CN108503826A - 一种水溶性低聚物含量低的聚酰胺5x及其制备方法 - Google Patents
一种水溶性低聚物含量低的聚酰胺5x及其制备方法 Download PDFInfo
- Publication number
- CN108503826A CN108503826A CN201710103127.XA CN201710103127A CN108503826A CN 108503826 A CN108503826 A CN 108503826A CN 201710103127 A CN201710103127 A CN 201710103127A CN 108503826 A CN108503826 A CN 108503826A
- Authority
- CN
- China
- Prior art keywords
- polyamide
- water
- dicarboxylic acids
- minutes
- acid
- 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
- 229920006141 Polyamide 5X Polymers 0.000 title claims abstract description 75
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000004952 Polyamide Substances 0.000 claims abstract description 51
- 229920002647 polyamide Polymers 0.000 claims abstract description 51
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 50
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 25
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 21
- 239000011780 sodium chloride Substances 0.000 claims abstract description 18
- KJOMYNHMBRNCNY-UHFFFAOYSA-N pentane-1,1-diamine Chemical compound CCCCC(N)N KJOMYNHMBRNCNY-UHFFFAOYSA-N 0.000 claims abstract description 15
- WNLRTRBMVRJNCN-UHFFFAOYSA-N adipic acid Chemical compound OC(=O)CCCCC(O)=O WNLRTRBMVRJNCN-UHFFFAOYSA-N 0.000 claims abstract description 14
- 235000011037 adipic acid Nutrition 0.000 claims abstract description 13
- 238000005070 sampling Methods 0.000 claims abstract description 11
- 239000001361 adipic acid Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims abstract 2
- 150000001991 dicarboxylic acids Chemical class 0.000 claims description 27
- 239000000243 solution Substances 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- VHRGRCVQAFMJIZ-UHFFFAOYSA-N cadaverine Chemical group NCCCCCN VHRGRCVQAFMJIZ-UHFFFAOYSA-N 0.000 claims description 11
- 239000000539 dimer Substances 0.000 claims description 11
- 238000006243 chemical reaction Methods 0.000 claims description 9
- 239000002253 acid Substances 0.000 claims description 7
- BDJRBEYXGGNYIS-UHFFFAOYSA-N nonanedioic acid Chemical compound OC(=O)CCCCCCCC(O)=O BDJRBEYXGGNYIS-UHFFFAOYSA-N 0.000 claims description 6
- WLJVNTCWHIRURA-UHFFFAOYSA-N pimelic acid Chemical compound OC(=O)CCCCCC(O)=O WLJVNTCWHIRURA-UHFFFAOYSA-N 0.000 claims description 6
- CXMXRPHRNRROMY-UHFFFAOYSA-N sebacic acid Chemical compound OC(=O)CCCCCCCCC(O)=O CXMXRPHRNRROMY-UHFFFAOYSA-N 0.000 claims description 6
- BGHCVCJVXZWKCC-UHFFFAOYSA-N tetradecane Chemical compound CCCCCCCCCCCCCC BGHCVCJVXZWKCC-UHFFFAOYSA-N 0.000 claims description 6
- 239000011347 resin Substances 0.000 claims description 5
- 229920005989 resin Polymers 0.000 claims description 5
- RTBFRGCFXZNCOE-UHFFFAOYSA-N 1-methylsulfonylpiperidin-4-one Chemical compound CS(=O)(=O)N1CCC(=O)CC1 RTBFRGCFXZNCOE-UHFFFAOYSA-N 0.000 claims description 3
- WMRCTEPOPAZMMN-UHFFFAOYSA-N 2-undecylpropanedioic acid Chemical compound CCCCCCCCCCCC(C(O)=O)C(O)=O WMRCTEPOPAZMMN-UHFFFAOYSA-N 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 229920000305 Nylon 6,10 Polymers 0.000 claims description 3
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 claims description 3
- 150000001412 amines Chemical group 0.000 claims description 3
- JFCQEDHGNNZCLN-UHFFFAOYSA-N anhydrous glutaric acid Natural products OC(=O)CCCC(O)=O JFCQEDHGNNZCLN-UHFFFAOYSA-N 0.000 claims description 3
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 claims description 3
- 229910052799 carbon Inorganic materials 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000012267 brine Substances 0.000 claims 1
