Esters as cooling and insulating fluids for transformers

US9666328B2 · kind B2 · utility

Assignee

• Fuchs Petrolub SE · DE

Inventors

• Jurgen Metzger · Neckartenzlingen, DE
• Rolf Luther · Speyer, DE
• Angela Robben · Mannheim, DE
• Gunther Kraft · Ludwigsburg, DE

Key dates

• Filing date: Apr 26, 2013
• Grant date: May 30, 2017
• Expiry date: Apr 26, 2033

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2040/16
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The invention relates to compositions including esters of polyvalent alcohols that are esterified with fatty acids, partially unsaturated, from plant oils, and to the use thereof as cooling and insulating fluids for transformers.