CN109433138A - A kind of efficient hybrid reactor of Chemical Manufacture - Google Patents
A kind of efficient hybrid reactor of Chemical Manufacture Download PDFInfo
- Publication number
- CN109433138A CN109433138A CN201811506255.XA CN201811506255A CN109433138A CN 109433138 A CN109433138 A CN 109433138A CN 201811506255 A CN201811506255 A CN 201811506255A CN 109433138 A CN109433138 A CN 109433138A
- Authority
- CN
- China
- Prior art keywords
- shaft
- tank body
- rotating shaft
- chemical manufacture
- cover
- 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.)
- Withdrawn
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/18—Stationary reactors having moving elements inside
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/0066—Stirrers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00049—Controlling or regulating processes
- B01J2219/00051—Controlling the temperature
- B01J2219/00132—Controlling the temperature using electric heating or cooling elements
- B01J2219/00135—Electric resistance heaters
Abstract
The invention discloses a kind of efficient hybrid reactors of Chemical Manufacture, including tank body, cover is installed above the tank body, the cover upper center is rotatably connected to first rotating shaft, the first rotating shaft lower end is through tank interior, the first rotating shaft two sides are respectively equipped with the second shaft and third shaft, second shaft and third shaft are rotationally connected with cover, the first rotating shaft, the second shaft and third shaft upper end are respectively connected with driving device, are equipped with lifting arrangement below the first rotating shaft.Pass through the setting of the first driven pulley, the second driven pulley, the first belt and the second belt, so that driving motor drives the second shaft and the rotation of third shaft, so that the first paddle and the second paddle in the second shaft and third shaft carry out material mixing in reaction kettle inner rotation, when the direction of rotation of the second shaft and third shaft on the contrary, the material hybrid perturbation of rotation will increase, and raising is stirred efficiency.
Description
Technical field
The present invention relates to chemical reaction kettle technical field, specially a kind of efficient hybrid reactor of Chemical Manufacture.
Background technique
The synthetic method of polymer generally using by several polymer reaction monomers used and meanwhile be put into reaction kettle into
Row polymerization reaction.Such as application No. is the reaction kettles of one kind of multiple monomer polymerization reactions of CN201610274660.8, including reaction
Kettle ontology, feed inlet, discharge port, blender, reacting kettle jacketing, reacting kettle jacketing water inlet, reacting kettle jacketing water outlet;It is described
Reaction kettle bodies top is equipped with several feed inlets;The reaction kettle body bottom portion is equipped with a discharge port;The reaction kettle sheet
It is equipped with reacting kettle jacketing in vitro;External heating cooling chamber is formed between the reacting kettle jacketing and reaction kettle ontology;The reaction
The bottom of kettle collet is equipped with reacting kettle jacketing water inlet;The top of the reacting kettle jacketing is equipped with reacting kettle jacketing water outlet;Institute
It states in reaction kettle ontology and is equipped with blender along center line;The blender includes servo motor, agitating shaft and agitating paddle;It is described to watch
Take the top that reaction kettle ontology is arranged in motor;The agitating shaft is connect with servo motor;The agitating paddle and stirring axis connection.
Aforesaid reaction vessel is by adding reacting kettle jacketing on the outside of reaction kettle ontology, to reacting kettle jacketing and reaction kettle sheet
Injection heating agent or refrigerant in the external heating cooling chamber formed between body can effectively carry out the intrinsic temperature of reaction kettle
Control.The middle line shaft position of reaction kettle ontology is equipped with blender;The agitating paddle of blender of the invention is arranged in up-side down triangle, energy
It is enough that the intrinsic raw material of reaction kettle is effectively subjected to Stirring, and accurately control reaction speed.
But aforesaid reaction vessel compared with common reaction kettle, is stirred speed all more when being reacted
Slowly, material reaction mixing efficiency is lower, so providing a kind of efficient hybrid reactor of Chemical Manufacture to solve above-mentioned appearance
Problem very it is necessary to.
Summary of the invention
The purpose of the present invention is to provide a kind of efficient hybrid reactors of Chemical Manufacture, to solve to mention in above-mentioned background technique
Out the problem of.
