Patent · US Expired

Process for modifying and dyeing modified fiber materials

US5512064A · kind A · utility

5Cited by

2References

17Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Andreas von der Eltz · Frankfurt am Main, DE
Joachim Clauss · Scheinfeld, DE
Andreas Schrell · Hofheim, DE

Key dates

Filing date	Jul 28, 1994
Grant date	Apr 30, 1996
Priority date	—
Expiry date	Jul 28, 2014

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P3/8233
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Fiber materials are modified with a polyalkyleneimine polymer at crosslinking agent, preferably glyoxal, and optionally dyed with water-soluble, anionic dyes, preferably reactive dyes. The dyeing process with fiber materials modified according to the invention can be carried out low-salt or completely without salt and also alkali-free or using only minimal amounts of alkali.

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