| 发明名称 |
PROCESS OF STABILIZING THE VISCOSITY & STRENGTH OF PULPS |
| 摘要 |
A process is described in which the viscosity and strength of pulps obtained by the addition of formamidine sulfinic acid is stabilized following processing with ozone or ozone/oxygen, to a level that is achieved by conventional bleaching processes that involve the use of chlorine.
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| 申请公布号 |
CA2021392(A1) |
申请公布日期 |
1991.01.19 |
| 申请号 |
CA19902021392 |
申请日期 |
1990.07.17 |
| 申请人 |
SUSS, HANS U.;EUL, WILFRIEDE |
发明人 |
SUSS, HANS U.;EUL, WILFRIEDE |
| 分类号 |
D21C9/10;D21C9/153;D21H17/00;(IPC1-7):D21H17/09 |
主分类号 |
D21C9/10 |
| 代理机构 |
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