发明名称 |
Method of making paper |
摘要 |
The disclosure relates to a method for making coated or uncoated paper that has small sized calcium carbonate on its surface. The calcium carbonate is placed on the paper web at the size press, by a spray or at a coating operation. The calcium carbonate can have a maximum mean average size of 200 nm. Another embodiment has a maximum mean average size of 100 nm. Another embodiment has a maximum mean average size of 50 nm. Different weight levels may be placed on the paper.
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申请公布号 |
EP1548187(A2) |
申请公布日期 |
2005.06.29 |
申请号 |
EP20040257802 |
申请日期 |
2004.12.15 |
申请人 |
WEYERHAEUSER COMPANY |
发明人 |
DOUGHERTY, MICHAEL J.;PARK, DAVID W.;NEOGI, AMAR N. |
分类号 |
D21H19/38;D21H17/63;D21H17/66;D21H17/67;D21H19/36;D21H21/16;D21H21/52;D21H23/22;D21H23/28;D21H23/50;(IPC1-7):D21H19/38 |
主分类号 |
D21H19/38 |
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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