CN112191259A - 一种MXene/Au光催化固氮材料、其制备方法及应用 - Google Patents
一种MXene/Au光催化固氮材料、其制备方法及应用 Download PDFInfo
- Publication number
- CN112191259A CN112191259A CN202011138821.3A CN202011138821A CN112191259A CN 112191259 A CN112191259 A CN 112191259A CN 202011138821 A CN202011138821 A CN 202011138821A CN 112191259 A CN112191259 A CN 112191259A
- Authority
- CN
- China
- Prior art keywords
- nitrogen fixation
- solution
- photocatalytic
- mxene
- photocatalytic nitrogen
- 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.)
- Granted
Links
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 94
- 239000000463 material Substances 0.000 title claims abstract description 94
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 56
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 47
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000010931 gold Substances 0.000 claims abstract description 122
- 229910009819 Ti3C2 Inorganic materials 0.000 claims abstract description 89
- 239000001509 sodium citrate Substances 0.000 claims abstract description 29
- NLJMYIDDQXHKNR-UHFFFAOYSA-K sodium citrate Chemical compound O.O.[Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O NLJMYIDDQXHKNR-UHFFFAOYSA-K 0.000 claims abstract description 28
- 238000000034 method Methods 0.000 claims abstract description 27
- LZZYPRNAOMGNLH-UHFFFAOYSA-M Cetrimonium bromide Chemical compound [Br-].CCCCCCCCCCCCCCCC[N+](C)(C)C LZZYPRNAOMGNLH-UHFFFAOYSA-M 0.000 claims abstract description 18
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims abstract description 17
- 229910052737 gold Inorganic materials 0.000 claims abstract description 17
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000000137 annealing Methods 0.000 claims abstract description 6
- 239000002904 solvent Substances 0.000 claims abstract description 6
- 238000005303 weighing Methods 0.000 claims abstract description 6
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 claims abstract description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 47
- 229910021529 ammonia Inorganic materials 0.000 claims description 24
- 239000003054 catalyst Substances 0.000 claims description 12
- 230000009467 reduction Effects 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 8
- 238000011161 development Methods 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims description 6
- 229910004042 HAuCl4 Inorganic materials 0.000 claims description 6
- 238000009835 boiling Methods 0.000 claims description 6
- 238000002390 rotary evaporation Methods 0.000 claims description 6
- 239000012295 chemical reaction liquid Substances 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000012498 ultrapure water Substances 0.000 claims description 5
- 239000000203 mixture Substances 0.000 claims description 4
- 229960005070 ascorbic acid Drugs 0.000 claims description 3
- 235000010323 ascorbic acid Nutrition 0.000 claims description 3
- 239000011668 ascorbic acid Substances 0.000 claims description 3
- 239000003153 chemical reaction reagent Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229910021642 ultra pure water Inorganic materials 0.000 claims description 3
- 238000001132 ultrasonic dispersion Methods 0.000 claims description 3
- 229910052724 xenon Inorganic materials 0.000 claims description 3
- FHNFHKCVQCLJFQ-UHFFFAOYSA-N xenon atom Chemical compound [Xe] FHNFHKCVQCLJFQ-UHFFFAOYSA-N 0.000 claims description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 2
- 238000001704 evaporation Methods 0.000 claims description 2
- 239000001257 hydrogen Substances 0.000 claims description 2
