| 发明名称 |
Method for the production of poly-o-hydroxyamides |
| 摘要 |
A method for producing poly-o-hydroxy amides by heating a dicarboxylic acid to a temperature >/=80 DEG C., together with a sulfonic acid chloride and a tertiary amine in a suitable solvent, to form a reaction mixture and reacting the mixture obtained with a bis-o-aminophenol solution at a temperature <80 DEG C.
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| 申请公布号 |
US5750638(A) |
申请公布日期 |
1998.05.12 |
| 申请号 |
US19960666177 |
申请日期 |
1996.06.19 |
| 申请人 |
SIEMENS AKTIENGESESLLSCHAFT |
发明人 |
SEZI, RECAI;AHNE, HELLMUT;GESTIGKEIT, ROLAND |
| 分类号 |
C08G69/44;C08G69/04;C08G69/26;C08G73/22;G03F7/023;G03F7/037;(IPC1-7):C08G69/08;C08G73/10 |
主分类号 |
C08G69/44 |
| 代理机构 |
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代理人 |
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| 主权项 |
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