| 发明名称 |
Filler for use in paper manufacture and procedure for producing a filler |
| 摘要 |
The invention relates to a filler used in paper manufacture and mainly consisting of calcium carbonate, and to a procedure for producing the filler. The filler consists of porous aggregates formed by precipitated calcium carbonate particles. In the procedure, calcium carbonate is precipitated.
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| 申请公布号 |
US2002084050(A1) |
申请公布日期 |
2002.07.04 |
| 申请号 |
US20010033678 |
申请日期 |
2001.12.27 |
| 申请人 |
M-REAL CORPORATION |
发明人 |
SILENIUS PETRI;LESKELA MARKKU |
| 分类号 |
C01F11/18;C09C1/00;C09C1/02;D21H17/25;D21H17/67;D21H17/69;(IPC1-7):D21H17/63;D21H17/70 |
主分类号 |
C01F11/18 |
| 代理机构 |
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代理人 |
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| 主权项 |
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