A shape memory polymer resin, consisting essentially of a block copolymer having an A-B-A block structure in the polymer chain, and having a weight average molecular weight within the range of 10,000 to 1,000,000, wherein...http://www.google.de/patents/US5189110?utm_source=gb-gplus-sharePatent US5189110 - Shape memory polymer resin, composition and the shape memorizing molded product thereof
