Patent · US Expired

Dye mixtures

US5928388A · kind A · utility

5Cited by
0References
19Claims
0Family size

Assignee

Inventor

Key dates

Filing dateApr 10, 1998
Grant dateJul 27, 1999
Priority date
Expiry dateApr 10, 2018

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S8/934
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

A disperse dye mixture which comprises, on a weight basis, from 5% to 70% of the dye of Formula (1), from 5% to 70% of the dye of Formula (2), and from 0% to 40% of the dye of Formula (3), wherein each of R and R.sup.1 represents an alkylene group and each of R.sup.2 and R.sup.3 represents an alkyl group.

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