CN108383958B - 一种低成本聚羧酸保坍剂的制备方法 - Google Patents
一种低成本聚羧酸保坍剂的制备方法 Download PDFInfo
- Publication number
- CN108383958B CN108383958B CN201810169106.2A CN201810169106A CN108383958B CN 108383958 B CN108383958 B CN 108383958B CN 201810169106 A CN201810169106 A CN 201810169106A CN 108383958 B CN108383958 B CN 108383958B
- Authority
- CN
- China
- Prior art keywords
- parts
- retaining agent
- slump retaining
- low
- water
- 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
- 238000002360 preparation method Methods 0.000 title claims abstract description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 66
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 57
- MHAJPDPJQMAIIY-UHFFFAOYSA-N Hydrogen peroxide Chemical compound OO MHAJPDPJQMAIIY-UHFFFAOYSA-N 0.000 claims abstract description 48
- 239000000178 monomer Substances 0.000 claims abstract description 40
- 239000003999 initiator Substances 0.000 claims abstract description 37
- 239000002253 acid Substances 0.000 claims abstract description 34
- 238000006243 chemical reaction Methods 0.000 claims abstract description 28
- 239000004721 Polyphenylene oxide Substances 0.000 claims abstract description 27
- 229920000570 polyether Polymers 0.000 claims abstract description 27
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims abstract description 22
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims abstract description 22
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims abstract description 22
- CIWBSHSKHKDKBQ-JLAZNSOCSA-N Ascorbic acid Chemical compound OC[C@H](O)[C@H]1OC(=O)C(O)=C1O CIWBSHSKHKDKBQ-JLAZNSOCSA-N 0.000 claims abstract description 20
- 238000003756 stirring Methods 0.000 claims abstract description 20
- CWERGRDVMFNCDR-UHFFFAOYSA-N thioglycolic acid Chemical compound OC(=O)CS CWERGRDVMFNCDR-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000007788 liquid Substances 0.000 claims abstract description 16
- 239000003513 alkali Substances 0.000 claims abstract description 12
- ZZZCUOFIHGPKAK-UHFFFAOYSA-N D-erythro-ascorbic acid Natural products OCC1OC(=O)C(O)=C1O ZZZCUOFIHGPKAK-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229930003268 Vitamin C Natural products 0.000 claims abstract description 10
- 229920006320 anionic starch Polymers 0.000 claims abstract description 10
- 235000019154 vitamin C Nutrition 0.000 claims abstract description 10
- 239000011718 vitamin C Substances 0.000 claims abstract description 10
- KOUDKOMXLMXFKX-UHFFFAOYSA-N sodium oxido(oxo)phosphanium hydrate Chemical compound O.[Na+].[O-][PH+]=O KOUDKOMXLMXFKX-UHFFFAOYSA-N 0.000 claims abstract description 9
- 125000005250 alkyl acrylate group Chemical group 0.000 claims abstract description 8
- 229920002472 Starch Polymers 0.000 claims description 44
- 235000019698 starch Nutrition 0.000 claims description 44
- 239000008107 starch Substances 0.000 claims description 44
- 125000002057 carboxymethyl group Chemical group [H]OC(=O)C([H])([H])[*] 0.000 claims description 28
- 229920000056 polyoxyethylene ether Polymers 0.000 claims description 24
- 229940051841 polyoxyethylene ether Drugs 0.000 claims description 24
- 238000006467 substitution reaction Methods 0.000 claims description 12
- 238000000034 method Methods 0.000 claims description 11
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 claims description 8
- UZKWTJUDCOPSNM-UHFFFAOYSA-N 1-ethenoxybutane Chemical compound CCCCOC=C UZKWTJUDCOPSNM-UHFFFAOYSA-N 0.000 claims description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- OMIGHNLMNHATMP-UHFFFAOYSA-N 2-hydroxyethyl prop-2-enoate Chemical compound OCCOC(=O)C=C OMIGHNLMNHATMP-UHFFFAOYSA-N 0.000 claims description 5
