Process for grafting of nitrogen containing polymers and polymers obtained thereby

US5556708A · kind A · utility

Assignee

• Sartorius AG · DE

Inventors

• Hans-Heinrich Horl · Bovenden, DE
• Dietmar Nussbaumer · Göttingen, DE
• Eberhard Wunn · Höchberg, DE

Key dates

• Filing date: Jul 1, 1994
• Grant date: Sep 17, 1996
• Expiry date: Jul 1, 2014

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y10T428/31909
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

There is disclosed a method for grafting unsaturated monomers to nitrogen-containing polymers in an aqueous environment and in the presence of carbon tetrachloride and certain reducing agents.