Patent · US Expired

Process for the simultaneous desizing and bleaching of textile material made from cellulose fibers

US4539007A · kind A · utility

8Cited by

5References

4Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Gunter Rosch · Bad Soden am Taunus, DE
Gerhard Sauer · Berlin, DE

Key dates

Filing date	May 9, 1983
Grant date	Sep 3, 1985
Priority date	—
Expiry date	May 9, 2003

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06L4/12
WIPO fieldChemical engineering
WIPO sectorChemistry

Abstract

A process for the simultaneous desizing and bleaching of textile material made from cellulose fibers, which comprises treating the textile material with a liquor containing per liter of water PA0 (a) from 1 to 10 grams of a peroxide activator, PA0 (b) from 10 to 80 ml of hydrogen peroxide, PA0 (c) from 1 to 10 grams of urea, PA0 (d) from 1 to 10 grams of a surfactant and a compound of weakly alkaline reaction in such an amount that the pH of the liquor is 7 to 8.

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