CN109000444A - Drying machine and drying process for Pidotimod bulk pharmaceutical chemicals - Google Patents
Drying machine and drying process for Pidotimod bulk pharmaceutical chemicals Download PDFInfo
- Publication number
- CN109000444A CN109000444A CN201810718235.2A CN201810718235A CN109000444A CN 109000444 A CN109000444 A CN 109000444A CN 201810718235 A CN201810718235 A CN 201810718235A CN 109000444 A CN109000444 A CN 109000444A
- Authority
- CN
- China
- Prior art keywords
- dry
- drying
- pharmaceutical chemicals
- bulk pharmaceutical
- drying cylinder
- 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
- 238000001035 drying Methods 0.000 title claims abstract description 84
- 239000000126 substance Substances 0.000 title claims abstract description 42
- UUTKICFRNVKFRG-WDSKDSINSA-N (4R)-3-[oxo-[(2S)-5-oxo-2-pyrrolidinyl]methyl]-4-thiazolidinecarboxylic acid Chemical compound OC(=O)[C@@H]1CSCN1C(=O)[C@H]1NC(=O)CC1 UUTKICFRNVKFRG-WDSKDSINSA-N 0.000 title claims abstract description 41
- 229960001163 pidotimod Drugs 0.000 title claims abstract description 41
- 238000003756 stirring Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims description 5
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 201000010099 disease Diseases 0.000 description 2
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000001154 acute effect Effects 0.000 description 1
- 239000002671 adjuvant Substances 0.000 description 1
- 238000013019 agitation Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000036039 immunity Effects 0.000 description 1
- 239000002955 immunomodulating agent Substances 0.000 description 1
- 229940121354 immunomodulator Drugs 0.000 description 1
- 230000002584 immunomodulator Effects 0.000 description 1
- 208000015181 infectious disease Diseases 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/022—Arrangements of drives, bearings, supports
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B11/00—Machines or apparatus for drying solid materials or objects with movement which is non-progressive
- F26B11/02—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles
- F26B11/04—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis
- F26B11/0463—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall
- F26B11/0477—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum
- F26B11/0486—Machines or apparatus for drying solid materials or objects with movement which is non-progressive in moving drums or other mainly-closed receptacles rotating about a horizontal or slightly-inclined axis having internal elements, e.g. which are being moved or rotated by means other than the rotating drum wall for mixing, stirring or conveying the materials to be dried, e.g. mounted to the wall, rotating with the drum the elements being held stationary, e.g. internal scraper blades
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/001—Drying-air generating units, e.g. movable, independent of drying enclosure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/004—Nozzle assemblies; Air knives; Air distributors; Blow boxes
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B21/00—Arrangements or duct systems, e.g. in combination with pallet boxes, for supplying and controlling air or gases for drying solid materials or objects
- F26B21/06—Controlling, e.g. regulating, parameters of gas supply
- F26B21/10—Temperature; Pressure
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F26—DRYING
- F26B—DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM
- F26B25/00—Details of general application not covered by group F26B21/00 or F26B23/00
- F26B25/04—Agitating, stirring, or scraping devices
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Drying Of Solid Materials (AREA)
Abstract
The present invention provides a kind of drying machine for Pidotimod bulk pharmaceutical chemicals, including rack, drying cylinder and dry component；Rack includes bottom bay and track frame；Bottom bay is horizontally disposed；Track frame is installed on bottom bay both ends, and in the spherical plate of the centre of sphere altogether, the inside of two track frames is respectively equipped with mixed track, and two mixed tracks are symmetrical about the centre of sphere spherical where track frame；Drying cylinder axial ends center is equipped with support shaft；Support shaft is coupled by hybrid electric motor on mixed track；Dry component includes dry agitating shaft, dry support tube, dry stirring motor and air-heater.The present invention effectively can be dispersed with stirring and be dried for Pidotimod bulk pharmaceutical chemicals, guarantee the drying efficiency and quality of Pidotimod bulk pharmaceutical chemicals, Pidotimod bulk pharmaceutical chemicals can be effectively prevent to be adhered in drying cylinder before being completely dried simultaneously, effectively reduce the waste of Pidotimod bulk pharmaceutical chemicals.
