Derivatives of tris(2-hydroxyphenyl)methane, their preparation and use

US8618321B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Marta Reinoso Garcia · Dossenheim, DE
• Günter Oetter · Bischofswerda, DE
• Vandana Kurkal-Siebert · Heidelberg, DE
• Björn Heinz · Mannheim, DE
• Christian Bittner · Bensheim, DE
• Markus Hansch · Speyer, DE
• Roman Benedikt Raether · Speyer, DE

Key dates

• Filing date: May 19, 2011
• Grant date: Dec 31, 2013
• Expiry date: Aug 6, 2031

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C41/03
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

New types of derivatives of tris(2-hydroxyphenyl)methanes which have, as functional groups, polyalkoxy groups or polyalkoxy groups modified with terminal hydrophilic groups, preparation of such compounds and their use, especially as surfactants and thickeners.