发明名称 |
СПОСОБ ОЧИСТКИ СОПОЛИМЕРА 3-ГИДРОКСИАЛКАНОВОЙ КИСЛОТЫ |
摘要 |
The object of this invention is to provide a method for purifying PHA separated from PHA-containing microbial cells in high purity without incurring any serious decrease in molecular weight. <??>The present invention provides a method for purifying a 3-hydroxyalkanoic acid copolymer produced by a microorganism, which comprises treating an aqueous suspension containing the 3-hydroxyalkanoic acid copolymer separated from a microorganism with a hydrogen peroxide while controlling the pH of said aqueous suspension by adding an alkali either continuously or intermittently. |
申请公布号 |
RU2005113292(A) |
申请公布日期 |
2005.10.27 |
申请号 |
RU20050113292 |
申请日期 |
2003.09.30 |
申请人 |
КАНЕКА КОРПОРЕЙШН (JP) |
发明人 |
ОГАВА Норико (JP);МИЯМОТО Кендзи (JP);ОСАКАДА Фумио (JP);МАЦУМОТО Кейдзи (JP) |
分类号 |
C08G63/06;C08G63/90;C12P7/62 |
主分类号 |
C08G63/06 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|