- 229910052739 hydrogen Inorganic materials 0.000 claims description 2
- 239000010936 titanium Substances 0.000 claims 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims 2
- 239000004408 titanium dioxide Substances 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 15
- 238000001179 sorption measurement Methods 0.000 abstract description 4
- 238000002198 surface plasmon resonance spectroscopy Methods 0.000 abstract description 4
- 239000002131 composite material Substances 0.000 description 18
- 239000010410 layer Substances 0.000 description 13
- 238000004519 manufacturing process Methods 0.000 description 13
- 239000011229 interlayer Substances 0.000 description 9
- 230000008569 process Effects 0.000 description 9
- 238000007146 photocatalysis Methods 0.000 description 7
- 241000282414 Homo sapiens Species 0.000 description 5
- 230000008901 benefit Effects 0.000 description 5
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000001000 micrograph Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 5
- 239000002245 particle Substances 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 238000006243 chemical reaction Methods 0.000 description 4
- 238000009826 distribution Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 239000002077 nanosphere Substances 0.000 description 4
- 238000001878 scanning electron micrograph Methods 0.000 description 4
- 229910009818 Ti3AlC2 Inorganic materials 0.000 description 3
- 239000000969 carrier Substances 0.000 description 3
- 239000013078 crystal Substances 0.000 description 3
- 239000002105 nanoparticle Substances 0.000 description 3
- 239000011941 photocatalyst Substances 0.000 description 3
- 239000000843 powder Substances 0.000 description 3
- 238000011160 research Methods 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000002441 X-ray diffraction Methods 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 239000011324 bead Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000006555 catalytic reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 238000005530 etching Methods 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 239000002135 nanosheet Substances 0.000 description 2
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 2
- 239000004065 semiconductor Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000009620 Haber process Methods 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 239000013064 chemical raw material Substances 0.000 description 1
- 230000000536 complexating effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 238000004146 energy storage Methods 0.000 description 1
- 239000002360 explosive Substances 0.000 description 1
- 239000003337 fertilizer Substances 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000009830 intercalation Methods 0.000 description 1
- 230000002687 intercalation Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 230000031700 light absorption Effects 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 239000002923 metal particle Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 239000002086 nanomaterial Substances 0.000 description 1
- 238000006552 photochemical reaction Methods 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 239000010453 quartz Substances 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012798 spherical particle Substances 0.000 description 1
- 230000004083 survival effect Effects 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
