Patent · US Expired

Acid Red 82 in mixtures

US7193085B2 · kind B2 · utility

0Cited by

5References

12Claims

0Family size

Assignee

LANXESS Deutschland GmbH · DE

Inventors

Thomas Sommermann · Bensberg, DE
Peter Wild · Odenthal, DE

Key dates

Filing date	Sep 13, 2003
Grant date	Mar 20, 2007
Priority date	—
Expiry date	Sep 13, 2023

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09B67/0036
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The invention relates to mixtures containing the dye C.I. Acid Red 82 (formula IIb) and C.I. Acid Red 80 (formula IIc)

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