Carbohydrate esters for using as lubricants

US7220710B2 · kind B2 · utility

Assignees

• SUDZUCKER AG · DE
• Fuchs Petrolub AG · DE

Inventors

• Markwart Kunz · Worms, DE
• Jorg Kowalczyk · Eisenberg, DE
• Alireza Haji Begli · Ramsen, DE
• Rainer Kohlstrung · Plankstadt, DE
• Manfred Harperscheid · Lichtenfels, DE
• Angela Kesseler · Oberhausen, DE
• Rolf Luther · Speyer, DE
• Theo Mang · Weinheim, DE
• Christian Puhl · Grünstadt, DE
• Helena Wagner · Mannheim, DE

Key dates

• Filing date: Jul 22, 2002
• Grant date: May 22, 2007
• Expiry date: Dec 6, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2070/00
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to compositions which comprise mixtures of open-chain and cyclic molecules of the sugar alcohols D-sorbitol and D-mannitol which have been esterified with at least one carboxylic acid, processes for preparing these compositions and the use of this composition as lubricant or hydraulic liquid.