The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 09, 2007
Filed:
Jun. 25, 2004
Xiangsheng Meng, Chanhassen, MN (US);
Paraskevas Tsobanakis, Inver Grove Heights, MN (US);
Jeffrey Malsam, Minneapolis, MN (US);
Timothy Abraham, Minnetonka, MN (US);
Xiangsheng Meng, Chanhassen, MN (US);
Paraskevas Tsobanakis, Inver Grove Heights, MN (US);
Jeffrey Malsam, Minneapolis, MN (US);
Timothy Abraham, Minnetonka, MN (US);
Other;
Abstract
Disclosed is a process for separating and recovering 3-hydroxypropionic acid from an aqueous solution comprising 3-hydroxypropionic acid and acrylic acid, comprising counter current extracting the aqueous solution with ethyl acetate extractant. Further disclosed is a process for separating and recovering 3-hydroxypropionic acid and acrylic acid from an aqueous solution comprising 3-hydroxypropionic acid and acrylic acid.