- QZPSOSOOLFHYRR-UHFFFAOYSA-N 3-hydroxypropyl prop-2-enoate Chemical compound OCCCOC(=O)C=C QZPSOSOOLFHYRR-UHFFFAOYSA-N 0.000 claims description 5
- 239000003518 caustics Substances 0.000 claims description 4
- PHTQWCKDNZKARW-UHFFFAOYSA-N isoamylol Chemical compound CC(C)CCO PHTQWCKDNZKARW-UHFFFAOYSA-N 0.000 claims description 2
- 239000012528 membrane Substances 0.000 claims description 2
- 239000000243 solution Substances 0.000 description 49
- 239000003638 chemical reducing agent Substances 0.000 description 19
- 239000000126 substance Substances 0.000 description 13
- 239000004568 cement Substances 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- 239000004567 concrete Substances 0.000 description 10
- 229920000881 Modified starch Polymers 0.000 description 9
- 239000004368 Modified starch Substances 0.000 description 9
- 235000019426 modified starch Nutrition 0.000 description 9
- 230000000694 effects Effects 0.000 description 8
- 239000002994 raw material Substances 0.000 description 8
- 230000015572 biosynthetic process Effects 0.000 description 6
- 239000000463 material Substances 0.000 description 6
- 238000003786 synthesis reaction Methods 0.000 description 6
- 230000018109 developmental process Effects 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 5
- 230000009257 reactivity Effects 0.000 description 5
- 239000012670 alkaline solution Substances 0.000 description 4
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 4
- 238000007334 copolymerization reaction Methods 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- 230000036571 hydration Effects 0.000 description 3
- 238000006703 hydration reaction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- 239000002904 solvent Substances 0.000 description 3
- HVBSAKJJOYLTQU-UHFFFAOYSA-N 4-aminobenzenesulfonic acid Chemical compound NC1=CC=C(S(O)(=O)=O)C=C1 HVBSAKJJOYLTQU-UHFFFAOYSA-N 0.000 description 2
- IRLPACMLTUPBCL-KQYNXXCUSA-N 5'-adenylyl sulfate Chemical compound C1=NC=2C(N)=NC=NC=2N1[C@@H]1O[C@H](COP(O)(=O)OS(O)(=O)=O)[C@@H](O)[C@H]1O IRLPACMLTUPBCL-KQYNXXCUSA-N 0.000 description 2
- 239000004594 Masterbatch (MB) Substances 0.000 description 2
- UFWIBTONFRDIAS-UHFFFAOYSA-N Naphthalene Chemical compound C1=CC=CC2=CC=CC=C21 UFWIBTONFRDIAS-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000002156 adsorbate Substances 0.000 description 2
- -1 aliphatic hydroxyl ester Chemical class 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 2
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 2
- 230000009920 chelation Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 125000004185 ester group Chemical group 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- 238000005189 flocculation Methods 0.000 description 2
- 230000016615 flocculation Effects 0.000 description 2
- LEQAOMBKQFMDFZ-UHFFFAOYSA-N glyoxal Chemical compound O=CC=O LEQAOMBKQFMDFZ-UHFFFAOYSA-N 0.000 description 2
- 239000004574 high-performance concrete Substances 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 229920000447 polyanionic polymer Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 238000001179 sorption measurement Methods 0.000 description 2
- 239000004382 Amylase Substances 0.000 description 1
- 102000013142 Amylases Human genes 0.000 description 1
- 108010065511 Amylases Proteins 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- IAYPIBMASNFSPL-UHFFFAOYSA-N Ethylene oxide Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- KVCWSJZUKMSPLM-UHFFFAOYSA-N O.O[PH2]=O Chemical compound O.O[PH2]=O KVCWSJZUKMSPLM-UHFFFAOYSA-N 0.000 description 1
