Synonyms: 1,3-Propanediol-succinicacid copolymer, SRU; 1,3-Propanediol-succinic acid polymer, SRU; Diethylsuccinate monoester with 1,2-propanediol homopolymer, SRU; Dimethylsuccinate-1,3-propylene diol copolymer, sru; Dimethyl succinate-trimethyleneglycol copolymer, SRU; Poly(trimethylene succinate); Succinic acid-trimethyleneglycol copolymer SRU