CN109502971A - A kind of ultraviolet ray intercepting glass and preparation method thereof - Google Patents

A kind of ultraviolet ray intercepting glass and preparation method thereof Download PDF

Info

Publication number
CN109502971A
CN109502971A CN201811158553.4A CN201811158553A CN109502971A CN 109502971 A CN109502971 A CN 109502971A CN 201811158553 A CN201811158553 A CN 201811158553A CN 109502971 A CN109502971 A CN 109502971A
Authority
CN
China
Prior art keywords
parts
glass
ultraviolet ray
ray intercepting
preparation
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
Application number
CN201811158553.4A
Other languages
Chinese (zh)
Inventor
孙祯彬
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.)
Jiangsu Yaoxing Safety Glass Co Ltd
Original Assignee
Jiangsu Yaoxing Safety Glass 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 Jiangsu Yaoxing Safety Glass Co Ltd filed Critical Jiangsu Yaoxing Safety Glass Co Ltd
Priority to CN201811158553.4A priority Critical patent/CN109502971A/en
Publication of CN109502971A publication Critical patent/CN109502971A/en
Pending legal-status Critical Current

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C1/00Ingredients generally applicable to manufacture of glasses, glazes, or vitreous enamels
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C14/00Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix
    • C03C14/002Glass compositions containing a non-glass component, e.g. compositions containing fibres, filaments, whiskers, platelets, or the like, dispersed in a glass matrix the non-glass component being in the form of fibres, filaments, yarns, felts or woven material
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C4/00Compositions for glass with special properties
    • C03C4/08Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths
    • C03C4/085Compositions for glass with special properties for glass selectively absorbing radiation of specified wave lengths for ultraviolet absorbing glass
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2214/00Nature of the non-vitreous component
    • C03C2214/02Fibres; Filaments; Yarns; Felts; Woven material
    • CCHEMISTRY; METALLURGY
    • C03GLASS; MINERAL OR SLAG WOOL
    • C03CCHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C2214/00Nature of the non-vitreous component
    • C03C2214/30Methods of making the composites

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Materials Engineering (AREA)
  • Organic Chemistry (AREA)
  • Ceramic Engineering (AREA)
  • Dispersion Chemistry (AREA)
  • Glass Compositions (AREA)

Abstract

The invention discloses a kind of ultraviolet ray intercepting glass and preparation method thereof, glass raw material includes following component: glass powder, zirconium oxide, potassium nitrate, magnesium sulfate, polycarbonate, polyester fiber, copper sulphate, titanium dioxide, ceramic fibre, bauxite, zinc oxide, tin indium oxide, silicon nitride.Preparation process is to obtain mixture after being first stirred each component, then heat to 160-180 DEG C, holding is warming up to melting again after a certain period of time, form glass metal, then by glass metal homogenizing, clarification, discharge bubble, treated glass metal is formed, it finally will treated glass metal molding, annealing, cooling, polishing, obtains ultraviolet ray intercepting glass.Glass provided by the invention has good ultraviolet resistance.

