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
- Patent Title: Paper finishing process using polyisocyanates with anionic groups and cationic compounds
- Patent Title (中): 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
-
Application No.: US973066Application Date: 1997-11-25
-
Publication No.: US6022449APublication Date: 2000-02-08
- Inventor: Bernhard Jansen , Joachim Konig , Peter Nowak
- Applicant: Bernhard Jansen , Joachim Konig , Peter Nowak
- Applicant Address: DEX Leverkusen
- Assignee: Bayer Aktiengesellschaft
- Current Assignee: Bayer Aktiengesellschaft
- Current Assignee Address: DEX Leverkusen
- Priority: DEX19520092 19950601
- Main IPC: C08G18/32
- IPC: C08G18/32 ; C08G18/08 ; D21H17/08 ; D21H17/46 ; D21H23/76 ; D21H21/20 ; D21H23/50
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.
Public/Granted literature
- US5236722A Composition and method of production of a beverage for human consumption Public/Granted day:1993-08-17
Information query