Kazunori Kataoka,Ronald James Christie,Nobuhiro Nishiyama,Kanjiro Miyata,Shigeto Fukushima,Yu Matsumoto,Takahiro Nomoto,Yasuki Kato
申请号：
US13979546
公开号：
US09278075B2
申请日:
2012.01.16
申请国别(地区):
US
年份:
2016
代理人:
摘要：
A composition of matter for use in encapsulating a drug is expressed by formula (1) or formula (2):wherein R1 and R2 are each independently a hydrogen atom or a substituted or unsubstituted, linear or branched alkyl group having 1 to 12 carbon atoms A is a hydrophilic polymer chain L1 and L3 are each a linking group B is a cation-containing group R3 is a side chain of an amino acid z is an integer of 5 to 500 x is an integer of 40% or more of z y is 0 or a positive integer z-x-y is 0 or a positive integer p is an integer of 1 to 10 and q is an integer of 1 to 10.
