CN105194726B - 水化硅酸钙凝胶复合钛合金材料及其制备方法和应用 - Google Patents
水化硅酸钙凝胶复合钛合金材料及其制备方法和应用 Download PDFInfo
- Publication number
- CN105194726B CN105194726B CN201510585239.4A CN201510585239A CN105194726B CN 105194726 B CN105194726 B CN 105194726B CN 201510585239 A CN201510585239 A CN 201510585239A CN 105194726 B CN105194726 B CN 105194726B
- Authority
- CN
- China
- Prior art keywords
- titanium alloy
- calcium silicate
- hydrated calcium
- compound
- alloy material
- 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.)
- Active
Links
- 229910001069 Ti alloy Inorganic materials 0.000 title claims abstract description 93
- 229910052918 calcium silicate Inorganic materials 0.000 title claims abstract description 54
- 239000000378 calcium silicate Substances 0.000 title claims abstract description 54
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 239000000956 alloy Substances 0.000 title claims abstract description 40
- 150000001875 compounds Chemical class 0.000 title claims abstract description 35
- 238000002360 preparation method Methods 0.000 title claims abstract description 14
- 239000011575 calcium Substances 0.000 claims abstract description 15
- 238000012545 processing Methods 0.000 claims abstract description 13
- 238000006243 chemical reaction Methods 0.000 claims abstract description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 27
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 22
- 239000010936 titanium Substances 0.000 claims description 21
- 229910052719 titanium Inorganic materials 0.000 claims description 12
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 claims description 11
- BOTDANWDWHJENH-UHFFFAOYSA-N Tetraethyl orthosilicate Chemical compound CCO[Si](OCC)(OCC)OCC BOTDANWDWHJENH-UHFFFAOYSA-N 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Chemical compound O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 10
- 239000011259 mixed solution Substances 0.000 claims description 9
- 238000001027 hydrothermal synthesis Methods 0.000 claims description 8
- 229910001868 water Inorganic materials 0.000 claims description 8
- 239000001110 calcium chloride Substances 0.000 claims description 6
- 229910001628 calcium chloride Inorganic materials 0.000 claims description 6
- 229910045601 alloy Inorganic materials 0.000 claims description 5
- 239000008367 deionised water Substances 0.000 claims description 5
- 229910021641 deionized water Inorganic materials 0.000 claims description 5
- 238000001035 drying Methods 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 239000012670 alkaline solution Substances 0.000 claims description 4
- 230000033228 biological regulation Effects 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 238000007789 sealing Methods 0.000 claims description 4
- 238000011049 filling Methods 0.000 claims description 3
- 229910001182 Mo alloy Inorganic materials 0.000 claims description 2
- 229910004337 Ti-Ni Inorganic materials 0.000 claims description 2
- 229910011209 Ti—Ni Inorganic materials 0.000 claims description 2
- 229910000756 V alloy Inorganic materials 0.000 claims description 2
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 claims description 2
- 239000010931 gold Substances 0.000 claims description 2
- 229910052737 gold Inorganic materials 0.000 claims description 2
- KHYBPSFKEHXSLX-UHFFFAOYSA-N iminotitanium Chemical compound [Ti]=N KHYBPSFKEHXSLX-UHFFFAOYSA-N 0.000 claims description 2
- 239000000203 mixture Substances 0.000 claims description 2
- 230000035484 reaction time Effects 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 37
- 210000000988 bone and bone Anatomy 0.000 abstract description 32
- 239000002131 composite material Substances 0.000 abstract description 10
- 229910052791 calcium Inorganic materials 0.000 abstract description 8
- 238000002513 implantation Methods 0.000 abstract description 8
- 210000001519 tissue Anatomy 0.000 abstract description 8
- 229910052710 silicon Inorganic materials 0.000 abstract description 7
- -1 silicon ion Chemical class 0.000 abstract description 7
- 230000007547 defect Effects 0.000 abstract description 6
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 abstract description 5
- 230000008439 repair process Effects 0.000 abstract description 5
- 239000010703 silicon Substances 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 230000008468 bone growth Effects 0.000 abstract description 2
- 210000002391 femur head Anatomy 0.000 abstract description 2
- 230000004927 fusion Effects 0.000 abstract description 2
- 230000017074 necrotic cell death Effects 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005728 strengthening Methods 0.000 abstract description 2
- 239000000499 gel Substances 0.000 description 46
- 229910000883 Ti6Al4V Inorganic materials 0.000 description 19
- 238000000034 method Methods 0.000 description 12
- 239000007943 implant Substances 0.000 description 8
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 8
- 239000004810 polytetrafluoroethylene Substances 0.000 description 8
- 230000008901 benefit Effects 0.000 description 7
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 6
