CN110128724A - A kind of reclaimed rubber and preparation method thereof recycling waste rubber tire - Google Patents
A kind of reclaimed rubber and preparation method thereof recycling waste rubber tire Download PDFInfo
- Publication number
- CN110128724A CN110128724A CN201910484330.5A CN201910484330A CN110128724A CN 110128724 A CN110128724 A CN 110128724A CN 201910484330 A CN201910484330 A CN 201910484330A CN 110128724 A CN110128724 A CN 110128724A
- Authority
- CN
- China
- Prior art keywords
- rubber
- tire
- waste
- reclaimed
- parts
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J11/00—Recovery or working-up of waste materials
- C08J11/04—Recovery or working-up of waste materials of polymers
- C08J11/10—Recovery or working-up of waste materials of polymers by chemically breaking down the molecular chains of polymers or breaking of crosslinks, e.g. devulcanisation
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2319/00—Characterised by the use of rubbers not provided for in groups C08J2307/00 - C08J2317/00
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2491/00—Characterised by the use of oils, fats or waxes; Derivatives thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2493/00—Characterised by the use of natural resins; Derivatives thereof
- C08J2493/04—Rosin
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2495/00—Bituminous materials, e.g. asphalt, tar or pitch
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Sustainable Development (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
The invention discloses a kind of reclaimed rubbers and preparation method thereof for recycling waste rubber tire, and the reclaimed rubber of the recycling waste rubber tire includes 0.1 ~ 0.3 part of 0.1 ~ 0.5 part of 3 ~ 7 parts of 50 ~ 150 parts of waste tire glue powder, softening agent, rosin, the activator of parts by weight of raw materials.Preparation method includes ingredient, desulfurization and post-processing step; the present invention sufficiently recycles the solid waste of waste rubber tire; sufficiently excavate the potential value of solid fertilizer waste rubber tire; environmental pollution and waste of resource defect technical problem are overcome simultaneously; the true value of waste solid waste material is substantially played; solid foundation has been established for protection environment, while having improved economic benefit.
Description
Technical field
The invention belongs to recovery and reuse of waste technical fields, and in particular to a kind of recycling waste rubber tire is again
Raw rubber and preparation method thereof.
Background technique
Currently, the solid fertilizers total amount such as domestic refuse, trade waste, building castoff is growing, " rubbish encloses
City " phenomenon becomes increasingly conspicuous, and tire is the annular elastic rubber product that the ground connection in various vehicles or mechanically assembled rolls, with
The continuous development of society, industrial is constantly progressive, more and more as the solid waste of representative using waste rubber tire, current
There is environmental pollution and waste of resource defect in treating method, therefore, develop a kind of recycling that can solve above-mentioned technical problem
It is very important using method.
Summary of the invention
The first object of the present invention is to provide a kind of reclaimed rubber for recycling waste rubber tire;Second purpose exists
In the preparation method for the reclaimed rubber for providing the recycling waste rubber tire.
The first object of the present invention is achieved in that the reclaimed rubber of the recycling waste rubber tire includes
0.1 ~ 0.3 part of 0.1 ~ 0.5 part of 3 ~ 7 parts of 50 ~ 150 parts of waste tire glue powder, softening agent, rosin, the activator of parts by weight of raw materials.
The second object of the present invention is achieved in that the reclaimed rubber tyre of the recycling waste rubber tire
Preparation method include ingredient, desulfurization and post-processing step, specifically include:
A, ingredient: ingredient is carried out by formulation ratio and obtains material a;
B, desulfurization: being added to dynamic desulfurization in digester for material a, i.e., steam is added in the digester with material a to pressure
Power is 0.6 ~ 0.8MPa, and being then heated to 200 ~ 250 DEG C of control pressure is 1.5 ~ 2.5MPa, then 60 ~ 100min of heat-insulation pressure keeping
Start can opening mouth discharge when steam discharge to pressure inside the tank is 0 afterwards and obtains the rubber powder material b of desulfurization;
C, it post-processes: the rubber powder material b of desulfurization is obtained into object reclaimed rubber through mill, kneading and refining.
