发明公开
- 专利标题: IMPROVED PURIFICATION OF PHENYL ESTER SALTS
- 专利标题(中): 清洁苯基酯
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申请号: EP01944282.1申请日: 2001-06-04
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公开(公告)号: EP1286958A2公开(公告)日: 2003-03-05
- 发明人: ARUMUGAM, Bhaskar, K. , BYMASTER, Dimmick, L. , EAGAN, Robert, L. , ECKART, Edward, J. , FELTY, Jarvey, E. , FONTENOT, Kevin, J. , GREEN, Jeffrey, W. , KIRK, Shane, K. , LUTZ, Gary P. , SANDER, Tony, L. , WILLIAMS, Thomas, H. , ZIMA, George C. , DUPONT, Jeffrey, Scott , DYKSTRA, Robert, Richard , BURNS, Michael, Eugene
- 申请人: EASTMAN CHEMICAL COMPANY , The Procter & Gamble Company
- 申请人地址: 100 North Eastman Road Kingsport, TN 37660 US
- 专利权人: EASTMAN CHEMICAL COMPANY,The Procter & Gamble Company
- 当前专利权人: EASTMAN CHEMICAL COMPANY,The Procter & Gamble Company
- 当前专利权人地址: 100 North Eastman Road Kingsport, TN 37660 US
- 代理机构: Wibbelmann, Jobst, Dr., Dipl.-Chem.
- 优先权: US208498P 20000602
- 国际公布: WO01092216 20011206
- 主分类号: C07C303/44
- IPC分类号: C07C303/44 ; C07C309/42
摘要:
The invention relates to a process for purifying and decolorizing a phenyl ester salt. The process combines a phenyl ester salt with a solvent to form a mixture and then stirs the mixture to form a slurry. The phenyl ester salt is substantially insoluble in this solvent. The process then collects the phenyl ester salt from the slurry. The collected phenyl ester salt may then be optionally dried or recrystallized. The collected phenyl ester salt is dissolved in a solvent to form a solution. The solution is decolorized and then spray dried to form a powder of the phenyl ester salt. As a result of the process the phenyl ester salt powder has a higher purity and an improved color as compared to the starting phenyl ester salt.
公开/授权文献
- EP1286958B1 IMPROVED PURIFICATION OF PHENYL ESTER SALTS 公开/授权日:2005-01-12
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