CN104141016A - 一种纤维素的光催化自由基降解法 - Google Patents
一种纤维素的光催化自由基降解法 Download PDFInfo
- Publication number
- CN104141016A CN104141016A CN201310173648.4A CN201310173648A CN104141016A CN 104141016 A CN104141016 A CN 104141016A CN 201310173648 A CN201310173648 A CN 201310173648A CN 104141016 A CN104141016 A CN 104141016A
- Authority
- CN
- China
- Prior art keywords
- cellulose
- photocatalytic
- degradation
- degradation method
- raw 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.)
- Granted
Links
- 229920002678 cellulose Polymers 0.000 title claims abstract description 113
- 239000001913 cellulose Substances 0.000 title claims abstract description 113
- 238000006731 degradation reaction Methods 0.000 title claims abstract description 46
- 230000015556 catabolic process Effects 0.000 title claims abstract description 43
- 238000000034 method Methods 0.000 title claims abstract description 32
- 230000001699 photocatalysis Effects 0.000 title claims abstract description 16
- 239000002994 raw material Substances 0.000 claims abstract description 42
- 239000011941 photocatalyst Substances 0.000 claims abstract description 25
- 150000003254 radicals Chemical class 0.000 claims abstract description 25
- 239000007809 chemical reaction catalyst Substances 0.000 claims abstract description 21
- 239000007800 oxidant agent Substances 0.000 claims abstract description 17
- 239000007857 degradation product Substances 0.000 claims abstract description 11
- 230000000593 degrading effect Effects 0.000 claims abstract description 7
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000007864 aqueous solution Substances 0.000 claims abstract description 3
- 238000002791 soaking Methods 0.000 claims abstract description 3
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical group OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims description 62
- 239000002738 chelating agent Substances 0.000 claims description 14
- 230000001590 oxidative effect Effects 0.000 claims description 11
- 238000001782 photodegradation Methods 0.000 claims description 10
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 claims description 7
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical group OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 claims description 2
- 239000011248 coating agent Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000002245 particle Substances 0.000 claims description 2
- 150000002978 peroxides Chemical group 0.000 claims description 2
- PFUVRDFDKPNGAV-UHFFFAOYSA-N sodium peroxide Chemical compound [Na+].[Na+].[O-][O-] PFUVRDFDKPNGAV-UHFFFAOYSA-N 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 abstract description 17
- 239000002253 acid Substances 0.000 abstract description 6
- 229910001448 ferrous ion Inorganic materials 0.000 abstract description 4
- 239000003513 alkali Substances 0.000 abstract description 2
- 238000010438 heat treatment Methods 0.000 abstract description 2
- 239000003960 organic solvent Substances 0.000 abstract description 2
- 235000010980 cellulose Nutrition 0.000 description 96
- 229920000742 Cotton Polymers 0.000 description 21
- 239000000243 solution Substances 0.000 description 17
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 12
- 239000011790 ferrous sulphate Substances 0.000 description 11
- 235000003891 ferrous sulphate Nutrition 0.000 description 11
- BAUYGSIQEAFULO-UHFFFAOYSA-L iron(2+) sulfate (anhydrous) Chemical group [Fe+2].[O-]S([O-])(=O)=O BAUYGSIQEAFULO-UHFFFAOYSA-L 0.000 description 11
- 229910000359 iron(II) sulfate Inorganic materials 0.000 description 11
- 239000004576 sand Substances 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- SOQBVABWOPYFQZ-UHFFFAOYSA-N oxygen(2-);titanium(4+) Chemical compound [O-2].[O-2].[Ti+4] SOQBVABWOPYFQZ-UHFFFAOYSA-N 0.000 description 6
