Invention Application
US20080041541A1 Uso of Cyclodextrin for Reducing Yellowing of Pulp and Paper
审中-公开
用于减少纸浆和纸张黄化的环糊精Uso
- Patent Title: Uso of Cyclodextrin for Reducing Yellowing of Pulp and Paper
- Patent Title (中): 用于减少纸浆和纸张黄化的环糊精Uso
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Application No.: US11571638Application Date: 2005-07-07
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Publication No.: US20080041541A1Publication Date: 2008-02-21
- Inventor: Greg DeLozier , Kim Bloomfield , Jing Luo , Hui Xu
- Applicant: Greg DeLozier , Kim Bloomfield , Jing Luo , Hui Xu
- Applicant Address: US NC Franklinton 27525
- Assignee: Novozymes North America, Inc.
- Current Assignee: Novozymes North America, Inc.
- Current Assignee Address: US NC Franklinton 27525
- International Application: PCT/US05/24156 WO 20050707
- Main IPC: D21H17/28
- IPC: D21H17/28 ; D21C5/02
Abstract:
The present invention relates the problem of color formation during paper production resulting in yellowing/brightness reversion of the pulp or the paper. This yellowing/brightness reversion can be reduced by the method of the present invention, which method relates to reducing yellowing of pulp and paper comprising adding or generating cyclodextrin to the pulp before or during washing.
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