To achieve the above object, the invention provides the following technical scheme: a kind of efficient hybrid reactor of Chemical Manufacture, including
Tank body, is equipped with cover above the tank body, and the cover upper center is rotatably connected to first rotating shaft, under the first rotating shaft
Through tank interior, the first rotating shaft two sides are respectively equipped with the second shaft and third shaft at end, second shaft and the
Three shafts are rotationally connected with cover, and the first rotating shaft, the second shaft and third shaft upper end are respectively connected with driving device, institute
It states and lifting arrangement is installed below first rotating shaft, be fixedly connected with the first paddle on the outside of second shaft, described second turn
The second paddle is fixedly connected on the outside of axis, the tank interior side wall is equipped with electric heater, and the tank interior side wall is solid
Surely baffle several groups are connected with.
Preferably, the driving device includes driving motor, driving pulley, the first driven pulley and the second driven belt
Wheel, the driving pulley are mounted on first rotating shaft upper end, and first driven pulley is installed on the second shaft upper end, and described second
Driven pulley is installed on third shaft upper end, and the driving motor output end is connected to first rotating shaft, the master by shaft coupling
It is connected with the first belt between movable belt pulley and the first driven pulley, is connected between the driving pulley and the second driven pulley
Two belts.
Preferably, the lifting arrangement includes jacket and helical blade, is fixedly connected on the outside of the helical blade
Jacket inner wall, the helical blade are fixedly connected on first rotating shaft lower end.
Preferably, the jacket is horn-like structure.
Preferably, the tank body two sides are respectively equipped with the first reagent adding mouth and the second reagent adding mouth, the tank body bottom
End is equipped with discharge gate, is mounted on valve in the discharge gate, the first reagent adding mouth and the second reagent adding mouth.
Preferably, it is equipped with exhaust pipe above the cover, valve is installed on the exhaust pipe.
Preferably, open slot is provided on the baffle, the baffle and open slot are convex structure.
Preferably, the cover two sides and tank body two sides are mounted on lock.
Preferably, the tank body bottom end is fixedly connected with support frame, is equipped with shield above the cover.
Compared with prior art, the beneficial effects of the present invention are: a kind of efficient hybrid reactor of Chemical Manufacture of the present invention, knot
Structure is novel, and the mixed material inside reaction kettle is enabled to carry out rapidly and efficiently hybrid reaction, improves the hybrid reaction effect of material
Rate.The driving pulley rotation in first rotating shaft and first rotating shaft is driven by the driving motor in driving device, so that the
Helical blade in lifting arrangement and jacket below one shaft rotate together, so that the material of tank base is by helical blade
It rotates and upgrades to tank body, by the setting of the first driven pulley, the second driven pulley, the first belt and the second belt, makes
It obtains driving motor and drives the second shaft and the rotation of third shaft, so that the first paddle in the second shaft and third shaft
Material mixing, the direction of rotation phase of the second shaft and third shaft are carried out in reaction kettle inner rotation with the second paddle
Anti-, the material hybrid perturbation of rotation will increase, by the setting of the open slot on baffle and baffle, so that material is in mixing
Baffle can be struck, improve the mixing efficiency of material, by the lock of cover and tank body be arranged, realize cover can with tank body it
Between dismantled, convenient to clean to inside, the setting of shield is protection driving device, the setting of electric heater be so that
Internal mixed material can be heated when reacting.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention;
Fig. 2 is driving device structure schematic diagram of the present invention;
Fig. 3 is lifting arrangement schematic diagram of internal structure of the present invention;
Fig. 4 is baffle arrangement schematic diagram of the present invention.
In figure: 1 tank body, 2 covers, 3 first rotating shafts, 4 second shafts, 5 third shafts, 6 first paddles, 7 second stirrings
Leaf, 8 lifting arrangements, 9 driving devices, 10 jackets, 11 helical blades, 12 electric heaters, 13 baffles, 14 driving motors, 15 masters
Movable belt pulley, 16 first driven pulleys, 17 second driven pulleys, 18 first belts, 19 second belts, 20 first reagent adding mouths,
21 second reagent adding mouths, 22 discharge gates, 23 support frames, 24 open slots, 25 exhaust pipes, 26 shields, 27 locks.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
Fig. 1-4 is please referred to, the present invention provides a kind of technical solution: a kind of efficient hybrid reactor of Chemical Manufacture, including tank
Body 1, is equipped with cover 2 above the tank body 1, and 2 upper center of cover is rotatably connected to first rotating shaft 3, and described first turn
For 3 lower end of axis through inside tank body 1,3 two sides of first rotating shaft are respectively equipped with the second shaft 4 and third shaft 5, and described second
Shaft 4 and third shaft 5 are rotationally connected with cover 2, and the first rotating shaft 3, the second shaft 4 and 5 upper end of third shaft connect
It is connected to driving device 9, lifting arrangement 8 is installed below the first rotating shaft 3, is fixedly connected on the outside of second shaft 4
One paddle 6, is fixedly connected with the second paddle 7 on the outside of second shaft 5,1 internal side wall of tank body be equipped with electricity plus
Hot device 12, the setting by electric heater 12 is heated when allowing internal mixed material reaction, inside the tank body 1
Side wall is fixedly connected with 13 several groups of baffle.
