公开(公告)号：US10160825B2

公开(公告)日：2018-12-25

申请号：US14918852

申请日：2015-10-21

Applicant: Samsung Electronics Co., Ltd.

Inventor： Inki Kim ,  Kyunghae Lee ,  Mooho Lee ,  Kwangmyung Cho

IPC: C08G18/73 ,  C08G18/32 ,  C08J5/00 ,  C08G18/38 ,  C08L67/04 ,  C08L75/04 ,  C08G18/34 ,  C08G18/60 ,  C08G18/76

Abstract: A polyurethane elastomer including a polymerization product of an amide group-including compound, a polyol compound, a polybasic acid compound, and a diisocyanate compound, a thermoplastic resin composition including the polyurethane elastomer, a molded article made of the thermoplastic resin composition, and a method of preparing the polyurethane elastomer.

公开(公告)号：US20150259311A1

公开(公告)日：2015-09-17

申请号：US14656427

申请日：2015-03-12

Applicant: Samsung Electronics Co., Ltd.

Inventor： Kyunghae Lee ,  Mooho Lee ,  Jun Chwae ,  Jinhwan Park ,  Jongmin Lee ,  Kwangmyung Cho ,  Jaechan Park

IPC: C07D307/33

CPC classification number: C07D307/33

Abstract: A method of producing lactone by converting an aqueous solution including hydroxycarboxylic acid or dicarboxylic acid to lactone under an acid condition and in the presence of a water immiscible solvent.

Abstract translation: 通过在酸性条件下和在水不混溶溶剂的存在下将包含羟基羧酸或二羧酸的水溶液转化为内酯来制备内酯的方法。