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US07794532B2 Magenta dyes and their use in ink- jet printing 失效
洋红色染料及其在喷墨打印中的应用

Magenta dyes and their use in ink- jet printing
摘要:
A water-soluble dye of the Formula (1): D1-L-D2   Formula (1) wherein D1 and D2 each independently is an anthrapyridone, anthrapyrazole, anthrapyrimidine or anthrapyrimidone group; and L is a single covalent bond or a linking group which permits at least partial delocalisation of electrons between D1 and D2, compositions and inks containing the dye, and printing processes, printed material and ink-jet printer cartridges based on use of the dye.
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