CN107739434B - 一种废聚酯醇解法制备再生阻燃聚酯的方法 - Google Patents
一种废聚酯醇解法制备再生阻燃聚酯的方法 Download PDFInfo
- Publication number
- CN107739434B CN107739434B CN201710841044.0A CN201710841044A CN107739434B CN 107739434 B CN107739434 B CN 107739434B CN 201710841044 A CN201710841044 A CN 201710841044A CN 107739434 B CN107739434 B CN 107739434B
- Authority
- CN
- China
- Prior art keywords
- polyester
- alcoholysis
- flame retardant
- kettle
- waste polyester
- 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
- 229920000728 polyester Polymers 0.000 title claims abstract description 135
- 238000006136 alcoholysis reaction Methods 0.000 title claims abstract description 70
- 239000003063 flame retardant Substances 0.000 title claims abstract description 63
- 239000002699 waste material Substances 0.000 title claims abstract description 62
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 60
- 238000000034 method Methods 0.000 title claims abstract description 42
- 230000008929 regeneration Effects 0.000 title claims abstract description 40
- 238000011069 regeneration method Methods 0.000 title claims abstract description 40
- 238000002360 preparation method Methods 0.000 title claims abstract description 20
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 claims abstract description 229
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims abstract description 84
- 238000006068 polycondensation reaction Methods 0.000 claims abstract description 32
- 150000007942 carboxylates Chemical class 0.000 claims abstract description 20
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 17
- 239000001301 oxygen Substances 0.000 claims abstract description 17
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 16
- 239000000835 fiber Substances 0.000 claims abstract description 12
- MORLYCDUFHDZKO-UHFFFAOYSA-N 3-[hydroxy(phenyl)phosphoryl]propanoic acid Chemical compound OC(=O)CCP(O)(=O)C1=CC=CC=C1 MORLYCDUFHDZKO-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000006243 chemical reaction Methods 0.000 claims description 32
- 230000035484 reaction time Effects 0.000 claims description 24
- 239000003963 antioxidant agent Substances 0.000 claims description 11
- 230000003078 antioxidant effect Effects 0.000 claims description 11
- 239000003381 stabilizer Substances 0.000 claims description 11
- 239000003054 catalyst Substances 0.000 claims description 10
- FYIBGDKNYYMMAG-UHFFFAOYSA-N ethane-1,2-diol;terephthalic acid Chemical compound OCCO.OC(=O)C1=CC=C(C(O)=O)C=C1 FYIBGDKNYYMMAG-UHFFFAOYSA-N 0.000 claims description 10
- 239000000654 additive Substances 0.000 claims description 8
- 230000000996 additive effect Effects 0.000 claims description 8
- 238000001914 filtration Methods 0.000 claims description 8
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims description 7
- 229910052698 phosphorus Inorganic materials 0.000 claims description 7
- 239000011574 phosphorus Substances 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 6
- XZZNDPSIHUTMOC-UHFFFAOYSA-N triphenyl phosphate Chemical compound C=1C=CC=CC=1OP(OC=1C=CC=CC=1)(=O)OC1=CC=CC=C1 XZZNDPSIHUTMOC-UHFFFAOYSA-N 0.000 claims description 5
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 3
- 238000004806 packaging method and process Methods 0.000 claims description 3
- 238000005453 pelletization Methods 0.000 claims description 3
- ISIJQEHRDSCQIU-UHFFFAOYSA-N tert-butyl 2,7-diazaspiro[4.5]decane-7-carboxylate Chemical compound C1N(C(=O)OC(C)(C)C)CCCC11CNCC1 ISIJQEHRDSCQIU-UHFFFAOYSA-N 0.000 claims description 3
