Polymer

US6207283A · kind A · utility

Assignee

• Agfa-Gevaert NV · BE

Inventors

• Peter Bell · Neunburg vorm Wald, DE
• Gunter Helling · Siegburg, DE
• Beate Weber · Leichlingen, DE
• Ralf Buscher · Lohmar, DE
• Lothar Endres · Bensberg, DE
• Lothar Rosenhahn · Neunburg vorm Wald, DE
• Rainer Scheerer · Neunburg vorm Wald, DE
• Lydia Simon · Uerdingen, DE
• Thomas Stetzer · Langenfeld, DE

Key dates

• Filing date: Nov 3, 1998
• Grant date: Mar 27, 2001
• Expiry date: Nov 3, 2018

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31768
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A polymer of the formula (I): ##STR1## in which PA1 X.sub.1 means H or (R.sub.1).sub.1+1 --L.sub.1 CO--, PA1 X.sub.2 means --(L.sub.2).sub.m --OH or ##STR2## PA1 R.sub.1 means --COO.sup.- M.sup.+, --SO.sub.3.sup.- M.sup.+ or (M.sup.+).sub.2 PO.sub.3.sup.2-, PA1 L.sub.1 means alkylene, arylene, aralkylene or cycloalkylene, PA1 L.sub.2 means the residue of a polyether having an average molecular weight of 200 to 3000 (number average), PA1 M.sup.+ means a cation, PA1 l means a number from 0 to 4, PA1 m means a number 0 or 1 and PA1 n means a number from 0 to 20, wherein PA1 m+n is .gtoreq.1.