CN106621812A - Nano catalyst full-automatic cleaning device - Google Patents
Nano catalyst full-automatic cleaning device Download PDFInfo
- Publication number
- CN106621812A CN106621812A CN201611215188.7A CN201611215188A CN106621812A CN 106621812 A CN106621812 A CN 106621812A CN 201611215188 A CN201611215188 A CN 201611215188A CN 106621812 A CN106621812 A CN 106621812A
- Authority
- CN
- China
- Prior art keywords
- nanocatalyst
- full
- automatic
- cleaning chamber
- ultrafiltration membrane
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/145—Ultrafiltration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D61/00—Processes of separation using semi-permeable membranes, e.g. dialysis, osmosis or ultrafiltration; Apparatus, accessories or auxiliary operations specially adapted therefor
- B01D61/14—Ultrafiltration; Microfiltration
- B01D61/18—Apparatus therefor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D63/00—Apparatus in general for separation processes using semi-permeable membranes
- B01D63/08—Flat membrane modules
- B01D63/082—Flat membrane modules comprising a stack of flat membranes
Landscapes
- Engineering & Computer Science (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention provides a nano catalyst full-automatic cleaning device which comprises a cleaning cavity, a peristaltic pump, an aeration pipe and at least one ultrafiltration membrane module, wherein the ultrafiltration membrane module is fixed inside the cleaning cavity; a water inlet and a discharging hole are mounted in the cleaning cavity; the ultrafiltration membrane module comprises multiple ultrafiltration membrane units, and each ultrafiltration membrane unit is a sealed unit composed of multiple plate ultrafiltration membranes; a water drainage port of the peristaltic pump is arranged among the plate ultrafiltration membranes, the pore diameter of each plate ultrafiltration membrane is smaller than the particle size of a nano catalyst cluster, and filtered waste liquor is drained from the water drainage port; an ion concentration detector is arranged at the water drainage port; and the aeration pipe is connected with an external air pump, air is continuously blown to the cleaning cavity during operation, and thus a nano catalyst is prevented from being accumulated. The nano catalyst full-automatic cleaning device provided by the invention has the advantages that the nano catalyst can be quickly cleaned, batched large-scale production can be carried out, real-time monitoring detection can be facilitated, the workload of personnel is reduced, and the production efficiency is improved.
Description
Technical field
The present invention relates to a kind of Full-automatic, more particularly to a kind of nanocatalyst Full-automatic.
Background technology
In recent years, the development of nanometer science and technology has widely penetrated into catalyticing research field, wherein most typical reality
Example is exactly the booming of the appearance of nanocatalyst and research associated therewith.Nanostructured materials catalyst has unique crystal knot
Structure and surface characteristic.Nanocatalyst has the features such as specific surface area is big, surface-active is high, show many traditional catalysts without
The excellent specific property of method analogy；Additionally, nanocatalyst also shows the performances such as excellent electro-catalysis, magnetic catalysis.
Nanocatalyst is particle of the size between 1～100nm, due to good catalysis activity and selectivity,
By the pro-gaze of industry.But nanocatalyst generally requires to add a certain amount of surface to live during preparing containing solvent
Property agent maintain its nanoscale, therefore how to obtain that purity is high, the nanocatalyst of clean surface is the difficult problem in preparation process
One of.Generally nanocatalyst is cleaned using vacuum filter mode in experiment, need manually to carry out cleaning to change water, its process efficiency
It is low, expend the time it is long, and clean amount affected by filter physical dimension itself, single dose below gram level, no
Suitable prepare with scale and monitor in real time.
Prior art is usually used vacuum filtering system, and milipore filter size is affected by physical dimension in the middle of filter,
Thus usable floor area is less；The amount of filtration is limited；Manually add water after having cleaned every time, whole process needs artificial monitoring；With
The continuous reduction of solvent, catalyst is piled up in ultrafiltration membrane surface, causes nanocatalyst cleaning uneven, and blocks milipore filter
Duct, it is more longer to the time taken below；Decide whether that cleaning process is completed in cleaning process by rule of thumb, qualification rate is low.
