CN103617858B - A kind of preparation method of polyaniline derivative parcel nano magnetic particle magnetic liquid - Google Patents
A kind of preparation method of polyaniline derivative parcel nano magnetic particle magnetic liquid Download PDFInfo
- Publication number
- CN103617858B CN103617858B CN201310576592.7A CN201310576592A CN103617858B CN 103617858 B CN103617858 B CN 103617858B CN 201310576592 A CN201310576592 A CN 201310576592A CN 103617858 B CN103617858 B CN 103617858B
- Authority
- CN
- China
- Prior art keywords
- magnetic
- liquid
- add
- polyaniline
- polyaniline derivative
- 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.)
- Expired - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 41
- 229920000767 polyaniline Polymers 0.000 title claims abstract description 31
- 239000006249 magnetic particle Substances 0.000 title claims abstract description 28
- 238000002360 preparation method Methods 0.000 title claims abstract description 10
- RWZYAGGXGHYGMB-UHFFFAOYSA-N anthranilic acid Chemical compound NC1=CC=CC=C1C(O)=O RWZYAGGXGHYGMB-UHFFFAOYSA-N 0.000 claims abstract description 40
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N Aniline Chemical compound NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 claims abstract description 26
- 239000011246 composite particle Substances 0.000 claims abstract description 12
- 239000000178 monomer Substances 0.000 claims abstract description 7
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims abstract 8
- WBIQQQGBSDOWNP-UHFFFAOYSA-N 2-dodecylbenzenesulfonic acid Chemical compound CCCCCCCCCCCCC1=CC=CC=C1S(O)(=O)=O WBIQQQGBSDOWNP-UHFFFAOYSA-N 0.000 claims abstract 3
- 229940060296 dodecylbenzenesulfonic acid Drugs 0.000 claims abstract 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 15
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 14
- 239000008367 deionised water Substances 0.000 claims description 13
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 229910021641 deionized water Inorganic materials 0.000 claims description 9
- 235000011114 ammonium hydroxide Nutrition 0.000 claims description 7
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 7
- NQXWGWZJXJUMQB-UHFFFAOYSA-K iron trichloride hexahydrate Chemical compound O.O.O.O.O.O.[Cl-].Cl[Fe+]Cl NQXWGWZJXJUMQB-UHFFFAOYSA-K 0.000 claims description 7
- 239000000047 product Substances 0.000 claims description 6
- 239000012535 impurity Substances 0.000 claims description 5
- 229960002089 ferrous chloride Drugs 0.000 claims description 3
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 3
- 239000012065 filter cake Substances 0.000 claims description 2
- 238000000967 suction filtration Methods 0.000 claims description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 claims 2
- 229940044631 ferric chloride hexahydrate Drugs 0.000 claims 2
- 239000007795 chemical reaction product Substances 0.000 claims 1
- 238000007885 magnetic separation Methods 0.000 claims 1
- 239000000203 mixture Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 13
- 230000000694 effects Effects 0.000 abstract description 3
- 239000002245 particle Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 2
- 239000002105 nanoparticle Substances 0.000 abstract 2
- 230000005693 optoelectronics Effects 0.000 abstract 2
- 150000001335 aliphatic alkanes Chemical group 0.000 abstract 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N iron Substances [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 19
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 15
- 238000013019 agitation Methods 0.000 description 11
- 238000002156 mixing Methods 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 3
- QJVKUMXDEUEQLH-UHFFFAOYSA-N [B].[Fe].[Nd] Chemical compound [B].[Fe].[Nd] QJVKUMXDEUEQLH-UHFFFAOYSA-N 0.000 description 3
- 239000002322 conducting polymer Substances 0.000 description 3
- 229920001940 conductive polymer Polymers 0.000 description 3
- 229910001172 neodymium magnet Inorganic materials 0.000 description 3
- 238000006116 polymerization reaction Methods 0.000 description 3
- 239000004065 semiconductor Substances 0.000 description 3
- 239000000243 solution Substances 0.000 description 3
- 239000006228 supernatant Substances 0.000 description 3
- 239000002270 dispersing agent Substances 0.000 description 2
