Process for the printing of cellulose containing textile material
US3961887A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 9, 1973 |
| Grant date | Jun 8, 1976 |
| Priority date | — |
| Expiry date | Oct 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.