CN113461579B - Preparation method of pharmaceutical grade dimethyl sulfoxide - Google Patents
Preparation method of pharmaceutical grade dimethyl sulfoxide Download PDFInfo
- Publication number
- CN113461579B CN113461579B CN202110878994.7A CN202110878994A CN113461579B CN 113461579 B CN113461579 B CN 113461579B CN 202110878994 A CN202110878994 A CN 202110878994A CN 113461579 B CN113461579 B CN 113461579B
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- dimethyl sulfoxide
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- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C315/00—Preparation of sulfones; Preparation of sulfoxides
- C07C315/06—Separation; Purification; Stabilisation; Use of additives
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
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Priority Applications (1)
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CN202110878994.7A CN113461579B (en) | 2021-08-02 | 2021-08-02 | Preparation method of pharmaceutical grade dimethyl sulfoxide |
Applications Claiming Priority (1)
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CN202110878994.7A CN113461579B (en) | 2021-08-02 | 2021-08-02 | Preparation method of pharmaceutical grade dimethyl sulfoxide |
Publications (2)
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CN113461579A CN113461579A (en) | 2021-10-01 |
CN113461579B true CN113461579B (en) | 2023-04-11 |
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CN202110878994.7A Active CN113461579B (en) | 2021-08-02 | 2021-08-02 | Preparation method of pharmaceutical grade dimethyl sulfoxide |
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Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN115784952B (en) * | 2022-10-09 | 2024-07-05 | 新疆兴发化工有限公司 | Purification process of electronic grade dimethyl sulfoxide |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
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CN102093268A (en) * | 2010-12-29 | 2011-06-15 | 天津市康科德科技有限公司 | Preparation method of chromatographic grade dimethyl sulfoxide |
CN107459472B (en) * | 2016-06-03 | 2019-08-02 | 中国石油天然气股份有限公司 | Method for refining dimethyl sulfoxide solvent in carbon fiber precursor production process |
CN106674066B (en) * | 2016-12-09 | 2020-05-05 | 国药集团化学试剂有限公司 | Dimethyl sulfoxide purification method |
CN112225680A (en) * | 2019-07-15 | 2021-01-15 | 中国石油化工股份有限公司 | Organic solvent purification method and device |
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Legal Events
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PB01 | Publication | ||
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SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 201799 No. 1999, Beixing Road, Sanxing Town, Qingpu District, Shanghai (Shanghai yuhaitang science and Technology Park) Applicant after: Shanghai Demai Shiou Technology Co.,Ltd. Address before: No.1999 Beixing Road, Sanxing Town, Chongming District, Shanghai 202150 (yuhaitang Science Park, Shanghai) Applicant before: Shanghai Demai Shiou Chemical Co.,Ltd. |
|
CB02 | Change of applicant information | ||
CB02 | Change of applicant information |
Address after: 201799 room 4014, science and technology incubation service center, 1155 Gongyuan East Road, Qingpu District, Shanghai Applicant after: Shanghai Demai Shiou Technology Co.,Ltd. Address before: 201799 No. 1999, Beixing Road, Sanxing Town, Qingpu District, Shanghai (Shanghai yuhaitang science and Technology Park) Applicant before: Shanghai Demai Shiou Technology Co.,Ltd. |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
TA01 | Transfer of patent application right | ||
TA01 | Transfer of patent application right |
Effective date of registration: 20230329 Address after: 124000 Hexiang Community, Chuangxin Street, Xinglongtai District, Panjin City, Liaoning Province, A-8-1-502 Applicant after: He Yan Address before: 201799 room 4014, science and technology incubation service center, 1155 Gongyuan East Road, Qingpu District, Shanghai Applicant before: Shanghai Demai Shiou Technology Co.,Ltd. |