- AQLLBJAXUCIJSR-UHFFFAOYSA-N OC(=O)C[Na] Chemical class OC(=O)C[Na] AQLLBJAXUCIJSR-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000003929 acidic solution Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 235000019418 amylase Nutrition 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 125000000129 anionic group Chemical group 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 150000007942 carboxylates Chemical class 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 229910001653 ettringite Inorganic materials 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229940015043 glyoxal Drugs 0.000 description 1
- 238000000265 homogenisation Methods 0.000 description 1
- 230000002209 hydrophobic effect Effects 0.000 description 1
- TWNIBLMWSKIRAT-VFUOTHLCSA-N levoglucosan Chemical group O[C@@H]1[C@@H](O)[C@H](O)[C@H]2CO[C@@H]1O2 TWNIBLMWSKIRAT-VFUOTHLCSA-N 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- FPYJFEHAWHCUMM-UHFFFAOYSA-N maleic anhydride Chemical compound O=C1OC(=O)C=C1 FPYJFEHAWHCUMM-UHFFFAOYSA-N 0.000 description 1
- 230000010198 maturation time Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 229910021645 metal ion Inorganic materials 0.000 description 1
- 239000011259 mixed solution Substances 0.000 description 1
- 239000010413 mother solution Substances 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- 231100000956 nontoxicity Toxicity 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 229920005646 polycarboxylate Polymers 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 239000000377 silicon dioxide Substances 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 229950000244 sulfanilic acid Drugs 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 239000008030 superplasticizer Substances 0.000 description 1
- 238000013268 sustained release Methods 0.000 description 1
- 239000012730 sustained-release form Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
- C08F283/06—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals
- C08F283/065—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polyethers, polyoxymethylenes or polyacetals on to unsaturated polyethers, polyoxymethylenes or polyacetals
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B24/00—Use of organic materials as active ingredients for mortars, concrete or artificial stone, e.g. plasticisers
- C04B24/24—Macromolecular compounds
- C04B24/26—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B24/2688—Copolymers containing at least three different monomers
- C04B24/2694—Copolymers containing at least three different monomers containing polyether side chains
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F251/00—Macromolecular compounds obtained by polymerising monomers on to polysaccharides or derivatives thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
Description
保坍剂种类 | 初始流动性mm | 1h流动性mm | 2h流动性mm |
普通减水剂 | - | 220 | 185 |
实施例1 | - | 210 | 190 |
实施例2 | - | 225 | 185 |
实施例3 | 170 | 220 | 200 |
实施例4 | 120 | 230 | 170 |
实施例5 | - | 210 | 190 |
实施例6 | 150 | 220 | 180 |
Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810169106.2A CN108383958B (zh) | 2018-02-28 | 2018-02-28 | 一种低成本聚羧酸保坍剂的制备方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201810169106.2A CN108383958B (zh) | 2018-02-28 | 2018-02-28 | 一种低成本聚羧酸保坍剂的制备方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN108383958A CN108383958A (zh) | 2018-08-10 |
CN108383958B true CN108383958B (zh) | 2020-11-03 |
Family
ID=63069185
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201810169106.2A Active CN108383958B (zh) | 2018-02-28 | 2018-02-28 | 一种低成本聚羧酸保坍剂的制备方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN108383958B (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112708140B (zh) * | 2020-11-30 | 2022-04-22 | 科之杰新材料集团福建有限公司 | 一种早强型水泥分散聚合物及其制备方法 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105273137A (zh) * | 2015-05-28 | 2016-01-27 | 盐城工学院 | 一种改性淀粉型梳状共聚物的制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2633797T3 (es) * | 2012-04-05 | 2017-09-25 | Wacker Chemie Ag | Uso de poli(óxido de propileno) o copolímeros de óxido de etileno-óxido de propileno en combinación con derivados de éter de almidón como aditivo en composiciones de mortero seco |
