Biphenyl-substituted triazines

US6468958B2 · kind B2 · utility

Assignee

• Ciba Specialty Chemicals Corporation · US

Inventors

• Ian J. Fletcher · Magden, CH
• Jurgen Kaschig · Glückstadt, DE
• Georges Metzger · Mœrnach, FR
• Dieter Reinehr · Kandern, DE
• Pascal Hayoz · Therwil, CH

Key dates

• Filing date: May 3, 2001
• Grant date: Oct 22, 2002
• Expiry date: May 3, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08K5/3492
• WIPO field: Pharmaceuticals
• WIPO sector: Chemistry

Abstract

Biphenyl-substituted triazines of the formulae which are notable for high thermal stability, are used as stabilizers for organic polymers to counter damage thereto caused by light, oxygen and heat, as light stabilizers for textile fiber materials and as sunscreens for the human skin.