Preparation agents

US6635694B1 · kind B1 · utility

Assignee

• Sachleben Chemie GmbH · DE

Inventors

• Franz Meyers · Charlotte, US
• Jügen Kastner · Bochum, DE
• Michael Wedler · Reutlingen, DE
• Peter Weiser · Duisburg, DE
• Jochen Winkler · Eßlingen, DE
• Wolf-Dieter Griebler · Moers, DE

Key dates

• Filing date: Apr 18, 2001
• Grant date: Oct 21, 2003
• Expiry date: Apr 18, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C01P2004/03
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

A processing aid for further processing in synthetic polymers comprising finely divided, inorganic pigments and/or fillers. Such processing aids can homogeneously be dispersed with little effort when the same are embedded in an organic substance.