Description
Technical field
The invention belongs to bulk pharmaceutical chemicals processing equipment fields, and in particular to a kind of drying machine for Pidotimod bulk pharmaceutical chemicals and
Drying process.
Background technique
Pidotimod is a kind of immunomodulator, the patient low suitable for body's immunity, and can be used for preventing urgency
Sexuality dye, shortens the course of disease, reduces the severity of disease, can be used as the adjuvant drug of acute infection period.Pidotimod is producing
When need that first proportioned Pidotimod bulk pharmaceutical chemicals are dried, in order to subsequent production and processing, but existing drying
For machine when being dried for Pidotimod bulk pharmaceutical chemicals, drying time is longer, while drying efficiency is poor, significantly impact more than
The production efficiency of Mo De.
Therefore, develop in view of the above problems it is a kind of for Pidotimod bulk pharmaceutical chemicals carry out highly effective drying equipment be ability
Field technique personnel institute urgent need to solve the problem.
Summary of the invention
To solve the above problems, the invention discloses a kind of drying machines and drying process for Pidotimod bulk pharmaceutical chemicals.
In order to achieve the above object, the invention provides the following technical scheme:
A kind of drying machine for Pidotimod bulk pharmaceutical chemicals, including rack, drying cylinder and dry component；Rack includes bottom machine
Frame and track frame；Bottom bay is horizontally disposed；The quantity of track frame is two, is installed on the both ends of bottom bay, is in
The spherical plate of the centre of sphere altogether, the inside of two track frames is respectively equipped with mixed track, and two mixed tracks are about track
The spherical centre of sphere is symmetrical where rack；The top of drying cylinder is coupled feeding pipe by feeding inlet, and bottom is matched by discharge port
Installation discharge nozzle is closed, and the axial ends center of drying cylinder is equipped with support shaft；Support shaft is coupled by hybrid electric motor
In on mixed track；Dry component includes dry agitating shaft, dry support tube, dry stirring motor and air-heater；Dry branch
One end of stay tube is connected to the surface of drying cylinder, and the other end is arranged outward perpendicular to the surface of drying cylinder；The one of dry agitating shaft
End is located in drying cylinder, and the output shaft cooperation that the other end passes through dry support tube and dry stirring motor is mutually installed；Dry stirring
Motor is installed on the surface of drying cylinder by motor support bar；The delivery outlet of air-heater is connected by hot air pipe with dry support tube
It is logical.
The present invention provides a kind of drying machines for Pidotimod bulk pharmaceutical chemicals, by rack, drying cylinder and dry component
Composition, wherein rack is made of bottom bay and track frame, and bottom bay is horizontal positioned, and there are two track frame selections,
Bottom bay both ends are mounted on, and two track frames are both designed as the spherical plate of the total centre of sphere, while two track frames
Inside be respectively set mixed track, two mixed tracks are symmetrical arranged about the centre of sphere spherical where track frame；The present invention
Middle top and bottom have feeding inlet and discharge port, are respectively used to pan feeding and discharging；In drying cylinder axial ends
The heart is symmetrically installed support shaft, and support shaft is fitted on mixed track by hybrid electric motor, drives drying by hybrid electric motor
It is rotated centered on the cylinder centre of sphere spherical where track frame, Pidotimod bulk pharmaceutical chemicals can mix in guarantee drying cylinder
Uniformly, it is further ensured that uniform drying；Dry component is by drying agitating shaft, dry support tube, dry stirring motor in the present invention
And air-heater composition, dry support tube one end are connected to drying cylinder surface, the other end is arranged outward perpendicular to drying cylinder surface,
Dry one end of the mixing shaft is arranged inside drying cylinder, and the other end passes through dry support tube and the output shaft of dry stirring motor matches
Installation is closed, agitating shaft rotation is driven by dry stirring motor；The delivery outlet of air-heater passes through hot air pipe and dry support tube phase
Connection, blasts hot wind into drying cylinder by air-heater, can promote it while dispelling to Pidotimod bulk pharmaceutical chemicals
Drying efficiency.
Further, mixed track is circular orbit.
Mixed track is designed as circular orbit in the present invention, guarantees that drying cylinder can be turned with the centre of sphere where track frame
Dynamic, the Pidotimod bulk pharmaceutical chemicals for keeping it internal are uniformly dispersed as far as possible, improve drying efficiency.