Description

A kind of ultraviolet ray intercepting glass and preparation method thereof
Technical field
The invention belongs to glass making techniques fields, and in particular to a kind of ultraviolet ray intercepting glass and preparation method thereof.
Background technique
Ultraviolet radiation refers to solar radiation of the wavelength between 200nm~400nm, generally includes following three Class: UV-A wavelength be 315nm~380nm, UV-B wavelength be 280nm~315nm, UV-C wavelength 200nm~ 280nm.Sunray (290nm~2000nm) middle-ultraviolet lamp for reaching earth surface accounts for about 13%, and wherein UV-A is accounted for 97%, UV-B account for 3%, UV-C close to 0.Ultraviolet light is very important to the adverse effect of human body, and ultraviolet energy causes It burns, wherein UV-A sections are known as tanned section, it is caused by accumulating over a long period to the injury of skin;UV-B sections are known as sunburn section, Penetration power can make skin sunburn up to epidermis, and clinical manifestation is flush, cusalgia is obvious, may occur in which vesicle, after 1 week Start to peel, this is the main wave band that people prevent sunburn.With the improvement of living standards, people more aggravate image and health Depending on protectiving ultraviolet radiation avoids skin also more more and more intense by tanned or even sunburn demand.
Glass is a kind of a kind of non-crystalline solids (from microcosmic, glass is also liquid) of random structure, molecule There is unlike crystal in space the arrangement of long-range order, and be similar to liquid has shortrange order like that.Glass is as solid Specific shape is equally kept, is flowed unlike liquid with gravity.Common glass does not shield ultraviolet light Effect, therefore, it is necessary to develop a kind of ultraviolet ray intercepting glass, to meet application requirement.
Summary of the invention
The present invention is directed to the above the deficiencies in the prior art, provides a kind of ultraviolet ray intercepting glass and preparation method thereof, improves anti- Ultraviolet performance.
The technical solution adopted by the invention is as follows:
A kind of ultraviolet ray intercepting glass, raw material include the component of following parts by weight meter:
80-100 parts of glass powder, 0.5-2 parts of zirconium oxide, 2-6 parts of potassium nitrate, 1-3 parts of magnesium sulfate, 3-5 parts of polycarbonate, polyester is fine 2-4 parts, 1-3 parts of copper sulphate are tieed up, 1-3 parts of titanium dioxide, 2-4 parts of ceramic fibre, 1-3 parts of bauxite, 2-4 parts of zinc oxide, are aoxidized 2-4 parts of indium tin, 3-6 parts of silicon nitride.
Further, the ultraviolet ray intercepting glass, raw material include the component of following parts by weight meter: 90-96 parts of glass powder, 1-1.5 parts of zirconium oxide, 3-5 parts of potassium nitrate, 1-3 parts of magnesium sulfate, 4-5 parts of polycarbonate, 2-3 parts of polyester fiber, copper sulphate 2-3 Part, 2-3 parts of titanium dioxide, 3-4 parts of ceramic fibre, 1-3 parts of bauxite, 2-4 parts of zinc oxide, 2-4 parts of tin indium oxide, silicon nitride 4- 6 parts.
The preparation method of above-described ultraviolet ray intercepting glass, includes the following steps:
Step 1 obtains mixture after being stirred each component;
Mixture is warming up to 160-180 DEG C, is kept for 60-80 minutes, be then warming up to melting again, forms glass metal by step 2;
Glass metal homogenizing, clarification, discharge bubble are formed treated glass metal by step 3;
Step 4, will treated glass metal molding, annealing, cooling, polishing obtains ultraviolet ray intercepting glass.
Further, the preparation method of the ultraviolet ray intercepting glass, the mixing speed being stirred in step 1 are 150-180 revs/min, mixing time 30-40 minutes.
Further, mixture is warming up to 160-180 DEG C in step 2 by the preparation method of the ultraviolet ray intercepting glass Heating rate be 1-2 DEG C/min.
Further, the preparation method of the ultraviolet ray intercepting glass, the heating rate that melting is warming up in step 2 are 4-5 DEG C/min.
Ultraviolet ray intercepting glass provided by the invention can be good at preventing UV light permeability, with good antiultraviolet Performance.
Specific embodiment:
Embodiment 1
A kind of ultraviolet ray intercepting glass, raw material include the component of following parts by weight meter:
80 parts of glass powder, 0.5 part of zirconium oxide, 2 parts of potassium nitrate, 1 part of magnesium sulfate, 3 parts of polycarbonate, 2 parts of polyester fiber, copper sulphate 1 part, 1 part of titanium dioxide, 2 parts of ceramic fibre, 1 part of bauxite, 2 parts of zinc oxide, 2 parts of tin indium oxide, 3 parts of silicon nitride.
The preparation method of above-described ultraviolet ray intercepting glass, includes the following steps:
Step 1 obtains mixture after being stirred each component, and the mixing speed being stirred is 150 revs/min, when stirring Between 30 minutes;
Mixture is warming up to 160 DEG C, is kept for 60 minutes, be then warming up to melting again, forms glass metal by step 2, wherein will The heating rate that mixture is warming up to 160 DEG C is 1-2 DEG C/min, and the heating rate for being warming up to melting is 4-5 DEG C/min;
Glass metal homogenizing, clarification, discharge bubble are formed treated glass metal by step 3;
