CN1273607C - 制备对映体纯对羟基苯甘氨酸的方法 - Google Patents
制备对映体纯对羟基苯甘氨酸的方法 Download PDFInfo
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- CN1273607C CN1273607C CN 200410051914 CN200410051914A CN1273607C CN 1273607 C CN1273607 C CN 1273607C CN 200410051914 CN200410051914 CN 200410051914 CN 200410051914 A CN200410051914 A CN 200410051914A CN 1273607 C CN1273607 C CN 1273607C
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- phpg
- ionic liquid
- methyl ester
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- concentration
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- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
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Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN 200410051914 CN1273607C (zh) | 2004-10-25 | 2004-10-25 | 制备对映体纯对羟基苯甘氨酸的方法 |
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CN 200410051914 CN1273607C (zh) | 2004-10-25 | 2004-10-25 | 制备对映体纯对羟基苯甘氨酸的方法 |
Publications (2)
Publication Number | Publication Date |
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CN1693471A CN1693471A (zh) | 2005-11-09 |
CN1273607C true CN1273607C (zh) | 2006-09-06 |
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CN 200410051914 Expired - Fee Related CN1273607C (zh) | 2004-10-25 | 2004-10-25 | 制备对映体纯对羟基苯甘氨酸的方法 |
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Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
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CN103641729B (zh) * | 2013-11-07 | 2015-04-08 | 河北爱弗特精细化工有限责任公司 | D-对羟基苯甘氨酸甲酯及其盐酸盐的制备方法 |
CN109020823A (zh) * | 2018-09-12 | 2018-12-18 | 山西卓联锐科科技有限公司 | 一种对羟基苯甘氨酸母液废水的处理方法 |
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CN1693471A (zh) | 2005-11-09 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Hebei Hongyuan Chemical Co., Ltd. Assignor: South China University of Technology Contract fulfillment period: 2008.12.22 to 2013.12.22 contract change Contract record no.: 2008130000182 Denomination of invention: Method of preparing antimer pure parahydroxy phenyl glycine Granted publication date: 20060906 License type: Exclusive license Record date: 20081231 |
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LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.22 TO 2013.12.22; CHANGE OF CONTRACT Name of requester: HEBEI HONGYUAN CHEMICAL CO., LTD. Effective date: 20081231 |
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C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060906 Termination date: 20131025 |