Patent · US Expired

Chromium complex compounds, process for their manufacture and use thereof

US4256633A · kind A · utility

5Cited by
6References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 16, 1979
Grant dateMar 17, 1981
Priority date
Expiry dateApr 16, 1999

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06P1/10
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Bis-1:2 chromium complex dyes consisting of 2-chromium atoms, 2 molecules of a metallizable azo or azomethine compound and a bisazomethine of the formula ##STR1## wherein X is a direct bond or a bridge member, R.sub.1 is hydrogen or a substituent, and A is a benzene or naphthalene radical or a substituted or unsubstituted aliphatic or cycloaliphatic radical.

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