Further, the half of spherical shape where the distance of the plane of the opening of track frame to its medial center is less than track frame
Diameter.
Further, dry agitating shaft is hollow shaft, and surface is uniformly provided with and advertises dried hole.
In order to further increase the drying efficiency of Pidotimod bulk pharmaceutical chemicals, dry Agitation speed is hollow in the present invention
Axis, surface are also uniformly provided with and advertise dried hole, and the hot-air that air-heater blasts can advertise drying by dry agitating shaft surface
Hole is uniformly blasted into drying cylinder, and is in contact with Pidotimod bulk pharmaceutical chemicals.
Further, the inside of the inner wall of drying cylinder towards drying cylinder is uniformly provided with protrusion.
Pidotimod bulk pharmaceutical chemicals are adhered on drying cylinder inner wall before being completely dried in order to prevent, on the inner wall of drying cylinder also
It is uniformly provided with protrusion.
Further, dry stirring motor is servo motor, and is connected with servo-driver.
The method that Pidotimod bulk pharmaceutical chemicals are dried using the above drying machine is as follows:
(1), Pidotimod bulk pharmaceutical chemicals are fitted into drying cylinder by feeding pipe, start dry stirring motor, its revolving speed is controlled
In 120~200r/min, 1~2h is stirred；
(2), start air-heater, the revolving speed that the leaving air temp of air-heater is controlled at 50~60 DEG C, while stirring motor will be dried
It is adjusted to 240~360r/min, stirs 1~2h；
(3), the leaving air temp of air-heater is adjusted to 65~80 DEG C, while the revolving speed of dry stirring motor is adjusted to 360~500r/
Min closes air-heater and dry stirring motor after continuing 20~45min of stirring, completes the drying to Pidotimod bulk pharmaceutical chemicals.
Compared with prior art, the present invention effectively can be dispersed with stirring and be dried for Pidotimod bulk pharmaceutical chemicals,
Guarantee the drying efficiency and quality of Pidotimod bulk pharmaceutical chemicals, while can effectively prevent Pidotimod bulk pharmaceutical chemicals before being completely dried
It is adhered in drying cylinder, effectively reduces the waste of Pidotimod bulk pharmaceutical chemicals.
Detailed description of the invention
Fig. 1, structural schematic diagram of the invention；
The structural schematic diagram of dry component in Fig. 2, the present invention.
Reference signs list: drying cylinder 1, bottom bay 2, track frame 3, mixed track 4, feeding pipe 5, discharge nozzle 6, branch
Support axis 7, hybrid electric motor 8, dry agitating shaft 9, dry support tube 10, dry stirring motor 11, air-heater 12, motor support bar
13, hot air pipe 14, advertise dried hole 15.
Specific embodiment
Technical solution provided by the invention is described in detail below with reference to specific embodiment, it should be understood that following specific
Embodiment is only illustrative of the invention and is not intended to limit the scope of the invention.
It is as shown in Figure 1 structural schematic diagram of the invention, the present invention is a kind of drying machine for Pidotimod bulk pharmaceutical chemicals,
Including rack, drying cylinder 1 and dry component.
Rack includes bottom bay 2 and track frame 3；Bottom bay 2 is horizontally disposed；The quantity of track frame 3 is two,
The both ends of bottom bay 2 are installed on, in the spherical plate of the centre of sphere altogether, the inside of two track frames 3 is respectively equipped with mixing rail
Road 4, the plane of the opening of track frame 3 are less than the radius of spherical shape where track frame 3 to the distance of its medial center；And two
Mixed track is symmetrical about the centre of sphere spherical where track frame.
The inside of the inner wall of drying cylinder 1 towards drying cylinder 1 is uniformly provided with protrusion；Matched by feeding inlet at the top of drying cylinder 1
Installation feeding pipe 5 is closed, bottom is coupled discharge nozzle 6 by discharge port, and the axial ends center of drying cylinder 1 is equipped with branch
Support axis 7；Support shaft 7 is coupled by hybrid electric motor 8 on mixed track 4, and mixed track 4 is circular orbit.