- HRXKRNGNAMMEHJ-UHFFFAOYSA-K trisodium citrate Chemical compound [Na+].[Na+].[Na+].[O-]C(=O)CC(O)(CC([O-])=O)C([O-])=O HRXKRNGNAMMEHJ-UHFFFAOYSA-K 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J27/00—Catalysts comprising the elements or compounds of halogens, sulfur, selenium, tellurium, phosphorus or nitrogen; Catalysts comprising carbon compounds
- B01J27/20—Carbon compounds
- B01J27/22—Carbides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/30—Catalysts, in general, characterised by their form or physical properties characterised by their physical properties
- B01J35/39—Photocatalytic properties
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01C—AMMONIA; CYANOGEN; COMPOUNDS THEREOF
- C01C1/00—Ammonia; Compounds thereof
- C01C1/02—Preparation, purification or separation of ammonia
- C01C1/04—Preparation of ammonia by synthesis in the gas phase
- C01C1/0405—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst
- C01C1/0411—Preparation of ammonia by synthesis in the gas phase from N2 and H2 in presence of a catalyst characterised by the catalyst
-
- 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
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (10)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011138821.3A CN112191259B (zh) | 2020-10-22 | 2020-10-22 | 一种MXene/Au光催化固氮材料、其制备方法及应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011138821.3A CN112191259B (zh) | 2020-10-22 | 2020-10-22 | 一种MXene/Au光催化固氮材料、其制备方法及应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN112191259A true CN112191259A (zh) | 2021-01-08 |
CN112191259B CN112191259B (zh) | 2022-09-16 |
Family
ID=74012361
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202011138821.3A Active CN112191259B (zh) | 2020-10-22 | 2020-10-22 | 一种MXene/Au光催化固氮材料、其制备方法及应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN112191259B (zh) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113499792A (zh) * | 2021-07-08 | 2021-10-15 | 西南科技大学 | 有机物光氧化降解的金掺杂单层Ti3C2Tx MXene的制备及应用 |
CN114672233A (zh) * | 2022-03-15 | 2022-06-28 | 电子科技大学长三角研究院(湖州) | 一种基于MXene@Au杂化物的光热超疏水涂层及其制备方法 |
CN114713839A (zh) * | 2022-05-24 | 2022-07-08 | 黄河科技学院 | 一种金-钌双金属纳米颗粒、其制备方法及应用 |
CN114959344A (zh) * | 2022-06-08 | 2022-08-30 | 郑州大学 | 一种高强度Ti3C2Tx/ZK61镁合金及其制备方法 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105127440A (zh) * | 2015-07-30 | 2015-12-09 | 哈尔滨工业大学 | 一种纳米金颗粒的制备方法 |
CN106475568A (zh) * | 2015-08-28 | 2017-03-08 | 赵世芬 | Au纳米粒子的制备 |
US20170088429A1 (en) * | 2015-09-24 | 2017-03-30 | Samsung Electronics Co., Ltd. | Mxene nanosheet and manufacturing method thereof |
CN107511479A (zh) * | 2017-09-08 | 2017-12-26 | 厦门大学 | 一种超薄壳层隔绝大粒径金纳米粒子的合成方法 |
CN109967104A (zh) * | 2019-03-05 | 2019-07-05 | 华南理工大学 | 纳米Ru修饰的TiO2-Ti3C2光催化剂及制法 |
-
2020
- 2020-10-22 CN CN202011138821.3A patent/CN112191259B/zh active Active
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105127440A (zh) * | 2015-07-30 | 2015-12-09 | 哈尔滨工业大学 | 一种纳米金颗粒的制备方法 |
CN106475568A (zh) * | 2015-08-28 | 2017-03-08 | 赵世芬 | Au纳米粒子的制备 |
US20170088429A1 (en) * | 2015-09-24 | 2017-03-30 | Samsung Electronics Co., Ltd. | Mxene nanosheet and manufacturing method thereof |
CN107511479A (zh) * | 2017-09-08 | 2017-12-26 | 厦门大学 | 一种超薄壳层隔绝大粒径金纳米粒子的合成方法 |
CN109967104A (zh) * | 2019-03-05 | 2019-07-05 | 华南理工大学 | 纳米Ru修饰的TiO2-Ti3C2光催化剂及制法 |
Non-Patent Citations (2)
Title |
---|
DAN LIU等: ""Synergistic Electrocatalytic Nitrogen Reduction Enabled by Confinement of Nanosized Au Particles onto a Two-Dimensional Ti3C2 Substrate"", 《APPLIED MATERIALS AND INTERFACES》 * |
姚素薇等: ""金纳米粒子的特性、制备及应用研究进展"", 《化工进展》 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113499792A (zh) * | 2021-07-08 | 2021-10-15 | 西南科技大学 | 有机物光氧化降解的金掺杂单层Ti3C2Tx MXene的制备及应用 |
CN113499792B (zh) * | 2021-07-08 | 2023-06-09 | 西南科技大学 | 有机物光氧化降解的金掺杂单层Ti3C2Tx MXene的制备及应用 |
