CN208928159U - A kind of 2-(4- hydroxyphenoxy) propionic acid continuous production device - Google Patents
A kind of 2-(4- hydroxyphenoxy) propionic acid continuous production device Download PDFInfo
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- CN208928159U CN208928159U CN201821470323.7U CN201821470323U CN208928159U CN 208928159 U CN208928159 U CN 208928159U CN 201821470323 U CN201821470323 U CN 201821470323U CN 208928159 U CN208928159 U CN 208928159U
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- Prior art keywords
- staving
- extracter
- input terminal
- plc controller
- continuous production
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- 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.)
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- 238000010924 continuous production Methods 0.000 title claims abstract description 20
- AQIHDXGKQHFBNW-UHFFFAOYSA-N 2-(4-hydroxyphenoxy)propanoic acid Chemical compound OC(=O)C(C)OC1=CC=C(O)C=C1 AQIHDXGKQHFBNW-UHFFFAOYSA-N 0.000 title claims abstract description 10
- 239000002699 waste material Substances 0.000 claims abstract description 9
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 claims abstract 10
- 235000019260 propionic acid Nutrition 0.000 claims abstract 5
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 claims abstract 5
- 239000002253 acid Substances 0.000 claims description 19
- 238000003756 stirring Methods 0.000 claims description 19
- 239000011261 inert gas Substances 0.000 claims description 15
- 230000008878 coupling Effects 0.000 claims description 3
- 238000010168 coupling process Methods 0.000 claims description 3
- 238000005859 coupling reaction Methods 0.000 claims description 3
- 239000007788 liquid Substances 0.000 claims description 3
- 230000005611 electricity Effects 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 description 28
- 239000002994 raw material Substances 0.000 description 13
- 239000000126 substance Substances 0.000 description 7
- 230000002363 herbicidal effect Effects 0.000 description 5
- 239000004009 herbicide Substances 0.000 description 5
- 241000196324 Embryophyta Species 0.000 description 3
- 238000000605 extraction Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- -1 and use is safer Substances 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- AQIHDXGKQHFBNW-ZCFIWIBFSA-N (2r)-2-(4-hydroxyphenoxy)propanoic acid Chemical compound OC(=O)[C@@H](C)OC1=CC=C(O)C=C1 AQIHDXGKQHFBNW-ZCFIWIBFSA-N 0.000 description 1
- HKROQOWBHZLRCU-UHFFFAOYSA-N 2,2-diphenoxypropanoic acid Chemical compound C=1C=CC=CC=1OC(C(O)=O)(C)OC1=CC=CC=C1 HKROQOWBHZLRCU-UHFFFAOYSA-N 0.000 description 1
- 238000012271 agricultural production Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000008635 plant growth Effects 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Abstract
The utility model discloses a kind of 2-(4- hydroxyphenoxies) propionic acid continuous production device, including the first staving, the outer surface of first staving is equipped with PLC controller, the input terminal of PLC controller is electrically connected with the output end of external power supply, the upper surface of first staving is equipped with feed pipe, the side surface of first staving is connected to by the first delivery pipe with the first extracter, the upper surface of first extracter is equipped with the first extractant adding tube, the side surface of first extracter is equipped with the first waste material discharge pipe, and first the discharge end of extracter be connected to the second staving by the first connecting tube, the side surface of second staving is connected to by the second delivery pipe with the second extracter, in second delivery pipe and delivery pump is equipped in the first delivery pipe, the upper surface of second extracter is equipped with the second extractant adding tube.This 2-(4- hydroxyphenoxy) propionic acid continuous production device, it allows continuous production, improves the degree of automation, working efficiency is improved.
Description
Technical field
The utility model relates to herbicide intermediate production technical field, specially a kind of 2-(4- hydroxyphenoxy) propionic acid
Continuous production device.
Background technique
Herbicide (herbicide), which refers to, can make weeds that withered medicament, also known as herbicide thoroughly or selectively occur,
It is significant to agricultural production to eliminate or inhibit a substance of plant growth.R- (+) -2-(4- hydroxyphenoxy)
Propionic acid is the important intermediate for synthesis of phenoxy phenoxy propionic acid herbicide.Existing 2-(4- hydroxyphenoxy) propionic acid production dress
It sets, is largely unable to continuous production, and the degree of automation is low, reduces working efficiency.
Utility model content
The technical problems to be solved in the utility model is to overcome existing defect, provides a kind of 2-(4- hydroxyphenoxy) third
Sour continuous production device, allows continuous production, and improves the degree of automation, and working efficiency is improved, can be effective
Solve the problems in background technique.