The present invention sufficiently recycles the solid waste of waste rubber tire, sufficiently excavates the latent of solid fertilizer waste rubber tire
It is being worth, while overcoming environmental pollution and waste of resource defect technical problem, substantially playing the true of waste solid waste material
Positive value has established solid foundation for protection environment, while having improved economic benefit.
Specific embodiment
Below with reference to embodiment, the present invention is further illustrated, but the present invention is limited in any way,
Based on present invention teach that it is made it is any transform or replace, all belong to the scope of protection of the present invention.
The reclaimed rubber of the present invention for recycling waste rubber tire includes the waste tire glue of parts by weight of raw materials
50 ~ 150 parts of powder, 3 ~ 7 parts of softening agent, 0.1 ~ 0.5 part of rosin, 0.1 ~ 0.3 part of activator.
The reclaimed rubber of the recycling waste rubber tire include parts by weight of raw materials waste tire glue powder 80 ~
120 parts, 4 ~ 6 parts of softening agent, 0.2 ~ 0.4 part of rosin, 0.1 ~ 0.2 part of activator.
The reclaimed rubber of the recycling waste rubber tire includes the waste tire glue powder 100 of parts by weight of raw materials
Part, 5 parts of softening agent, 0.3 part of rosin, 0.15 part of activator.
The waste tire glue powder is to be prepared into using waste rubber tire as raw material through slitting, stripping and slicing, crushing separation
It arrives.
The waste tire glue powder is through slitting, stripping and slicing, to crush separating step preparation using waste rubber tire as raw material
It obtains, specific preparation process is as follows:
A, it cuts: waste rubber tire being cut into strip through cutting machine and obtains rubber strip a;
B, rubber strip a stripping and slicing: is obtained into rubber block b after dicer stripping and slicing;
C, it crushes separation: rubber block b being separated into metal object with magnetic separation through crushing and obtains object waste tire glue powder.
The width of the rubber strip a is 3 ~ 8cm;The size of the rubber block b is (3 ~ 5) cm × (3 ~ 5) cm;It is described
Crushing be that crushed 30 meshes;The magnetic separation separation metal object is separated through two-stage magnetic separation.
The magnetic field strength of the two-stage magnetic separation separation specifically: the magnetic field strength of first order magnetic separation is 4000 ~ 6000Gs;
The magnetic field strength of second level magnetic separation is 2000 ~ 4000Gs.
The softening agent is coal tar or aromatic naphtha.
The activator is 480 rubber activators.
It is of the present invention recycle waste rubber tire reclaimed rubber preparation method, including ingredient, desulfurization and
Post-processing step specifically includes:
A, ingredient: ingredient is carried out by formulation ratio and obtains material a;
B, desulfurization: being added to dynamic desulfurization in digester for material a, i.e., steam is added in the digester with material a to pressure
Power is 0.6 ~ 0.8MPa, and being then heated to 200 ~ 250 DEG C of control pressure is 1.5 ~ 2.5MPa, then 60 ~ 100min of heat-insulation pressure keeping
Start can opening mouth discharge when steam discharge to pressure inside the tank is 0 afterwards and obtains the rubber powder material b of desulfurization;
C, it post-processes: the rubber powder material b of desulfurization is obtained into object reclaimed rubber through mill, kneading and refining.
With specific case study on implementation, the present invention will be further described below:
Embodiment 1
Waste rubber tire is cut into the strip that width is 3cm through cutting machine and obtains rubber strip a;By rubber strip a through stripping and slicing machine-cut
At size be 3cm × 3cm fritter after obtain rubber block b;Rubber block b is separated into metal object with two-stage magnetic separation through crushing and obtains mesh
Object waste tire glue powder is marked, wherein the magnetic field strength of two-stage magnetic separation separation specifically: the magnetic field strength of first order magnetic separation is
4000Gs;The magnetic field strength of second level magnetic separation is 4000Gs.
Embodiment 2
Waste rubber tire is cut into the strip that width is 8cm through cutting machine and obtains rubber strip a;By rubber strip a through stripping and slicing machine-cut
At size be 5cm × 5cm fritter after obtain rubber block b;Rubber block b is separated into metal object with two-stage magnetic separation through crushing and obtains mesh
Object waste tire glue powder is marked, wherein the magnetic field strength of two-stage magnetic separation separation specifically: the magnetic field strength of first order magnetic separation is
6000Gs;The magnetic field strength of second level magnetic separation is 2000Gs.
