Patent · US Expired

Anthraquinonoid disperse dyes

US4119644A · kind A · utility

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8Claims

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Assignee

BASF SE

Inventors

Gerhard Epple · Bad Dürkheim, DE
Walter Himmele · Monsheim, DE
Werner Fliege

Key dates

Filing date	May 2, 1977
Grant date	Oct 10, 1978
Priority date	—
Expiry date	May 2, 1997

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B1/515
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Dyes of the formula ##STR1## where X is chlorine or bromine, Y is ##STR2## and n is 0, 1 or 2. On synthetic fiber materials, the dyes give clear blue colorations which are very fast to thermofixing and fast to light.

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