Patent · US Active

Laundering process for whitening synthetic textiles

US8556993B2 · kind B2 · utility

0Cited by

9References

11Claims

0Family size

Assignee

BASF SE

Inventors

Robert Hochberg · Glückstadt, DE
Oliver Becherer · Bad Kötzting, DE
Bernard Schultz · La Valette-du-Var, FR
Goetz Scheffler · Weil am Rhein, DE
Rene Schlatter · Basel, CH

Key dates

Filing date	Jun 7, 2006
Grant date	Oct 15, 2013
Priority date	—
Expiry date	Feb 19, 2027

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06M13/358
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

The present invention relates to the use of a combination of a free fluorescent whitening agent and cationic polymer as a brightening agent for a synthetic single or blended textile, especially polyester textile, and to a corresponding brightening agent as well as a laundering process for brightening a synthetic, single or blended textile, which is characterized by a) preparing a composition by contacting a free fluorescent whitening agent with a cationic polymer, and b) treating said synthetic, single or blended textile with the composition prepared in step a).

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