Step 4, will treated glass metal molding, annealing, cooling, polishing obtains ultraviolet ray intercepting glass.
Embodiment 2
A kind of ultraviolet ray intercepting glass, raw material include the component of following parts by weight meter: 90 parts of glass powder, 1 part of zirconium oxide, and potassium nitrate 3 Part, 1 part of magnesium sulfate, 4 parts of polycarbonate, 2 parts of polyester fiber, 2 parts of copper sulphate, 2 parts of titanium dioxide, 3 parts of ceramic fibre, bauxite 1 part, 2 parts of zinc oxide, 2 parts of tin indium oxide, 4 parts of silicon nitride.
The preparation method of above-described ultraviolet ray intercepting glass, includes the following steps:
Step 1 obtains mixture after being stirred each component, and the mixing speed being stirred is 160 revs/min, when stirring Between 35 minutes;
Mixture is warming up to 165 DEG C, is kept for 67 minutes, be then warming up to melting again, forms glass metal by step 2, wherein will The heating rate that mixture is warming up to 165 DEG C is 1-2 DEG C/min, and the heating rate for being warming up to melting is 4-5 DEG C/min;
Glass metal homogenizing, clarification, discharge bubble are formed treated glass metal by step 3;
Step 4, will treated glass metal molding, annealing, cooling, polishing obtains ultraviolet ray intercepting glass.
Embodiment 3
A kind of ultraviolet ray intercepting glass, raw material include the component of following parts by weight meter: 95 parts of glass powder, 1.3 parts of zirconium oxide, and potassium nitrate 4 parts, 2 parts of magnesium sulfate, 5 parts of polycarbonate, 3 parts of polyester fiber, 3 parts of copper sulphate, 2 parts of titanium dioxide, 4 parts of ceramic fibre, aluminium alum 2 parts, 3 parts of zinc oxide, 3 parts of tin indium oxide, 5 parts of silicon nitride of soil.
The preparation method of above-described ultraviolet ray intercepting glass, includes the following steps:
Step 1 obtains mixture after being stirred each component, and the mixing speed being stirred is 170 revs/min, when stirring Between 38 minutes;
Mixture is warming up to 175 DEG C, is kept for 70 minutes, be then warming up to melting again, forms glass metal by step 2, wherein will The heating rate that mixture is warming up to 175 DEG C is 1-2 DEG C/min, and the heating rate for being warming up to melting is 4-5 DEG C/min;
Glass metal homogenizing, clarification, discharge bubble are formed treated glass metal by step 3;
Step 4, will treated glass metal molding, annealing, cooling, polishing obtains ultraviolet ray intercepting glass.
Embodiment 4
A kind of ultraviolet ray intercepting glass, raw material include the component of following parts by weight meter: 96 parts of glass powder, 1.5 parts of zirconium oxide, and potassium nitrate 5 parts, 3 parts of magnesium sulfate, 5 parts of polycarbonate, 3 parts of polyester fiber, 3 parts of copper sulphate, 3 parts of titanium dioxide, 4 parts of ceramic fibre, aluminium alum 3 parts, 4 parts of zinc oxide, 4 parts of tin indium oxide, 6 parts of silicon nitride of soil.
The preparation method of above-described ultraviolet ray intercepting glass, includes the following steps:
Step 1 obtains mixture after being stirred each component, and the mixing speed being stirred is 175 revs/min, when stirring Between 38 minutes;
Mixture is warming up to 178 DEG C, is kept for 75 minutes, be then warming up to melting again, forms glass metal by step 2, wherein will The heating rate that mixture is warming up to 178 DEG C is 1-2 DEG C/min, and the heating rate for being warming up to melting is 4-5 DEG C/min;
Glass metal homogenizing, clarification, discharge bubble are formed treated glass metal by step 3;
Step 4, will treated glass metal molding, annealing, cooling, polishing obtains ultraviolet ray intercepting glass.
Embodiment 5
A kind of ultraviolet ray intercepting glass, raw material include the component of following parts by weight meter:
100 parts of glass powder, 2 parts of zirconium oxide, 6 parts of potassium nitrate, 3 parts of magnesium sulfate, 5 parts of polycarbonate, 4 parts of polyester fiber, copper sulphate 3 Part, 3 parts of titanium dioxide, 4 parts of ceramic fibre, 3 parts of bauxite, 4 parts of zinc oxide, 4 parts of tin indium oxide, 6 parts of silicon nitride.
The preparation method of above-described ultraviolet ray intercepting glass, includes the following steps:
Step 1 obtains mixture after being stirred each component, and the mixing speed being stirred is 180 revs/min, when stirring Between 40 minutes;
Mixture is warming up to 180 DEG C, is kept for 80 minutes, be then warming up to melting again, forms glass metal by step 2, wherein will The heating rate that mixture is warming up to 180 DEG C is 1-2 DEG C/min, and the heating rate for being warming up to melting is 4-5 DEG C/min;
Glass metal homogenizing, clarification, discharge bubble are formed treated glass metal by step 3;
Step 4, will treated glass metal molding, annealing, cooling, polishing obtains ultraviolet ray intercepting glass.
Anti-UV performance test is carried out to the ultraviolet ray intercepting glass that above embodiments obtain, as a result as follows:
Result above, which can be seen that ultraviolet ray intercepting glass provided by the invention, can be good at preventing UV light permeability, have good The performance of good antiultraviolet.