- 150000004985 diamines Chemical class 0.000 claims 1
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims 1
- 150000003839 salts Chemical class 0.000 description 23
- 239000007864 aqueous solution Substances 0.000 description 12
- 238000003756 stirring Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 10
- 230000000052 comparative effect Effects 0.000 description 9
- 125000004122 cyclic group Chemical group 0.000 description 8
- 238000001816 cooling Methods 0.000 description 7
- 238000005453 pelletization Methods 0.000 description 7
- 150000001279 adipic acids Chemical class 0.000 description 6
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000010792 warming Methods 0.000 description 6
- 238000002844 melting Methods 0.000 description 5
- 230000008018 melting Effects 0.000 description 5
- 238000011056 performance test Methods 0.000 description 5
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 4
- 229910052782 aluminium Inorganic materials 0.000 description 4
- 239000004411 aluminium Substances 0.000 description 4
- 230000006837 decompression Effects 0.000 description 4
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 description 4
- 239000004033 plastic Substances 0.000 description 4
- 229920000642 polymer Polymers 0.000 description 4
- 238000006116 polymerization reaction Methods 0.000 description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 3
- 238000009835 boiling Methods 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 239000004677 Nylon Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 239000000178 monomer Substances 0.000 description 2
- 229920001778 nylon Polymers 0.000 description 2
- 238000006068 polycondensation reaction Methods 0.000 description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- TYFQFVWCELRYAO-UHFFFAOYSA-N suberic acid Chemical compound OC(=O)CCCCCCC(O)=O TYFQFVWCELRYAO-UHFFFAOYSA-N 0.000 description 2
- YZCKVEUIGOORGS-OUBTZVSYSA-N Deuterium Chemical compound [2H] YZCKVEUIGOORGS-OUBTZVSYSA-N 0.000 description 1
- 206010013786 Dry skin Diseases 0.000 description 1
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- 229920006152 PA1010 Polymers 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 238000004026 adhesive bonding Methods 0.000 description 1
- 125000003368 amide group Chemical group 0.000 description 1
- 239000003963 antioxidant agent Substances 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 229920006021 bio-based polyamide Polymers 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 description 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 description 1
- 229910052805 deuterium Inorganic materials 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 239000007791 liquid phase Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 230000003252 repetitive effect Effects 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- QAOWNCQODCNURD-UHFFFAOYSA-N sulfuric acid Substances OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 1
- 229910021653 sulphate ion Inorganic materials 0.000 description 1
- 230000002194 synthesizing effect Effects 0.000 description 1
- 238000012360 testing method Methods 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
-
- 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
- C08G69/00—Macromolecular compounds obtained by reactions forming a carboxylic amide link in the main chain of the macromolecule
- C08G69/02—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids
