Patent · US Expired

Process for the printing of cellulose containing textile material

US3961887A · kind A · utility

3Cited by
3References
4Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 9, 1973
Grant dateJun 8, 1976
Priority date
Expiry dateOct 9, 1993

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S8/93
  • WIPO fieldTextile and paper machines
  • WIPO sectorMechanical engineering

Abstract

A process for the printing of cellulose containing textiles or textiles consisting completely of cellulose with water-insoluble azo dyestuffs produced on the fiber, which comprises printing the material previously impregnated with alkaline liquors of .beta.-hydroxy-naphthoic acid arylamides or acetoacetic acid arylamides and sodium nitrite with a printing paste containing an aqueous dispersion of an amine suitable for ice color dyeing having a maximum grain size of 0.03 mm or less, acidifiers and a thickening, and finishing the prints after drying in usual manner by washing, soaping and rinsing.

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