Invention Grant
US6022449A Paper finishing process using polyisocyanates with anionic groups and cationic compounds 失效
使用具有阴离子基团和阳离子化合物的多异氰酸酯的纸整理方法

Paper finishing process using polyisocyanates with anionic groups and
cationic compounds
Abstract:
The use of water-dispersible polyisocyanates with anionic and/or potentially anionic groups and cationic and/or potentially cationic compounds in paper finishing leads not only to higher retention but also to improved dry and wet strength and sizing.
Information query
Patent Agency Ranking
0/0