- 专利标题： Softwood kraft fiber having improved whiteness and brightness and methods of making and using the same technical field
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申请号： US15659178申请日： 2017-07-25
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公开(公告)号： US10294613B2公开(公告)日： 2019-05-21
- 发明人: Arthur J. Nonni , Charles E. Courchene , Philip R. Campbell , Steven C. Dowdle , Joel M. Engle , Christopher M. Slone
- 申请人： GP Cellulose GmbH
- 申请人地址： CH Zug
- 专利权人： GP Cellulose GmbH
- 当前专利权人： GP Cellulose GmbH
- 当前专利权人地址： CH Zug
- 代理机构： Finnegan, Henderson, Farabow, Garrett & Dunner, LLP
- 代理商 Jeffrey A. Freeman; Ram W. Sabnis
- 主分类号： D21C9/12
- IPC分类号： D21C9/12 ; D21C9/14 ; D21H11/04 ; D21C9/147
摘要：
A bleached softwood kraft pulp fiber with high alpha cellulose content and increased brightness and whiteness is provided. Methods for making the kraft fiber and products made from it are also described.
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