To achieve the above object, the utility model provides the following technical solutions: a kind of 2-(4- hydroxyphenoxy) propionic acid company
The outer surface of continuous process units, including the first staving, first staving is equipped with PLC controller, the input terminal of PLC controller
It is electrically connected with the output end of external power supply, the upper surface of the first staving is equipped with feed pipe, and the side surface of the first staving passes through first
Delivery pipe is connected to the first extracter, and the upper surface of the first extracter is equipped with the first extractant adding tube, the side of the first extracter
Surface is equipped with the first waste material discharge pipe, and the discharge end of the first extracter is connected to by the first connecting tube with the second staving, and second
The side surface of staving is connected to by the second delivery pipe with the second extracter, is equipped in the second delivery pipe and in the first delivery pipe defeated
Pump is sent, the upper surface of the second extracter is equipped with the second extractant adding tube, and the side surface of the second extracter is arranged equipped with the second waste material
Outlet pipe, and the discharge end of the second extracter is connected to by the second connecting tube with third staving, the side surface of third staving is equipped with
Expects pipe, discharge nozzle are equipped with the first solenoid valve, and the inside upper surface of the inside upper surface of third staving and the second staving is equipped with
Cooler, the input terminal of cooler, the input terminal of the first solenoid valve, the input terminal of delivery pump, the input terminal of the second extracter,
The input terminal of one extracter is electrically connected with the output end of PLC controller, the inner surface of third staving and the second staving it is interior
Side surface is equipped with temperature sensor, the input terminal of the output end electrical connection PLC controller of temperature sensor, the first staving it is upper
The upper surface on surface, the upper surface of the second staving and third staving is equipped with agitating device.
As a kind of optimal technical scheme of the utility model, the agitating device includes being separately positioned on the first staving
Three motors on surface, the second staving upper surface and third staving upper surface, the input terminal of motor and the output end of PLC controller
Electrical connection, the output shaft of three motors respectively penetrate the first staving, the second staving and third staving inside and pass through shaft coupling
It is equipped with stirring frame with the outer surface of stirring axis connection, agitating shaft, paddle is evenly arranged between stirring frame and agitating shaft.
As a kind of optimal technical scheme of the utility model, the side surface of the paddle offers through-hole, through-hole
Quantity is no less than three, and no less than three through-holes are equidistantly positioned.
As a kind of optimal technical scheme of the utility model, the upper surface of second staving is equipped with inert gas tube,
Inert gas tube is connected to external air supply plant, and the outer surface of the second staving is equipped with air gauge, barometric test side setting
Inside the second staving.
As a kind of optimal technical scheme of the utility model, the upper surface of the third staving is added equipped with acid solution
Pipe, acid solution adding tube is connected to external device for storing liquid, and acid solution adding tube is equipped with second solenoid valve, the second electromagnetism
The input terminal of valve is electrically connected with the output end of PLC controller, and the inner surface of third staving is equipped with pH sensor, pH sensor
The input terminal of output end electrical connection PLC controller.
Compared with prior art, the utility model has the beneficial effects that this 2-(4- hydroxyphenoxy) propionic acid continuous production
Device allows continuous production, and improves the degree of automation, and working efficiency is improved, and the first extracter is for extracting
The substance that reaction generates in first staving, the second extracter are used to extract the substance that reaction generates in the second staving, pass through cooling
Device and temperature sensor can automatically adjust the temperature inside the second staving and third staving, improve the degree of automation, favorably
In chemical reaction, motor drives stirring frame and paddle to be stirred raw material, improves reaction rate, inertia by agitating shaft
Flue is used to convey inert gas into the second staving, reacts raw material under the protection of inert gas, and use is safer,
Acid solution adding tube can be examined for adding acid solution into third staving to adjust the pH of reaction solution by pH sensor
The pH value of reaction solution is surveyed, PLC controller can be automatically switched second solenoid valve according to pH value, further improve automation journey
Degree, working efficiency are improved.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is the utility model side structure schematic view.