- 235000019441 ethanol Nutrition 0.000 description 6
- 239000002585 base Substances 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 239000002994 raw material Substances 0.000 description 5
- 238000011069 regeneration method Methods 0.000 description 5
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 4
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 230000005284 excitation Effects 0.000 description 4
- 230000012010 growth Effects 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 239000011777 magnesium Substances 0.000 description 4
- 229910052749 magnesium Inorganic materials 0.000 description 4
- 239000007769 metal material Substances 0.000 description 4
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 230000003647 oxidation Effects 0.000 description 4
- VSIIXMUUUJUKCM-UHFFFAOYSA-D pentacalcium;fluoride;triphosphate Chemical compound [F-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O VSIIXMUUUJUKCM-UHFFFAOYSA-D 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- LIVNPJMFVYWSIS-UHFFFAOYSA-N silicon monoxide Inorganic materials [Si-]#[O+] LIVNPJMFVYWSIS-UHFFFAOYSA-N 0.000 description 4
- 229910052586 apatite Inorganic materials 0.000 description 3
- 239000012620 biological material Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 210000004027 cell Anatomy 0.000 description 3
- 230000004069 differentiation Effects 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 229910052588 hydroxylapatite Inorganic materials 0.000 description 3
- XYJRXVWERLGGKC-UHFFFAOYSA-D pentacalcium;hydroxide;triphosphate Chemical compound [OH-].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[Ca+2].[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O.[O-]P([O-])([O-])=O XYJRXVWERLGGKC-UHFFFAOYSA-D 0.000 description 3
- 230000006798 recombination Effects 0.000 description 3
- 238000005215 recombination Methods 0.000 description 3
- 239000000523 sample Substances 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 229910001040 Beta-titanium Inorganic materials 0.000 description 2
- 229920001661 Chitosan Polymers 0.000 description 2
- 238000005033 Fourier transform infrared spectroscopy Methods 0.000 description 2
- 108010010803 Gelatin Proteins 0.000 description 2
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 2
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 2
- 201000010814 Synostosis Diseases 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 2
- 239000002639 bone cement Substances 0.000 description 2
- 230000010478 bone regeneration Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 239000011248 coating agent Substances 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- BCAARMUWIRURQS-UHFFFAOYSA-N dicalcium;oxocalcium;silicate Chemical compound [Ca+2].[Ca+2].[Ca]=O.[O-][Si]([O-])([O-])[O-] BCAARMUWIRURQS-UHFFFAOYSA-N 0.000 description 2
- 239000008273 gelatin Substances 0.000 description 2
- 229920000159 gelatin Polymers 0.000 description 2
- 235000019322 gelatine Nutrition 0.000 description 2
- 235000011852 gelatine desserts Nutrition 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- 230000036571 hydration Effects 0.000 description 2
- 238000006703 hydration reaction Methods 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000005543 nano-size silicon particle Substances 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 229910021534 tricalcium silicate Inorganic materials 0.000 description 2
- 235000019976 tricalcium silicate Nutrition 0.000 description 2
- 208000035143 Bacterial infection Diseases 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- 102000012422 Collagen Type I Human genes 0.000 description 1
- 108010022452 Collagen Type I Proteins 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 208000037408 Device failure Diseases 0.000 description 1
- 206010017076 Fracture Diseases 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 1
- 229910018557 Si O Inorganic materials 0.000 description 1
- 229910002808 Si–O–Si Inorganic materials 0.000 description 1
- 238000005299 abrasion Methods 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 230000002924 anti-infective effect Effects 0.000 description 1
- 208000022362 bacterial infectious disease Diseases 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008827 biological function Effects 0.000 description 1
- 210000002449 bone cell Anatomy 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- OSMSIOKMMFKNIL-UHFFFAOYSA-N calcium;silicon Chemical compound [Ca]=[Si] OSMSIOKMMFKNIL-UHFFFAOYSA-N 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 230000024245 cell differentiation Effects 0.000 description 1
- 230000004663 cell proliferation Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- IUYOGGFTLHZHEG-UHFFFAOYSA-N copper titanium Chemical compound [Ti].[Cu] IUYOGGFTLHZHEG-UHFFFAOYSA-N 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002316 cosmetic surgery Methods 0.000 description 1
- 230000003013 cytotoxicity Effects 0.000 description 1
- 231100000135 cytotoxicity Toxicity 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003792 electrolyte Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910052587 fluorapatite Inorganic materials 0.000 description 1
