CN110438529A - High purity indium preparation facilities - Google Patents
High purity indium preparation facilities Download PDFInfo
- Publication number
- CN110438529A CN110438529A CN201910837831.7A CN201910837831A CN110438529A CN 110438529 A CN110438529 A CN 110438529A CN 201910837831 A CN201910837831 A CN 201910837831A CN 110438529 A CN110438529 A CN 110438529A
- Authority
- CN
- China
- Prior art keywords
- electrolytic cell
- high purity
- power supply
- preparation facilities
- purity indium
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C1/00—Electrolytic production, recovery or refining of metals by electrolysis of solutions
- C25C1/22—Electrolytic production, recovery or refining of metals by electrolysis of solutions of metals not provided for in groups C25C1/02 - C25C1/20
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25C—PROCESSES FOR THE ELECTROLYTIC PRODUCTION, RECOVERY OR REFINING OF METALS; APPARATUS THEREFOR
- C25C7/00—Constructional parts, or assemblies thereof, of cells; Servicing or operating of cells
- C25C7/06—Operating or servicing
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/20—Recycling
Abstract
The invention discloses a kind of high purity indium preparation facilities, are related to non-ferrous metal metallurgical technology field.Including electrolytic cell bracket, electrolytic cell bracket is equipped with multiple electrolytic cells, is equipped with electrolysis cycle system in one end of electrolytic cell, electrolysis cycle system is connect with electrolytic cell, and electrolysis cycle system is equipped with PH detection sensor;Electrical control and monitoring system and power supply unit are equipped in the other end of electrolytic cell, power supply unit is any of IGBT DC power supply or silicon rectifier DC power supply, have the functions such as the output of constant voltage/constant current double mode and long-distance intelligent control, control and display precision >=0.1V/A;Electrical control and monitoring system and power supply unit are connect with electrolyzer electric, and the top of electrolytic cell is equipped with gas collection unit.The problem of present invention can solve the prior art there are production process technology control difficulty is high, and product quality fluctuation is larger, and production environment is severe, can not produce qualified stable product.
Description
Technical field
The present invention relates to non-ferrous metallurgy technology field, especially a kind of device that high purity indium is prepared for electrolysis method.
Background technique
Indium is a kind of very important strategic dissipated metal, is to prepare ITO, copper indium gallium selenide, indium antimonide, indium phosphide, arsenic
The important foundation material of the compound semiconductors such as indium, be widely used in military project, space flight and aviation, plane show, photoelectric information, the sun
The fields such as energy battery, belong to one of the rare metal function new material given priority in national " made in China 2025 ".With section
The development of skill, product purity requires to be continuously improved, from 5N, the 6N or even 7N or more of initial 4N-4N5 till now, original indium
The presence of electrolysis production device is simply equipped, device parameter is extensive, equipment design and material are unsatisfactory for high purity indium production requirement, to life
The problems such as environmental disruption is larger are produced, cause high purity indium production process technology control difficulty high, product quality fluctuation is larger, raw
Bad environments are produced, qualified stable product can not be produced.
Summary of the invention
The object of the present invention is to provide a kind of high purity indium preparation facilities, it can solve the prior art, and there are production process works
The problem of skill controls that difficulty is high, and product quality fluctuation is larger, and production environment is severe, can not produce qualified stable product.
To solve the above-mentioned problems, the technical solution adopted by the present invention is that: this high purity indium preparation facilities, including electrolytic cell
Bracket, the electrolytic cell bracket are equipped with multiple electrolytic cells, are equipped with electrolysis cycle system, the electricity in one end of the electrolytic cell
The solution circulatory system is connect with the electrolytic cell, and the electrolysis cycle system is equipped with PH detection sensor;In the another of the electrolytic cell
One end is equipped with electrical control and monitoring system and power supply unit, and the power supply unit is IGBT DC power supply or silicon rectifier direct current
Source it is any, have the output of constant voltage/constant current double mode and the functions such as long-distance intelligent control, control and display precision >=0.1V/
A;The electrical control and monitoring system and power supply unit are connect with the electrolyzer electric, and the top of the electrolytic cell is equipped with gas
Body collector unit.
In above-mentioned technical proposal, more specifically scheme may also is that the electrolysis cycle system includes Lower tank and height
The side of position slot, the Lower tank is connect by circulating line with the lower part of the electrolytic cell, and the side of the head tank passes through
Circulating line is connect with the top of the electrolytic cell, and the other side of the Lower tank passes through the other side of pipeline and the head tank
Connection is equipped with circulating pump, at the top of the closely described electrolytic cell of the circulating line at the closely described Lower tank of the pipeline
The circulating line is equipped with flow control valve;The PH detection sensor is mounted on the Lower tank;This system is automatic
Circulation, endless form are any of upper entering and lower leaving or enterprising upper next-out.
