Invention Grant
- Patent Title: Softwood kraft fiber having an improved α-cellulose content and its use in the production of chemical cellulose products
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Application No.: US14766316Application Date: 2014-02-06
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Publication No.: US10151064B2Publication Date: 2018-12-11
- Inventor: Arthur J. Nonni , Charles E. Courchene , Philip Reed Campbell , Steven Chad Dowdle , Joel Mark Engle , Blair Roderick Carter , Christopher M. Slone
- Applicant: GP CELLULOSE GMBH
- Applicant Address: CH Zug
- Assignee: GP Cellulose GmbH
- Current Assignee: GP Cellulose GmbH
- Current Assignee Address: CH Zug
- Agency: Finnegan, Henderson, Farabow, Garrett & Dunner L.L.P.
- Agent Jeffrey A. Freeman; Ram W. Sabnis
- International Application: PCT/IB2014/000680 WO 20140206
- International Announcement: WO2014/122533 WO 20140814
- Main IPC: D21C9/16
- IPC: D21C9/16 ; D21C9/147 ; D21C9/10 ; D21C3/02 ; D21C3/24 ; D21C9/14
Abstract:
A bleached softwood kraft pulp fiber with high α-cellulose content and a low CED viscosity is provided, A surfactant treated fiber useful in the production of chemical derivatives is also described. Methods for making the kraft pulp fiber and products made from it are also described.
Public/Granted literature
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