Hitachi Chemicals Transfers Thermoplastic Molding Material Business to UMG(29 Nov 2004) Hitachi Chemical Co., Ltd. concluded a basic agreement with UMG ABS, Ltd. on the transfer of Hitachi Chemical's thermoplastic molding material business to UMG.Hitachi Chemical has marketed acrylonitrile acrylate styrene (AAS) resins since 1970. AAS ...