Patent · US Expired

UV absorbing mixture with textile fiber affinity

US7011772B2 · kind B2 · utility

1Cited by

2References

26Claims

0Family size

Assignee

BASF SE

Inventors

Thomas Heidenfelder · Münstermaifeld, DE
Gerhard Wagenblast · Wachenheim, DE
Jürgen Detering · Schifferstadt, DE
Thorsten Habeck · Meckenheim, DE

Key dates

Filing date	Mar 27, 2001
Grant date	Mar 14, 2006
Priority date	—
Expiry date	Apr 26, 2022

Classification

Technology area (CPC D)Textiles; Paper
CPC primaryD06P1/6515
WIPO fieldPharmaceuticals
WIPO sectorChemistry

Abstract

The invention relates to a mixture, comprising (A) 10 to 90 wt. % of at least one C6 to C18 alkyl ester, or C5 to C8 cycloalkyl ester of 2-cyano-3,3-diphenylacrylic acid and (B) 90 to 10 wt. % of at least one further compound, with at least one UV absorption maximum in the range 280 to 450 nm and structurally different from compound (A). Said mixture is suitable for the protection of human skin from damaging UV radiation and for the protection of coloured textile materials from colour fading.

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