- 229940077441 fluorapatite Drugs 0.000 description 1
- 125000000524 functional group Chemical group 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 210000003709 heart valve Anatomy 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 description 1
- 150000004679 hydroxides Chemical class 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000010348 incorporation Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 238000011031 large-scale manufacturing process Methods 0.000 description 1
- 229910001425 magnesium ion Inorganic materials 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004060 metabolic process Effects 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 210000000963 osteoblast Anatomy 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 150000003016 phosphoric acids Chemical class 0.000 description 1
- 238000007745 plasma electrolytic oxidation reaction Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 210000001082 somatic cell Anatomy 0.000 description 1
- 238000004528 spin coating Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 210000000130 stem cell Anatomy 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Landscapes
- Materials For Medical Uses (AREA)
- Dental Preparations (AREA)
Abstract
Description
Claims (7)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510585239.4A CN105194726B (zh) | 2015-09-15 | 2015-09-15 | 水化硅酸钙凝胶复合钛合金材料及其制备方法和应用 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201510585239.4A CN105194726B (zh) | 2015-09-15 | 2015-09-15 | 水化硅酸钙凝胶复合钛合金材料及其制备方法和应用 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN105194726A CN105194726A (zh) | 2015-12-30 |
CN105194726B true CN105194726B (zh) | 2018-01-16 |
Family
ID=54942898
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201510585239.4A Active CN105194726B (zh) | 2015-09-15 | 2015-09-15 | 水化硅酸钙凝胶复合钛合金材料及其制备方法和应用 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN105194726B (zh) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2514734B2 (ja) * | 1990-02-09 | 1996-07-10 | 秩父小野田株式会社 | 高強度珪酸カルシウム成形体及びその製造方法 |
CN1116240C (zh) * | 1998-04-16 | 2003-07-30 | 郝立平 | 人工合成的水泥、混凝土掺合料的制造方法 |
CN103979945B (zh) * | 2014-05-30 | 2015-10-21 | 山东大学 | 一种生物活性硅灰石陶瓷的制备方法 |
CN104099654A (zh) * | 2014-07-24 | 2014-10-15 | 西安交通大学 | 一种多孔硅酸钙生物活性涂层的制备方法 |
-
2015
- 2015-09-15 CN CN201510585239.4A patent/CN105194726B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
CN105194726A (zh) | 2015-12-30 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102146577B (zh) | 一种纯钛金属表面微弧氧化处理电解液及其抗菌性生物活性涂层制备方法 | |
Rivera-Muñoz | Hydroxyapatite-based materials: synthesis and characterization | |
CN104947097B (zh) | 一种纯钛表面磷酸氢钙微纳米纤维转化膜的制备方法 | |
CN105274603B (zh) | 镁或镁合金表面含碳纳米管的复合改性涂层及其制备方法 | |
CN101773413A (zh) | 一种钛牙种植体的制备方法 | |
CN101054708A (zh) | 等离子微弧氧化法制备羟基磷灰石生物陶瓷膜的方法 | |
Qiao et al. | Composite coatings of lanthanum-doped fluor-hydroxyapatite and a layer of strontium titanate nanotubes: fabrication, bio-corrosion resistance, cytocompatibility and osteogenic differentiation | |
CN100430099C (zh) | 一种钛或钛合金表面生物活性涂层及其制备方法 | |
CN112076348B (zh) | 一种医用金属表面抗感染-促进骨整合的涂层、制备方法及应用 | |
SE0900560A1 (sv) | Jonsubstituerade hydroxiapatitytbeläggningar | |
CN109680266A (zh) | 一种在钛合金表面制备钽原子掺杂的生物活性陶瓷涂层及其制备方法 | |
CN105536062A (zh) | 一种掺硅羟基磷灰石纳米纤维生物活性涂层的制备方法 | |
CN102113918A (zh) | 一种在纯钛牙种植体表面制备多孔结构的方法 | |
CN107129157A (zh) | 一种三维多孔生物活性玻璃的制备方法 | |
Harding et al. | Bioinspired deposition-conversion synthesis of tunable calcium phosphate coatings on polymeric hydrogels | |
CN106435690B (zh) | 一种钛合金含锶生物涂层的微弧氧化溶液及其应用 | |
CN101949046B (zh) | 一种碳酸根型羟基磷灰石/碳纳米管复合涂层材料的制备方法 | |
CN101565824A (zh) | 紫外光照射提高钛及其合金表面生物活性的方法 | |
Li et al. | Preparation, corrosion behavior and biocompatibility of MgFe-layered double hydroxides and calcium hydroxyapatite composite films on 316L stainless steel | |
CN105194726B (zh) | 水化硅酸钙凝胶复合钛合金材料及其制备方法和应用 | |
CN115671392B (zh) | 一种牢固的具有成骨活性涂层的人工骨材料及其制备方法与应用 | |
CN105420786A (zh) | 一种钛表面纳米硅钛酸钠/二氧化钛生物涂层的制备方法 | |
CN114404652B (zh) | 一种在医用镁合金表面制备壳聚糖中间层的方法 | |
CN110013565A (zh) | 一种钛合金表面生物压电涂层的制备方法 | |
CN108517515A (zh) | 利用一步水热法制备镁合金表面锌掺杂钙磷涂层的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
GR01 | Patent grant | ||
GR01 | Patent grant | ||
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240115 Address after: 038500 Xigou Village, Anrong Township, Shanyin County, Shuozhou City, Shanxi Province Patentee after: SHANXI YUZHU NEW MATERIAL TECHNOLOGY CO.,LTD. Address before: Room 1206, Building 3, Jueshishan Community, Commercial North Street, Dingzhou City, Baoding City, Hebei Province, 073000 Patentee before: Hebei Jinmai Information Technology Co.,Ltd. Effective date of registration: 20240115 Address after: Room 1206, Building 3, Jueshishan Community, Commercial North Street, Dingzhou City, Baoding City, Hebei Province, 073000 Patentee after: Hebei Jinmai Information Technology Co.,Ltd. Address before: No.99, Hongjing Avenue, Jiangning District, Nanjing City, Jiangsu Province Patentee before: JINLING INSTITUTE OF TECHNOLOGY |