Further: the PH detection sensor is that PH detects needle.
Further, electrical control described in the electrical control and monitoring system and monitoring system include host computer group state layer,
The host computer group state layer issues control instruction, the collection to multiple intensive data process block layers respectively by communication switcher layer
The control instruction is transmitted to the electrolytic cell by middle data processing block layer, and data of the electrolytic cell in electrolytic process pass through
Data collection layer passes back to host computer group state layer, and the data include the bath voltage, electric current, pH value.
Further, the intensive data process block layer is made of PLC controller and external equipment.
Further, the data collection layer is made of voltage sensor, current sensor and PH detection sensor.
Further, the gas collection unit includes gas gathering mask, the gas gathering mask is in broadening formation, and collection port is provided with wind
The other end of valve and anti-down flow device, the air-valve and anti-down flow device connects exhaust duct.
Further, the electrolytic cell is provided with overflow port and weif orifice, by the way of in parallel between multiple-grooved series connection plus slot into
Row arrangement, slot is interior to place anode and cathode, and anode and cathode is staggered, and anode quantity is n, and cathode quantity is n or n+1, the yin
Extremely titanium plate, current-carrying part are titanium copper-clad structure;Busbar material is copper or high purity graphite, and busbar integrally coats insulating corrosion
Coating and conductive opening.
By adopting the above-described technical solution, compared with prior art, the present invention having the beneficial effect that due to this hair
It is bright to be equipped with power supply unit, electrical control and the monitoring system and gas collection unit for having the output of constant voltage/constant current double mode, institute
Can technological parameter precisely be monitored and be controlled in process of production, can be received to the exhaust gas generated in production process
Collection processing, therefore, so that stable product quality, the air cleaning of production environment.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention.
Fig. 2 is electrical control and monitoring system block diagram of the invention.
Specific embodiment
The invention will be further described with reference to the accompanying drawings and examples:
Embodiment 1:
High purity indium preparation facilities shown in FIG. 1, including electrolytic cell bracket 2, set that there are six electrolytic cells 3 on electrolytic cell bracket 2, in electricity
The one end for solving slot 3 is equipped with electrolysis cycle system 4, and electrolysis cycle system 4 is connect with electrolytic cell 3, and electrolysis cycle system 4 is examined equipped with PH
Survey sensor 4-7;Electrical control and monitoring system 6 are equipped in the other end of electrolytic cell 3 and power supply unit 1, power supply unit 1 are
IGBT DC power supply, has the output of constant voltage/constant current double mode and a functions such as long-distance intelligent control, and control and display precision >=
0.1V/A;Electrical control and monitoring system 6 and power supply unit 1 are electrically connected with the electrolytic cell 3, and the top of electrolytic cell 3 is equipped with
Gas collection unit 5.
Electrolysis cycle system 4 includes Lower tank 4-1 and head tank 4-2, and the side of Lower tank 4-1 passes through circulating line 4-4
It is connect with the lower part of electrolytic cell 3, the side of head tank 4-2 is connect by circulating line 4-4 with the top of electrolytic cell 3, Lower tank
The other side of 4-1 is connect by pipeline 4-6 with the other side of head tank 4-2, and circulation is equipped at the nearly Lower tank 4-1 of pipeline 4-6
4-3 is pumped, flow control valve 4-5 is equipped on the circulating line 4-4 at the top of the nearly electrolytic cell 3 of circulating line 4-4;PH detection
Sensor 4-7 is mounted on Lower tank 4-1;This system is automatic cycle, and endless form is upper entering and lower leaving.
In the present embodiment, PH detection sensor 4-7 is that PH detects needle.
Electrical control and monitoring system 6, as shown in Fig. 2, including host computer group state layer 6-1, host computer group state layer 6-1 passes through
Communication switcher layer 6-2 issues control instruction, intensive data process block layer 6-3 to multiple intensive data process block layer 6-3 respectively
Control instruction is transmitted to electrolytic cell 3, on electrolytic cell 3 passes back to the data in electrolytic process by data collection layer 6-4
Position unit state layer 6-1, data include bath voltage, electric current, pH value.Data collection layer 4 is by voltage sensor 6-4-1, electric current
Sensor 6=4-2 and PH detection sensor is constituted.
