| 摘要 |
<p>of the disclosure: Novel copper complex formazan compounds of the formula (-) M(+) in which M and R are as defined and process for their manufacture. The compounds can be used as dyestuffs, in particular fiber reactive dyestuffs, for dyeing, for example, cellulose fiber materials, wool, or synthetic polyamide fiber materials, on which they give intense blue dyeings having good fastness properties.</p> |