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 description 5
- 239000012153 distilled water Substances 0.000 description 5
- 239000000047 product Substances 0.000 description 5
- 230000005855 radiation Effects 0.000 description 5
- 239000000376 reactant Substances 0.000 description 5
- 239000007787 solid Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- 238000000967 suction filtration Methods 0.000 description 5
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 4
- 239000008103 glucose Substances 0.000 description 4
- -1 hydroxyl radicals Chemical class 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 238000000498 ball milling Methods 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- IRXRGVFLQOSHOH-UHFFFAOYSA-L dipotassium;oxalate Chemical compound [K+].[K+].[O-]C(=O)C([O-])=O IRXRGVFLQOSHOH-UHFFFAOYSA-L 0.000 description 3
- 230000002255 enzymatic effect Effects 0.000 description 3
- 239000002861 polymer material Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- NOEGNKMFWQHSLB-UHFFFAOYSA-N 5-hydroxymethylfurfural Chemical compound OCC1=CC=C(C=O)O1 NOEGNKMFWQHSLB-UHFFFAOYSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 108010059892 Cellulase Proteins 0.000 description 2
- RGHNJXZEOKUKBD-SQOUGZDYSA-N D-gluconic acid Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O RGHNJXZEOKUKBD-SQOUGZDYSA-N 0.000 description 2
- 229930091371 Fructose Natural products 0.000 description 2
- 239000005715 Fructose Substances 0.000 description 2
- RFSUNEUAIZKAJO-ARQDHWQXSA-N Fructose Chemical compound OC[C@H]1O[C@](O)(CO)[C@@H](O)[C@@H]1O RFSUNEUAIZKAJO-ARQDHWQXSA-N 0.000 description 2
- 241000233866 Fungi Species 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 description 2
- 238000005903 acid hydrolysis reaction Methods 0.000 description 2
- WQZGKKKJIJFFOK-VFUOTHLCSA-N beta-D-glucose Chemical compound OC[C@H]1O[C@@H](O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-VFUOTHLCSA-N 0.000 description 2
- 125000002843 carboxylic acid group Chemical group 0.000 description 2
- 229940106157 cellulase Drugs 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000007062 hydrolysis Effects 0.000 description 2
- 238000006460 hydrolysis reaction Methods 0.000 description 2
- RJGBSYZFOCAGQY-UHFFFAOYSA-N hydroxymethylfurfural Natural products COC1=CC=C(C=O)O1 RJGBSYZFOCAGQY-UHFFFAOYSA-N 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 244000005700 microbiome Species 0.000 description 2
- 150000007522 mineralic acids Chemical group 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 150000007524 organic acids Chemical class 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 229920000642 polymer Polymers 0.000 description 2
- 239000004408 titanium dioxide Substances 0.000 description 2
- 239000002028 Biomass Substances 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 241000195493 Cryptophyta Species 0.000 description 1
- DSLZVSRJTYRBFB-LLEIAEIESA-N D-glucaric acid Chemical compound OC(=O)[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C(O)=O DSLZVSRJTYRBFB-LLEIAEIESA-N 0.000 description 1
- RGHNJXZEOKUKBD-UHFFFAOYSA-N D-gluconic acid Natural products OCC(O)C(O)C(O)C(O)C(O)=O RGHNJXZEOKUKBD-UHFFFAOYSA-N 0.000 description 1
- 125000003535 D-glucopyranosyl group Chemical group [H]OC([H])([H])[C@@]1([H])OC([H])(*)[C@]([H])(O[H])[C@@]([H])(O[H])[C@]1([H])O[H] 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- PWHULOQIROXLJO-UHFFFAOYSA-N Manganese Chemical compound [Mn] PWHULOQIROXLJO-UHFFFAOYSA-N 0.000 description 1
- 229920000168 Microcrystalline cellulose Polymers 0.000 description 1
- 229920000881 Modified starch Polymers 0.000 description 1
- 239000004368 Modified starch Substances 0.000 description 1
- 230000032900 absorption of visible light Effects 0.000 description 1
