Water-soluble and biodegradable copolymers on a polyamide basis and use thereof

US8124670B2 · kind B2 · utility

Assignee

• BASF CONSTRUCTION POLYMERS GmbH · DE

Inventors

• Martin Matzinger · Madison, US
• Roland Reichenbach-Klinke · Traunstein, DE
• Gregor Keilhofer · Tacherting, DE
• Johann Plank · Kelheim, DE
• Christian Spindler · Günzburg, DE

Key dates

• Filing date: Aug 9, 2007
• Grant date: Feb 28, 2012
• Expiry date: Nov 9, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C04B2111/00724
• WIPO field: Materials, metallurgy
• WIPO sector: Chemistry

Abstract

Copolymers based on a polyamide containing at least one graft lateral chain consisting of ethylenic unsaturated compounds, in construction chemistry, as well as with the prospecting, exploiting and completion of oil-and gas deposits and with deep bore holes.