In the present embodiment, the voltage signal of 0-500mV is become the current signal of 4-20mA, voltage by data collection layer 6-4
Sensor 6-4-1 is voltage mutual inductor, and 6=4-2 of current sensor is current transformer, and PH detection sensor is PH detection
Needle, the intensive data process block layer 6-3 are made of PLC controller and external equipment.
Gas collection unit 5 includes gas gathering mask 5-1, and gas gathering mask 5-1 is in broadening formation, and collection port is provided with air-valve anti-backflow
The other end of equipment 5-2, the anti-down flow device 5-2 of air-valve connect exhaust duct.
Electrolytic cell is provided with overflow port and weif orifice, is arranged by the way of in parallel between multiple-grooved series connection plus slot, in slot
Anode and cathode is placed, anode and cathode is staggered, and anode quantity is n, and cathode quantity is n or n+1, and cathode is titanium plate, conductive part
It is divided into titanium copper-clad structure;Busbar material is copper or high purity graphite, and busbar integrally coats insulating corrosion coating and conductive opening.
The endless form of electrolysis cycle system 4 is upper intake lower outlet type: the sedimentation of the impurity such as electrolyte flow direction and the earth of positive pole
Direction is consistent, is conducive to the sedimentation of the earth of positive pole and the earth of positive pole is prevented to be adhered on cathode, and electrolyte temperature distribution is relatively uniform, has
Conducive to influence of the suspended impurity to cathode product quality in reduction electrolyte.But electrolyte surface floating material is not easy to be discharged outside slot.
Electrical control and monitoring system 6: data collection layer 6-4 collects the monitoring number such as voltage, electric current, pH value of electrolytic cell
It is transferred to host computer group state layer 6-1 after and carries out data processing and record, when monitoring data deviates the numberical range of setting, from
The raw alarm of movable property, and control instruction is sent to intensive data process block layer 6-3, intensive data process block layer 6-3 refers to according to control
Enable automatic execution abnormal point correction movement.
Gas collection unit 5: electrolysis operational process can generate micro exhaust gas, and electrolyte is influenced also by electrolysis temperature
It is escaped from natural evaporation above electrolytic cell 3, when gas collection unit 5 is run, the anti-down flow device 5-2 of air-valve can be automatically turned on, will
Workshop is collected by gas gathering mask 5-1 and be discharged to electrolytic waste gas of the loss above electrolytic cell, the wind when present apparatus is out of service
The anti-down flow device 5-2 of valve stops, and air-valve is closed, and prevents the extraneous exhaust duct that passes through from being connected to interior, prevents extraneous and air-exhausting duct
Road residual thing, which is fallen into electrolytic cell, to be adversely affected.
Embodiment 2:
In the present embodiment, power supply unit 1 is silicon rectifier DC power supply, and 4 endless form of electrolysis cycle system goes out up and down to be enterprising
It is consistent that the impurity such as formula, a part of electrolyte flow direction of which and the earth of positive pole settle direction, be conducive to the sedimentation of the earth of positive pole and
The earth of positive pole is prevented to be adhered on cathode, electrolyte temperature distribution is relatively uniform, advantageously reduces in electrolyte suspended impurity to yin
The influence of pole product quality.A part of electrolyte takes electrolyte surface floating material out of from PARALLEL FLOW above electrolytic cell 3 in time
Outside slot, be conducive to electrolyte self-cleaning.Remaining working principle and embodiment 1 are same.
Claims (8)
1. a kind of high purity indium preparation facilities, including electrolytic cell bracket, the electrolytic cell bracket is equipped with multiple electrolytic cells, feature
It is: is equipped with electrolysis cycle system in one end of the electrolytic cell, the electrolysis cycle system is connect with the electrolytic cell, described
Electrolysis cycle system is equipped with PH detection sensor;Electrical control and monitoring system and power supply are equipped in the other end of the electrolytic cell
Unit, the power supply unit are any of IGBT DC power supply or silicon rectifier DC power supply, and it is defeated to have constant voltage/constant current double mode
Out and the functions such as long-distance intelligent control, control and display precision >=0.1V/A;The electrical control and monitoring system and power supply list
Member is connect with the electrolyzer electric, and the top of the electrolytic cell is equipped with gas collection unit.
2. high purity indium preparation facilities according to claim 1, it is characterised in that: the electrolysis cycle system includes Lower tank
And head tank, the side of the Lower tank are connect by circulating line with the lower part of the electrolytic cell, the side of the head tank
It is connect by circulating line with the top of the electrolytic cell, the other side of the Lower tank is another by pipeline and the head tank
Side connection, is equipped with circulating pump, on the top of the closely described electrolytic cell of the circulating line at the closely described Lower tank of the pipeline
The circulating line at place is equipped with flow control valve;The PH detection sensor is mounted on the Lower tank;This system is
Automatic cycle, endless form are any of upper entering and lower leaving or enterprising upper next-out.