In figure: 1 first staving, 2 PLC controllers, 3 feed pipes, 4 first delivery pipes, 41 first extracters, 42 first extractions
Take agent adding tube, 43 first waste material discharge pipes, 5 first connecting tubes, 6 second stavings, 61 inert gas tubes, 62 air gauges, 7 second
Delivery pipe, 71 second extracters, 72 second extractant adding tubes, 73 second waste material discharge pipes, 8 second connecting tubes, 9 third buckets
Body, 91 discharge nozzles, 92 first solenoid valves, 93 acid solution adding tubes, 94 second solenoid valves, 95 pH sensors, 10 motors, 11
Agitating shaft, 12 stirring frames, 13 paddles, 14 through-holes, 15 coolers, 16 temperature sensors, 17 delivery pumps.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of 2-(4- hydroxyphenoxy) propionic acid continuously gives birth to
Produce device, including the first staving 1, the outer surface of the first staving 1 is equipped with PLC controller 2, the input terminal of PLC controller 2 and outer
The output end electrical connection of power supply is set, the upper surface of the model siemens PLC of PLC controller 2 used, the first staving 1 is equipped with
The side surface of feed pipe 3, the first staving 1 is connected to by the first delivery pipe 4 with the first extracter 41, and the first extracter 41 is for extracting
The substance that reaction generates in the first staving 1 is taken, the upper surface of the first extracter 41 is equipped with the first extractant adding tube 42, the first extraction
The side surface of machine 41 is taken to be equipped with the first waste material discharge pipe 43, and the discharge end of the first extracter 41 passes through the first connecting tube 5 and the
The connection of two stavings 6, the upper surface of the second staving 6 are equipped with inert gas tube 61, and inert gas tube 61 is connected to external air supply plant,
Inert gas tube 61 reacts raw material under the protection of inert gas, using more for conveying inert gas into the second staving 6
Add safety, the outer surface of the second staving 6 is equipped with air gauge 62, and the test side of air gauge 62 is arranged inside the second staving 6, uses
In detecting the atmospheric pressure value in the second staving 6, the side surface of the second staving 6 is connected to by the second delivery pipe 7 with the second extracter 71,
Second extracter 71 is used to extract the substance that reaction generates in the second staving 6, equal in the second delivery pipe 7 and in the first delivery pipe 4
Equipped with delivery pump 17, the upper surface of the second extracter 71 is equipped with the second extractant adding tube 72, the side surface of the second extracter 71
Equipped with the second waste material discharge pipe 73, and the discharge end of the second extracter 71 is connected to by the second connecting tube 8 with third staving 9, the
The upper surface of three stavings 9 is equipped with acid solution adding tube 93, and acid solution adding tube 93 is connected to external device for storing liquid, and acid
Solution adding tube 93 is equipped with second solenoid valve 94, and the input terminal of second solenoid valve 94 and the output end of PLC controller 2 are electrically connected
It connects, the inner surface of third staving 9 is equipped with pH sensor 95, the input of the output end electrical connection PLC controller 2 of pH sensor 95
End, acid solution adding tube 93 pass through pH sensor for adding acid solution into third staving 9 to adjust the pH of reaction solution
95 can detecte the pH value of reaction solution, and PLC controller 2 can be automatically switched second solenoid valve 94 according to pH value, further increase
The degree of automation, working efficiency are improved, and the side surface of third staving 9 is equipped with discharge nozzle 91, and discharge nozzle 91 is equipped with
The inside upper surface of first solenoid valve 92, the inside upper surface of third staving 9 and the second staving 6 is equipped with cooler 15, cooling
The input terminal of device 15, the input terminal of the first solenoid valve 92, the input terminal of delivery pump 17, the input terminal of the second extracter 71, first
The input terminal of extracter 41 is electrically connected with the output end of PLC controller 2, the inner surface of third staving 9 and the second staving 6
Inner surface is equipped with temperature sensor 16, and the input terminal of the output end electrical connection PLC controller 2 of temperature sensor 16 passes through
Cooler 15 and temperature sensor 16 can automatically adjust the temperature inside the second staving 6 and third staving 9, improve automation
Degree is conducive to chemically react, and the upper surface of the upper surface of the first staving 1, the upper surface of the second staving 6 and third staving 9 is equal
Equipped with agitating device, agitating device includes being separately positioned on 1 upper surface of the first staving, 6 upper surface of the second staving and third staving 9
Three motors 10 of upper surface, the input terminal of motor 10 are electrically connected with the output end of PLC controller 2, the control of PLC controller 2 the
One extracter 41, the second extracter 71, the first solenoid valve 92, second solenoid valve 94, motor 10, cooler 15, temperature sensor
16, the mode of delivery pump 17 and pH sensor 95 is method commonly used in the prior art, the output shaft difference of three motors 10
It penetrates the first staving 1, the inside of the second staving 6 and third staving 9 and is connect by shaft coupling with agitating shaft 11, agitating shaft 11
Outer surface is equipped with stirring frame 12, paddle 13 is evenly arranged between stirring frame 12 and agitating shaft 11, motor 10 passes through stirring
Axis 11 drives stirring frame 12 and paddle 13 to be stirred raw material, improves reaction rate, the side surface of paddle 13 opens up
There is through-hole 14, the quantity of through-hole 14 is no less than three, and no less than three through-holes 14 are equidistantly positioned, and is conducive to improve stirring
Efficiency, the 2-(4- hydroxyphenoxy) propionic acid continuous production device, it allows continuous production, improves the degree of automation, work
It is improved as efficiency.