Dry component includes dry agitating shaft 9, dry support tube 10, dry stirring motor 11 and air-heater 12；Such as figure
2, one end of dry support tube 10 is connected to the surface of drying cylinder 1, and the other end is arranged outward perpendicular to the surface of drying cylinder 1；It is dry
One end of dry agitating shaft 9 is located in drying cylinder 1, and the output shaft that the other end passes through dry support tube 10 and dry stirring motor 11 is matched
Conjunction is mutually installed, and dry agitating shaft 9 is hollow shaft, and surface, which is uniformly provided with, advertises dried hole 15；Dry stirring motor 11 passes through electricity
Machine support rod 13 is installed on the surface of drying cylinder 1；The delivery outlet of air-heater 12 is connected by hot air pipe 14 with dry support tube 10
It is logical.
The above dry stirring motor 11 is servo motor, and is connected with servo-driver.
The method that Pidotimod bulk pharmaceutical chemicals are dried using it is as follows:
(1), Pidotimod bulk pharmaceutical chemicals are fitted into drying cylinder 1 by feeding pipe, start dry stirring motor 11, by its revolving speed control
System stirs 2h in 120r/min；
(2), start air-heater 12, the leaving air temp of air-heater 12 is controlled at 50 DEG C, while dry stirring motor 11 being turned
Velocity modulation stirs 2h to 240r/min；
(3), the leaving air temp of air-heater 12 is adjusted to 80 DEG C, while the revolving speed of dry stirring motor 11 is adjusted to 360r/min,
Continue to close air-heater 12 and dry stirring motor 11 after stirring 45min, completes the drying to Pidotimod bulk pharmaceutical chemicals.
Finally, it should be noted that property technical side the above examples are only used to illustrate the technical scheme of the present invention and are not limiting
Case, those skilled in the art should understand that, modification or equivalent replacement of the technical solution of the present invention are made for those, and
The objective and range for not departing from the technical program, are intended to be within the scope of the claims of the invention.
Claims (7)
1. a kind of drying machine for Pidotimod bulk pharmaceutical chemicals, it is characterised in that: including rack, drying cylinder (1) and dry group
Part；The rack includes bottom bay (2) and track frame (3)；The bottom bay (2) is horizontally disposed；The track frame
(3) quantity is two, the both ends of bottom bay (2) is installed on, in the spherical plate of the centre of sphere altogether, two track frames (3)
Inside be respectively equipped with mixed track (4), and two mixed tracks are symmetrical about the spherical centre of sphere where track frame；It is described
The top of drying cylinder (1) is coupled feeding pipe (5) by feeding inlet, and bottom is coupled discharge nozzle (6) by discharge port, and
And the axial ends center of drying cylinder (1) is equipped with support shaft (7)；The support shaft (7) is coupled by hybrid electric motor (8)
In on mixed track (4)；The dry component includes dry agitating shaft (9), dry support tube (10), dry stirring motor (11)
And air-heater (12)；One end of the dry support tube (10) is connected to the surface of drying cylinder (1), and the other end is perpendicular to drying
The surface of cylinder (1) is arranged outward；One end of the dry agitating shaft (9) is located in drying cylinder (1), and the other end passes through dry support
Pipe (10) and the output shaft cooperation of dry stirring motor (11) are mutually installed；The dry stirring motor (11) passes through motor support bar
(13) it is installed on the surface of drying cylinder (1)；The delivery outlet of the air-heater (12) passes through hot air pipe (14) and dry support tube
(10) it is connected.
2. a kind of drying machine for Pidotimod bulk pharmaceutical chemicals according to claim 1, it is characterised in that: the mixing rail
Road (4) is circular orbit.
3. a kind of drying machine for Pidotimod bulk pharmaceutical chemicals according to claim 1, it is characterised in that: the track machine
The plane of the opening of frame (3) is less than the radius of spherical shape where track frame (3) to the distance of its medial center.
4. a kind of drying machine for Pidotimod bulk pharmaceutical chemicals according to claim 1, it is characterised in that: the drying is stirred
Mixing axis (9) is hollow shaft, and surface, which is uniformly provided with, advertises dried hole (15).
5. a kind of drying machine for Pidotimod bulk pharmaceutical chemicals according to claim 1, it is characterised in that: the drying cylinder
(1) inside of inner wall towards drying cylinder (1) is uniformly provided with protrusion.