3. high purity indium preparation facilities according to claim 1 or 2, it is characterised in that: the PH detection sensor is PH spy
Stylus.
4. high purity indium preparation facilities according to claim 1 or 2, it is characterised in that: the electrical control and monitoring system
Including host computer group state layer, the host computer group state layer is sent out to multiple intensive data process block layers respectively by communication switcher layer
The control instruction is transmitted to the electrolytic cell by control instruction out, the intensive data process block layer, and the electrolytic cell is in electricity
Data in solution preocess pass back to host computer group state layer by data collection layer, and the data include the bath voltage, electricity
Stream, pH value.
5. high purity indium preparation facilities according to claim 4, it is characterised in that: the intensive data process block layer is by PLC
Controller and external equipment are constituted.
6. high purity indium preparation facilities according to claim 4, it is characterised in that: the data collection layer is by voltage sensor
Device, current sensor and PH detection sensor are constituted.
7. high purity indium preparation facilities according to claim 1 or 2, it is characterised in that: the gas collection unit includes collection
Gas hood, the gas gathering mask are in broadening formation, and collection port is provided with air-valve and anti-down flow device, the air-valve and anti-down flow device
The other end connects exhaust duct.
8. high purity indium preparation facilities according to claim 1 or 2, it is characterised in that: the electrolytic cell is provided with overflow port
And weif orifice, it is arranged by the way of in parallel between multiple-grooved series connection plus slot, anode and cathode, anode and cathode staggered row is placed in slot
Column, anode quantity are n, and cathode quantity is n or n+1, and the cathode is titanium plate, and current-carrying part is titanium copper-clad structure;Busbar material
Matter is copper or high purity graphite, and busbar integrally coats insulating corrosion coating and conductive opening.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910837831.7A CN110438529A (en) | 2019-09-05 | 2019-09-05 | High purity indium preparation facilities |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910837831.7A CN110438529A (en) | 2019-09-05 | 2019-09-05 | High purity indium preparation facilities |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110438529A true CN110438529A (en) | 2019-11-12 |
Family
ID=68439229
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910837831.7A Pending CN110438529A (en) | 2019-09-05 | 2019-09-05 | High purity indium preparation facilities |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110438529A (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113219217A (en) * | 2021-04-23 | 2021-08-06 | 先导薄膜材料(广东)有限公司 | On-line monitoring device and method for electrolytic cell and computer readable storage medium |
CN113668017A (en) * | 2021-08-11 | 2021-11-19 | 广东长信精密设备有限公司 | High-purity indium apparatus for producing |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1314500A (en) * | 2000-03-22 | 2001-09-26 | 中南工业大学 | Automatic controller for fully distributed aluminum electrolyzing bath |
CN2786158Y (en) * | 2005-05-17 | 2006-06-07 | 四川鑫炬矿业资源开发股份有限公司 | Electrolytic refining device for extracting high purity metal |
CN2791070Y (en) * | 2005-05-19 | 2006-06-28 | 大连科思特固态化学材料有限公司 | Automatic controller for closed loop electrolytic silver recovery |
CN202164364U (en) * | 2011-06-17 | 2012-03-14 | 贵研铂业股份有限公司 | Electrochemical dissolving device for precious metals and alloys |
CN103108997A (en) * | 2010-08-11 | 2013-05-15 | 奥图泰有限公司 | Apparatus for use in electrorefining and electrowinning |
CN103103575A (en) * | 2012-12-13 | 2013-05-15 | 苏州新区化工节能设备厂 | Electrolyser applicable to titanium cathode plates |
CN205676541U (en) * | 2016-04-01 | 2016-11-09 | 福建师范大学福清分校 | A kind of intelligent wireless electrolytic silver control system based on ARM |
CN208472197U (en) * | 2018-07-09 | 2019-02-05 | 江西龙天勇有色金属有限公司 | Thick indium impurity removing equipment |
CN109930173A (en) * | 2019-04-12 | 2019-06-25 | 深圳市祺鑫天正环保科技有限公司 | Electrolysis proposes copper equipment and its monitoring method |
-
2019
- 2019-09-05 CN CN201910837831.7A patent/CN110438529A/en active Pending