Claims (6)

1. a kind of ultraviolet ray intercepting glass, which is characterized in that raw material includes the component of following parts by weight meter:
80-100 parts of glass powder, 0.5-2 parts of zirconium oxide, 2-6 parts of potassium nitrate, 1-3 parts of magnesium sulfate, 3-5 parts of polycarbonate, polyester is fine 2-4 parts, 1-3 parts of copper sulphate are tieed up, 1-3 parts of titanium dioxide, 2-4 parts of ceramic fibre, 1-3 parts of bauxite, 2-4 parts of zinc oxide, are aoxidized 2-4 parts of indium tin, 3-6 parts of silicon nitride.
2. ultraviolet ray intercepting glass according to claim 1, which is characterized in that raw material includes the component of following parts by weight meter: 90-96 parts of glass powder, 1-1.5 parts of zirconium oxide, 3-5 parts of potassium nitrate, 1-3 parts of magnesium sulfate, 4-5 parts of polycarbonate, polyester fiber 2-3 Part, 2-3 parts of copper sulphate, 2-3 parts of titanium dioxide, 3-4 parts of ceramic fibre, 1-3 parts of bauxite, 2-4 parts of zinc oxide, tin indium oxide 2- 4 parts, 4-6 parts of silicon nitride.
3. the preparation method of ultraviolet ray intercepting glass described in claim 1, which comprises the steps of:
Step 1 obtains mixture after being stirred each component;
Mixture is warming up to 160-180 DEG C, is kept for 60-80 minutes, be then warming up to melting again, forms glass metal by step 2;
Glass metal homogenizing, clarification, discharge bubble are formed treated glass metal by step 3;
Step 4, will treated glass metal molding, annealing, cooling, polishing obtains ultraviolet ray intercepting glass.
4. the preparation method of ultraviolet ray intercepting glass according to claim 3, which is characterized in that be stirred in step 1 Mixing speed is 150-180 revs/min, mixing time 30-40 minutes.
5. the preparation method of ultraviolet ray intercepting glass according to claim 3, which is characterized in that by mixture liter in step 2 The heating rate of temperature to 160-180 DEG C is 1-2 DEG C/min.
6. the preparation method of ultraviolet ray intercepting glass according to claim 3, which is characterized in that be warming up to melting in step 2 Heating rate be 4-5 DEG C/min.
CN201811158553.4A 2018-09-30 2018-09-30 A kind of ultraviolet ray intercepting glass and preparation method thereof Pending CN109502971A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811158553.4A CN109502971A (en) 2018-09-30 2018-09-30 A kind of ultraviolet ray intercepting glass and preparation method thereof

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811158553.4A CN109502971A (en) 2018-09-30 2018-09-30 A kind of ultraviolet ray intercepting glass and preparation method thereof

Publications (1)

Publication Number Publication Date
CN109502971A true CN109502971A (en) 2019-03-22

Family

ID=65746233

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201811158553.4A Pending CN109502971A (en) 2018-09-30 2018-09-30 A kind of ultraviolet ray intercepting glass and preparation method thereof

Country Status (1)

Country Link
CN (1) CN109502971A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111018349A (en) * 2019-12-17 2020-04-17 安徽凤阳玻璃有限公司 Ultraviolet-proof plate glass and preparation method thereof