- 238000005842 biochemical reaction Methods 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910001424 calcium ion Inorganic materials 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000007071 enzymatic hydrolysis Effects 0.000 description 1
- 238000006047 enzymatic hydrolysis reaction Methods 0.000 description 1
- 229940088598 enzyme Drugs 0.000 description 1
- 229960002089 ferrous chloride Drugs 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- DNXDYHALMANNEJ-UHFFFAOYSA-N furan-2,3-dicarboxylic acid Chemical compound OC(=O)C=1C=COC=1C(O)=O DNXDYHALMANNEJ-UHFFFAOYSA-N 0.000 description 1
- 239000000174 gluconic acid Substances 0.000 description 1
- 235000012208 gluconic acid Nutrition 0.000 description 1
- 125000002791 glucosyl group Chemical group C1([C@H](O)[C@@H](O)[C@H](O)[C@H](O1)CO)* 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- 229940056932 lead sulfide Drugs 0.000 description 1
- 229910052981 lead sulfide Inorganic materials 0.000 description 1
- 229910052748 manganese Inorganic materials 0.000 description 1
- 239000011572 manganese Substances 0.000 description 1
- 230000000813 microbial effect Effects 0.000 description 1
- 235000019813 microcrystalline cellulose Nutrition 0.000 description 1
- 239000008108 microcrystalline cellulose Substances 0.000 description 1
- 229940016286 microcrystalline cellulose Drugs 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 235000019426 modified starch Nutrition 0.000 description 1
- 229920005615 natural polymer Polymers 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 235000001968 nicotinic acid Nutrition 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 230000008634 non enzymatic mechanism Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 150000003891 oxalate salts Chemical group 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 238000010979 pH adjustment Methods 0.000 description 1
- 239000003209 petroleum derivative Substances 0.000 description 1
- 238000010672 photosynthesis Methods 0.000 description 1
- 230000029553 photosynthesis Effects 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 238000006116 polymerization reaction Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000004065 semiconductor Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 239000011973 solid acid Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 125000000542 sulfonic acid group Chemical group 0.000 description 1
- 229920001059 synthetic polymer Polymers 0.000 description 1
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 description 1
- 229910001887 tin oxide Inorganic materials 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
- 238000004065 wastewater treatment Methods 0.000 description 1
- 239000011787 zinc oxide Substances 0.000 description 1
Landscapes
- Polysaccharides And Polysaccharide Derivatives (AREA)
- Catalysts (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310173648.4A CN104141016B (zh) | 2013-05-09 | 2013-05-09 | 一种纤维素的光催化自由基降解法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201310173648.4A CN104141016B (zh) | 2013-05-09 | 2013-05-09 | 一种纤维素的光催化自由基降解法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN104141016A true CN104141016A (zh) | 2014-11-12 |
CN104141016B CN104141016B (zh) | 2016-04-13 |
Family
ID=51850356
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201310173648.4A Active CN104141016B (zh) | 2013-05-09 | 2013-05-09 | 一种纤维素的光催化自由基降解法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN104141016B (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106824992A (zh) * | 2017-02-13 | 2017-06-13 | 广东工业大学 | 一种降解水生植物的方法 |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101792495A (zh) * | 2010-02-11 | 2010-08-04 | 浙江理工大学 | 从植物秸秆超声催化提取半纤维素、纤维素和木质素的方法 |
CN102671706A (zh) * | 2012-05-22 | 2012-09-19 | 陕西海安实业有限责任公司 | 一种高效类芬顿体系催化剂及其制备方法 |
CN103382512A (zh) * | 2013-07-16 | 2013-11-06 | 中国科学院宁波材料技术与工程研究所 | 一种微波加热水解纤维素制备葡萄糖的方法 |