The content of the invention
(1) technical problem to be solved
The technical problem to be solved in the present invention be to provide it is a kind of it is full automatic, nanocatalyst cleaning is uniform, can criticize
Amount large-scale production, be easy to monitor in real time detect nanocatalyst Full-automatic.
(2) technical scheme
To solve above-mentioned technical problem, the present invention provides a kind of nanocatalyst Full-automatic, including：Cleaning
Chamber, peristaltic pump and at least one hyperfiltration membrane assembly；The hyperfiltration membrane assembly is fixed on the inside in the cleaning chamber near bottom
Position, the cleaning chamber is provided with water inlet and drain hole, and the water inlet is arranged on the top end position in the cleaning chamber, described
Drain hole is arranged on cleaning chamber end position on the lower；The hyperfiltration membrane assembly includes multiple ultrafiltration film units, the milipore filter
Unit is the sealing unit being made up of multiple flat plate ultrafiltration membranes；In the technical program, the ultrafiltration film unit is that 2 flat boards surpass
The sealing unit of filter membrane composition, 2 flat plate ultrafiltration membranes are parallel to each other, and each surpasses described in the discharge outlet connection of the peristaltic pump
Filter membrane unit, the discharge outlet is arranged between 2 flat plate ultrafiltration membranes, and the aperture of the flat plate ultrafiltration membrane is urged less than nanometer
Agent clustered particles size, makes the solvent waste liquid for not containing nanocatalyst pass through the hyperfiltration membrane assembly by the peristaltic pump
Flow out from the discharge outlet, reach the purpose of concentration nanocatalyst slurry.Some apertures in nanocatalyst slurry are less than
Surfactant, the zwitterion of the flat plate ultrafiltration membrane is (such as Na+、K+、Mg2+、Ca2+、Cl-、Br-、I-、SO4 -、CH3COO-Deng)
And other materials that can be dissolved in a solvent can be discharged with waste liquid solvent.The discharge outlet is provided with ion concentration detector, institute
The ion concentration that ion concentration detector is used to detect in waste liquid solvent is stated, the ion concentration detector can simultaneously monitor waste liquid
Electrical conductivity.
Further, the water inlet is provided with the first control valve, and the drain hole is provided with the second control valve, the cleaning chamber
Water level controller is inside installed, the liquid water level in the cleaning chamber is less than after setting value, and the water level controller control is described
First control valve is opened, and the water inlet injects ultra-pure water toward in the cleaning chamber to certain height of water level, and then described the
One control valve is closed.
Further, it is described when the ion concentration in the ion concentration detector detection waste liquid solvent is less than setting value
Water level controller and the first control valve recirculated work once after, it is ensured that in place, then the second control valve is beaten for cleaning
Open and discharge the nanocatalyst after cleaning from the drain hole.
Further, the bottom in the cleaning chamber is provided with aeration tube, and the aeration tube connects air inlet, the air inlet
Air pump outside connection.Nanocatalyst in cleaning process is filtered due to weight, surfactant and the ion of itself not
It is disconnected to remove, it may occur that sedimentation is assembled.By the inlet charge, the aeration tube sends in the bottom in the cleaning chamber
Bubble, keeps the dispersion of nanocatalyst, and nanocatalyst will not be settled in whole process, and be added newly ultrapure
The effect of dispersed with stirring is also acted as after water.
