Patent · US Expired

Acrylic-acid-based homopolymers comprising taurine modified for the treatment of water

US7459513B2 · kind B2 · utility

1Cited by

8References

4Claims

0Family size

Assignee

BASF SE

Inventors

Marcus Guzmann · Bad Windsheim, DE
Karl-Heinz Buechner · Ottersheim, DE
Pia Baum · Weinheim, DE
Gregor Brodt · Heppenheim, DE

Key dates

Filing date	Nov 5, 2004
Grant date	Dec 2, 2008
Priority date	—
Expiry date	Nov 5, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08F2800/20
WIPO fieldEnvironmental technology
WIPO sectorChemistry

Abstract

A description is given of (meth)acrylic acid copolymers containing methacrylic acid units, the polymer being functionalized with aminoalkylsulfonic acid. In addition, a description is given of a process for preparation thereof and use thereof for water treatment, scale inhibition in petroleum production and corrosion inhibition in aqueous systems.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.