公开(公告)号：US20190194470A1

公开(公告)日：2019-06-27

申请号：US16232607

申请日：2018-12-26

Applicant: OCI COMPANY LTD.

Inventor： Jae-Seok LEE ,  Jae-Heung PARK ,  Su-Jin SON

IPC: C09C1/50 ,  C09C1/56 ,  C09C1/60

CPC classification number: C09C1/50 ,  C01P2004/50 ,  C01P2006/12 ,  C01P2006/40 ,  C09C1/565 ,  C09C1/60

Abstract: The present invention generally relates to a method for preparing a carbon black of high resistivity through the surface treatment of the carbon black which exhibits conductivity, and a carbon black prepared by this method.

公开(公告)号：US20190161621A1

公开(公告)日：2019-05-30

申请号：US16203952

申请日：2018-11-29

Applicant: OCI COMPANY LTD.

Inventor： Jae-Seok LEE

IPC: C09C1/56 ,  C09C1/50

Abstract: The present invention relates to a method for oxidizing a carbon black which can prevent or alleviate change in the surface oxidation degree of the carbon black by a residual ozone after surface oxidation reforming, and a method for preparing the carbon black by comprising it in a single continuous process.