- 229910000859 α-Fe Inorganic materials 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001805 chlorine compounds Chemical class 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000002019 doping agent Substances 0.000 description 1
- 238000009396 hybridization Methods 0.000 description 1
- 230000005381 magnetic domain Effects 0.000 description 1
- 239000011553 magnetic fluid Substances 0.000 description 1
- 239000002122 magnetic nanoparticle Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 229920000620 organic polymer Polymers 0.000 description 1
- 239000004038 photonic crystal Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
Landscapes
- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Abstract
一种聚苯胺衍生物包裹纳米磁性颗粒磁性液体的制备方法，通过分步穿插反应，达到聚苯胺衍生物成化学键牢固包裹Fe3O4纳米颗粒的效果，具体采用邻氨基苯甲酸先对Fe3O4纳米颗粒表面进行修饰，接着加入苯胺单体聚合形成聚苯胺衍生物，最后在Fe3O4/聚苯胺衍生物复合颗粒表面接上十二烷基苯磺酸，利用其烷烃基亲非极性的特点稳定分散于基载液中，制备出聚苯胺衍生物包裹纳米Fe3O4颗粒的磁性液体。该磁性液体在规律性变化磁场作用下，其光电性能方面也会产生规律性变化，即最终可通过调节磁场强度达到可控调节其在光电方面的性能指标的目的，在磁性液体的研究中开辟出了一个新颖的可供研究的小分支，具有很重要的研究及应用价值。A preparation method of polyaniline derivatives encapsulating nano-magnetic particles magnetic liquid, through step-by - step interpenetrating reactions, to achieve the effect of polyaniline derivatives forming chemical bonds to firmly encapsulate Fe3O4 nanoparticles, specifically using anthranilic acid to first react Fe3O4 The surface of O 4 nanoparticles is modified, followed by adding aniline monomer to polymerize to form polyaniline derivatives, and finally dodecylbenzenesulfonic acid is attached to the surface of Fe 3 O 4 /polyaniline derivative composite particles to utilize its alkane groups to The characteristic of polarity is stably dispersed in the base carrier liquid, and the magnetic liquid in which the polyaniline derivative wraps the nano-Fe 3 O 4 particles is prepared. Under the action of a regularly changing magnetic field, the magnetic liquid will also have regular changes in its optoelectronic properties, that is, it can finally achieve the purpose of controllably adjusting its optoelectronic performance indicators by adjusting the magnetic field strength, which is a pioneer in the research of magnetic liquids. A novel small branch available for research has been created, which has very important research and application value.
Description
Technical field
The present invention relates to the preparation method of a kind of conducting polymer parcel nano magnetic particle magnetic liquid, particularly relate to the preparation method of a kind of polyaniline derivative parcel nano magnetic particle magnetic liquid.
Technical background
Magnetic liquid refers to the colloidal solution of a kind of high stability that the nano magnetic particle highly dispersed that size magnitude is less than single magnetic domain is formed in liquid base load liquid, the dispersant of general magnetic liquid is organic polymer chain, do not possess special performance, and once after original nano magnetic particle and dispersant joining place superscribe one deck organic semiconductor in magnetic liquid, a kind of novel organic inorganic hybridization magnetic liquid just arises at the historic moment, organic semiconductor is by after organically combining with magnetic liquid, organic semi-conductor performance is just by regulating magnetic field intensity to make magnetic liquid possess regular photoelectric properties change, therefore such Magnetic Fluids has great potential in the application in the field such as micro-optic device and photonic crystal.
But the preparation of this kind of magnetic liquid needs to overcome three difficult points: one is the stability of conducting polymer coated magnetic nano particle; Two be conducting polymer integument size magnitude control; Three be parcel after nano magnetic particle how stable dispersion is in base load liquid.The present invention, just based on overcoming above three difficult points, is prepared into polyaniline derivative parcel Fe
3o
4magnetic-particle magnetic liquid.
Summary of the invention
The object of this invention is to provide the preparation method of a kind of polyaniline derivative parcel nano magnetic particle magnetic liquid, its magnetic-particle surface of magnetic liquid existed at present is all common organic long-chain molecules.Except the essential characteristic that some magnetic liquids possess, there is no the feature of other uniquenesses.
