Patent · US Expired

Basic azo compounds, their production and use

US6140478A · kind A · utility

4Cited by

6References

12Claims

0Family size

Assignee

Clariant Finance (BVI) Limited · VG

Inventors

Jurgen Geiwiz · Lörrach, DE
Helmut Moser · Reinach, CH
Reinhard Pedrazzi · Allschwil, CH

Key dates

Filing date	Jul 19, 1996
Grant date	Oct 31, 2000
Priority date	—
Expiry date	Jul 19, 2016

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S8/919
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Basic azo compounds of formula I are suitable for coloring or printing especially of paper and leather.

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