When using, it would be desirable to which the nanocatalyst solvent for filtering cleaning is poured in the cleaning chamber, the peristaltic pump and institute
Aeration tube start-up operation is stated, the discharge outlet is arranged between 2 flat plate ultrafiltration membranes, during the wriggling pump work, to institute
State discharge outlet to be evacuated, the pressure between 2 flat plate ultrafiltration membranes starts to reduce, the surfactant that includes in solvent,
Zwitterion etc. less than the flat plate ultrafiltration membrane aperture material will flat plate ultrafiltration membrane filtration described in Jing, then with waste liquid solvent
Flow out from the discharge outlet；After the water level controller detects water level in the cleaning chamber is less than setting value, it is described enter
Ultra-pure water is injected in the mouth of a river toward in the cleaning chamber, and constantly the nanocatalyst in solvent is cleaned as circulation, filters
Impurity；After the ion concentration that ion concentration detector is detected in the discharge outlet waste liquid is less than preset value, the peristaltic pump
Work on, the first control valve works again once, and the control water inlet re-injects ultra-pure water carries out cleaning filtration, most
Afterwards the second control valve is opened and discharges the nanocatalyst after cleaning from the drain hole, recycling cleaning benefit once
It is to be able to ensure that nanocatalyst is cleaned in place, improves filter quality.
Further, the pore size of the flat plate ultrafiltration membrane is the granular size according to nanocatalyst determining,
The aperture of the flat plate ultrafiltration membrane is less than the granular size of nanocatalyst, more than the surfactant in solvent, zwitterion
Deng material, the aperture of the flat plate ultrafiltration membrane can be 220nm.
Further, the pore size of the flat plate ultrafiltration membrane 7 is 110nm, 300nm or 500nm.
(3) beneficial effect
Nanocatalyst Full-automatic of the present invention by hyperfiltration membrane assembly by diameter less than nanocatalyst
Grain impurity, ion filter fall, and peristaltic pump increased the efficiency for filtering cleaning, the high degree of automation of whole system, production efficiency
Height, is adapted to large-scale production.
Description of the drawings
Fig. 1 is the structural representation of nanocatalyst Full-automatic of the present invention；
Fig. 2 is the structural representation of nanocatalyst Full-automatic ultrafiltration film unit of the present invention；
Fig. 3 is the structural representation of nanocatalyst Full-automatic hyperfiltration membrane assembly of the present invention；
Wherein：1 for cleaning chamber, 2 be peristaltic pump, 3 be hyperfiltration membrane assembly, 4 be water inlet, 5 be drain hole, 6 be milipore filter
Unit, 7 be flat plate ultrafiltration membrane, 8 be discharge outlet, 9 be air inlet, 10 be ion concentration detector, 11 be the first control valve, 12 be
Second control valve, 13 be water level controller, 14 be aeration tube.
Specific embodiment
Embodiment one：
Refering to Fig. 1～Fig. 3, the present invention provides a kind of nanocatalyst Full-automatic, including：Cleaning chamber 1, wriggling
Pump 2 and at least one hyperfiltration membrane assembly 3；Hyperfiltration membrane assembly 3 is fixed on the inside in cleaning chamber 1, according to the needs of actual cleaning with
And the inner space size in cleaning chamber 1, hyperfiltration membrane assembly 3 can be arranged in parallel as 2 or more numbers, and cleaning chamber 1 is installed
There are water inlet 4 and drain hole 5, hyperfiltration membrane assembly 3 includes multiple ultrafiltration film units 6, and ultrafiltration film unit 6 is by multiple flat plate ultrafiltrations
The sealing unit of the composition of film 7, refering to Fig. 2, the ultrafiltration film unit 6 in the present embodiment is the sealing being made up of 2 flat plate ultrafiltration membranes 7
Unit, 2 flat plate ultrafiltration membranes 7 are arranged in parallel；The discharge outlet 8 of peristaltic pump 2 connects each ultrafiltration film unit 6, and discharge outlet 8 sets
Put between 2 flat plate ultrafiltration membranes 7, refering to Fig. 2 and Fig. 3, hyperfiltration membrane assembly 3 is 1 in the present embodiment, flat plate ultrafiltration membrane 7
Aperture is less than nanocatalyst clustered particles size, makes not containing the solvent of nanocatalyst through super by the pumping of peristaltic pump 2
Filter membrane component 3 flows out from discharge outlet 8, reaches the purpose of concentration nanocatalyst slurry.A some holes in nanocatalyst slurry
Footpath is less than surfactant, the zwitterion of flat plate ultrafiltration membrane 7 (such as Na+、K+、Mg2+、Ca2+、Cl-、Br-、I-、SO4 -、CH3COO-
Deng) and other can dissolve materials in a solvent and discharge with waste liquid solvent.Discharge outlet 8 is provided with ion concentration detector 10, from
Sub- concentration detector 10 is used to detect the ion concentration being filtered in waste liquid.
