Low-melting mixtures of di-n-butyl and diisobutyl terephthalate

US7361779B1 · kind B1 · utility

Assignee

• Eastman Chemical Company · US

Inventors

• Mark S. Holt · West Nyack, US
• Phillip Wayne Turner · Bristol, US
• Steven Leroy Cook · Kingsport, US
• Martin James Stimpson · Hungerford, GB

Key dates

• Filing date: Apr 18, 2007
• Grant date: Apr 22, 2008
• Expiry date: Apr 18, 2027

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C69/82
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

Mixtures of terephthalate diesters having lowered freezing points and methods of making the terephthalic acid diesters. The method includes contacting a first alcohol, a second different alcohol and dimethyl terephthalate in the presence of a catalyst to thereby form the terephthalate diesters.