Patent · US Active

Multiple step dyeing textile with concentrated dye systems

US8167958B2 · kind B2 · utility

4Cited by

5References

18Claims

0Family size

Assignee

Dystar Colours Deutschland GmbH · DE

Inventors

Christian Meyer · Karlsruhe, DE
Wolfgang Schrott · Cologne, DE
Franz Sütsch · Gronau, DE

Key dates

Filing date	Aug 14, 2009
Grant date	May 1, 2012
Priority date	—
Expiry date	Aug 14, 2029

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10S8/918
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

The present invention relates to a process for dyeing sheetlike textile materials with a dye, which comprises a concentrated dye system being applied in a total amount of 1% to 25% by weight, based on the textile material, to the textile material in two or more sub-steps and the dye being fixed on the textile material after each and every sub-step.

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