Refering to Fig. 1, the bottom for cleaning chamber 1 is provided with aeration tube 14, and aeration tube 14 is connected with air inlet 9.Water inlet 4 is provided with
First control valve 11, drain hole 5 is provided with the second control valve 12, water level controller 13 is provided with cleaning chamber 1, in cleaning chamber 1
Less than after setting value, the control of water level controller 13 first controls valve 11 and opens the injection ultra-pure water toward in cleaning chamber 1 liquid water level.
Wherein, when the ion concentration in the detection of ion concentration detector 10 waste liquid is less than setting value, the He of water level controller 13
After first controls the recirculated work of valve 11 once, the second control valve 12 is opened the nanocatalyst after cleaning from the row of drain hole 5
Go out.
Nanocatalyst in the present embodiment is platinum nanoparticles, the diameter of single nano platinum particle 3～8nm it
Between, because nano particle is mutually reunited, the size of nano-particle cluster is in 290～350nm (nano-particle size analysis instrument test knots
Really, Malvern Z90) between.The liquor capacity that the containing platinum nano-particle of filtration need to be cleaned is 50 liters, containing platinum metal nano-particle
20 grams, cleaning ion is needed to have Cl-, Na+, CH3COO-, the aperture of the flat plate ultrafiltration membrane 7 of selection is 220nm, and composition size is
6,4 such ultrafiltration film units 6 of ultrafiltration film unit of 150mm × 150mm × 15mm are simultaneously unified into hyperfiltration membrane assembly 3, peristaltic pump 2
Flow velocity be set to 0.75L/Min, the gas velocity of aeration tube 14 is 5000ml/Min, because halogen is inhaled in catalyst surface
Attached property is strong, so the ion concentration detector 10 of the present embodiment is used to detect detect in waste liquid Cl-Concentration, under ion concentration
Limit setting value is 10e-7Mol/L, while ion concentration detector 10 monitors the electrical conductivity of waste liquid, the lower limit set value of electrical conductivity is
18MΩ/cm.When using, it would be desirable to which the nano platinum particle solvent for filtering cleaning is poured in cleaning chamber 1, peristaltic pump 2 and aeration tube 14
Start working, the solvent between 2 flat plate ultrafiltration membranes 7 of discharge outlet 8 pair is vacuumized, due to due to pressure reduces, solvent
It is interior comprising surfactant, zwitterion etc. less than the aperture of flat plate ultrafiltration membrane 7 material, will Jing flat plate ultrafiltration membranes 7 filter, from
Discharge outlet 8 flows out with waste liquid solvent；After water level controller 13 detects the water level in cleaning chamber 1 is less than setting value, water inlet 4
Injection ultra-pure water is constantly carried out as circulation to certain height of water level to the nano platinum particle in solvent toward in cleaning chamber 1
Cleaning, impurity screening；When ion concentration detector 10 detects the Cl in the waste liquid of discharge outlet 8-Ion concentration is less than preset value 10e-7After mol/L, peristaltic pump 2 works on, and the first control valve 11 works again once, and the control injection ultra-pure water of water inlet 4 is cleaned
Filter, the second last control valve 12 is opened and discharges the nanocatalyst after cleaning from drain hole 5.Recycling is cleaned once, energy
Enough guarantee that nano platinum particle is cleaned in place, improve filter quality.Compare traditional with manually being cleaned, the cleaning for greatly improving
Efficiency and quality, automatization level is high, is easy to mass production.
