Patent Number: 6,884,875

Title: Reactive blue dye containing a vinyl sulphone group

Abstract: The present invention relates to a reactive blue dye, and more particularlyto a reactive blue dye represented by the following Formula 1, which iseffective in black dyeing or printing of polyamide textiles, inparticular, nylon fiber,##STR1##wherein M is a hydrogen atom or an alkali metal atom.The blue dye of the present invention offers superior color yield,reactivity, fixing efficiency, light fastness, and washing fastness,substantivity, and superior cleaning properties over unfixed dyes.

Inventors: Oh; Sea-Wha (Daejeon, KR), Kim; Young-Suk (Daejeon, KR), Kim; Jinsoo (Daejeon, KR), Kim; Tae Kyung (Daejeon, KR), Kim; Sun Il (Daejeon, KR)


International Classification: C09B 62/44 (20060101); C09B 62/513 (20060101); C09B 062/613 ()

Expiration Date: 04/26/2013