- C08G69/26—Polyamides derived from amino-carboxylic acids or from polyamines and polycarboxylic acids derived from polyamines and polycarboxylic acids
- C08G69/28—Preparatory processes
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyamides (AREA)
Abstract
Description
Claims (9)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103127.XA CN108503826B (zh) | 2017-02-24 | 2017-02-24 | 一种水溶性低聚物含量低的聚酰胺5x及其制备方法 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710103127.XA CN108503826B (zh) | 2017-02-24 | 2017-02-24 | 一种水溶性低聚物含量低的聚酰胺5x及其制备方法 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108503826A true CN108503826A (zh) | 2018-09-07 |
| CN108503826B CN108503826B (zh) | 2022-02-15 |
Family
ID=63373509
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710103127.XA Active CN108503826B (zh) | 2017-02-24 | 2017-02-24 | 一种水溶性低聚物含量低的聚酰胺5x及其制备方法 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108503826B (zh) |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040151A (zh) * | 2018-10-15 | 2020-04-21 | 上海凯赛生物技术股份有限公司 | 一种聚酰胺5x树脂及其制备方法和应用 |
| WO2021031529A1 (zh) | 2019-08-22 | 2021-02-25 | 上海凯赛生物技术股份有限公司 | 一种低沸水收缩率的聚酰胺56纤维及其制备方法和应用 |
| WO2021088250A1 (zh) | 2019-11-07 | 2021-05-14 | 上海凯赛生物技术股份有限公司 | 一种聚酰胺5x工业丝及其制备方法与应用 |
| CN113651957A (zh) * | 2020-09-17 | 2021-11-16 | 上海恒什塑料技术有限公司 | 一种无黑点聚酰胺组合物及其聚合工艺 |
| CN114213653A (zh) * | 2021-11-30 | 2022-03-22 | 东华大学 | 一种聚酰胺及其制备方法 |
| CN114891204A (zh) * | 2022-05-17 | 2022-08-12 | 海阳科技股份有限公司 | 一种原位聚合着色尼龙56黑切片的制备工艺 |
| WO2022257462A1 (zh) * | 2021-06-09 | 2022-12-15 | 上海凯赛生物技术股份有限公司 | 一种聚酰胺树脂及其制备方法、组合物和纤维制品 |
| WO2023087547A1 (zh) * | 2021-11-19 | 2023-05-25 | 上海凯赛生物技术股份有限公司 | 一种聚酰胺树脂、组合物及其在工程塑料中的用途 |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006348276A (ja) * | 2005-05-17 | 2006-12-28 | Mitsubishi Chemicals Corp | ヒンジ付き成形品 |
| JP2006348057A (ja) * | 2004-05-21 | 2006-12-28 | Mitsubishi Chemicals Corp | ポリアミド樹脂 |
| JP2009191156A (ja) * | 2008-02-14 | 2009-08-27 | Mitsubishi Chemicals Corp | ポリアミド樹脂及びポリアミド樹脂組成物 |
| CN102449029A (zh) * | 2009-03-30 | 2012-05-09 | 东丽株式会社 | 聚酰胺树脂、聚酰胺树脂组合物和由它们形成的成型品 |
| CN103145979A (zh) * | 2013-02-26 | 2013-06-12 | 上海凯赛生物技术研发中心有限公司 | 一种尼龙及其制备方法 |
| CN103980486A (zh) * | 2013-02-07 | 2014-08-13 | 上海凯赛生物技术研发中心有限公司 | 一种尼龙的制备方法 |
| CN104031263A (zh) * | 2013-03-08 | 2014-09-10 | 上海凯赛生物技术研发中心有限公司 | 尼龙的制造方法 |
| CN104562271A (zh) * | 2013-10-28 | 2015-04-29 | 上海凯赛生物技术研发中心有限公司 | 尼龙纤维及其制备方法 |
| CN106147223A (zh) * | 2015-05-12 | 2016-11-23 | 上海凯赛生物技术研发中心有限公司 | 聚酰胺5x作为阻燃材料的应用 |
| CN106146831A (zh) * | 2015-05-12 | 2016-11-23 | 上海凯赛生物技术研发中心有限公司 | 一种生物基1,5-戊二胺制备的聚酰胺56材料 |
-
2017
- 2017-02-24 CN CN201710103127.XA patent/CN108503826B/zh active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006348057A (ja) * | 2004-05-21 | 2006-12-28 | Mitsubishi Chemicals Corp | ポリアミド樹脂 |
| JP2006348276A (ja) * | 2005-05-17 | 2006-12-28 | Mitsubishi Chemicals Corp | ヒンジ付き成形品 |
| JP2009191156A (ja) * | 2008-02-14 | 2009-08-27 | Mitsubishi Chemicals Corp | ポリアミド樹脂及びポリアミド樹脂組成物 |
| CN102449029A (zh) * | 2009-03-30 | 2012-05-09 | 东丽株式会社 | 聚酰胺树脂、聚酰胺树脂组合物和由它们形成的成型品 |
| CN103980486A (zh) * | 2013-02-07 | 2014-08-13 | 上海凯赛生物技术研发中心有限公司 | 一种尼龙的制备方法 |
| CN103145979A (zh) * | 2013-02-26 | 2013-06-12 | 上海凯赛生物技术研发中心有限公司 | 一种尼龙及其制备方法 |
| CN104031263A (zh) * | 2013-03-08 | 2014-09-10 | 上海凯赛生物技术研发中心有限公司 | 尼龙的制造方法 |
| CN104562271A (zh) * | 2013-10-28 | 2015-04-29 | 上海凯赛生物技术研发中心有限公司 | 尼龙纤维及其制备方法 |
| CN106147223A (zh) * | 2015-05-12 | 2016-11-23 | 上海凯赛生物技术研发中心有限公司 | 聚酰胺5x作为阻燃材料的应用 |