- 239000004246 zinc acetate Substances 0.000 claims description 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 2
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 2
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- DLRQCJJTUJQYON-UHFFFAOYSA-N C(=O)(O)CCP(O)(=O)C1=CC=CC=C1.C(CO)O Chemical compound C(=O)(O)CCP(O)(=O)C1=CC=CC=C1.C(CO)O DLRQCJJTUJQYON-UHFFFAOYSA-N 0.000 claims 1
- 238000006555 catalytic reaction Methods 0.000 claims 1
- 239000003795 chemical substances by application Substances 0.000 claims 1
- WVLBCYQITXONBZ-UHFFFAOYSA-N trimethyl phosphate Chemical compound COP(=O)(OC)OC WVLBCYQITXONBZ-UHFFFAOYSA-N 0.000 claims 1
- 238000004064 recycling Methods 0.000 abstract description 8
- 239000000047 product Substances 0.000 description 46
- 239000012452 mother liquor Substances 0.000 description 14
- 238000005886 esterification reaction Methods 0.000 description 11
- 238000004519 manufacturing process Methods 0.000 description 9
- 239000002994 raw material Substances 0.000 description 9
- 239000006227 byproduct Substances 0.000 description 6
- 230000032050 esterification Effects 0.000 description 6
- 230000006641 stabilisation Effects 0.000 description 6
- 238000011105 stabilization Methods 0.000 description 6
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 5
- 239000007791 liquid phase Substances 0.000 description 5
- 239000000155 melt Substances 0.000 description 5
- 239000000126 substance Substances 0.000 description 5
- -1 Polyethylene terephthalate Polymers 0.000 description 4
- 230000015572 biosynthetic process Effects 0.000 description 4
- 238000003786 synthesis reaction Methods 0.000 description 4
- LLLVZDVNHNWSDS-UHFFFAOYSA-N 4-methylidene-3,5-dioxabicyclo[5.2.2]undeca-1(9),7,10-triene-2,6-dione Chemical compound C1(C2=CC=C(C(=O)OC(=C)O1)C=C2)=O LLLVZDVNHNWSDS-UHFFFAOYSA-N 0.000 description 3
- QPKOBORKPHRBPS-UHFFFAOYSA-N bis(2-hydroxyethyl) terephthalate Chemical compound OCCOC(=O)C1=CC=C(C(=O)OCCO)C=C1 QPKOBORKPHRBPS-UHFFFAOYSA-N 0.000 description 3
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 230000034659 glycolysis Effects 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 125000001931 aliphatic group Chemical group 0.000 description 2
- 229920000229 biodegradable polyester Polymers 0.000 description 2
- 239000004622 biodegradable polyester Substances 0.000 description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 description 2
- 238000002156 mixing Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000000053 physical method Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 229920001634 Copolyester Polymers 0.000 description 1
- 102000004882 Lipase Human genes 0.000 description 1
- 108090001060 Lipase Proteins 0.000 description 1
- 239000004367 Lipase Substances 0.000 description 1
- SCLKWKMOJSLWRX-UHFFFAOYSA-N P.OCCO Chemical compound P.OCCO SCLKWKMOJSLWRX-UHFFFAOYSA-N 0.000 description 1
- 239000002202 Polyethylene glycol Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 235000013361 beverage Nutrition 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000018109 developmental process Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 238000005469 granulation Methods 0.000 description 1
- 230000003179 granulation Effects 0.000 description 1
- 235000019421 lipase Nutrition 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000006140 methanolysis reaction Methods 0.000 description 1
- 230000002906 microbiologic effect Effects 0.000 description 1
