Patent · US Active

Color converter

US10230023B2 · kind B2 · utility

3Cited by

5References

3Claims

0Family size

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 13, 2016
Grant date	Mar 12, 2019
Priority date	—
Expiry date	Oct 15, 2036

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E10/52
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.