2,6-di-tert-butylphenols

US6444278B1 · kind B1 · utility

Assignee

• MERCK PATENT GESELLSCHAFT MIT BESHRANK TER HAFTUNG · DE

Inventors

• Volker Reiffenrath · Roßdorf, DE
• Joachim Krause · Dieburg, DE

Key dates

• Filing date: Oct 10, 1997
• Grant date: Sep 3, 2002
• Expiry date: Oct 10, 2017

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C09K2323/00
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to 2,6-di-tert-butylphenols of the formula I in whichR, A1 A2, Z1, Z2 m and n are as defined herein, and their use as stabilizers or antioxidants.