Temperature and pH sensitive copolymers

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专利权人:

Yi Yan Yang

发明人:

Yi Yan Yang,Kumaresh Soppimath

申请号：

US11942672

公开号：

US08541013B2

申请日:

2007.11.19

申请国别(地区):

US

年份:

2013

代理人:

摘要：

The invention is directed to a copolymer comprising at least three types of monomeric units, said three types of monomeric units comprising:a temperature-sensitive unit,a hydrophilic unit, anda hydrophobic unit comprising at least one pH-sensitive moietywherein said hydrophobic monomeric unit is derived from a copolymerizable unsaturated fatty acid.

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