发明授权
US07132516B2 Mono-or bisazo copper complex dyestuffs 失效
单或双偶氮铜络合物染料

Mono-or bisazo copper complex dyestuffs
摘要:
This invention relates to coppered azo dyestuffs containing an alkyl-, aryl or alkoxyalkyl sulfamyl group on one moiety of the molecule and an alkyl-, aryl or alkoxyalkyl ammonium sulfonate or carboxylate group on the other moiety. The invention also relates to various intermediates, to compositions and to processes for preparing the metalized dyestuffs. The compounds are particularly suited for the application in laquers, ink-jet inks and electrographic toners.
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