发明名称 |
Process for improving printing paper |
摘要 |
A process for improving gravure and offset printability of coated and uncoated printing papers by increasing filler share in the paper on the top and bottom sides or in the outer layers of the paper web by using a retention agent, and providing the outerlayers of the fiber bearing liquid forming the paper web with additional retention agent before or during sheet formation on or between the wires of the paper making machine.
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申请公布号 |
US6251223(B1) |
申请公布日期 |
2001.06.26 |
申请号 |
US19990214725 |
申请日期 |
1999.01.11 |
申请人 |
STORA PUBLICATION PAPER AG |
发明人 |
KESSLER HANSJOERG;HORAND DIETER;FRIESEN WOLFRAM |
分类号 |
D21H17/29;D21H17/32;D21H17/37;D21H17/55;D21H17/56;D21H21/10;D21H23/76;(IPC1-7):D21H23/04;D21H23/28 |
主分类号 |
D21H17/29 |
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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