Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to DE102004044639A priority Critical patent/DE102004044639A1/en Priority to DE102004044639.3 priority Application filed by Individual filed Critical Individual Priority to PCT/EP2005/009836 priority patent/WO2006029822A1/en Assigned to STOCKHAUSEN GMBH reassignment STOCKHAUSEN GMBH ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Individual Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Abandoned Application number US11/575,162 Inventor Stefan Nordhoff Axel Kobus Torsten Balduf Thomas Rathke Dennis Thong Yu-Chiang Jorg Leistner Current Assignee (The listed assignees may be inaccurate. Google Patents Method for the Extractive Purification of (Meth) Acrylic Acid by Using a Separating Agentĭownload PDF Info Publication number US20080119668A1 US20080119668A1 US11/575,162 US57516205A US2008119668A1 US 20080119668 A1 US20080119668 A1 US 20080119668A1 US 57516205 A US57516205 A US 57516205A US 2008119668 A1 US2008119668 A1 US 2008119668A1 Authority US United States Prior art keywords phase unit acrylic acid meth crystallization Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US20080119668A1 - Method for the Extractive Purification of (Meth) Acrylic Acid by Using a Separating Agent US20080119668A1 - Method for the Extractive Purification of (Meth) Acrylic Acid by Using a Separating Agent

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