- 239000000178 monomer Substances 0.000 description 1
- 230000000704 physical effect Effects 0.000 description 1
- 229920001223 polyethylene glycol Polymers 0.000 description 1
- 229920000139 polyethylene terephthalate Polymers 0.000 description 1
- 239000005020 polyethylene terephthalate Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- LWIHDJKSTIGBAC-UHFFFAOYSA-K potassium phosphate tribasic Substances [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 230000001172 regenerating effect Effects 0.000 description 1
- 230000008439 repair process Effects 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- KUCOHFSKRZZVRO-UHFFFAOYSA-N terephthalaldehyde Chemical compound O=CC1=CC=C(C=O)C=C1 KUCOHFSKRZZVRO-UHFFFAOYSA-N 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
- 229910000404 tripotassium phosphate Inorganic materials 0.000 description 1
- 235000019798 tripotassium phosphate Nutrition 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/78—Preparation processes
- C08G63/785—Preparation processes characterised by the apparatus used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/68—Polyesters containing atoms other than carbon, hydrogen and oxygen
- C08G63/692—Polyesters containing atoms other than carbon, hydrogen and oxygen containing phosphorus
- C08G63/6924—Polyesters containing atoms other than carbon, hydrogen and oxygen containing phosphorus derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/6926—Dicarboxylic acids and dihydroxy compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Separation, Recovery Or Treatment Of Waste Materials Containing Plastics (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710841044.0A CN107739434B (zh) | 2017-09-18 | 2017-09-18 | 一种废聚酯醇解法制备再生阻燃聚酯的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201710841044.0A CN107739434B (zh) | 2017-09-18 | 2017-09-18 | 一种废聚酯醇解法制备再生阻燃聚酯的方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN107739434A CN107739434A (zh) | 2018-02-27 |
CN107739434B true CN107739434B (zh) | 2019-10-11 |
Family
ID=61235935
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201710841044.0A Active CN107739434B (zh) | 2017-09-18 | 2017-09-18 | 一种废聚酯醇解法制备再生阻燃聚酯的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN107739434B (zh) |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN109457321A (zh) * | 2018-10-17 | 2019-03-12 | 罗莱生活科技股份有限公司 | 一种涤纶纺织物的回收再利用处理工艺 |
CN111138641B (zh) * | 2018-11-02 | 2021-12-21 | 中国石油化工股份有限公司 | 一种废聚酯瓶回用制备瓶级切片的方法 |
CN110791063B (zh) * | 2019-11-13 | 2022-06-28 | 余姚大发化纤有限公司 | 一种含微孔的废聚酯颗粒及其制备方法和应用 |
CN112608514A (zh) * | 2020-12-14 | 2021-04-06 | 浙江理工大学 | 一种废旧聚酯醇解法制备抗菌再生聚酯的方法 |
CN113045740B (zh) * | 2021-03-18 | 2022-07-26 | 湖北山特莱新材料有限公司 | 一种循环再生型水溶性聚酯切片的制备方法 |
CN115433437A (zh) * | 2021-06-01 | 2022-12-06 | 华润化学材料科技股份有限公司 | 阻燃聚酯及其制备方法 |
CN115433436A (zh) * | 2021-06-01 | 2022-12-06 | 华润化学材料科技股份有限公司 | 阻燃聚酯及其制备方法 |
CN114753049A (zh) * | 2021-12-30 | 2022-07-15 | 宁波大千纺织品有限公司 | 一种海洋回收再生聚酯环保纬编面料的制备方法 |
CN115198388B (zh) | 2022-07-11 | 2023-10-03 | 许昌鸿洋生化实业发展有限公司 | 一种阻燃抗静电再生聚酯假发纤维及其制备方法 |
CN115286775A (zh) * | 2022-08-24 | 2022-11-04 | 浙江佳人新材料有限公司 | 一种再生dmt及其共聚酯的制备方法 |
CN115449066B (zh) * | 2022-10-18 | 2024-10-15 | 浙江理工大学 | 一种低熔点高收缩型再生聚酯的制备方法 |
CN115368627B (zh) * | 2022-10-26 | 2023-01-24 | 国高材高分子材料产业创新中心有限公司 | 一种阻燃聚酯的回收方法 |
CN115594581B (zh) * | 2022-10-31 | 2023-07-14 | 浙江佳人新材料有限公司 | 一种化学法回收废旧纺织品制备再生dmt的方法及其在制备阻燃聚酯切片中的应用 |
CN116555940A (zh) * | 2023-06-20 | 2023-08-08 | 浙江海利环保科技股份有限公司 | 一种阻燃再生聚酯纤维的制备方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102153734A (zh) * | 2010-12-30 | 2011-08-17 | 金发科技股份有限公司 | 一种由消费后聚酯制备生物降解聚酯的方法 |
