Patent · US Expired

Process for dyeing blended fabrics

US4015933A · kind A · utility

1Cited by
3References
16Claims
0Family size

Assignee

Inventors

Key dates

Filing dateApr 24, 1975
Grant dateApr 5, 1977
Priority date
Expiry dateApr 24, 1995

Classification

  • Technology area (CPC D)Textiles; Paper
  • CPC primaryD06P3/8271
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A process for dyeing and printing blends of wool and polyacrylic fibers which comprises the use of dyes of the formula ##STR1## wherein A is the radical of a monofunctional or polyfunctional tertiary amine, X is an anion and F is the radical of a dye of the disperse class.

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