CN102249957B - 用2b油磺化生产2b酸的方法 - Google Patents
用2b油磺化生产2b酸的方法 Download PDFInfo
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CN102249957B true CN102249957B (zh) | 2013-10-30 |
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CN105968033B (zh) * | 2016-05-12 | 2018-02-16 | 浙江正大新材料科技有限公司 | 一种3,4‑二氯苯胺‑6‑磺酸的生产方法 |
CN109180537B (zh) * | 2018-08-24 | 2021-07-20 | 浙江友联化学工业有限公司 | 一种液相烘焙法制备3-氯对甲苯胺-6-磺酸的方法 |
CN114671786A (zh) * | 2022-03-23 | 2022-06-28 | 浙江友联化学工业有限公司 | 一种2b酸高得率生产工艺及设备 |
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US1773706A (en) * | 1927-05-10 | 1930-08-19 | Gen Aniline Works Inc | Uniform sulphonic acids of 6-chloro-2-amino-1-methylbenzene and process of preparing them |
JPS5262240A (en) * | 1975-11-13 | 1977-05-23 | Dainichi Seika Kogyo Kk | Preparation of 2-chloro-4-toluidine-5-solfonic acid |
US5189206A (en) * | 1989-03-16 | 1993-02-23 | Ciba-Geigy Corporation | Process for the preparation of aminobenzenesulfonic acids |
CN101143841B (zh) * | 2007-10-08 | 2010-09-22 | 镇江市丹徒区天龙化工有限公司 | 一种4-氨基甲苯-3-磺酸的生产方法 |
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Address after: The new road, Jiaxing Industrial Park, Nanhu District Bridge Town Jiaxing city Zhejiang province 314006 Patentee after: Zhejiang Zhengda new Mstar Technology Ltd Patentee after: Jiaxing Fine Chemical Co.,Ltd. Address before: The new road, Jiaxing Industrial Park, Nanhu District Bridge Town Jiaxing city Zhejiang province 314006 Patentee before: Jiaxing Zhengda Chemical Co.,Ltd. Patentee before: Jiaxing Fine Chemical Co.,Ltd. |
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Address after: 314006 Mingxin Road, Jiaxing Industrial Park, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee after: Zhejiang Zhengda New Material Technology Co.,Ltd. Patentee after: JIAXING FINE CHEMICAL Co.,Ltd. Address before: 314006 Mingxin Road, Jiaxing Industrial Park, Daqiao Town, Nanhu District, Jiaxing City, Zhejiang Province Patentee before: ZHEJIANG ZHENGDA NEW MATERIALS TECHNOLOGY Co.,Ltd. Patentee before: JIAXING FINE CHEMICAL Co.,Ltd. |