Invention Grant
US07828934B2 Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems
有权
用于含亚硫酸盐离子的造纸系统中的干和湿强度剂的反应性阳离子树脂
- Patent Title: Reactive cationic resins for use as dry and wet strength agents in sulfite ion-containing papermaking systems
- Patent Title (中): 用于含亚硫酸盐离子的造纸系统中的干和湿强度剂的反应性阳离子树脂
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Application No.: US11304345Application Date: 2005-12-15
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Publication No.: US07828934B2Publication Date: 2010-11-09
- Inventor: Shane Cyr , Henk Bakker , Willem Marinus Stevels , Ronald Richard Staib
- Applicant: Shane Cyr , Henk Bakker , Willem Marinus Stevels , Ronald Richard Staib
- Applicant Address: US DE Wilmington
- Assignee: Hercules Incorporated
- Current Assignee: Hercules Incorporated
- Current Assignee Address: US DE Wilmington
- Agent Joanna Mary Fobare Rossi; Robert O'Flynn O'Brien
- Main IPC: D21H17/55
- IPC: D21H17/55 ; D21H21/20
Abstract:
This invention relates to resins useful for imparting strength to paper, the process of incorporating these resins into paper and the paper produced containing the resins. In particular the invention relates to resins useful for imparting dry-strength and wet-strength to paper under conditions of high sulfite ion concentrations.
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