Color converter

US9406848B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Martin Koenemann · Ludwigshafen, DE
• Gerhard Wagenblast · Wachenheim, DE
• Robert Send · Karlsruhe, DE
• Sorin Ivanovici · Ludwigshafen, DE
• Gerardus De Keyzer · Riehen, CH

Key dates

• Filing date: Jun 8, 2012
• Grant date: Aug 2, 2016
• Expiry date: Nov 12, 2032

Classification

• Technology area (CPC Y): Emerging Cross-Sectional Technologies
• CPC primary: Y02E10/52
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Color converter comprising at least one polymer and at least one organic fluorescent dye comprising at least one structural unit of the formula (I) where the structural unit may be mono- or polysubstituted by identical or different substituents and where one or more CH groups of the six-membered ring of the benzimidazole structure shown may be replaced by nitrogen.