CN1198812C - 用古龙酸制备粗维生素c的方法 - Google Patents
用古龙酸制备粗维生素c的方法 Download PDFInfo
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- CN1198812C CN1198812C CN 02144715 CN02144715A CN1198812C CN 1198812 C CN1198812 C CN 1198812C CN 02144715 CN02144715 CN 02144715 CN 02144715 A CN02144715 A CN 02144715A CN 1198812 C CN1198812 C CN 1198812C
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CN 02144715 CN1198812C (zh) | 2002-12-09 | 2002-12-09 | 用古龙酸制备粗维生素c的方法 |
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CN 02144715 CN1198812C (zh) | 2002-12-09 | 2002-12-09 | 用古龙酸制备粗维生素c的方法 |
Publications (2)
Publication Number | Publication Date |
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CN1506357A CN1506357A (zh) | 2004-06-23 |
CN1198812C true CN1198812C (zh) | 2005-04-27 |
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CN 02144715 Expired - Lifetime CN1198812C (zh) | 2002-12-09 | 2002-12-09 | 用古龙酸制备粗维生素c的方法 |
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Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101555239B (zh) * | 2009-05-20 | 2012-05-30 | 郑州拓洋实业有限公司 | 从维生素c母液中提取维生素c和2-酮基-l-古龙酸的方法 |
CN101805319B (zh) * | 2010-04-21 | 2012-09-26 | 石药集团维生药业(石家庄)有限公司 | 用古龙酸钠直接转化制取抗坏血酸钠的方法 |
CN101818180B (zh) * | 2010-04-22 | 2012-02-15 | 石家庄开发区德赛化工有限公司 | 一种用双极膜电渗析技术生产维生素c的方法 |
CN102382084B (zh) * | 2011-09-21 | 2014-03-19 | 石家庄开发区德赛化工有限公司 | 一种生产维生素c的方法 |
CN102424695A (zh) * | 2011-10-28 | 2012-04-25 | 安徽泰格生物技术股份有限公司 | 一种古龙酸甲酯钠及其制备方法 |
CN102643190A (zh) * | 2012-01-16 | 2012-08-22 | 沈阳化工大学 | 一种古龙酸母液综合利用的方法 |
CN109134408A (zh) * | 2018-09-19 | 2019-01-04 | 河北乐开节能科技股份有限公司 | 一种对古龙酸水溶液超声诱导结晶制备vc的方法 |
CN110746388A (zh) * | 2019-11-06 | 2020-02-04 | 宁夏启元药业有限公司 | 一种古龙酸酯化转化方法 |
CN111018814B (zh) * | 2019-12-06 | 2022-11-08 | 石药集团维生药业(石家庄)有限公司 | 一种维生素c二母液回收利用的方法 |
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2002
- 2002-12-09 CN CN 02144715 patent/CN1198812C/zh not_active Expired - Lifetime
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CN1506357A (zh) | 2004-06-23 |
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Owner name: NORTHEAST PHARMACEUTICAL GROUP CO., LTD. Free format text: FORMER OWNER: NORTHEAST PHARMACEUTICAL PLANT Effective date: 20100419 |
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Free format text: CORRECT: ADDRESS; FROM: 110026 NO.37,ZHONGGONG NORTH STREET, TIEXI DISTRICT, SHENYANG CITY, LIAONING PROVINCE TO: 110026 NO.37,ZHONGGONG NORTH STREET, TIEXI DISTRICT, SHENYANG CITY |
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Effective date of registration: 20100419 Address after: 110026, No. 37, North Street, heavy industry, Tiexi District, Shenyang Patentee after: Northeast Pharmaceutical Group Co.,Ltd. Address before: 110026, No. thirty-seven, North Street, heavy industry, Tiexi District, Liaoning, Shenyang Patentee before: Northeast General Pharmaceutical Factory |
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Granted publication date: 20050427 |