公开(公告)号：US11186569B2

公开(公告)日：2021-11-30

申请号：US16759756

申请日：2018-12-14

申请人： Archroma IP GmbH

发明人： Cristina Dominguez ,  Andrew Jackson ,  David Atkinson ,  Meral Ilhan ,  Marc Bukowski

IPC分类号： C07D403/12 ,  D21H17/09 ,  D21H21/32

摘要： 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：US11866525B2

公开(公告)日：2024-01-09

申请号：US17275116

申请日：2019-09-13

申请人： Archroma IP GmbH

发明人： Cristina Dominguez ,  Damien Julien Corpet ,  Andrew Jackson ,  David Atkinson

IPC分类号： C08F2/26 ,  C08F2/44 ,  C08F212/08 ,  C08F220/16 ,  C08K5/42 ,  C08F220/18 ,  C08F4/04 ,  C08F218/08 ,  C08F220/06 ,  C08F220/14 ,  C08F220/56 ,  C08F228/02 ,  D21H19/58

CPC分类号： C08F2/26 ,  C08F2/44 ,  C08F4/04 ,  C08F212/08 ,  C08F218/08 ,  C08F220/06 ,  C08F220/14 ,  C08F220/1804 ,  C08F220/56 ,  C08F228/02 ,  C08K5/42 ,  D21H19/58

摘要： 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：US20200331895A1

公开(公告)日：2020-10-22

申请号：US16759756

申请日：2018-12-14

申请人： Archroma IP GmbH

发明人： Cristina Dominguez ,  Andrew Jackson ,  David Atkinson ,  Meral Ilhan ,  Marc Bukowski

IPC分类号： C07D403/12 ,  D21H17/09 ,  D21H21/32

摘要： 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：US09868858B2

公开(公告)日：2018-01-16

申请号：US14778101

申请日：2014-03-21

申请人： ARCHROMA IP GMBH

发明人： David Atkinson ,  Cristina Dominguez ,  Andrew Jackson

IPC分类号： D21H21/30 ,  C09B23/14 ,  C07D251/68 ,  D06P5/30 ,  C09K11/06 ,  D21H17/09 ,  D06L4/65

CPC分类号： C09B23/148 ,  C07D251/68 ,  C09K11/06 ,  C09K2211/1059 ,  D06L4/65 ,  D06P5/30 ,  D21H17/09 ,  D21H21/30

摘要： The instant invention relates to mixtures of stilbene compounds which provide superior fluorescent whitening effects when applied to the surface of ink-jet papers.