Polyethers and their use as carrier oils

US7470823B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Michael Stoesser · Schifferstadt, DE
• Edward Bohres · Ludwigshafen, DE
• Georg Heinrich Grosch · Bad Dürkheim, DE
• Wilfried Sager · Mutterstadt, DE
• Marc Walter · Bischofswerda, DE

Key dates

• Filing date: Mar 10, 2003
• Grant date: Dec 30, 2008
• Expiry date: Jun 5, 2023

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10L1/2383
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The present invention relates to polyethers which are obtainable from 1 -butene oxide and an alcohol using a double metal cyanide compound as a catalyst and have a content of unsaturated components of 6 mol% or more, to a process for preparing such a polyether and also to the use of a polyether according to the invention as a carrier oil or in a carrier oil formulation, in particular in additive packages for gasoline fuels, and furthermore also to carrier oil formulations and also to fuels comprising a polyether according to the invention.