| 发明名称 |
ADDITIVES FOR PAPER |
| 摘要 |
<p>Additives used for increasing the retention of fibers and fillers in the production of paper and in the treatment of sewage, the additives being copolymers of 85-95 % by weight of Mannichbases of (meth)acrylamide carrying at least one hydroxyalkyl group or being derived from heterocyclic sec. amines and 15-5 % by weight of tertiary or quaternary aminoalkyl(meth)acrylates.</p> |
| 申请公布号 |
CA1031096(A) |
申请公布日期 |
1978.05.09 |
| 申请号 |
CA19740208901 |
申请日期 |
1974.09.10 |
| 申请人 |
BAYER AKTIENGESELLSCHAFT |
发明人 |
SACKMANN, GUENTER;KOLB, GUENTER;MUELLER, FRIEDHELM |
| 分类号 |
B01D21/01;D21H17/00;D21H17/37;D21H17/45;(IPC1-7):08F216/36 |
主分类号 |
B01D21/01 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
