公开(公告)号：CA855520A

公开(公告)日：1970-11-10

申请号：CA855520D

Applicant: DEGUSSA

Inventor： ENGEL CLAUS R ,  FLASSKAMP WILLI ,  HAAS GUSTAV ,  BROFT EDUARD ,  THIEL OTTO ,  LINKE HEINZ ,  WELLENSIEK GERD ,  WILM DIEDERICH

公开(公告)号：RO70924A

公开(公告)日：1982-08-17

申请号：RO8124075

申请日：1975-01-24

Applicant: DEGUSSA

Inventor： OELMANN ALFRED ,  ENGEL CLAUS R ,  ROTHBUHR LOTHAR

IPC: C09C1/48

Abstract: Deeply colored carbon black having a low content of extractable matter and a primary particle size of about 8-25 nanometers is made by the gas black process using as the carrier gas for the vapors of the carbon black forming oil a hydrogen rich mixture containing over about 50 volume % hydrogen and then collecting the separated carbon black deposited on a cooling roll.