Patent · US Expired

Process for dyeing paper with disazo dyes

US5288294A · kind A · utility

19Cited by
4References
10Claims
0Family size

Assignee

Inventor

Key dates

Filing dateSep 21, 1992
Grant dateFeb 22, 1994
Priority date
Expiry dateSep 21, 2012

Classification

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

Abstract

The dyes of formula ##STR1## wherein X, Y and M are as defined in claim 1, are suitable for dyeing paper with good lightfastness.

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