-
2013
- 2013-05-09 CN CN201310173648.4A patent/CN104141016B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101792495A (zh) * | 2010-02-11 | 2010-08-04 | 浙江理工大学 | 从植物秸秆超声催化提取半纤维素、纤维素和木质素的方法 |
CN102671706A (zh) * | 2012-05-22 | 2012-09-19 | 陕西海安实业有限责任公司 | 一种高效类芬顿体系催化剂及其制备方法 |
CN103382512A (zh) * | 2013-07-16 | 2013-11-06 | 中国科学院宁波材料技术与工程研究所 | 一种微波加热水解纤维素制备葡萄糖的方法 |
Non-Patent Citations (1)
Title |
---|
范红显: "光催化降解纤维素的研究", 《中国优秀硕士学位论文全文数据库 工程科技I辑》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN106824992A (zh) * | 2017-02-13 | 2017-06-13 | 广东工业大学 | 一种降解水生植物的方法 |
Also Published As
Publication number | Publication date |
---|---|
CN104141016B (zh) | 2016-04-13 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
Cao et al. | Research and progress of chemical depolymerization of waste PET and high-value application of its depolymerization products | |
Zhou et al. | Depolymerization of cellulose to glucose by oxidation–hydrolysis | |
Kashparova et al. | Furan monomers and polymers from renewable plant biomass | |
Li et al. | A sustainable approach for lignin valorization by heterogeneous photocatalysis | |
Sun et al. | Pretreatment by NaOH swelling and then HCl regeneration to enhance the acid hydrolysis of cellulose to glucose | |
CN104624243B (zh) | 一种纳米二氧化钛/丝瓜络复合光催化剂的制备方法 | |
Chen et al. | Recent advances in photocatalytic transformation of carbohydrates into valuable platform chemicals | |
CN113058655A (zh) | 一种BiOCl/Fe-MOFs复合催化材料的制备方法及应用 | |
Sun et al. | Catalyst design and structure control for photocatalytic refineries of cellulosic biomass to fuels and chemicals | |
Fu et al. | Synthesis and application of wetland plant-based functional materials for aqueous antibiotics removal | |
Miao et al. | Enhanced photocatalytic hydrogen production from poly (vinyl alcohol) plastic-dissolved wastewater | |
Zhu et al. | Enhanced conversion of corncob into furfurylamine via chemoenzymatic cascade catalysis in a toluene–water medium | |
CN101974109B (zh) | 一种马来酰化半纤维素的制备方法 | |
CN104141016B (zh) | 一种纤维素的光催化自由基降解法 | |
CN110038488A (zh) | 一种利用有机固体废弃物产氢的方法 | |
CN106086084A (zh) | 一种秸秆生产乙醇的预处理方法和应用 | |
CN108083860A (zh) | 一种活化褐煤的方法 | |
CN109126835A (zh) | 光催化剂La3+/BiOI及降解双酚AF的方法 | |
CN101947452B (zh) | Co/TiO2纳米管阵列的制备方法及应用于制糖废水的降解 | |
CN113231095A (zh) | 一种氮化碳异质结光催化剂及其制备方法和应用 | |
Yang et al. | Base activation of persulfate: an effective pretreatment method to enhance glucose production from lignocellulosic biomass | |
Ranganathan et al. | Disintegration of lignocellulosic material through visible light SiO2/g-C3N4 photocatalyst for biogas generation | |
CN107987283A (zh) | 一种光催化剂活化褐煤提取黄腐酸盐的方法 | |
CN103224537A (zh) | 一种利用Fenton反应降解煤的方法 | |
Liu et al. | Solar-Driven Photothermal Catalytic Lignocellulosic Biomass-to-H2 Conversion |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | 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: 20220908 Address after: 11-2-11, No. 1, Building 1, East District, Ningbo New Material Innovation Center, High-tech Zone, Ningbo City, Zhejiang Province, 315040 Patentee after: Ningbo Guanchen Biotechnology Co.,Ltd. Address before: 315201, No. 519, Zhuang Avenue, Zhenhai District, Zhejiang, Ningbo Patentee before: NINGBO INSTITUTE OF MATERIALS TECHNOLOGY & ENGINEERING, CHINESE ACADEMY OF SCIENCES |
|
CP03 | Change of name, title or address | ||
CP03 | Change of name, title or address |
Address after: Building 202-37, Chenxi Beauty Industry Park, Daixi Town, Wuxing District, Huzhou City, Zhejiang Province, 313023 Patentee after: Huzhou Guanchen Biotechnology Co.,Ltd. Country or region after: China Address before: 11-2-11, No. 1, Building 1, East District, Ningbo New Material Innovation Center, High-tech Zone, Ningbo City, Zhejiang Province, 315040 Patentee before: Ningbo Guanchen Biotechnology Co.,Ltd. Country or region before: China |