Patent · US Expired

Process for printing or pad-dyeing cellulose/polyester mixed fabrics

US3980426A · kind A · utility

5Cited by

5References

2Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Erich Feess · Hofheim, DE
Sienling Ong · Hofheim, DE
Hans H. Steuernagel · Kelkheim, DE

Key dates

Filing date	Jan 30, 1975
Grant date	Sep 14, 1976
Priority date	—
Expiry date	Jan 30, 1995

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S8/933
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A process for the pad-dyeing or printing of textile material consisting of cellulose and polyester fibers with fiber-reactive and dispersion dyestuffs which comprises printing or padding the textile material with a printing paste or padding liquor which contains besides the usual printing auxiliaries and the dyestuffs mentioned an alkali salt of the formic acid as well as carriers, levelling and/or dispersing agents, fixing the dyestuffs by dry heat at temperatures above 150.degree.C or by hot steam at temperatures above 140.degree.C, and completing the prints or pad dyeings in usual manner.

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