| 发明名称 |
AQUEOUS SULFOMETHYLATED MELAMINE GEL-FORMING COMPOSITIONS |
| 摘要 |
<p>AQUEOUS SULFOMETHYLATED MELAMINE GEL-FORMING COMPOSITIONS Aqueous gel-forming compositions are prepared by reacting for 1-10 hours at 50-95.degree.C, melamine, formaldehyde and a sulfurous acid salt with the optional addition of a gel-modifying agent and/or a gelling agent which is added to the composition immediately prior to use.</p> |
| 申请公布号 |
CA1261607(A) |
申请公布日期 |
1989.09.26 |
| 申请号 |
CA19860511834 |
申请日期 |
1986.06.18 |
| 申请人 |
PFIZER INC. |
发明人 |
MELTZ, CLIFFORD N.;GRUETZMACHER, GORDON D.;CHANG, PING W. |
| 分类号 |
C08L61/32;C07D251/70;C08G12/40;C08G12/46;C08L61/00;C08L61/20;C09K8/04;C09K8/508;C09K8/88;(IPC1-7):E21B43/22 |
主分类号 |
C08L61/32 |
| 代理机构 |
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