The driving device 9 includes driving motor 14, driving pulley 15, the first driven pulley 16 and the second driven pulley
17, the driving pulley 15 is mounted on 3 upper end of first rotating shaft, and first driven pulley 16 is installed on 4 upper end of the second shaft, institute
It states the second driven pulley 17 and is installed on 5 upper end of third shaft, 14 output end of driving motor is connected to first by shaft coupling
Shaft 3 is connected with the first belt 18, the driving pulley 15 and second between the driving pulley 15 and the first driven pulley 16
It is connected with the second belt 19 between driven pulley 17, passes through the first driven pulley 16, the second driven pulley 17,18 and of the first belt
The setting of second belt 19, so that driving motor 14 drives the second shaft 4 and third shaft 5 to rotate, so that the second shaft 4
With in third shaft 5 the first paddle 6 and the second paddle 7 reaction kettle inner rotation carry out material mixing, second
When the direction of rotation of shaft 4 and third shaft 5 on the contrary, the material hybrid perturbation of rotation will increase.The lifting arrangement 8 includes
There are jacket 10 and helical blade 11,10 inner wall of jacket, the helical blade are fixedly connected on the outside of the helical blade 11
11 are fixedly connected on 3 lower end of first rotating shaft, and driving motor 14 drives 15 turns of driving pulley in first rotating shaft 3 and first rotating shaft 3
It is dynamic, so that the helical blade 11 and jacket 10 in the lifting arrangement 8 of 3 lower section of first rotating shaft rotate together, so that tank body 1
The material of bottom is rotated and upgraded by helical blade 11 to 1 top of tank body.The jacket 10 is horn-like structure.The tank body 1
Two sides are respectively equipped with the first reagent adding mouth 20 and the second reagent adding mouth 21, and 1 bottom end of tank body is equipped with discharge gate 22, described
Valve is mounted in discharge gate 22, the first reagent adding mouth 20 and the second reagent adding mouth 21.The row of being equipped with above the cover 2
Tracheae 25 is equipped with valve on the exhaust pipe 25.Open slot 24, the baffle 13 and open slot 24 are provided on the baffle 13
It is convex structure, by the setting of the open slot 24 on baffle 13 and baffle 13, material is struck in mixing
Baffle 13 improves the mixing efficiency of material.2 two sides of cover and 1 two sides of tank body are mounted on lock 27, pass through 2 He of cover
The lock 27 of tank body 1 is arranged, and realizes that cover 2 can be dismantled between tank body 1, convenient to clean to inside.The tank
1 bottom end of body is fixedly connected with support frame 23, is equipped with shield 26 above the cover 2, and the setting by shield 26 is to protect
Protect driving device 9.
Working principle: a kind of efficient hybrid reactor of Chemical Manufacture of the present invention, structure novel enable to inside reaction kettle
Mixed material carry out rapidly and efficiently hybrid reaction, improve the hybrid reaction efficiency of material.Pass through the driving electricity in driving device 9
Machine 14 drives the driving pulley 15 in first rotating shaft 3 and first rotating shaft 3 to rotate, so that the machine that rises of 3 lower section of first rotating shaft
Helical blade 11 and jacket 10 in structure 8 rotate together so that the material of 1 bottom of tank body by helical blade 11 rotate and upgrade to
1 top of tank body, by the setting of the first driven pulley 16, the second driven pulley 17, the first belt 18 and the second belt 19, so that
Driving motor 14 drives the second shaft 4 and third shaft 5 to rotate, so that first in the second shaft 4 and third shaft 5 stirs
It mixes leaf 6 and the second paddle 7 and carries out material mixing, the rotation of the second shaft 4 and third shaft 5 in reaction kettle inner rotation
When direction on the contrary, the material hybrid perturbation of rotation will increase, and by the setting of the open slot 24 on baffle 13 and baffle 13, make
Baffle 13 can be struck in mixing by obtaining material, improved the mixing efficiency of material, be arranged by the lock 27 of cover 2 and tank body 1,
Realize that cover 2 can be dismantled between tank body 1, convenient to clean to inside, the setting of shield 26 is protection driving
Device 9, the setting of electric heater 12 are heated when allowing internal mixed material reaction.