When in use: being added the raw material of reaction into the first staving 1 by feed pipe 3, operate PLC controller 2, open the
Motor 10 on one staving 1, motor 10 drive stirring frame 12 and paddle 13 to stir raw material, open later by agitating shaft 11
The raw material of reaction is sent into the first extracter 41 by the first delivery pipe 4, is extracted by the delivery pump 17 in the first delivery pipe 4
Raw material the second staving 6 is entered by the first connecting tube 5, open motor 10 and cooler 15 on the second staving 6, motor 10 is logical
Crossing agitating shaft 11 drives stirring frame 12 and paddle 13 to stir raw material, and cooler 15 adjusts the temperature of reaction solution in the second staving 6
Degree, temperature sensor 16 detect the temperature of reaction solution in the second staving 6 and transmit corresponding signal to PLC controller 2, PLC control
Device 2 opens the delivery pump in the second delivery pipe 7 according to the switch of the temperature automatic control cooler 15 of reaction solution after the reaction was completed
17, the solution after reaction is sent into the second extracter 71 by the second delivery pipe 7, the raw material extracted passes through the second connecting tube
8 enter in third staving 9, open the motor 10 and cooler 15 on third staving 9, and motor 10 drives stirring by agitating shaft 11
Frame 12 and paddle 13 stir raw material, and cooler 15 adjusts the temperature of reaction solution in third staving 9, and temperature sensor 16 detects
The temperature of reaction solution and corresponding signal is transmitted to PLC controller 2 in third staving 9, and PLC controller 2 is according to the temperature of reaction solution
The switch of cooler 15 is automatically controlled, acid solution is added into third staving 9 by acid solution adding tube 93 later, is adjusted
The pH value of reaction solution, pH sensor 95 detect the pH value of reaction solution and transmit corresponding signal to PLC controller 2, work as PLC controller
2 judge to close second solenoid valve 94 when pH value reaches setting value, stop addition acid solution, may be implemented continuously by the device
Production, improves the degree of automation, working efficiency is improved.
The utility model allows continuous production, and improves the degree of automation, and working efficiency is improved, the first extraction
Take machine 41 for extracting the substance that reaction generates in the first staving 1, the second extracter 71 is for extracting reaction life in the second staving 6
At substance, the temperature inside the second staving 6 and third staving 9 can be automatically adjusted by cooler 15 and temperature sensor 16
Degree, improves the degree of automation, is conducive to chemically react, and motor 10 drives stirring frame 12 and paddle 13 right by agitating shaft 11
Raw material is stirred, and improves reaction rate, and inert gas tube 61 makes raw material for conveying inert gas into the second staving 6
It is reacted under the protection of inert gas, use is safer, and acid solution adding tube 93 is used to add into third staving 9 acid
Solution can detecte the pH value of reaction solution by pH sensor 95, PLC controller 2 can be according to pH to adjust the pH of reaction solution
Value automatic switch second solenoid valve 94, further improves the degree of automation, working efficiency is improved.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of 2-(4- hydroxyphenoxy) propionic acid continuous production device, including the first staving (1), it is characterised in that: described
The outer surface of one staving (1) is equipped with PLC controller (2), the input terminal of PLC controller (2) and the output end electricity of external power supply
Connection, the upper surface of the first staving (1) are equipped with feed pipe (3), the side surface of the first staving (1) by the first delivery pipe (4) with
The upper surface of first extracter (41) connection, the first extracter (41) is equipped with the first extractant adding tube (42), the first extracter
(41) side surface is equipped with the first waste material discharge pipe (43), and the discharge end of the first extracter (41) passes through the first connecting tube (5)
It being connected to the second staving (6), the side surface of the second staving (6) is connected to by the second delivery pipe (7) with the second extracter (71), the
It in two delivery pipes (7) and is equipped with delivery pump (17) on the first delivery pipe (4), the upper surface of the second extracter (71) is equipped with second
Extractant adding tube (72), the side surface of the second extracter (71) are equipped with the second waste material discharge pipe (73), and the second extracter
(71) discharge end is connected to by the second connecting tube (8) with third staving (9), and the side surface of third staving (9) is equipped with discharge nozzle
(91), discharge nozzle (91) is equipped with the first solenoid valve (92), the inside upper surface of third staving (9) and the second staving (6) it is interior
Portion upper surface is equipped with cooler (15), the input terminal of cooler (15), the input terminal of the first solenoid valve (92), delivery pump (17)
Input terminal, the input terminal of the second extracter (71), the first extracter (41) output of the input terminal with PLC controller (2)
End electrical connection, the inner surface of third staving (9) and the inner surface of the second staving (6) are equipped with temperature sensor (16), temperature
Spend the input terminal of output end electrical connection PLC controller (2) of sensor (16), the upper surface of the first staving (1), the second staving
(6) upper surface of upper surface and third staving (9) is equipped with agitating device.
