditional coating film lens has: traditional coating film lens, along with the wearing and ageing of mirror surface rete in the use, can reduce the protective effect to eyes. And this application can greatly promote product protecting effect, has also prolonged the life and the reliable stability of product, therefore obviously is superior to the resin lenses of the same kind in market.
The performance of spectral transmittance is detected to the lens of preventing blue light anti ultraviolet anti-dazzle effect that this application provided, and the testing result is as shown in figure 2. As can be seen from fig. 2, the luminous flux starts to decrease from the wavelength of 390nm, and there is a selective decrease in the luminous flux around the wavelength of 525nm, 580nm, which is most irritating to humans.
The lens of preventing blue light anti ultraviolet anti-dazzle effect that this application provided carries out the outward appearance and observes, can see, and the brilliance degree of its colour purity and colour is all higher.
The lens with the blue light, ultraviolet and anti-dazzle effects can be used for a camera device (CCD, CMOS, scanner and the like), a display device (projector, liquid crystal, PDP, CRT and the like) and glasses (color sense correction, anti-dazzle glasses and the like).
The application provides a prevent lens of anti-ultraviolet anti-dazzle effect of blue light carries out the reliability and detects. The conditions and results of the tests are given in the following table:
the foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, many modifications and adaptations can be made without departing from the principle of the present invention, and such modifications and adaptations should also be considered to be within the scope of the present invention.
Claims (3)
1. The manufacturing method of the lens with the blue light, ultraviolet and anti-dazzle effects is characterized in that the lens with the blue light, ultraviolet and anti-dazzle effects comprises the following raw materials in parts by weight:
20-25 parts by weight of methacryloyloxyethyl phosphate
25-35 parts by weight of propylene oxide
2-4 parts of alpha-methyl styrene linear dimer
10-20 parts of neodymium acetate
5-9 parts of ethyl acetoacetate
0.01 to 0.02 portion of initiator
20-22 parts of purified water;
the manufacturing method of the lens with blue light, ultraviolet and glare preventing effects comprises the following steps:
step 1, manufacturing a resin monomer, comprising the steps of:
step 1.1, weighing methacryloyloxyethyl phosphate, propylene oxide, alpha-methyl styrene linear dimer, neodymium acetate, ethyl acetoacetate and purified water according to the formula ratio, and stirring at the temperature of 25-50 ℃ for 10-30 minutes to obtain a mixed solution;
step 1.2, adding the initiator with the formula amount into the mixed solution obtained in the step 1, and continuing stirring for 15 minutes;
step 1.3, degassing in the range of-600 mmHg/2min-700mmHg/1min after stirring to obtain a resin monomer;
step 2, selecting a needed lens mold;
and 3, a primary curing process, comprising: injecting the resin monomer prepared in the step 1 into the lens mold determined in the step 2, and performing thermosetting molding, wherein the thermosetting molding is divided into four stages:
in the first stage, the temperature is kept at 43 ℃ for 7h;
in the second stage, the temperature is raised to 65 ℃ at a constant speed for 4 hours;
in the third stage, the temperature is raised to 100 ℃ at a constant speed for 2 hours and is kept at 100 ℃ for 2 hours;
in the fourth stage, the temperature is reduced to 70 ℃ at a constant speed for 2 hours, and the temperature is maintained at 70 ℃ for 2 hours, so that the one-time curing molding process is completed;
step 4, demolding process, including: after the primary curing process is finished, taking out the mold with the lens crude product from the environment of 70 ℃, soaking the mold in water of 30 ℃, and if the lens crude product and the mold are successfully separated, performing the step 5; otherwise, firstly, uniformly heating the mould with the crude lens from 70 ℃ to 80 ℃, keeping for 1 hour, then taking out and soaking in water at 30 ℃ to successfully separate the crude lens from the mould, and then carrying out the step 5;
and 5, a secondary curing process, which comprises the following steps: and (3) placing the lens crude product separated from the mold in an environment of 120 ℃, and keeping the temperature at 120 ℃ for 2 hours to finish the secondary curing process, thereby obtaining the final lens with blue light, ultraviolet and anti-dazzle effects.
2. The method for manufacturing the lens with the blue-light, ultraviolet and anti-dazzle effects according to claim 1 is characterized by comprising the following raw materials in parts by weight:
methacryloyloxyethyl phosphate 23.4 parts by weight
30 parts by weight of propylene oxide
3.2 parts by weight of alpha-methylstyrene linear dimer
Neodymium acetate 15 parts by weight
Ethylacetoacetate 7 parts by weight
0.01 part by weight of an initiator
And 21.4 parts of purified water.
