| 发明名称 |
Förfarande för framställning av bestruket träfritt papper |
| 摘要 |
<p>The present invention relates to the use of calcium oxalate as a filler or pigment. In particular described herein is a method of reducing the combustion residue of coated paper or cardboard products by replacing at least a part of the conventional pigments and filler needed for achieving predetermined optical properties with calcium oxalate.</p> |
| 申请公布号 |
FI108950(B) |
申请公布日期 |
2002.04.30 |
| 申请号 |
FI19980000566 |
申请日期 |
1998.03.13 |
| 申请人 |
M-REAL OYJ, |
发明人 |
KETTUNEN,JYRKI;SILENIUS,PETRI |
| 分类号 |
D21H17/12;D21H17/67;D21H19/38;D21H19/42;D21H21/34;D21H27/20;(IPC1-7):D21H19/42 |
主分类号 |
D21H17/12 |
| 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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