Patent · US Expired

Process for the fixation of dyestuffs

US3990845A · kind A · utility

1Cited by

6References

1Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Hans-Ulrich von der Eltz · Frankfurt am Main, DE
Richard S. Gross · Redding, US
Walter Birke · Frankfurt am Main, DE
Albert Reuther

Key dates

Filing date	Apr 5, 1974
Grant date	Nov 9, 1976
Priority date	—
Expiry date	Apr 5, 1994

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P5/2077
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

Process for the fixation of dyestuffs on textile materials of synthetic, regenerated or native fibers or of mixtures thereof, in which the textile material treated with a dyestuff preparation is introduced into a chamber and it is dwelled there, batched or cuttled up under pressure-steam.

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