发明名称 |
Disazo sulfophenylpyrazolonestilbene dyes and direct dyes to color cellulose black |
摘要 |
New disazo sulphophenyl pyrazolone-sulpho stilbene compounds are useful as orange-hued dyes for cellulosic having excellent color stability over a wide pH range and when in aqueous solution are useful as liquid paper black dyes.
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申请公布号 |
US4490151(A) |
申请公布日期 |
1984.12.25 |
申请号 |
US19830549404 |
申请日期 |
1983.11.07 |
申请人 |
CROMPTON AND KNOWLES CORPORATION |
发明人 |
BRODE, DAVID A. |
分类号 |
C09B35/215;(IPC1-7):C09B29/00;C09B33/02 |
主分类号 |
C09B35/215 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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