公开(公告)号：US20180201569A1

公开(公告)日：2018-07-19

申请号：US15744687

申请日：2016-08-24

Applicant: LG Chem, Ltd. ,  Korea Advanced Institute of Science and Technology

Inventor： Dongsu SONG ,  Daesung KIM ,  Wonjae LEE ,  Yongjin CHOE ,  Hyunjoo LEE ,  Minsu KIM

IPC: C07C67/40 ,  B01J23/52 ,  B01J35/02

CPC classification number: C07C67/40 ,  B01J23/52 ,  B01J23/66 ,  B01J35/023 ,  B01J37/0211 ,  B01J37/031 ,  B01J37/16 ,  B01J37/34 ,  C07C67/48 ,  C07C67/62 ,  C07C69/54

Abstract: The present disclosure relates to a catalyst used in the preparation of acrylic acid and acrylic acid preparation method using the same, and more specifically, discloses a catalyst capable of enhancing selectivity of acrylic acid and a production yield of acrylic acid when preparing acrylic acid from allyl alcohol using a heterogeneous catalyst including bimetallic alloy catalyst particles of gold and another metal, and an acrylic acid preparation method using the same.

公开(公告)号：US20200253358A1

公开(公告)日：2020-08-13

申请号：US16758497

申请日：2018-12-11

Applicant: LG CHEM, LTD. ,  LG HOUSEHOLD & HEALTH CARE LTD.

Inventor： Minsung PARK ,  Haesung YUN ,  Juhan KIM ,  Wonjae LEE ,  Kwang Seoung JEON ,  Seul Gi KANG ,  Seung Min OH ,  Ji Ung PARK

IPC: A45D44/00 ,  A61K8/02

Abstract: Provided are a method for manufacturing a mask pack for heavy metal adsorption comprising immersing a cellulose nonwoven fabric in an alkali solution by a cold pad batch method and then aging the cellulose nonwoven fabric at room temperature for 10 minutes to 50 minutes, and immersing the cellulose nonwoven fabric in a carboxymethylation solution by the cold pad batch method and then aging the cellulose nonwoven fabric at room temperature to 60° C. for 10 minutes to 3 hours, and a mask pack for heavy metal adsorption manufactured by the method.