Invention Grant
- Patent Title: Yellow anionic disazo dyes
- Patent Title (中): 黄色阴离子双偶氮染料
-
Application No.: US10517410Application Date: 2003-05-27
-
Publication No.: US07341607B2Publication Date: 2008-03-11
- Inventor: Michael Lennartz , Adolf Käser , Sandra Weiss
- Applicant: Michael Lennartz , Adolf Käser , Sandra Weiss
- Applicant Address: US NY Tarrytown
- Assignee: Ciba Specialty Chemicals Corp.
- Current Assignee: Ciba Specialty Chemicals Corp.
- Current Assignee Address: US NY Tarrytown
- Agent Tyler A. Stevenson
- Priority: EP02405456 20020606
- International Application: PCT/EP03/05561 WO 20030527
- International Announcement: WO03/104333 WO 20031218
- Main IPC: C09B35/28
- IPC: C09B35/28 ; C09B31/11 ; C09B31/14
Abstract:
The present invention relates to novel yellow anionic dyes, a process for their preparation, certain novel intermediates for their preparation and the use of these dyes for dyeing natural or synthetic materials, in particular, paper.
Public/Granted literature
- US20050172420A1 Yellow anionic disazo dyes Public/Granted day:2005-08-11
Information query