The present invention uses the interspersed indirect synthesis of substep to obtain the magnetic liquid being wrapped up nano magnetic particle by polyaniline derivative, and its preparation method is:
(1) by four water solution of ferrous chloride and the mixing of Iron trichloride hexahydrate solution, add ammoniacal liquor, rapid stirring, then add the ethanol being dissolved with ortho-aminobenzoic acid, lower reaction one hour is stirred in water-bath 75 DEG C.
(2) product carries out suction filtration after physics Magneto separate, and filter cake cleans 3 times with washed with de-ionized water 6 times, acetone respectively, and last vacuumize obtains the Fe of ortho-aminobenzoic acid parcel
3o
4magnetic-particle.
(3) by the Fe of obtained ortho-aminobenzoic acid parcel
3o
4magnetic-particle to add in deionized water and mechanical agitation, and add aniline monomer and be dissolved with the hydrochloric acid of ammonium persulfate, stirring reaction 6 hours, product is purified through removal of impurities, the Fe of obtained polyaniline derivative parcel
3o
4/ polyaniline derivative composite particles.
(4) by Fe
3o
4/ polyaniline derivative composite particles adds and is dissolved with in the ethyl acetate of DBSA, and mechanical agitation, after 6 hours, gets upper liquid in centrifugal 5 minutes, obtains polyaniline derivative parcel Fe
3o
4magnetic-particle magnetic liquid.
Four described water frerrous chlorides, Iron trichloride hexahydrate, ammoniacal liquor, ortho-aminobenzoic acid, ethanol, aniline, ammonium persulfate, hydrochloric acid, DBSA molar ratio of material are: 1 ~ 1.05:1.75:15:1:10:0.74:2:0.9:1.
The invention has the beneficial effects as follows:
The present invention is by first wrapping up ortho-aminobenzoic acid on nanometer ferrite surface, then aniline and the reaction of initator generation aniline polymerization is added, make ortho-aminobenzoic acid, aniline polymerization becomes polyaniline derivative, reach polyaniline derivative and be wrapped in effect on magnetic Nano ferrite particle by chemical bond securely, by accurately controlling aniline monomer consumption, the size magnitude preventing from aniline polymerization degree from exceeding magnetic liquid carrying, thus reach control Fe
3o
4the effect of/polyaniline derivative composite particles particle diameter; Adopt DBSA to increase its close ethyl acetate as surfactant and dopant, thus obtain magnetic liquid.
Embodiment
embodiment 1:
A, will be dissolved with 4.34g tetra-water frerrous chloride solution and be dissolved with 10.32g Iron trichloride hexahydrate solution mixing, add 40ml ammoniacal liquor (mass concentration 28%), mechanical agitation, then adds the 10ml ethanol being dissolved with 3g ortho-aminobenzoic acid, and lower reaction one hour is stirred in water-bath 75 DEG C.
After B, reaction terminate, pour beaker into, be placed on by beaker in neodymium iron boron strong magnets and leave standstill ten minutes, physics Magneto separate, outwells supernatant liquid after Magneto separate, and after washed with de-ionized water 6 times, then acetone cleans 3 times, and last vacuumize obtains the Fe of ortho-aminobenzoic acid parcel
3o
4magnetic-particle.
C, the Fe that obtained ortho-aminobenzoic acid is wrapped up
3o
4magnetic-particle to add in deionized water and mechanical agitation, with hydrochloric acid and deionized water, solution is adjusted to PH=1, add 1.5ml aniline monomer and be dissolved with 10g ammonium persulfate 200ml hydrochloric acid (0.1MHClaq) in stirring reaction 6 hours, product removal of impurities is purified to obtain the Fe of polyaniline derivative parcel
3o
4/ polyaniline derivative composite particles.
D, composite particles added be dissolved with 6ml DBSA 30ml ethyl acetate in mechanical agitation 6 hours, then within centrifugal 5 minutes, get upper liquid and be polyaniline derivative parcel Fe
3o
4magnetic-particle magnetic liquid.
Embodiment 2:
A, will be dissolved with the solution of 4.55g tetra-water frerrous chloride and be dissolved with the solution mixing of 10.32g Iron trichloride hexahydrate, add 40ml ammoniacal liquor (28%), mechanical agitation, then add the 10ml ethanol being dissolved with 3g ortho-aminobenzoic acid, lower reaction one hour is stirred in water-bath 75 DEG C.