CN102617839A (zh) * | 2012-04-11 | 2012-08-01 | 山东巨业精细化工有限公司 | 一种用废聚酯制备复合纤维用水溶性聚酯的方法 |
CN103145957A (zh) * | 2013-03-21 | 2013-06-12 | 宁波大发化纤有限公司 | 乙二醇降解生产皮芯型聚酯用低熔点再生聚酯的方法 |
CN106113319A (zh) * | 2016-07-15 | 2016-11-16 | 浙江绿宇环保有限公司 | 含涤废旧纺织品回收再生工艺 |
-
2017
- 2017-09-18 CN CN201710841044.0A patent/CN107739434B/zh active Active
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102153734A (zh) * | 2010-12-30 | 2011-08-17 | 金发科技股份有限公司 | 一种由消费后聚酯制备生物降解聚酯的方法 |
CN102617839A (zh) * | 2012-04-11 | 2012-08-01 | 山东巨业精细化工有限公司 | 一种用废聚酯制备复合纤维用水溶性聚酯的方法 |
CN103145957A (zh) * | 2013-03-21 | 2013-06-12 | 宁波大发化纤有限公司 | 乙二醇降解生产皮芯型聚酯用低熔点再生聚酯的方法 |
CN106113319A (zh) * | 2016-07-15 | 2016-11-16 | 浙江绿宇环保有限公司 | 含涤废旧纺织品回收再生工艺 |
Also Published As
Publication number | Publication date |
---|---|
CN107739434A (zh) | 2018-02-27 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN107739434B (zh) | 一种废聚酯醇解法制备再生阻燃聚酯的方法 | |
CN107652423B (zh) | 一种废聚酯醇解法制备再生低熔点聚酯的方法 | |
CN107793560B (zh) | 一种废聚酯醇解法制备再生高收缩聚酯的方法 | |
CN107652422B (zh) | 一种废聚酯醇解法制备再生阳离子染料可染聚酯的方法 | |
CN101437868A (zh) | 由聚对苯二甲酸乙二醇酯(pet)制备聚对苯二甲酸丁二醇酯(pbt)的方法 | |
CN107722249B (zh) | 一种废聚酯醇解法制备再生分散染料易染聚酯的方法 | |
US9771474B2 (en) | Hydrostability of polybutylene terephthalate composition | |
CN103668539B (zh) | 一种抗静电型生物质聚酯纤维及其制备方法 | |
CN105940034B (zh) | 通过使用原位含钛催化剂制备的改性的封端的聚(对苯二甲酸亚烷基酯)和来源于此的组合物 | |
CN105088409A (zh) | 一种利用回收聚酯瓶片生产阻燃涤纶纤维的制备方法 | |
CN114853991A (zh) | 一种petg及其废旧pet聚酯制备petg的方法 | |
CN102532815A (zh) | 一种废聚酯纺织品回收再利用的方法 | |
CN103146151B (zh) | 一种废聚酯瓶回收再利用的方法 | |
CN101415746A (zh) | 由聚对苯二甲酸乙二醇酯(pet)制备聚对苯二甲酸丁二醇酯(pbt)的方法 | |
US20140031441A1 (en) | Process for the Preparation of Modified Poly(Alkylene Terephthalate) Employing an In-Situ Titanium-Containing Catalyst | |
CN103668538B (zh) | 一种抗紫外型生物质聚酯纤维及其制备方法 | |
CN105452330A (zh) | 采用原位含钛催化剂制备改性聚(对苯二甲酸亚烷基酯)的改进方法 | |
KR20150071718A (ko) | 화학 재생 공정을 이용한 난연성 공중합 폴리에스테르 수지 및 그 제조 방법 | |
KR101430108B1 (ko) | 폐폴리에스테르를 이용한 생분해성 폴리에스테르 제조방법 | |
CN111378100A (zh) | 利用再生聚酯复合改性制备聚酯pct的方法 | |
EP4036161A1 (en) | White polyester film and method for manufacturing the same | |
KR101250351B1 (ko) | 인테리어용 항균난연성 재생 폴리에스테르 필라멘트 및 그 제조방법 | |
CN113549200A (zh) | 一种利用pbt聚酯化学再生为可降解聚酯的工艺方法 | |
US9487622B2 (en) | Process for the preparation of modified poly(alkylene terephthalate) employing an in-situ titanium-containing catalyst | |
CN115449066B (zh) | 一种低熔点高收缩型再生聚酯的制备方法 |
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 | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240312 Address after: 401120 No.107 dataguzhong Road, Xiantao street, Yubei District, Chongqing Patentee after: Chongqing Super Star Technology Co.,Ltd. Country or region after: Zhong Guo Address before: 310018 No. 928, No. 2 Avenue, Baiyang Street, Hangzhou Economic and Technological Development Zone, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG SCI-TECH University Country or region before: Zhong Guo |
|
TR01 | Transfer of patent right | ||
TR01 | Transfer of patent right |
Effective date of registration: 20240320 Address after: 061000 science and Technology Innovation Park, Bohai New District, Cangzhou City, Hebei Province Patentee after: Jiahe Wufeng (Hebei) Packaging Technology Co.,Ltd. Country or region after: Zhong Guo Address before: 401120 No.107 dataguzhong Road, Xiantao street, Yubei District, Chongqing Patentee before: Chongqing Super Star Technology Co.,Ltd. Country or region before: Zhong Guo |
|
TR01 | Transfer of patent right |