It although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of variations, modification, replacement can be carried out to these embodiments without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of efficient hybrid reactor of Chemical Manufacture, including tank body (1), it is characterised in that: be equipped with above the tank body (1)
Cover (2), cover (2) upper center are rotatably connected to first rotating shaft (3), and first rotating shaft (3) lower end is through tank
Body (1) is internal, and first rotating shaft (3) two sides are respectively equipped with the second shaft (4) and third shaft (5), second shaft (4)
It is rotationally connected with cover (2) with third shaft (5), the first rotating shaft (3), the second shaft (4) and third shaft (5) upper end
It is respectively connected with driving device (9), is equipped with lifting arrangement (8) below the first rotating shaft (3), on the outside of second shaft (4)
It is fixedly connected with the first paddle (6), is fixedly connected with the second paddle (7), the tank body on the outside of second shaft (5)
(1) internal side wall is equipped with electric heater (12), and tank body (1) internal side wall is fixedly connected with baffle (13) several groups.
2. the efficient hybrid reactor of a kind of Chemical Manufacture according to claim 1, it is characterised in that: the driving device
It (9) include driving motor (14), driving pulley (15), the first driven pulley (16) and the second driven pulley (17), the master
Movable belt pulley (15) is mounted on first rotating shaft (3) upper end, and first driven pulley (16) is installed on the second shaft (4) upper end, institute
It states the second driven pulley (17) and is installed on third shaft (5) upper end, driving motor (14) output end is connected by shaft coupling
The first belt (18), the master are connected between first rotating shaft (3), the driving pulley (15) and the first driven pulley (16)
The second belt (19) are connected between movable belt pulley (15) and the second driven pulley (17).
3. the efficient hybrid reactor of a kind of Chemical Manufacture according to claim 1, it is characterised in that: the lifting arrangement
(8) include jacket (10) and helical blade (11), be fixedly connected on the outside of the helical blade (11) in jacket (10)
Wall, the helical blade (11) are fixedly connected on first rotating shaft (3) lower end.
4. the efficient hybrid reactor of a kind of Chemical Manufacture according to claim 3, it is characterised in that: the jacket (10)
For horn-like structure.
5. the efficient hybrid reactor of a kind of Chemical Manufacture according to claim 1, it is characterised in that: the tank body (1) two
Side is respectively equipped with the first reagent adding mouth (20) and the second reagent adding mouth (21), and tank body (1) bottom end is equipped with discharge gate
(22), valve is mounted in the discharge gate (22), the first reagent adding mouth (20) and the second reagent adding mouth (21).
6. the efficient hybrid reactor of a kind of Chemical Manufacture according to claim 1, it is characterised in that: on the cover (2)
Side is equipped with exhaust pipe (25), is equipped with valve on the exhaust pipe (25).
7. the efficient hybrid reactor of a kind of Chemical Manufacture according to claim 1, it is characterised in that: on the baffle (13)
It is provided with open slot (24), the baffle (13) and open slot (24) are convex structure.
8. the efficient hybrid reactor of a kind of Chemical Manufacture according to claim 1, it is characterised in that: the cover (2) two
Side and tank body (1) two sides are mounted on lock (27).