| CN106146831A (zh) * | 2015-05-12 | 2016-11-23 | 上海凯赛生物技术研发中心有限公司 | 一种生物基1,5-戊二胺制备的聚酰胺56材料 |
Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111040151A (zh) * | 2018-10-15 | 2020-04-21 | 上海凯赛生物技术股份有限公司 | 一种聚酰胺5x树脂及其制备方法和应用 |
| CN111040151B (zh) * | 2018-10-15 | 2023-10-13 | 上海凯赛生物技术股份有限公司 | 一种聚酰胺5x树脂及其制备方法和应用 |
| WO2021031529A1 (zh) | 2019-08-22 | 2021-02-25 | 上海凯赛生物技术股份有限公司 | 一种低沸水收缩率的聚酰胺56纤维及其制备方法和应用 |
| WO2021088250A1 (zh) | 2019-11-07 | 2021-05-14 | 上海凯赛生物技术股份有限公司 | 一种聚酰胺5x工业丝及其制备方法与应用 |
| CN113651957A (zh) * | 2020-09-17 | 2021-11-16 | 上海恒什塑料技术有限公司 | 一种无黑点聚酰胺组合物及其聚合工艺 |
| WO2022257462A1 (zh) * | 2021-06-09 | 2022-12-15 | 上海凯赛生物技术股份有限公司 | 一种聚酰胺树脂及其制备方法、组合物和纤维制品 |
| WO2023087547A1 (zh) * | 2021-11-19 | 2023-05-25 | 上海凯赛生物技术股份有限公司 | 一种聚酰胺树脂、组合物及其在工程塑料中的用途 |
| CN114213653A (zh) * | 2021-11-30 | 2022-03-22 | 东华大学 | 一种聚酰胺及其制备方法 |
| CN114213653B (zh) * | 2021-11-30 | 2022-08-23 | 东华大学 | 一种聚酰胺及其制备方法 |
| CN114891204A (zh) * | 2022-05-17 | 2022-08-12 | 海阳科技股份有限公司 | 一种原位聚合着色尼龙56黑切片的制备工艺 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108503826B (zh) | 2022-02-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108503826A (zh) | 一种水溶性低聚物含量低的聚酰胺5x及其制备方法 | |
| CN103980486B (zh) | 一种尼龙的制备方法 | |
| CN110218311B (zh) | 一种阻燃半芳香聚酰胺及其制备方法 | |
| CN104031263B (zh) | 尼龙的制造方法 | |
| CN111187410B (zh) | 一种聚对苯二甲酰对苯二胺液晶聚合物及其制备方法 | |
| CN114181390B (zh) | 一种生物基耐高温聚酰胺及其制备方法 | |
| WO2019137303A1 (zh) | 一种高结晶速率聚酰胺及其制备方法和应用 | |
| CN109517165A (zh) | 一种半芳香族生物基聚酰胺及其制备方法 | |
| WO2023045820A1 (zh) | 一种呋喃二酸基聚酰胺及其制备方法和一种呋喃二酸基聚酰胺组合物 | |
| CN108503824A (zh) | 一种聚酰胺5x熔体、树脂及其制备方法 | |
| CN109180930A (zh) | 一种耐热交替共聚酰胺树脂及其制备方法 | |
| CN109180931B (zh) | 一种长碳链尼龙pa1313的制备方法及产品 | |
| KR20150135737A (ko) | 공중합 폴리아미드 수지, 이의 제조방법 및 이를 포함하는 성형품 | |
| CN112280031B (zh) | 耐高温半芳香聚合物及其制备方法 | |
| JP6566213B2 (ja) | 半芳香族半結晶性ポリアミドを製造するためのプロセス | |
| CN102964590B (zh) | 聚酰胺、其制备方法及其应用 | |
| CN103122063B (zh) | 聚对氨基苯甲酰氨基十一胺的制备方法 | |
| CN102167815B (zh) | 一种在超临界二氧化碳中制备高分子量尼龙-46的方法 | |
| CN110240698A (zh) | 一种高温尼龙pa6t共聚物的制备方法 | |
| Novitsky et al. | Effect of stoichiometric imbalances on the melt condensation polymerization of poly (dodecamethylene terephthalamide) studied by intrinsic viscosity and 13C‐NMR | |
| JP4096446B2 (ja) | 透明ポリアミド樹脂及びその製造法 | |
| CN106750264A (zh) | 一种生物基长碳链聚酰胺及其合成方法 | |
| JP6902157B2 (ja) | ポリアミドの環状オリゴマーを重合するための方法 | |
| CN113045749B (zh) | 一种长碳链聚酰胺材料的合成方法 | |
| CN116903851A (zh) | 一种氮磷系共聚阻燃聚酰胺树脂及其制备方法和应用 |
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 | ||
| CB02 | Change of applicant information |
Address after: 4 / F, building 5, No. 1690, Cailun Road, free trade zone, Pudong New Area, Shanghai Applicant after: CATHAY R&D CENTER Co.,Ltd. Applicant after: CATHAY INDUSTRIAL BIOTECH Ltd. Address before: 200120 Shanghai Zhangjiang High Tech Park of Pudong New Area Cailun Road No. 5 No. 1690 Applicant before: CATHAY R&D CENTER Co.,Ltd. Applicant before: CATHAY INDUSTRIAL BIOTECH Ltd. |
|
| CB02 | Change of applicant information | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20191101 Address after: 4 / F, building 5, No. 1690, Cailun Road, free trade zone, Pudong New Area, Shanghai Applicant after: CATHAY R&D CENTER Co.,Ltd. Applicant after: CIBT USA Address before: 201203 floor 4, building 5, No. 1690, Cailun Road, free trade zone, Pudong New Area, Shanghai Applicant before: CATHAY R&D CENTER Co.,Ltd. Applicant before: CATHAY INDUSTRIAL BIOTECH Ltd. |
|
| TA01 | Transfer of patent application right | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |