发明申请
- 专利标题： PROCESS FOR THE PREPARATION OF SUCRALOSE OF HIGH PURITY
- 专利标题（中）： 制备高纯度蔗糖的方法
-
申请号： US12307652申请日： 2006-10-19
-
公开(公告)号： US20090312538A1公开(公告)日： 2009-12-17
- 发明人: Pandurang Balwant Deshpande , Parven Kumar Luthra , Sanjiv Onkarsingh Tomer , Kashyap Ravindrabhai Wadekar , Piyush Maheshbhai Rana , Kamlesh Shankarlal Kanzariya
- 申请人： Pandurang Balwant Deshpande , Parven Kumar Luthra , Sanjiv Onkarsingh Tomer , Kashyap Ravindrabhai Wadekar , Piyush Maheshbhai Rana , Kamlesh Shankarlal Kanzariya
- 申请人地址： IN Vadodara
- 专利权人： Alembic Limited
- 当前专利权人： Alembic Limited
- 当前专利权人地址： IN Vadodara
- 优先权： IN1068/MUM/2006 20060706
- 国际申请： PCT/IN06/00428 WO 20061019
- 主分类号： C13K13/00
- IPC分类号： C13K13/00
摘要：
The present invention relates to an improved process for the preparation of Sucralose having purity of at least 99.6% comprising steps of (i) dissolving substantially impure Sucralose in water (ii) treating the solution obtained in step (i) with a partially water immiscible solvent (iii) washing the said solvent phase obtained in step (ii) with an amount of water sufficient to remove polar impurities (iv) crystallizing the product from partially water immiscible solvent (v) recrystallizing the solid obtained in step (iv) from water.
信息查询