9. the efficient hybrid reactor of a kind of Chemical Manufacture according to claim 1, it is characterised in that: tank body (1) bottom
End is fixedly connected with support frame (23), is equipped with shield (26) above the cover (2).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811506255.XA CN109433138A (en) | 2018-12-10 | 2018-12-10 | A kind of efficient hybrid reactor of Chemical Manufacture |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201811506255.XA CN109433138A (en) | 2018-12-10 | 2018-12-10 | A kind of efficient hybrid reactor of Chemical Manufacture |
Publications (1)
Publication Number | Publication Date |
---|---|
CN109433138A true CN109433138A (en) | 2019-03-08 |
Family
ID=65558218
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201811506255.XA Withdrawn CN109433138A (en) | 2018-12-10 | 2018-12-10 | A kind of efficient hybrid reactor of Chemical Manufacture |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN109433138A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112717865A (en) * | 2020-12-09 | 2021-04-30 | 铜鼓县湘鸿化工有限公司 | Sodium metabisulfite preparation reation kettle |
CN113578109A (en) * | 2021-08-18 | 2021-11-02 | 桂林金山新材料有限公司 | Calcium carbonate liquid agitated vessel is used in calcium carbonate production |
CN114146662A (en) * | 2021-11-25 | 2022-03-08 | 广东电网有限责任公司广州供电局 | Preparation method of hydrogen storage material |
CN113578109B (en) * | 2021-08-18 | 2024-04-30 | 桂林金山新材料有限公司 | Calcium carbonate liquid agitated vessel is used in calcium carbonate production |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59179137A (en) * | 1983-03-30 | 1984-10-11 | Shigeru Murakoshi | Foam generating stirring blade for fluidizable composition |
CN205412785U (en) * | 2015-12-12 | 2016-08-03 | 江苏麒祥高新材料有限公司 | A agitating unit for chemical product manufacture |
CN207641331U (en) * | 2017-10-11 | 2018-07-24 | 南京元凯生物能源环保工程有限公司 | A kind of efficient blender |
-
2018
- 2018-12-10 CN CN201811506255.XA patent/CN109433138A/en not_active Withdrawn
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59179137A (en) * | 1983-03-30 | 1984-10-11 | Shigeru Murakoshi | Foam generating stirring blade for fluidizable composition |
CN205412785U (en) * | 2015-12-12 | 2016-08-03 | 江苏麒祥高新材料有限公司 | A agitating unit for chemical product manufacture |
CN207641331U (en) * | 2017-10-11 | 2018-07-24 | 南京元凯生物能源环保工程有限公司 | A kind of efficient blender |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112717865A (en) * | 2020-12-09 | 2021-04-30 | 铜鼓县湘鸿化工有限公司 | Sodium metabisulfite preparation reation kettle |
CN113578109A (en) * | 2021-08-18 | 2021-11-02 | 桂林金山新材料有限公司 | Calcium carbonate liquid agitated vessel is used in calcium carbonate production |
CN113578109B (en) * | 2021-08-18 | 2024-04-30 | 桂林金山新材料有限公司 | Calcium carbonate liquid agitated vessel is used in calcium carbonate production |
CN114146662A (en) * | 2021-11-25 | 2022-03-08 | 广东电网有限责任公司广州供电局 | Preparation method of hydrogen storage material |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN109433138A (en) | A kind of efficient hybrid reactor of Chemical Manufacture | |
CN105597651B (en) | A kind of nitromethane flow reactor | |
CN112405924B (en) | Multistage synchronous mixing device for cable materials | |
CN210965094U (en) | Reaction kettle for vinyl ether/maleic anhydride copolymer synthesis | |
CN205925531U (en) | Heat recovery type water -reducing agent stirring reation kettle that stirring effect is good | |
CN107138116A (en) | A kind of liquid chelating fertilizer process units | |
CN201768562U (en) | Reaction kettle | |
CN106669570B (en) | One kind tiltedly arranging pre-heated chemical reaction kettle | |
CN206980722U (en) | A kind of chemical industry steam heats stainless steel cauldron | |
CN210675196U (en) | Emulsion polymerization cauldron | |
CN210496428U (en) | High-performance unsaturated resin reaction kettle | |
CN207605728U (en) | Multithread state reaction unit | |
CN211487663U (en) | Emulsion polymerization reaction device | |
CN216458556U (en) | Stirring device | |
CN206965732U (en) | Novel reaction bucket | |
CN215822981U (en) | A reinforced agitating unit for polyarylate production | |
CN106582484B (en) | A kind of cycling stirring type chemical reaction kettle | |
CN214000089U (en) | Pre-reaction type PVC (polyvinyl chloride) colloidal particle production raw material mixer | |
CN205948892U (en) | Dicyclopentadiene polymerization cauldron | |
CN206762870U (en) | A kind of intensified by ultrasonic wave leaching device | |
CN106669571B (en) | A kind of tiltedly row's formula stirring chemical reaction kettle | |
CN215783377U (en) | Novel esterification pot for chemical production | |
CN218795870U (en) | Reation kettle of fire retardant production usefulness | |
CN219784652U (en) | Water bath stirrer | |
CN216442848U (en) | Color master batch stirrer |
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 | ||
WW01 | Invention patent application withdrawn after publication | ||
WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190308 |