Patent · US Active

Yellow methine dyes

US10266697B2 · kind B2 · utility

0Cited by

9References

15Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

Hans-Ulrich Borst · Elsdorf, DE
Frank Linke · Recklinghausen, DE
Stephan Michaelis · Leverkusen, DE

Key dates

Filing date	Dec 22, 2015
Grant date	Apr 23, 2019
Priority date	—
Expiry date	Jan 1, 2036

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/0041
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention relates to novel methine dyes, methods for the preparation thereof and use thereof for dyeing plastics, especially polyamides, so as to obtain yellow colorings with improved light fastness and improved thermostability.

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