CN114672233A (zh) * | 2022-03-15 | 2022-06-28 | 电子科技大学长三角研究院(湖州) | 一种基于MXene@Au杂化物的光热超疏水涂层及其制备方法 |
CN114713839A (zh) * | 2022-05-24 | 2022-07-08 | 黄河科技学院 | 一种金-钌双金属纳米颗粒、其制备方法及应用 |
CN114959344A (zh) * | 2022-06-08 | 2022-08-30 | 郑州大学 | 一种高强度Ti3C2Tx/ZK61镁合金及其制备方法 |
Also Published As
Publication number | Publication date |
---|---|
CN112191259B (zh) | 2022-09-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN112191259B (zh) | 一种MXene/Au光催化固氮材料、其制备方法及应用 | |
Lin et al. | Facile fabrication of novel SiO2/g-C3N4 core–shell nanosphere photocatalysts with enhanced visible light activity | |
Diab et al. | Facile fabrication of NiTiO3/graphene nanocomposites for photocatalytic hydrogen generation | |
Liu et al. | Simultaneous photo catalysis of SiC/Fe3O4 nanoparticles and photo-fermentation of Rhodopseudomonas sp. Nov. Strain A7 for enhancing hydrogen production under visible light irradiation | |
CN109289895B (zh) | 一种多孔网状g-C3N4负载TiO2复合纳米材料的制备方法 | |
CN108671907B (zh) | 一种铂/二氧化钛纳米花复合材料及其制备方法与应用 | |
CN107376967A (zh) | 一种含氮碳量子点/石墨相氮化碳复合光催化剂的制备方法 | |
CN108940332B (zh) | 一种高活性MoS2/g-C3N4/Bi24O31Cl10复合光催化剂的制备方法 | |
CN107837816B (zh) | Fe2O3/g-C3N4复合体系及制备方法和应用 | |
CN112007632B (zh) | 一种花状SnO2/g-C3N4异质结光催化剂的制备方法 | |
CN111437867A (zh) | 一种含钨氧化物的复合光催化剂及其制备方法和应用 | |
CN109731583A (zh) | 一种两步法制备Zn0.2Cd0.8S/rGO复合材料的方法 | |
Liu et al. | Microwave-assisted hydrothermal synthesis of cellulose/ZnO composites and its thermal transformation to ZnO/carbon composites | |
Wang et al. | Enhanced optical absorption and pollutant adsorption for photocatalytic performance of three-dimensional porous cellulose aerogel with BiVO4 and PANI | |
CN110237855A (zh) | 一种可见光响应氧化铁掺杂氮缺陷氮化碳复合材料的制备方法及应用 | |
CN108704660B (zh) | 氮空位修饰的富氧二氧化钛纳米复合材料的制备和应用 | |
CN108579738B (zh) | 一种金纳米颗粒/二氧化钛纳米花复合材料及其制备方法与应用 | |
CN113385210A (zh) | 一种光催化制氢催化剂及其制备方法和应用 | |
Huang et al. | Cooperative enhancement solar hydrogen generation of reformed g-C3N4/TiO2 mesocrystals composites | |
Cao et al. | Construction of nanosized MoP decorated highly crystalline carbon nitride sphere as an excellent photocatalyst for boosted photocatalytic hydrogen production | |
CN109926085A (zh) | 一种非晶/结晶型催化剂的制备方法 | |
Xue et al. | Construction of Cu 2+-doped CeO 2 nanocrystals hierarchical hollow structure and its enhanced photocatalytic performance | |
Souza et al. | Influence of preparation methodology on the photocatalytic activity of nitrogen doped titanate and TiO2 nanotubes | |
CN113697783B (zh) | 一种多孔g-C3N4纳米薄片的制备方法及其应用 | |
US11623210B2 (en) | Method for preparing silicate/carbon composite from attapulgite, and use of silicate/carbon composite |
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 | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right |
Effective date of registration: 20221221 Address after: No. 207-008, Floor 2, Building 1, Zhenghang Science Park, No. 7, South University Road, Erqi District, Zhengzhou City, Henan Province, 450000 Patentee after: Zhengzhou Xiangguniang Intelligent Technology Co.,Ltd. Address before: 450005 No. 94 Hanghai Middle Road, Erqi District, Zhengzhou City, Henan Province Patentee before: HUANGHE S & T College |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20230331 Address after: 450000 94 nautical Middle Road, Zhengzhou, Henan Patentee after: HUANGHE S & T College Address before: No. 207-008, Floor 2, Building 1, Zhenghang Science Park, No. 7, South University Road, Erqi District, Zhengzhou City, Henan Province, 450000 Patentee before: Zhengzhou Xiangguniang Intelligent Technology Co.,Ltd. |
|
TR01 | Transfer of patent right |