-
2018
- 2018-02-28 CN CN201810169106.2A patent/CN108383958B/zh active Active
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105273137A (zh) * | 2015-05-28 | 2016-01-27 | 盐城工学院 | 一种改性淀粉型梳状共聚物的制备方法 |
Non-Patent Citations (2)
Title |
---|
掺加改性淀粉制备聚羧酸减水剂及其应用;何廷树;《材料导报B:研究篇》;20180225;第32卷(第2期);646-647,649 * |
聚羧酸系复合减水剂的性能研究;杨世芳;《山东化工》;20151231;第44卷(第1期);9-11 * |
Also Published As
Publication number | Publication date |
---|---|
CN108383958A (zh) | 2018-08-10 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN108456287B (zh) | 一种低成本聚羧酸减水剂的制备方法 | |
CN105110687B (zh) | 一种抗泥保坍型聚羧酸减水剂及其制备方法 | |
CN105174783B (zh) | 一种徐放型聚羧酸系减水剂及其制备方法和应用 | |
CN110845672B (zh) | 一种聚羧酸系混凝土减胶剂及其制备方法 | |
CN104231188B (zh) | 一种酯类聚羧酸保坍剂及其制备方法 | |
CN107337769B (zh) | 一种保坍型聚羧酸减水剂及其制备方法 | |
CN111234095B (zh) | 一种采用c6单体制备聚羧酸减水剂的方法 | |
CN111925487A (zh) | 一种高活性聚醚合成超缓释型聚羧酸减水剂的制备方法 | |
CN105175740B (zh) | 一种高和易性酯类聚羧酸减水剂的制备方法 | |
CN114213603B (zh) | 一种抗泥缓释型聚羧酸减水剂及其制备方法和应用 | |
CN115215979B (zh) | 减水剂及其制备方法 | |
CN112408848A (zh) | 一种聚羧酸高性能减水剂的制备方法 | |
CN108383958B (zh) | 一种低成本聚羧酸保坍剂的制备方法 | |
CN113980197A (zh) | 一种高性能抗裂减缩型混凝土减水剂及其制备方法 | |
CN114230726A (zh) | 一种强吸附快分散的聚羧酸减水剂及其制备方法 | |
CN111961148B (zh) | 一种反应引气型聚羧酸减水剂及其制备方法 | |
CN115449024B (zh) | 一种高和易性保坍型聚羧酸减水剂的制备方法 | |
CN114195953B (zh) | 一种低敏感高保水型聚羧酸减水剂及其制备方法 | |
CN108218282B (zh) | 一种抗泥降粘型聚羧酸塑化剂的制备方法 | |
CN113185647B (zh) | 一种改性聚羧酸减水剂及其制备方法 | |
CN112500534A (zh) | 一种两性型聚羧酸减水剂及其制备方法 | |
CN113754839A (zh) | 一种缓释型木质素基聚羧酸高性能减水剂及其制备方法 | |
CN111333788A (zh) | 一种含有多层次侧链长度的聚羧酸减水剂的制备方法 | |
CN111100252A (zh) | 一种兼具高减水率和超保坍性的聚羧酸系减水剂的合成方法 | |
CN115850605B (zh) | 一种石膏基聚羧酸减水剂及其制备方法 |
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 | ||
EE01 | Entry into force of recordation of patent licensing contract |
Application publication date: 20180810 Assignee: Yunnan Goudeli Biotechnology Co.,Ltd. Assignor: HUBEI University OF TECHNOLOGY Contract record no.: X2023420000081 Denomination of invention: A Preparation Method of Low Cost Polycarboxylic Acid Slump Retaining Agent Granted publication date: 20201103 License type: Common License Record date: 20230427 Application publication date: 20180810 Assignee: Yunnan Benyi Lanche Environmental Protection Technology Co.,Ltd. Assignor: HUBEI University OF TECHNOLOGY Contract record no.: X2023420000080 Denomination of invention: A Preparation Method of Low Cost Polycarboxylic Acid Slump Retaining Agent Granted publication date: 20201103 License type: Common License Record date: 20230427 Application publication date: 20180810 Assignee: Yunnan Weiqiang An Biotechnology Co.,Ltd. Assignor: HUBEI University OF TECHNOLOGY Contract record no.: X2023420000079 Denomination of invention: A Preparation Method of Low Cost Polycarboxylic Acid Slump Retaining Agent Granted publication date: 20201103 License type: Common License Record date: 20230427 |
|
EE01 | Entry into force of recordation of patent licensing contract | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240411 Address after: 101200 room 205-211526, No. 40, Fuqian West Street, Pinggu town, Pinggu District, Beijing (cluster registration) Patentee after: BEIJING YONGBO TECHNOLOGY CO.,LTD. Country or region after: China Address before: 430068 1, Lijia 1 village, Nanhu, Wuchang District, Wuhan, Hubei Patentee before: HUBEI University OF TECHNOLOGY Country or region before: China |
|
TR01 | Transfer of patent right |