In the present embodiment, the pore size of flat plate ultrafiltration membrane 7 is 220nm.According to the nanocatalyst that need to clean filtration
Granular size determining the pore size of flat plate ultrafiltration membrane 7, according to actual needs, the pore size of flat plate ultrafiltration membrane 7 also may be used
To select as 110nm, 300nm or 500nm.
Diameter is less than nano-catalytic bolus by the present embodiment nanocatalyst Full-automatic by hyperfiltration membrane assembly
The granule foreign of cluster, ion filter fall, and peristaltic pump increased the efficiency for filtering cleaning, and the high degree of automation of whole system is raw
Efficiency high is produced, is adapted to large-scale production.
Embodiment two：
The present embodiment is that ultrafiltration film unit 6 is the sealing list of 4 compositions of flat plate ultrafiltration membrane 7 with the difference of embodiment one
Unit, is separately positioned on 4 end faces all around of sealing unit, discharge outlet 8 be arranged on the upper surface of sealing unit or under
On end face, flat plate ultrafiltration membrane 7 is set to 4 so that the overall rate of filtration is faster, in hgher efficiency.
Diameter is less than nano-catalytic bolus by the present embodiment nanocatalyst Full-automatic by hyperfiltration membrane assembly
The granule foreign of cluster, ion filter fall, and peristaltic pump increased the efficiency for filtering cleaning, and the high degree of automation of whole system is raw
Efficiency high is produced, is adapted to large-scale production.
The above is only the preferred embodiment of the present invention, it is noted that for the ordinary skill people of the art
For member, on the premise of without departing from the technology of the present invention principle, some improvements and modifications can also be made, these improvements and modifications
Also should be regarded as protection scope of the present invention.
Claims (7)
1. a kind of nanocatalyst Full-automatic, it is characterised in that include：Cleaning chamber (1), peristaltic pump (2) and extremely
Few 1 hyperfiltration membrane assembly (3)；The hyperfiltration membrane assembly (3) is fixed on the inside of the cleaning chamber (1), cleaning chamber (1) peace
Equipped with water inlet (4) and drain hole (5), the hyperfiltration membrane assembly (3) includes multiple ultrafiltration film units (6), the milipore filter list
First (6) are the sealing unit being made up of multiple flat plate ultrafiltration membranes (7)；Discharge outlet (8) connection of the peristaltic pump (2) it is described each
Ultrafiltration film unit (6), the discharge outlet (8) is arranged between the flat plate ultrafiltration membrane (7), and the waste liquid solvent after filtration is from described
Discharge outlet (8) is discharged；The discharge outlet (8) is provided with ion concentration detector (10).
2. nanocatalyst Full-automatic as claimed in claim 1, it is characterised in that the water inlet (4) is provided with
First control valve (11), the drain hole (5) is provided with the second control valve (12), the cleaning chamber (1) and is provided with water lev el control
Device (13), the liquid water level in the cleaning chamber (1) less than after setting value, control by water level controller (13) control described first
Valve (11) processed opens the injection ultra-pure water toward in the cleaning chamber (1).
3. nanocatalyst Full-automatic as claimed in claim 2, it is characterised in that the ion concentration detector
(10) when detecting that the ion concentration of the waste liquid is less than setting value, the water level controller (13) and described first controls valve (11)
Recirculated work once after, it is described second control valve (12) open by the nanocatalyst after cleaning from the drain hole (5) arrange
Go out.
4. nanocatalyst Full-automatic as claimed in claim 1, it is characterised in that the bottom of the cleaning chamber (1)
Portion is provided with aeration tube (14), and the aeration tube (14) is connected with air inlet (9), the air pump outside air inlet (9) connection.
