Title:
PROCESS FOR PURIFYING AN AMPHIPHILIC BLOCK COPOLYMER, AMPHIPHILIC BLOCK COPOLYMER OBTAINED THEREFROM, AND PHARMACEUTICAL COMPOSITION CONTAINING THE SAME
Document Type and Number:
WIPO Patent Application WO/2017/018815
Kind Code:
A1
Abstract:
A method for purifying an amphiphilic block copolymer by sublimation with suppressing the molecular weight reduction, an amphiphilic block copolymer composition obtained by the purification method, and a pharmaceutical composition comprising the amphiphilic block copolymer composition are provided.
Inventors:
KIM BONG OH (KR)
KIM JI YEONG (KR)
KIM HYE RIM (KR)
MIN BUM CHAN (KR)
SEO MIN HYO (KR)
LEE SA WON (KR)
YI YIL WOONG (KR)
CHO JOONG WOONG (KR)
CHOI IN JA (KR)
KIM JI YEONG (KR)
KIM HYE RIM (KR)
MIN BUM CHAN (KR)
SEO MIN HYO (KR)
LEE SA WON (KR)
YI YIL WOONG (KR)
CHO JOONG WOONG (KR)
CHOI IN JA (KR)
Application Number:
PCT/KR2016/008264
Publication Date:
February 02, 2017
Filing Date:
July 28, 2016
Export Citation:
Assignee:
SAMYANG BIOPHARMACEUTICALS (KR)
International Classes:
C08F6/28; A61K9/127; A61K31/337; A61K47/30; C08F299/00
Domestic Patent References:
| WO2003033592A1 | 2003-04-24 |
Foreign References:
| KR20100097144A | 2010-09-02 | |||
| US20140335194A1 | 2014-11-13 |
Other References:
ROBB, M. J. ET AL.: "Functional block copolymer nanoparticles: toward the next generation of delivery vehicles", POLYM CHEM., vol. 3, no. 6, 2012, pages 1618 - 1628, XP055350956
KOHN, F. E. ET AL.: "The Ring-Opening Polymerization of D,L-Lactide in the Melt Initiated with Tetraphenyltin", JOURNAL OF APPLIED POLYMER SCIENCE, vol. 29, no. 12, 1984, pages 4265 - 4277, XP001080325
KOHN, F. E. ET AL.: "The Ring-Opening Polymerization of D,L-Lactide in the Melt Initiated with Tetraphenyltin", JOURNAL OF APPLIED POLYMER SCIENCE, vol. 29, no. 12, 1984, pages 4265 - 4277, XP001080325
Attorney, Agent or Firm:
HANSUNG INTELLECTUAL PROPERTY (KR)
Download PDF: