CN1264814C - Method for preparing chlorine sulfonyl isocyanic ester - Google Patents
Method for preparing chlorine sulfonyl isocyanic ester Download PDFInfo
- Publication number
- CN1264814C CN1264814C CN 03127621 CN03127621A CN1264814C CN 1264814 C CN1264814 C CN 1264814C CN 03127621 CN03127621 CN 03127621 CN 03127621 A CN03127621 A CN 03127621A CN 1264814 C CN1264814 C CN 1264814C
- Authority
- CN
- China
- Prior art keywords
- chlorocyanogen
- temperature
- chlorosulfonyl isocyanate
- sulfur trioxide
- reactor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03127621 CN1264814C (en) | 2003-07-04 | 2003-07-04 | Method for preparing chlorine sulfonyl isocyanic ester |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 03127621 CN1264814C (en) | 2003-07-04 | 2003-07-04 | Method for preparing chlorine sulfonyl isocyanic ester |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1566085A CN1566085A (en) | 2005-01-19 |
CN1264814C true CN1264814C (en) | 2006-07-19 |
Family
ID=34469162
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 03127621 Expired - Fee Related CN1264814C (en) | 2003-07-04 | 2003-07-04 | Method for preparing chlorine sulfonyl isocyanic ester |
Country Status (1)
Country | Link |
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CN (1) | CN1264814C (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101891657B (en) * | 2010-07-15 | 2011-08-31 | 营口三征新科技化工有限公司 | Manufacturing method of chlorosulfonyl isocyanate |
CN104447438A (en) * | 2014-11-20 | 2015-03-25 | 沈阳化工大学 | Method for producing chlorosulfonyl isocyanate by taking cyanogen chloride and sulfur trioxide as raw materials |
CN109400506B (en) * | 2018-11-14 | 2021-04-13 | 四平市精细化学品有限公司 | Synthesis method of high-purity chlorosulfonyl isocyanate |
CN112321462B (en) * | 2020-11-02 | 2023-02-24 | 四平市精细化学品有限公司 | Method for synthesizing chlorosulfonyl isocyanate by continuous method |
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2003
- 2003-07-04 CN CN 03127621 patent/CN1264814C/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
CN1566085A (en) | 2005-01-19 |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: HEBEI ZHONGRUN PHARMACEUTICAL CO.LTD., SHIYAO GRO Free format text: FORMER OWNER: SIPING FINE CHEMICALS LIMITED COMPANY Effective date: 20081121 |
|
C41 | Transfer of patent application or patent right or utility model | ||
TR01 | Transfer of patent right |
Effective date of registration: 20081121 Address after: 47, Feng Shou Road, Shijiazhuang, Hebei, zip code: 050041 Co-patentee after: Siping City Fine Chemicals Co., LTD Patentee after: Hebei Zhong run Pharmaceutical Co., Ltd. Address before: No. 1, Beishan West Road, MTR Eastern District, Siping City, Jilin Province, China: 136001 Patentee before: Siping City Fine Chemicals Co., LTD |
|
C56 | Change in the name or address of the patentee |
Owner name: CSPC PHARMACEUTICAL GROUP ZHONGNUO PHARMACEUTICAL Free format text: FORMER NAME: CSPC HEBEI ZHONGRUN PHARMACEUTICAL CO., LTD. |
|
CP01 | Change in the name or title of a patent holder |
Address after: 050041 No. 47 Harvest Road, Hebei, Shijiazhuang Co-patentee after: Siping City Fine Chemicals Co., LTD Patentee after: Zhongnuo Pharmaceutical (Shijiazhuang) Co., Ltd., Shiyao Group Address before: 050041 No. 47 Harvest Road, Hebei, Shijiazhuang Co-patentee before: Siping City Fine Chemicals Co., LTD Patentee before: CSPC Hebei Zhongrun Pharmaceutical Co., Ltd. |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060719 Termination date: 20130704 |