6. a kind of drying machine for Pidotimod bulk pharmaceutical chemicals according to claim 1, it is characterised in that: the drying is stirred
Mixing motor (11) is servo motor, and is connected with servo-driver.
7. a kind of drying machine for Pidotimod bulk pharmaceutical chemicals according to claim 1, it is characterised in that: using its to
More methods that moral bulk pharmaceutical chemicals are not dried are as follows:
(1), Pidotimod bulk pharmaceutical chemicals are fitted into drying cylinder (1) by feeding pipe, start dry stirring motor (11), by its turn
Speed control stirs 1~2h in 120~200r/min；
(2), start air-heater (12), the leaving air temp of air-heater (12) is controlled at 50~60 DEG C, while dry stirring is electric
The revolving speed of machine (11) is adjusted to 240~360r/min, stirs 1~2h；
(3), the leaving air temp of air-heater (12) is adjusted to 65~80 DEG C, while the revolving speed of dry stirring motor (11) is adjusted to
360~500r/min, continue to close after 20~45min of stirring it is air-heater (12) and dry stirring motor (11), complete to more than
The not drying of moral bulk pharmaceutical chemicals.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810718235.2A CN109000444A (en) | 2018-07-03 | 2018-07-03 | Drying machine and drying process for Pidotimod bulk pharmaceutical chemicals |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810718235.2A CN109000444A (en) | 2018-07-03 | 2018-07-03 | Drying machine and drying process for Pidotimod bulk pharmaceutical chemicals |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109000444A true CN109000444A (en) | 2018-12-14 |
Family
ID=64599757
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810718235.2A Pending CN109000444A (en) | 2018-07-03 | 2018-07-03 | Drying machine and drying process for Pidotimod bulk pharmaceutical chemicals |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109000444A (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE34379L (en) * | 1969-07-17 | 1971-01-17 | Bjorn Adler Zeuthen Bruun | Drying drum for crops |
| KR100762338B1 (en) * | 2006-04-27 | 2007-10-02 | 주식회사 대우일렉트로닉스 | Dryer having indrawn tube with heater |
| CN205536959U (en) * | 2016-02-20 | 2016-08-31 | 宁波大学 | Transverse vibration's desiccator |
| CN107396998A (en) * | 2017-09-21 | 2017-11-28 | 蒋嫚 | A kind of oscillatory type drying tea leaves screening all-in-one machine |
| CN107821663A (en) * | 2017-12-11 | 2018-03-23 | 刘勤 | A kind of tea green-keeping screening all-in-one machine |
| CN207533537U (en) * | 2017-09-21 | 2018-06-26 | 维西君霖茶园有限公司 | A kind of oscillatory type drying tea leaves screening all-in-one machine |
| CN208595770U (en) * | 2018-07-03 | 2019-03-12 | 南京拉艾夫医药科技有限公司 | Drying machine for Pidotimod bulk pharmaceutical chemicals |
-
2018
- 2018-07-03 CN CN201810718235.2A patent/CN109000444A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| IE34379L (en) * | 1969-07-17 | 1971-01-17 | Bjorn Adler Zeuthen Bruun | Drying drum for crops |
| KR100762338B1 (en) * | 2006-04-27 | 2007-10-02 | 주식회사 대우일렉트로닉스 | Dryer having indrawn tube with heater |
| CN205536959U (en) * | 2016-02-20 | 2016-08-31 | 宁波大学 | Transverse vibration's desiccator |
| CN107396998A (en) * | 2017-09-21 | 2017-11-28 | 蒋嫚 | A kind of oscillatory type drying tea leaves screening all-in-one machine |
| CN207533537U (en) * | 2017-09-21 | 2018-06-26 | 维西君霖茶园有限公司 | A kind of oscillatory type drying tea leaves screening all-in-one machine |
| CN107821663A (en) * | 2017-12-11 | 2018-03-23 | 刘勤 | A kind of tea green-keeping screening all-in-one machine |
| CN208595770U (en) * | 2018-07-03 | 2019-03-12 | 南京拉艾夫医药科技有限公司 | Drying machine for Pidotimod bulk pharmaceutical chemicals |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181214 |
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| RJ01 | Rejection of invention patent application after publication |