| 发明名称 |
Paper sizing process. |
| 摘要 |
<p>In the paper sizing in which synthetic cellulose-reactive sizing agents and calcium carbonate as the filler are used, the aluminum polyhydroxychloride of formula: Al2(OH)6-xClx . nH2O wherein 0.96</= x </=6 and n = 2x has an excellent retention effect.</p> |
| 申请公布号 |
EP0133902(A2) |
申请公布日期 |
1985.03.13 |
| 申请号 |
EP19840107521 |
申请日期 |
1984.06.28 |
| 申请人 |
PRODECO S.P.A. |
发明人 |
SPINA, NICOLA;ISOLATI, ANTONIO |
| 分类号 |
D21H17/63;D21H17/66;D21H17/67;(IPC1-7):D21D3/00 |
主分类号 |
D21H17/63 |
| 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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