Embodiment 3
Waste rubber tire is cut into the strip that width is 3 ~ 8cm through cutting machine and obtains rubber strip a;By rubber strip a through dicer
Rubber block b is obtained after being cut into the fritter that size is 4cm × 5cm;Rubber block b is separated metal object with two-stage magnetic separation through crushing to obtain
Object waste tire glue powder, the wherein magnetic field strength of two-stage magnetic separation separation specifically: the magnetic field strength of first order magnetic separation is
5000Gs;The magnetic field strength of second level magnetic separation is 3000Gs.
Embodiment 4
Weigh 3 Kg of waste tire glue powder 50Kg, coal tar or aromatic naphtha, 0.1 Kg of rosin, 480 rubbers that embodiment 1 is prepared
0.1 Kg of glue activator is uniformly mixed so as to obtain material a, material a is added to dynamic desulfurization in digester, i.e., in the desulfurization with material a
It is 0.6MPa that steam to pressure is added in tank, and being then heated to 200 DEG C of control pressure is 1.5MPa, then heat-insulation pressure keeping 100min
Start can opening mouth discharge when steam discharge to pressure inside the tank is 0 afterwards and obtains the rubber powder material b of desulfurization;By the rubber powder material b of desulfurization through mill, pinch
Refining and refining obtain object reclaimed rubber.
Embodiment 5
Weigh standby obtained 7 Kg of waste tire glue powder 150Kg, coal tar or aromatic naphtha, 0.5 Kg of rosin, 480 rubbers of embodiment 3
0.3 Kg of glue activator is uniformly mixed so as to obtain material a, material a is added to dynamic desulfurization in digester, i.e., in the desulfurization with material a
It is 0.8MPa that steam to pressure is added in tank, and being then heated to 200 DEG C of control pressure is 2.5MPa, then heat-insulation pressure keeping 60min
Start can opening mouth discharge when steam discharge to pressure inside the tank is 0 afterwards and obtains the rubber powder material b of desulfurization;By the rubber powder material b of desulfurization through mill, pinch
Refining and refining obtain object reclaimed rubber.
Embodiment 6
Weigh standby obtained 5 Kg of waste tire glue powder 100Kg, coal tar or aromatic naphtha, 0.3 Kg of rosin, 480 rubbers of embodiment 2
0.2 Kg of glue activator is uniformly mixed so as to obtain material a, material a is added to dynamic desulfurization in digester, i.e., in the desulfurization with material a
It is 0.7MPa that steam to pressure is added in tank, and being then heated to 220 DEG C of control pressure is 1.9MPa, then heat-insulation pressure keeping 90min
Start can opening mouth discharge when steam discharge to pressure inside the tank is 0 afterwards and obtains the rubber powder material b of desulfurization;By the rubber powder material b of desulfurization through mill, pinch
Refining and refining obtain object reclaimed rubber.
Embodiment 7
Weigh standby obtained 3 Kg of waste tire glue powder 150Kg, coal tar or aromatic naphtha, 0.5 Kg of rosin, 480 rubbers of embodiment 2
0.3 Kg of glue activator is uniformly mixed so as to obtain material a, material a is added to dynamic desulfurization in digester, i.e., in the desulfurization with material a
It is 0.6MPa that steam to pressure is added in tank, and being then heated to 250 DEG C of control pressure is 2.5MPa, then heat-insulation pressure keeping 80min
Start can opening mouth discharge when steam discharge to pressure inside the tank is 0 afterwards and obtains the rubber powder material b of desulfurization;By the rubber powder material b of desulfurization through mill, pinch
Refining and refining obtain object reclaimed rubber.
Claims (10)
1. a kind of reclaimed rubber for recycling waste rubber tire, it is characterised in that the recycling waste rubber tire
Reclaimed rubber include parts by weight of raw materials 0.1 ~ 0.5 part of 3 ~ 7 parts of 50 ~ 150 parts of waste tire glue powder, softening agent, rosin, activation
0.1 ~ 0.3 part of agent.