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN1314500A (en) * | 2000-03-22 | 2001-09-26 | 中南工业大学 | Automatic controller for fully distributed aluminum electrolyzing bath |
CN2786158Y (en) * | 2005-05-17 | 2006-06-07 | 四川鑫炬矿业资源开发股份有限公司 | Electrolytic refining device for extracting high purity metal |
CN2791070Y (en) * | 2005-05-19 | 2006-06-28 | 大连科思特固态化学材料有限公司 | Automatic controller for closed loop electrolytic silver recovery |
CN103108997A (en) * | 2010-08-11 | 2013-05-15 | 奥图泰有限公司 | Apparatus for use in electrorefining and electrowinning |
CN202164364U (en) * | 2011-06-17 | 2012-03-14 | 贵研铂业股份有限公司 | Electrochemical dissolving device for precious metals and alloys |
CN103103575A (en) * | 2012-12-13 | 2013-05-15 | 苏州新区化工节能设备厂 | Electrolyser applicable to titanium cathode plates |
CN205676541U (en) * | 2016-04-01 | 2016-11-09 | 福建师范大学福清分校 | A kind of intelligent wireless electrolytic silver control system based on ARM |
CN208472197U (en) * | 2018-07-09 | 2019-02-05 | 江西龙天勇有色金属有限公司 | Thick indium impurity removing equipment |
CN109930173A (en) * | 2019-04-12 | 2019-06-25 | 深圳市祺鑫天正环保科技有限公司 | Electrolysis proposes copper equipment and its monitoring method |
Non-Patent Citations (2)
Title |
---|
王鲁杨等: "《工业用电设备》", 30 September 2006, 中国电力出版社 * |
程永红等: "《铜电解精炼工(铜电解工、硫酸盐工)》", 31 July 2013, 冶金工业出版社 * |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113219217A (en) * | 2021-04-23 | 2021-08-06 | 先导薄膜材料(广东)有限公司 | On-line monitoring device and method for electrolytic cell and computer readable storage medium |
CN113668017A (en) * | 2021-08-11 | 2021-11-19 | 广东长信精密设备有限公司 | High-purity indium apparatus for producing |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US7470356B2 (en) | Wireless monitoring of two or more electrolytic cells using one monitoring device | |
CN110438529A (en) | High purity indium preparation facilities | |
CN203795011U (en) | Remote intelligent control type electroplating production line | |
CN101114000A (en) | Electrolyze polar plate status intelligent detecting method and system | |
CN101799692B (en) | Water level control method and device for control signal acquired from earth | |
CN109183057A (en) | Electrolysis method prepares the method and device of high-purity indium oxide powder | |
CN107829112A (en) | A kind of aluminium electrolysis cell anode carbon block current balance type control system and method | |
CN213210422U (en) | Short circuit detection device for cyclone electrolytic cell | |
CN207091520U (en) | A kind of turbulent flow electrowinning plant for being used to handle waste silver electrolyte | |
CN104532293A (en) | Method of purifying nickel from chemical nickel-plating waste liquid and nickel purification device | |
CN102251260B (en) | Continuous testing for aluminum electrolysis cell controls adjusting apparatus | |
CN203065615U (en) | Automatic control device for waste copper sulfate electrolyte | |
CN106835255A (en) | A kind of turbulent flow electrodeposition method and corollary apparatus and modularization expand scheme | |
CN107419300B (en) | A kind of intelligence control system and control method of chlorination calcium molten salt electrolysis production calcium metal | |
CN103774179A (en) | Device and method for automatic control of additive in copper electrolysis production | |
CN201732301U (en) | Water level control device with control signal derived from ground | |
CN205188470U (en) | Environmental protection continuous control electroplating device | |
CN211036112U (en) | Device for realizing corrosion resistance of seawater equipment by utilizing solar power generation | |
EP3417094A1 (en) | Method of monitoring individual anode currents in an electrolytic cell suitable for the hall-heroult electrolysis process | |
CN209836326U (en) | Electrolytic plant and electrolytic cell layout structure of aluminum electrolytic cell series | |
CN103320815B (en) | Cell insulation detection device | |
CN105463513A (en) | Aluminum electrolysis production aluminum oxide concentration online monitoring method and device | |
CN207313718U (en) | A kind of turbulent flow electrodeposition medium-sized tester | |
CN107069920B (en) | Power transmission line energy taking device based on piezoelectric material and energy taking method thereof | |
CN210657170U (en) | Electrical control and monitoring system of high-purity indium preparation device |
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 |
Application publication date: 20191112 |
|
RJ01 | Rejection of invention patent application after publication |