Method of reducing the availability of heavy metals in plants and the use of cross linked poly(meth)acrylates in said method

US6733559B1 · kind B1 · utility

Assignee

• Stockhausen GmbH · DE

Inventors

• Aloys Hüttermann · Göttingen, DE
• Moitoba Zomorrodi · Göttingen, DE

Key dates

• Filing date: Jan 22, 2001
• Grant date: May 11, 2004
• Expiry date: Jan 22, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C05G3/80
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A process for reducing plant availability of heavy metals in substrates such as soils wherein the substrates treated with cross-linked polymethacrylates. The poly (meth)acrylates can be worked into the soils.