2. the reclaimed rubber according to claim 1 for recycling waste rubber tire, it is characterised in that the recycling
Reclaimed rubber using waste rubber tire includes 4 ~ 6 parts of 80 ~ 120 parts of waste tire glue powder, the softening agent of parts by weight of raw materials, pine
It is 0.2 ~ 0.4 part, 0.1 ~ 0.2 part of activator fragrant.
3. the reclaimed rubber according to claim 1 for recycling waste rubber tire, it is characterised in that the recycling
Reclaimed rubber using waste rubber tire includes 5 parts of 100 parts of waste tire glue powder, softening agent, the rosin 0.3 of parts by weight of raw materials
Part, 0.15 part of activator.
4. the reclaimed rubber of any recycling waste rubber tire according to claim 1 ~ 3, it is characterised in that described
Waste tire glue powder be using waste rubber tire as raw material, through slitting, stripping and slicing, crush separation be prepared.
5. the reclaimed rubber according to claim 4 for recycling waste rubber tire, it is characterised in that described is discarded
Tire glue powder is prepared through slitting, stripping and slicing, crushing separating step, specific preparation step using waste rubber tire as raw material
It is as follows:
A, it cuts: waste rubber tire being cut into strip through cutting machine and obtains rubber strip a;
B, rubber strip a stripping and slicing: is obtained into rubber block b after dicer stripping and slicing;
C, it crushes separation: rubber block b being separated into metal object with magnetic separation through crushing and obtains object waste tire glue powder.
6. the reclaimed rubber according to claim 5 for recycling waste rubber tire, it is characterised in that the rubber
The width of a is 3 ~ 8cm;The size of the rubber block b is (3 ~ 5) cm × (3 ~ 5) cm;The crushing is to crushed 30 mesh
Sieve;The magnetic separation separation metal object is separated through two-stage magnetic separation.
7. the reclaimed rubber according to claim 6 for recycling waste rubber tire, it is characterised in that the two-stage
The magnetic field strength of magnetic separation separation specifically: the magnetic field strength of first order magnetic separation is 4000 ~ 6000Gs;The magnetic field of second level magnetic separation is strong
Degree is 2000 ~ 4000Gs.
8. the reclaimed rubber according to claim 1 for recycling waste rubber tire, it is characterised in that the softening
Agent is coal tar or aromatic naphtha.
9. the reclaimed rubber according to claim 1 for recycling waste rubber tire, it is characterised in that the activation
Agent is 480 rubber activators.
10. a kind of preparation method of the reclaimed rubber of any recycling waste rubber tire of claim 1 ~ 9, special
Sign is to include ingredient, desulfurization and post-processing step, specifically includes:
A, ingredient: ingredient is carried out by formulation ratio and obtains material a;
B, desulfurization: being added to dynamic desulfurization in digester for material a, i.e., steam is added in the digester with material a to pressure
Power is 0.6 ~ 0.8MPa, and being then heated to 200 ~ 250 DEG C of control pressure is 1.5 ~ 2.5MPa, then 60 ~ 100min of heat-insulation pressure keeping
Start can opening mouth discharge when steam discharge to pressure inside the tank is 0 afterwards and obtains the rubber powder material b of desulfurization;
C, it post-processes: the rubber powder material b of desulfurization is obtained into object reclaimed rubber through mill, kneading and refining.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910484330.5A CN110128724A (en) | 2019-06-05 | 2019-06-05 | A kind of reclaimed rubber and preparation method thereof recycling waste rubber tire |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910484330.5A CN110128724A (en) | 2019-06-05 | 2019-06-05 | A kind of reclaimed rubber and preparation method thereof recycling waste rubber tire |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110128724A true CN110128724A (en) | 2019-08-16 |
Family
ID=67580224
