Patent · US Expired

Liquid formulation of N-(2-sulfatoethyl)piperazine sulfate

US5695529A · kind A · utility

0Cited by

4References

13Claims

0Family size

Assignee

Hoechst GmbH · DE

Inventors

Andreas Schrell · Hofheim, DE
Michael Meier · Frankfurt am Main, DE
Heinz-Georg Kautz · Nierstein, DE

Key dates

Filing date	Dec 20, 1996
Grant date	Dec 9, 1997
Priority date	—
Expiry date	Dec 20, 2016

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P3/66
WIPO fieldTextile and paper machines
WIPO sectorMechanical engineering

Abstract

A 5% strength by weight to saturated aqueous solution of N-(2-sulfatoethyl)piperazine sulfate, having a pH of between 4 and 0, can be used to modify fiber material.

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