CN109956873B - 戊二胺熔融结晶工艺 - Google Patents
戊二胺熔融结晶工艺 Download PDFInfo
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- CN109956873B CN109956873B CN201711419377.0A CN201711419377A CN109956873B CN 109956873 B CN109956873 B CN 109956873B CN 201711419377 A CN201711419377 A CN 201711419377A CN 109956873 B CN109956873 B CN 109956873B
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- temperature
- pentanediamine
- pentamethylenediamine
- melt crystallization
- aqueous solution
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/82—Purification; Separation; Stabilisation; Use of additives
- C07C209/84—Purification
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- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
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Priority Applications (1)
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CN201711419377.0A CN109956873B (zh) | 2017-12-25 | 2017-12-25 | 戊二胺熔融结晶工艺 |
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CN201711419377.0A CN109956873B (zh) | 2017-12-25 | 2017-12-25 | 戊二胺熔融结晶工艺 |
Publications (2)
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CN109956873A CN109956873A (zh) | 2019-07-02 |
CN109956873B true CN109956873B (zh) | 2022-05-10 |
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CN201711419377.0A Active CN109956873B (zh) | 2017-12-25 | 2017-12-25 | 戊二胺熔融结晶工艺 |
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Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101250113A (zh) * | 2008-03-28 | 2008-08-27 | 上海安诺芳胺化学品有限公司 | 一种对苯二胺的精制方法 |
CN204400883U (zh) * | 2014-12-17 | 2015-06-17 | 上海凯赛生物技术研发中心有限公司 | 戊二胺纯化系统 |
CN104974046A (zh) * | 2014-04-03 | 2015-10-14 | 上海凯赛生物技术研发中心有限公司 | 一种戊二胺的纯化方法 |
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2017
- 2017-12-25 CN CN201711419377.0A patent/CN109956873B/zh active Active
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101250113A (zh) * | 2008-03-28 | 2008-08-27 | 上海安诺芳胺化学品有限公司 | 一种对苯二胺的精制方法 |
CN104974046A (zh) * | 2014-04-03 | 2015-10-14 | 上海凯赛生物技术研发中心有限公司 | 一种戊二胺的纯化方法 |
CN204400883U (zh) * | 2014-12-17 | 2015-06-17 | 上海凯赛生物技术研发中心有限公司 | 戊二胺纯化系统 |
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Publication number | Publication date |
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CN109956873A (zh) | 2019-07-02 |
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PB01 | Publication | ||
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CB02 | Change of applicant information |
Address after: 4 / F, building 5, No. 1690, Cailun Road, Shanghai 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. |
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TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20191104 Address after: 4 / F, building 5, No. 1690, Cailun Road, Shanghai 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, Shanghai free trade Experimental Zone, Pudong New Area, Shanghai Applicant before: CATHAY R&D CENTER Co.,Ltd. Applicant before: CATHAY INDUSTRIAL BIOTECH Ltd. |
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