发明申请
- 专利标题: Paper and paper articles and method for making same
- 专利标题(中): 纸和纸制品及其制作方法
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申请号: US10437856申请日: 2003-05-14
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公开(公告)号: US20060231227A1公开(公告)日: 2006-10-19
- 发明人: Richard Williams , Peter Froass
- 申请人: Richard Williams , Peter Froass
- 主分类号: D21H17/00
- IPC分类号: D21H17/00 ; B32B27/00
摘要:
This invention relates to a paper material containing cellulosic fibers and from about 0.1 to about 6.0 wt % by weight dry basis expandable microspheres and a density of at least about 6.0 lb/3000 ft2/mil and articles formed there from such as file folders.
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