After B, reaction terminate, pour beaker into, be placed on by beaker in neodymium iron boron strong magnets and leave standstill ten minutes, physics Magneto separate, outwells supernatant liquid after Magneto separate, and after washed with de-ionized water 6 times, then acetone cleans 3 times, and last vacuumize obtains the Fe of ortho-aminobenzoic acid parcel
3o
4magnetic-particle.
C, the Fe that obtained ortho-aminobenzoic acid is wrapped up
3o
4magnetic-particle to add in deionized water and mechanical agitation, with hydrochloric acid and deionized water, solution is adjusted to PH=1, add 1.5ml aniline monomer and be dissolved with 10g ammonium persulfate 200ml hydrochloric acid (0.1MHClaq) in stirring reaction 6 hours, product removal of impurities is purified to obtain the Fe of polyaniline derivative parcel
3o
4/ polyaniline derivative composite particles.
D, composite particles added be dissolved with 6ml DBSA 30ml ethyl acetate in mechanical agitation 6 hours, then within centrifugal 5 minutes, get upper liquid and be polyaniline derivative parcel Fe
3o
4magnetic-particle magnetic liquid.
Embodiment 3:
A, will be dissolved with the solution of 4.34g tetra-water frerrous chloride and be dissolved with the solution mixing of 10.32g Iron trichloride hexahydrate, add 40ml ammoniacal liquor (28%), mechanical agitation, then add the 10ml ethanol being dissolved with 3g ortho-aminobenzoic acid, lower reaction one hour is stirred in water-bath 75 DEG C.
After B, reaction terminate, pour beaker into, be placed on by beaker in neodymium iron boron strong magnets and leave standstill ten minutes, physics Magneto separate, outwells supernatant liquid after Magneto separate, and after washed with de-ionized water 6 times, then acetone cleans 3 times, and last vacuumize obtains the Fe of ortho-aminobenzoic acid parcel
3o
4magnetic-particle.
C, the Fe that obtained ortho-aminobenzoic acid is wrapped up
3o
4magnetic-particle to add in deionized water and mechanical agitation, with hydrochloric acid and deionized water, solution is adjusted to PH=1, add 1.5ml aniline monomer and be dissolved with 10g ammonium persulfate 200ml hydrochloric acid (0.1MHClaq) in stirring reaction 6 hours, product removal of impurities is purified to obtain the Fe of polyaniline derivative parcel
3o
4/ polyaniline derivative composite particles.
D, composite particles added be dissolved with 6ml DBSA 35ml ethyl acetate in mechanical agitation 6 hours, then within centrifugal 5 minutes, get upper liquid and be polyaniline derivative parcel Fe
3o
4magnetic-particle magnetic liquid.
Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310576592.7A CN103617858B (en) | 2013-11-19 | 2013-11-19 | A kind of preparation method of polyaniline derivative parcel nano magnetic particle magnetic liquid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310576592.7A CN103617858B (en) | 2013-11-19 | 2013-11-19 | A kind of preparation method of polyaniline derivative parcel nano magnetic particle magnetic liquid |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103617858A CN103617858A (en) | 2014-03-05 |
| CN103617858B true CN103617858B (en) | 2016-04-27 |
Family
ID=50168561
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310576592.7A Expired - Fee Related CN103617858B (en) | 2013-11-19 | 2013-11-19 | A kind of preparation method of polyaniline derivative parcel nano magnetic particle magnetic liquid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103617858B (en) |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US8293443B2 (en) * | 2007-10-12 | 2012-10-23 | Lexmark International, Inc. | Black toners containing infrared transmissive and reflecting colorants |
| CN102360676B (en) * | 2011-09-29 | 2014-11-26 | 南昌航空大学 | Method for preparing magneto conducting magnetic fluid |
-
2013
- 2013-11-19 CN CN201310576592.7A patent/CN103617858B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103617858A (en) | 2014-03-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| Ayad et al. | Synthesis of silver-anchored polyaniline–chitosan magnetic nanocomposite: a smart system for catalysis | |
