公开(公告)号：WO2020053405A1

公开(公告)日：2020-03-19

申请号：PCT/EP2019/074522

申请日：2019-09-13

Applicant: ARCHROMA IP GMBH

Inventor： DOMINGUEZ, Cristina ,  CORPET, Damien Julien ,  JACKSON, Andrew ,  ATKINSON, David

IPC: C08F2/22 ,  C08F2/26 ,  C08F2/44 ,  C08F4/04 ,  C08F220/18 ,  C08K5/00 ,  C08K5/42

Abstract: The present invention relates to a method of preparing an aqueous composition by emulsion polymerization of at least one ethylenically unsaturated monomer in the presence of at least one water-soluble diaminostilbene disulphonic optical brightener, as well as to the aqueous composition obtainable by said method, the use of said aqueous composition for optically brightening of a cellulosic substrate and the cellulosic substrate treated with the aqueous composition.

公开(公告)号：WO2019121411A1

公开(公告)日：2019-06-27

申请号：PCT/EP2018/085029

申请日：2018-12-14

Applicant: ARCHROMA IP GMBH

Inventor： DOMINGUEZ, Cristina ,  JACKSON, Andrew ,  ATKINSON, David ,  ILHAN, Meral ,  BUKOWSKI, Marc

IPC: D21C9/00 ,  D21C9/10 ,  D21H17/09 ,  D21H21/32

Abstract: The invention relates to an optical brightener for whitening and brightening of paper, board, textiles and non-wovens, a process for manufacturing said optical brightener, the use of said brightener in paper making processes and a process for whitening paper.

公开(公告)号：EP3850016A1

公开(公告)日：2021-07-21

申请号：EP19766031.9

申请日：2019-09-13

Applicant: Archroma IP GmbH

Inventor： DOMINGUEZ, Cristina ,  CORPET, Damien Julien ,  JACKSON, Andrew ,  ATKINSON, David

IPC: C08F2/22 ,  C08F2/26 ,  C08F2/44 ,  C08F4/04 ,  C08F220/18 ,  C08K5/00 ,  C08K5/42

公开(公告)号：EP3623392A1

公开(公告)日：2020-03-18

申请号：EP18194527.0

申请日：2018-09-14

Applicant: Archroma IP GmbH

Inventor： DOMINGUEZ, Cristina ,  CORPET, Damien Julien ,  JACKSON, Andrew ,  ATKINSON, David

IPC: C08F2/22 ,  C08F2/26 ,  C08F2/44 ,  C08F4/04 ,  C08F220/18 ,  C08K5/00 ,  C08K5/42

Abstract: The present invention relates to a method of preparing an aqueous composition by emulsion polymerization of at least one ethylenically unsaturated monomer in the presence of at least one water-soluble diaminostilbene disulphonic optical brightener, as well as to the aqueous composition obtainable by said method, the use of said aqueous composition for optically brightening of a cellulosic substrate and the cellulosic substrate treated with the aqueous composition.

公开(公告)号：EP3710632A1

公开(公告)日：2020-09-23

申请号：EP18816080.8

申请日：2018-12-14

Applicant: Archroma IP GmbH

Inventor： DOMINGUEZ, Cristina ,  JACKSON, Andrew ,  ATKINSON, David ,  ILHAN, Meral ,  BUKOWSKI, Marc

IPC: D21C9/00 ,  D21C9/10 ,  D21H17/09 ,  D21H21/32