| 发明名称 |
Formaldehyde condensates and their preparation |
| 摘要 |
Condensation products which are obtained from formaldehyde, di-hydroxyaryl sulphones, phenols, if desired, and hydroxyarylcarboxylic acids and are prepared in a one-stage reaction at pH values between 2 and 5 are suitable as fixing agents for basic dyestuffs.
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| 申请公布号 |
US4453002(A) |
申请公布日期 |
1984.06.05 |
| 申请号 |
US19820425038 |
申请日期 |
1982.09.27 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
MAURER, WERNER;ZIMMER, JOHANN;HAUS, ARTUR |
| 分类号 |
C08G8/00;C08G8/08;C08G8/24;D06P1/52;D06P1/56;D06P5/08;(IPC1-7):C07C147/10 |
主分类号 |
C08G8/00 |
| 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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