Patent · US Expired

Optical brighteners

US7166564B2 · kind B2 · utility

0Cited by

5References

13Claims

0Family size

Assignee

Ciba Specialty Chemicals Corporation · US

Inventors

Goetz Scheffler · Weil am Rhein, DE
Hauke Rohwer · Bad Kötzting, DE
Rene Schlatter · Basel, CH
Robert Hochberg · Glückstadt, DE

Key dates

Filing date	Aug 11, 2004
Grant date	Jan 23, 2007
Priority date	—
Expiry date	Aug 11, 2024

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC08K5/34922
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The invention relates to novel bis(triazinylamino)stilbenes which are suitable as UV absorbers and fluorescent whiteners for textile materials and also bring about an increase in the treated textile material.

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