Title:
HIGHLY PURE POLOXAMERS AND PURIFICATION METHOD THEREOF
Document Type and Number:
WIPO Patent Application WO/2012/091361
Kind Code:
A2
Abstract:
Disclosed are a method for purifying poloxamers, comprising dissolving poloxamers in an organic solvent to prepare a polymer solution, and removing organometals or water from the polymer solution by at least one physical method selected from mixing of activated carbon with the polymer solution and centrifugation of the polymer solution, and poloxamers purified by the method.
Inventors:
KIM BONG OH (KR)
SEO MIN HYO (KR)
SEO MIN HYO (KR)
Application Number:
PCT/KR2011/009974
Publication Date:
July 05, 2012
Filing Date:
December 22, 2011
Export Citation:
Assignee:
SAMYANG BIOPHARMACEUTICALS (KR)
KIM BONG OH (KR)
SEO MIN HYO (KR)
KIM BONG OH (KR)
SEO MIN HYO (KR)
International Classes:
B01D15/00; C08G65/30; B01D17/038; C08G65/08
Domestic Patent References:
WO2007117098A1 | 2007-10-18 | |||
WO2007031566A1 | 2007-03-22 |
Foreign References:
US4122126A | 1978-10-24 | |||
JPH08170092A | 1996-07-02 | |||
KR20040080467A | 2004-09-20 |
Attorney, Agent or Firm:
KIM, Sun-young (10th Floor 80-6,Susong-Dong, Chongro-K, Seoul 110-727, KR)
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