发明授权
- 专利标题： Filler for papermaking process
- 专利标题（中）： 造纸工艺填料
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申请号： US11018915申请日： 2004-12-21
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公开(公告)号： US09156990B2公开(公告)日： 2015-10-13
- 发明人: Peter Marten Van Der Horst , Erik Sanne , Kjell Rune Andersson , Cherryleen Garcia-Lindgren , Marie-Louise Wallberg , Sune Wännström
- 申请人： Peter Marten Van Der Horst , Erik Sanne , Kjell Rune Andersson , Cherryleen Garcia-Lindgren , Marie-Louise Wallberg , Sune Wännström
- 申请人地址： SE Bohus
- 专利权人： EKA CHEMICALS AB
- 当前专利权人： EKA CHEMICALS AB
- 当前专利权人地址： SE Bohus
- 代理商 Alice C. Su
- 主分类号： C09C1/02
- IPC分类号： C09C1/02 ; D21H17/69 ; D21H17/26 ; D21H17/67
摘要：
The present invention relates to a filler comprising calcium salt and cellulose derivative having a degree of substitution of net ionic groups up to about 0.65, wherein the filler is substantially free from fibers or fibrils of cellulose or lignocellulose. The invention also relates to a filler comprising calcium salt and a cellulose derivative having a degree of substitution of net ionic groups up to about 0.65, wherein the cellulose derivative contains cationic groups.
公开/授权文献
- US20050155520A1 Filler for papermaking process 公开/授权日：2005-07-21
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