| Sakar et al. | Annealing temperature mediated physical properties of bismuth ferrite (BiFeO3) nanostructures synthesized by a novel wet chemical method | |
| Han et al. | Thermoresponsive nanoparticles+ plasmonic nanoparticles= photoresponsive heterodimers: Facile synthesis and sunlight-induced reversible clustering | |
| CN103980406A (en) | Method for preparing anionic polyacrylamide | |
| CN103372407A (en) | Preparation method of magnetic fluorescent composite nanospheres | |
| CN110423305B (en) | A method for preparing Fe3O4@PVP@PNIPAM magnetic photonic crystal nanochain particles | |
| CN102826613A (en) | Preparation method of graphene-based ferroferric oxide nano-composite material | |
| CN114512290A (en) | Silicon oil-based magnetic liquid and preparation method thereof | |
| CN102516607A (en) | Preparation method of magnetic rectorite/chitosan nano-grade composite material | |
| Vo et al. | Surface modification of hydrophobic nanocrystals using short-chain carboxylic acids | |
| CN101707109B (en) | A functionalized superparamagnetic nanoparticle with uniform particle size and preparation method thereof | |
| CN112812226B (en) | Magnetic CPAM water-in-water emulsion and preparation method thereof | |
| CN102417567A (en) | Preparation method of one-dimensional magnetic temperature-sensitive nanochain | |
| CN102964716B (en) | Preparation method of high electric conduction and magnetic conduction graphene doping modified polyvinyl chloride | |
| CN102086304B (en) | A kind of iron phthalocyanine prepolymer/Fe3O4 nano-hybrid magnetic material and preparation method thereof | |
| CN103617858B (en) | A kind of preparation method of polyaniline derivative parcel nano magnetic particle magnetic liquid | |
| CN102502879A (en) | A kind of Fe3O4 nano microsphere and preparation method thereof | |
| CN102360676B (en) | Method for preparing magneto conducting magnetic fluid | |
| CN103613117B (en) | A kind of method adjusting the ratio regulation and control zinc sulfide nano pattern of mixed solvent | |
| CN103224831B (en) | A kind of electrorheological fluid and preparation method thereof | |
| CN102931149B (en) | Nano-silicon dioxide and nano-silicon nitride composite material and preparation method thereof | |
| CN103745794B (en) | The magnetic liquid of polyaniline derivative parcel nano magnetic particle is prepared in a kind of substep assembling | |
| CN103632796B (en) | A kind of polyaniline-coated nano Co Fe 2o 4the preparation method of particle magnetic liquid | |
| CN104934185A (en) | Binary weak magnetic mixed ionic type magnetic liquid preparation method | |
| Zhang et al. | Magnetic properties of hydrophilic iron oxide/polyaniline nanocomposites synthesized by in situ chemical oxidative polymerization |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200103 Address after: 344500 gold industry park, Nanfeng County, Fuzhou, Jiangxi Patentee after: Nanfeng Jipin Biotechnology Co.,Ltd. Address before: 330063 Nanchang, Jiangxi province and South Road, No. 696 Patentee before: NANCHANG HANGKONG University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20200131 Address after: 330063 Nanchang, Jiangxi province and South Road, No. 696 Patentee after: NANCHANG HANGKONG University Address before: 344500 gold industry park, Nanfeng County, Fuzhou, Jiangxi Patentee before: Nanfeng Jipin Biotechnology Co.,Ltd. |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201230 Address after: 344700 No.3 Industrial Park, Jianchang Town, Nancheng County, Fuzhou City, Jiangxi Province Patentee after: JIANGXI GANMIXIANG FOOD TECHNOLOGY Co.,Ltd. Address before: 330063 No. 696 Feng Nan Road, Jiangxi, Nanchang Patentee before: NANCHANG HANGKONG University |
|
| TR01 | Transfer of patent right | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20210427 Address after: 330000 Nanchang, Jiangxi province and South Road, No. 696 Patentee after: NANCHANG HANGKONG University Address before: 344700 No.3 Industrial Park of Jianchang Town, Nancheng County, Fuzhou City, Jiangxi Province Patentee before: JIANGXI GANMIXIANG FOOD TECHNOLOGY Co.,Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160427 |