Patent · US Expired

Process for dyeing and printing synthetic hydrophobic fiber material

US4252530A · kind A · utility

6Cited by

2References

8Claims

0Family size

Assignee

Cassella Aktiengesellschaft · DE

Inventors

Joachim Ribka · Offenbach am Main, DE
Horst Tappe · Dietzenbach, DE
Kurt Roth · Waterloo, CA
Hans-Jurgen Weyer · Frankenthal (Pfalz), DE

Key dates

Filing date	Aug 14, 1979
Grant date	Feb 24, 1981
Priority date	—
Expiry date	Aug 14, 1999

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P5/12
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

White patterns on synthetic fiber textiles or patterns of a different color on a colored background are produced by dyeing the material with a dyestuff dischargeable to white, drying the material, printing the material with a discharge resist paste and heating the treated material to 100.degree.-230.degree. C. wherein the discharge agent is a base which produces a pH of at least 8 in a 5% strength aqueous solution.

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