Patent · US Expired

Disperse azo dyestuffs

US7358345B2 · kind B2 · utility

1Cited by
7References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateOct 15, 2004
Grant dateApr 15, 2008
Priority date
Expiry dateOct 15, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S8/922
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention claims dyestuffs of formula (I), wherein D, R1 to R7 and n are defined as given in claim 1, a process for their preparation and their use

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