2. a kind of 2-(4- hydroxyphenoxy according to claim 1) propionic acid continuous production device, it is characterised in that: it is described
Agitating device includes being separately positioned on the first staving (1) upper surface, the second staving (6) upper surface and third staving (9) upper surface
Three motors (10), the input terminal of motor (10) is electrically connected with the output end of PLC controller (2), three motors (10) it is defeated
Shaft respectively penetrates the first staving (1), the inside of the second staving (6) and third staving (9) and by shaft coupling and agitating shaft
(11) it connects, the outer surface of agitating shaft (11) is equipped with stirring frame (12), uniformly sets between stirring frame (12) and agitating shaft (11)
It is equipped with paddle (13).
3. a kind of 2-(4- hydroxyphenoxy according to claim 2) propionic acid continuous production device, it is characterised in that: it is described
The side surface of paddle (13) offers through-hole (14), and the quantity of through-hole (14) is no less than three, and no less than three through-holes
(14) it is equidistantly positioned.
4. a kind of 2-(4- hydroxyphenoxy according to claim 1) propionic acid continuous production device, it is characterised in that: it is described
The upper surface of second staving (6) is equipped with inert gas tube (61), and inert gas tube (61) is connected to external air supply plant, and second barrel
The outer surface of body (6) is equipped with air gauge (62), and the test side setting of air gauge (62) is internal in the second staving (6).
5. a kind of 2-(4- hydroxyphenoxy according to claim 1) propionic acid continuous production device, it is characterised in that: it is described
The upper surface of third staving (9) is equipped with acid solution adding tube (93), and acid solution adding tube (93) and external device for storing liquid connect
It is logical, and acid solution adding tube (93) is equipped with second solenoid valve (94), the input terminal and PLC controller of second solenoid valve (94)
(2) output end electrical connection, the inner surface of third staving (9) are equipped with pH sensor (95), the output end of pH sensor (95)
It is electrically connected the input terminal of PLC controller (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821470323.7U CN208928159U (en) | 2018-09-10 | 2018-09-10 | A kind of 2-(4- hydroxyphenoxy) propionic acid continuous production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821470323.7U CN208928159U (en) | 2018-09-10 | 2018-09-10 | A kind of 2-(4- hydroxyphenoxy) propionic acid continuous production device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208928159U true CN208928159U (en) | 2019-06-04 |
Family
ID=66720322
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821470323.7U Active CN208928159U (en) | 2018-09-10 | 2018-09-10 | A kind of 2-(4- hydroxyphenoxy) propionic acid continuous production device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208928159U (en) |
-
2018
- 2018-09-10 CN CN201821470323.7U patent/CN208928159U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| EE01 | Entry into force of recordation of patent licensing contract | ||
| EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Nanjing Jiangbei new area Yangzi Technology Finance Leasing Co.,Ltd. Assignor: VISION FLUOROCHEM (NANJING) LTD. Contract record no.: X2022980016994 Denomination of utility model: A continuous production device for 2 - (4-hydroxyphenoxy) propionic acid Granted publication date: 20190604 License type: Exclusive License Record date: 20220930 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A continuous production device for 2 - (4-hydroxyphenoxy) propionic acid Effective date of registration: 20221009 Granted publication date: 20190604 Pledgee: Nanjing Jiangbei new area green Financing Guarantee Co.,Ltd. Pledgor: VISION FLUOROCHEM (NANJING) LTD. Registration number: Y2022980017531 |
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| EC01 | Cancellation of recordation of patent licensing contract | ||
| EC01 | Cancellation of recordation of patent licensing contract |
Assignee: Nanjing Jiangbei new area Yangzi Technology Finance Leasing Co.,Ltd. Assignor: VISION FLUOROCHEM (NANJING) LTD. Contract record no.: X2022980016994 Date of cancellation: 20231107 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20231130 Granted publication date: 20190604 Pledgee: Nanjing Jiangbei new area green Financing Guarantee Co.,Ltd. Pledgor: VISION FLUOROCHEM (NANJING) LTD. Registration number: Y2022980017531 |