5. the nanocatalyst Full-automatic as described in any one of Claims 1-4, it is characterised in that the flat board
The aperture of milipore filter (7) is less than nanocatalyst clustered particles size.
6. nanocatalyst Full-automatic as claimed in claim 5, it is characterised in that the flat plate ultrafiltration membrane (7)
Pore size be 220nm.
7. nanocatalyst Full-automatic as claimed in claim 5, it is characterised in that the flat plate ultrafiltration membrane (7)
Pore size be 110nm, 300nm or 500nm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215188.7A CN106621812A (en) | 2016-12-26 | 2016-12-26 | Nano catalyst full-automatic cleaning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611215188.7A CN106621812A (en) | 2016-12-26 | 2016-12-26 | Nano catalyst full-automatic cleaning device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN106621812A true CN106621812A (en) | 2017-05-10 |
Family
ID=58827930
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611215188.7A Pending CN106621812A (en) | 2016-12-26 | 2016-12-26 | Nano catalyst full-automatic cleaning device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106621812A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882728A (en) * | 2019-11-05 | 2020-03-17 | 苏州科环环保科技有限公司 | Catalyst off-line cleaning method and device |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202061549U (en) * | 2011-04-12 | 2011-12-07 | 合肥禹王膜工程技术有限公司 | Reverse membrane separation device for nanopowder |
-
2016
- 2016-12-26 CN CN201611215188.7A patent/CN106621812A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202061549U (en) * | 2011-04-12 | 2011-12-07 | 合肥禹王膜工程技术有限公司 | Reverse membrane separation device for nanopowder |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110882728A (en) * | 2019-11-05 | 2020-03-17 | 苏州科环环保科技有限公司 | Catalyst off-line cleaning method and device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| WO2018072281A1 (en) | Device for extracting hydrophobic dissolved humic acid from fresh water body | |
| CN205199084U (en) | Novel solid -liquid separation leaching device | |
| CN203648903U (en) | Full-automatic suction filtration and cleaning system for powder materials | |
| CN106621812A (en) | Nano catalyst full-automatic cleaning device | |
| CN205914442U (en) | Silver powder washing tank | |
| CN215310617U (en) | Raw materials adds device for sodium hypochlorite solution production | |
| CN205925112U (en) | Automatic water suction filter device wastes discharge | |
| CN110560182B (en) | Advanced treatment resin regeneration device for drinking water | |
| CN214551431U (en) | Variable-pore filter | |
| CN109110960A (en) | The preparation method of the nano zero valence iron of sewage disposal system, processing method and modification infusorial earth load based on nano zero valence iron | |
| CN112452156A (en) | Novel microfiltration system for automatic bidirectional backwashing | |
| CN212609890U (en) | Sewage processor | |
| CN202061549U (en) | Reverse membrane separation device for nanopowder | |
| CN209362028U (en) | A kind of mechanical filter | |
| CN208182730U (en) | Chemical waste liquid filter device equipped with inclination strainer | |
| CN214287585U (en) | Novel microfiltration system for automatic bidirectional backwashing | |
| CN110013723A (en) | A kind of industrial dedusting dust-extraction unit easy to repair with sterilizing function | |
| CN205925113U (en) | Vacuum suction filter device is used in laboratory | |
| CN213375445U (en) | Filter cloth dehydrator | |
| CN219023908U (en) | High-precision filtering equipment based on rotary filtering membrane | |
| CN214654017U (en) | Zirconia waste water filter equipment | |
| CN212167767U (en) | Multifunctional sand washing machine | |
| CN218572905U (en) | Candle formula diatomaceous earth filter | |
| CN113089765B (en) | Secondary water supply anti-overflow water protection equipment | |
| CN213077672U (en) | Precise filtering device for producing disinfectant |
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: 20170510 |
|
| RJ01 | Rejection of invention patent application after publication |