CN110128283A - 一种3,5-二氨基苯甲酸生产系统和工艺 - Google Patents
一种3,5-二氨基苯甲酸生产系统和工艺 Download PDFInfo
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- CN110128283A CN110128283A CN201910506853.5A CN201910506853A CN110128283A CN 110128283 A CN110128283 A CN 110128283A CN 201910506853 A CN201910506853 A CN 201910506853A CN 110128283 A CN110128283 A CN 110128283A
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/04—Formation of amino groups in compounds containing carboxyl groups
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/14—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
- C07C227/18—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/38—Separation; Purification; Stabilisation; Use of additives
- C07C227/40—Separation; Purification
Abstract
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CN201910506853.5A CN110128283B (zh) | 2019-06-12 | 2019-06-12 | 一种3,5-二氨基苯甲酸生产系统和工艺 |
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CN201910506853.5A CN110128283B (zh) | 2019-06-12 | 2019-06-12 | 一种3,5-二氨基苯甲酸生产系统和工艺 |
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CN110128283A true CN110128283A (zh) | 2019-08-16 |
CN110128283B CN110128283B (zh) | 2020-08-11 |
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Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102249942A (zh) * | 2011-05-20 | 2011-11-23 | 山东富原化工有限公司 | 一种工业化连续加氢合成3,5-二氨基苯甲酸的方法 |
CN208532650U (zh) * | 2018-06-29 | 2019-02-22 | 内蒙古利元科技有限公司 | 一种新型母液蒸发浓缩回收系统 |
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- 2019-06-12 CN CN201910506853.5A patent/CN110128283B/zh active Active
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102249942A (zh) * | 2011-05-20 | 2011-11-23 | 山东富原化工有限公司 | 一种工业化连续加氢合成3,5-二氨基苯甲酸的方法 |
CN208532650U (zh) * | 2018-06-29 | 2019-02-22 | 内蒙古利元科技有限公司 | 一种新型母液蒸发浓缩回收系统 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: A production system and process of 3,5-diaminobenzoic acid Effective date of registration: 20220722 Granted publication date: 20200811 Pledgee: Mongolian Commercial Bank Co.,Ltd. Alxa branch Pledgor: INNER MONGOLIA LIYUAN TECHNOLOGY Co.,Ltd. Registration number: Y2022640000013 |
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Date of cancellation: 20230926 Granted publication date: 20200811 Pledgee: Mongolian Commercial Bank Co.,Ltd. Alxa branch Pledgor: INNER MONGOLIA LIYUAN TECHNOLOGY Co.,Ltd. Registration number: Y2022640000013 |
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PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
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Denomination of invention: A production system and process for 3,5-diaminobenzoic acid Effective date of registration: 20231007 Granted publication date: 20200811 Pledgee: Mongolian Commercial Bank Co.,Ltd. Alxa branch Pledgor: INNER MONGOLIA LIYUAN TECHNOLOGY Co.,Ltd. Registration number: Y2023640000037 |