3. The method for manufacturing the lens with the effects of blue light prevention, ultraviolet light prevention and glare prevention as claimed in claim 1, wherein the initiator is a radical initiator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911006701.5A CN111077599B (en) | 2019-10-22 | 2019-10-22 | Lens with blue light, ultraviolet and glare preventing effects and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911006701.5A CN111077599B (en) | 2019-10-22 | 2019-10-22 | Lens with blue light, ultraviolet and glare preventing effects and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111077599A CN111077599A (en) | 2020-04-28 |
| CN111077599B true CN111077599B (en) | 2023-03-14 |
Family
ID=70310508
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911006701.5A Active CN111077599B (en) | 2019-10-22 | 2019-10-22 | Lens with blue light, ultraviolet and glare preventing effects and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111077599B (en) |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3270100B2 (en) * | 1992-02-27 | 2002-04-02 | 三菱化学株式会社 | High refractive index optical material |
| AU2001277706A1 (en) * | 2000-08-09 | 2002-02-18 | A And M Styrene Co., Ltd. | Aromatic monovinyl resin composition |
| JP5488064B2 (en) * | 2010-03-11 | 2014-05-14 | 三菱化学株式会社 | Method for producing laminated molded body and cured film transfer film |
| KR101534337B1 (en) * | 2012-12-18 | 2015-07-06 | 제일모직주식회사 | Anti-glare firm and method for manufacturing the same |
| JP6081865B2 (en) * | 2013-05-29 | 2017-02-15 | 株式会社トクヤマデンタル | Dental restoration kit |
| JP6243807B2 (en) * | 2014-06-27 | 2017-12-06 | Ｐｓジャパン株式会社 | Method for producing heat-resistant styrene resin, heat-resistant styrene resin composition, extruded sheet and molded product |
| CN105759455A (en) * | 2015-12-31 | 2016-07-13 | 江苏康耐特光学有限公司 | Blue light preventive optical resin lens and preparation method thereof |
| CN105778380A (en) * | 2016-05-13 | 2016-07-20 | 郑海东 | Anti-ultraviolet spectacle lens and preparation process thereof |
| CN107141767A (en) * | 2017-06-30 | 2017-09-08 | 山东益丰生化环保股份有限公司 | A kind of polyurethane optical resin material and preparation method thereof |
-
2019
- 2019-10-22 CN CN201911006701.5A patent/CN111077599B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN111077599A (en) | 2020-04-28 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103226249B (en) | High efficiency blue suppression resin lens and preparation method thereof | |
| JP5917622B2 (en) | High-performance selective optical wavelength filtering provides improved contrast sensitivity | |
| JP5749683B2 (en) | Anti-glare optical element | |
| US20060114573A1 (en) | Optical element for use in eye protection devices and methods for its manufacture | |
| KR101540114B1 (en) | Blue-light blocking lens and its manufacturing method | |
| CN103941320A (en) | Device for selectively filtering light rays | |
| JP6629343B2 (en) | Optical components | |
| CN104730728A (en) | Novel driving lens and manufacture method thereof | |
| US9746696B2 (en) | Contrast enhancing filter for eye glasses and contrast enhancing eye glass | |
| US6811727B2 (en) | Ophthalmic filter materials | |
| EP2096471A1 (en) | Component for prevention purposes in healthy eyes and for treatment and prophylaxis in pseudo-aphacic eyes and/or eyes affected by neurodegenerative processes | |
| CN111077599B (en) | Lens with blue light, ultraviolet and glare preventing effects and manufacturing method thereof | |
| JPH07306387A (en) | Lens for light shielding | |
| US20210011200A1 (en) | Functional contact lens and method for dyeing the same | |
| CN207067435U (en) | A kind of anti-tired eyeglass of high-resolution | |
| JP2794308B2 (en) | Lens material for aphakic eyes | |
| CN110908141A (en) | Negative ion blue light-proof and anti-glare lens and production process thereof | |
| US1950925A (en) | Sport glasses | |
| CN210376918U (en) | Glasses for protecting retina | |
| CN218886328U (en) | Photochromic lens with refractive index of 1.60 | |
| JPS6224203A (en) | Glare shielding plastic light filter | |
| CN205800393U (en) | A kind of anti-blue light safety glass film | |
| CN115304271A (en) | Rare earth doped glass with excellent optical properties and method for preparing same | |
| KR100205771B1 (en) | Intraocular lens and manufacturing method thereof | |
| JPH05212103A (en) | Medical lens |
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 | ||
| GR01 | Patent grant |