Patent · US Active

Methine dyes

US10961396B2 · kind B2 · utility

0Cited by

17References

14Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

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

Key dates

Filing date	Oct 9, 2018
Grant date	Mar 30, 2021
Priority date	—
Expiry date	Oct 9, 2038

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD01F6/60
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 to orange colourings with improved light fastness and improved thermal stability.

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