发明授权
- 专利标题： Water-soluble azo compounds and process for producing the same
- 专利标题（中）： 水溶性偶氮化合物及其制备方法
-
申请号： US254949申请日： 1999-03-22
-
公开(公告)号： US6020470A公开(公告)日： 2000-02-01
- 发明人: Ryuzo Ueno , Masaya Kitayama , Kenji Minami , Masaharu Kittaka
- 申请人： Ryuzo Ueno , Masaya Kitayama , Kenji Minami , Masaharu Kittaka
- 申请人地址： JPX Osaka
- 专利权人： Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
- 当前专利权人： Kabushiki Kaisha Ueno Seiyaku Oyo Kenkyujo
- 当前专利权人地址： JPX Osaka
- 优先权： JPX9-232887 19970828
- 主分类号： C09B62/008
- IPC分类号： C09B62/008 ; C09B62/085 ; C09B62/245 ; D06P1/382
摘要：
The present invention provides novel water-soluble azo compounds derived from 2-hydroxynaphthalene-3,6-dicarboxylic acid or derivatives thereof and diazonium salts having sulfo group(s). These compounds are useful as raw materials for dyes having excellent dyeing properties and fastness.
公开/授权文献
- US5501543A Quick locking device for axial locking 公开/授权日：1996-03-26
信息查询