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002326846A (en) * 2001-04-27 2002-11-12 Sekisui Chem Co Ltd Interlayer for laminated glass and laminated glass
CN105923993A (en) * 2015-12-23 2016-09-07 江苏通天光学科技有限公司 Infrared isolation glass composition for preventing ultraviolet radiation
CN106497198A (en) * 2016-09-27 2017-03-15 奇瑞汽车股份有限公司 A kind of Composite ultraviolet-proof coating and preparation method thereof and ultraviolet ray intercepting glass
CN106587607A (en) * 2016-12-10 2017-04-26 温州雏鹰科技有限公司 Ultraviolet-proof glass for vehicle windows
CN107735377A (en) * 2015-07-08 2018-02-23 旭硝子株式会社 Functional glass article and its manufacture method
CN108383381A (en) * 2018-04-20 2018-08-10 湖州知维技术服务有限公司 A kind of ultraviolet ray intercepting glass

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002326846A (en) * 2001-04-27 2002-11-12 Sekisui Chem Co Ltd Interlayer for laminated glass and laminated glass
CN107735377A (en) * 2015-07-08 2018-02-23 旭硝子株式会社 Functional glass article and its manufacture method
CN105923993A (en) * 2015-12-23 2016-09-07 江苏通天光学科技有限公司 Infrared isolation glass composition for preventing ultraviolet radiation
CN106497198A (en) * 2016-09-27 2017-03-15 奇瑞汽车股份有限公司 A kind of Composite ultraviolet-proof coating and preparation method thereof and ultraviolet ray intercepting glass
CN106587607A (en) * 2016-12-10 2017-04-26 温州雏鹰科技有限公司 Ultraviolet-proof glass for vehicle windows
CN108383381A (en) * 2018-04-20 2018-08-10 湖州知维技术服务有限公司 A kind of ultraviolet ray intercepting glass

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
刘西文: "《塑料配混共(中、高级)培训教程》", 31 January 2017, 文化发展出版社 *
华东纺织工学院 编: "《化学纤维工艺学》", 31 August 1962, 中国财政经济出版社 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111018349A (en) * 2019-12-17 2020-04-17 安徽凤阳玻璃有限公司 Ultraviolet-proof plate glass and preparation method thereof

Similar Documents

Publication Publication Date Title
TWI552974B (en) Glass composition capable of absorbing infrared ligth and uv light and the application thereof
CN104880744B (en) A kind of manufacture method of anti-blue light resin lens
CN108285272A (en) A kind of CsPb2Br5Quantum dot microcrystal glass material and preparation method thereof
CN102031051B (en) Spectrum generator, preparation method thereof and preparation method of far-infrared radiant coating
CN109502971A (en) A kind of ultraviolet ray intercepting glass and preparation method thereof
CN107651880A (en) A kind of heat-insulated radiation proof exterior wall true stone paint
CN105061794B (en) A kind of eyeshield automobile adhesive film and preparation method thereof
CN113476320A (en) Sunscreen cosmetic composition and preparation method thereof
CN110964070B (en) Preparation method of troxerutin and application of troxerutin in whitening and skin-care products
CN105585927B (en) A kind of LED solidifications spary coating type vacuum metallizing coating and preparation method thereof
CN102442816A (en) Synthetic grey-white jade and manufacturing method thereof
CN105819694A (en) Glass ceramic and preparation method thereof
CN104312387B (en) Starlight pattern powder coating and preparation method thereof
EP3070061A1 (en) Glass composition absorbing ultraviolet ray and infrared ray and application thereof
CN101376569B (en) Preparation of glass coating liquid having ultraviolet shielding function
KR20130141858A (en) High transparent insulation paint and method of preparing same
CN108659431B (en) Heat reflecting material for asphalt pavement
CN102050575B (en) Infrared transmitting germanate glass and preparation method thereof
CN104876446A (en) Zirconium-reinforced immediate-processing microcrystalline glass and composition thereof, and preparation method and application thereof
WO2021014981A1 (en) Near-infrared shielding material
CN112251129A (en) Transparent coating capable of presenting color but not being dyed based on Tyndall effect and preparation method thereof
CN108607102A (en) It is a kind of can the transfection of light-operated gene titanium dioxide/nanogold/collagen composite coating and preparation method thereof and regulation and control method
CN109431888A (en) A kind of anti-aging composition and contain this group of materialization cosmetic
CN107840572A (en) A kind of non-browning glass and its manufacture method
CN107474614B (en) Primer formula of anti-reflection film and preparation method

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
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190322