inventor/creator：Yakai Feng, Steffen Kelch, Andreas lendlein
Paten number/application number：WO2007131893
application/authorized announcemen date：2007-5-4
brief introduction：

The invention relates to a multiblock copolymer with shape-memory properties and a synthetic precursor of the multiblock copolymer 1. The multiblock copolymer comprises: (i) a poly(depsipeptide) segment with an average molecular weight M_W in the range of 1,000 to 20,000 g/mol; and (ii) a poly(caprolactone) segment with an average molecular weight M_w in the range of 1,000 to 10,000 g/mol.