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910484330.5A Pending CN110128724A (en) | 2019-06-05 | 2019-06-05 | A kind of reclaimed rubber and preparation method thereof recycling waste rubber tire |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110128724A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111645234A (en) * | 2020-06-01 | 2020-09-11 | 山东领军科技集团有限公司 | Preparation method for preparing reclaimed rubber by adopting waste tires |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5303661A (en) * | 1993-06-04 | 1994-04-19 | Yu Chun An | Dry process for speedy and continuous recycling discarded rubber |
CN1657557A (en) * | 2005-01-21 | 2005-08-24 | 孔德威 | Method for preparing non-odor generated rubber |
CN101074302A (en) * | 2007-06-14 | 2007-11-21 | 宿迁市强维橡塑有限公司 | High-quality regenerated rubber and its production |
CN101798397A (en) * | 2009-02-11 | 2010-08-11 | 韩传杰 | New production process of recovered rubber |
CN102942709A (en) * | 2012-10-11 | 2013-02-27 | 陆良众力达橡胶有限公司 | Waste tire regeneration processing technology |
CN103012894A (en) * | 2012-11-21 | 2013-04-03 | 金湖晋祥橡塑科技有限公司 | Reclaimed superglue and production method thereof |
-
2019
- 2019-06-05 CN CN201910484330.5A patent/CN110128724A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5303661A (en) * | 1993-06-04 | 1994-04-19 | Yu Chun An | Dry process for speedy and continuous recycling discarded rubber |
CN1657557A (en) * | 2005-01-21 | 2005-08-24 | 孔德威 | Method for preparing non-odor generated rubber |
CN101074302A (en) * | 2007-06-14 | 2007-11-21 | 宿迁市强维橡塑有限公司 | High-quality regenerated rubber and its production |
CN101798397A (en) * | 2009-02-11 | 2010-08-11 | 韩传杰 | New production process of recovered rubber |
CN102942709A (en) * | 2012-10-11 | 2013-02-27 | 陆良众力达橡胶有限公司 | Waste tire regeneration processing technology |
CN103012894A (en) * | 2012-11-21 | 2013-04-03 | 金湖晋祥橡塑科技有限公司 | Reclaimed superglue and production method thereof |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111645234A (en) * | 2020-06-01 | 2020-09-11 | 山东领军科技集团有限公司 | Preparation method for preparing reclaimed rubber by adopting waste tires |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Nuzaimah et al. | Recycling of waste rubber as fillers: A review | |
Dobrotă et al. | An innovative method in the regeneration of waste rubber and the sustainable development | |
CN100434198C (en) | Domestic garbage processing process | |
CN105017581A (en) | Method for preparing modified waste rigid polyurethane foaming plastic active micro-powder reinforcing rubber material | |
CN101418082A (en) | Green desulfurization technique of waste rubber | |
CN110128724A (en) | A kind of reclaimed rubber and preparation method thereof recycling waste rubber tire | |
CN104710791A (en) | Processing method of 200-mesh silicone rubber powder | |
CN102295791A (en) | High-strength reclaimed rubber | |
CN110204808A (en) | A kind of modified rubber and preparation method thereof recycling waste rubber tire | |
CN111040244A (en) | Tasteless environment-friendly high-strength reclaimed rubber and preparation method thereof | |
CN105365073A (en) | Method for generating rubber powder through waste tires | |
CN102975310A (en) | Waste rubber particle ultrafine grinding production method | |
CN102702595A (en) | Processing method of 200-mesh fine rubber powder | |
Manuel et al. | Recycling of rubber | |
CN104526910A (en) | Process of producing high-performance regenerated rubber through waste tires | |
CN115195178A (en) | Environment-friendly production process for reproducing insoles by using insole leftover materials | |
CN101602236A (en) | The mechanical regeneration method of rubber burrs | |
TWI523897B (en) | The use of waste foam material recovery made of a renewable foam material | |
Maria et al. | Rubber Wastes Management and Recycling | |
CN102690453A (en) | Processing method of 800-mesh fine rubber powder | |
CN109679179A (en) | A kind of reuse method of waste and old mining machinery tire | |
CN103980578B (en) | A kind of regenerative vulcanized hydrogenated nitrile-butadiene rubber and preparation method thereof | |
PU | Rubber in shoes: role of technology and recycling based on a LCA analysis | |
CN104710664A (en) | Processing method of 200-mesh color rubber powder | |
CN115874460A (en) | Method for manufacturing environment-friendly leather for refrigerator and method for recovering rigid polyurethane foam |
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: 20190816 |
|
RJ01 | Rejection of invention patent application after publication |