Patent · US Active

Blue anthraquinone dyes, production and use thereof

US8142520B2 · kind B2 · utility

0Cited by

4References

14Claims

0Family size

Assignee

Dystar Colours Deutschland GmbH · DE

Inventors

Hartwig Jordan · Bensberg, DE
Andreas Endres · Leverkusen, DE

Key dates

Filing date	Aug 24, 2007
Grant date	Mar 27, 2012
Priority date	—
Expiry date	Apr 25, 2028

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P5/30
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention concerns dyes of the general formula Iwhere

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