Pigment dispersions, their preparation, and dispersants

US8882904B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Anna Maria Mueller-Cristadoro · Ludwigshafen am Rhein, DE
• Frank Oliver Heinrich Pirrung · Ludwigshafen am Rhein, DE
• Frank Dietsche · Schriesheim, DE
• Guenter Scherr · Ludwigshafen, DE

Key dates

• Filing date: Jul 12, 2013
• Grant date: Nov 11, 2014
• Expiry date: Jul 12, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G2650/50
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Branched polyetheramine polyols with a Hazen color number (determined according to DIN ISO 6271) in the range of from 100 to 600 (APHA), based on a polycondensation product of at least one trialkanolamine.