Use of hydrophobically modified polyalkanolamines as wax inhibitors, pour point depressant and additive for lubricants

US11274180B2 · kind B2 · utility

Assignee

• BASF SE

Inventors

• Anna Maria Mueller-Cristadoro · Ludwigshafen am Rhein, DE
• Stefan Frenzel · Weinheim, DE
• Matthias Fies · Landau, DE
• Edward Bohres · Ludwigshafen, DE
• Szilard Csihony · Ludwigshafen, DE
• Xiao Fu · Singapore, SG

Key dates

• Filing date: Mar 5, 2018
• Grant date: Mar 15, 2022
• Expiry date: Sep 24, 2038

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10N2030/08
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

Use of hydrophobically modified polyalkanolamines obtainable by condensing at least one trialkanolamine and optionally further condensable monomers and reacting at least one of the terminal OH groups with suitable reactants capable of reacting with OH groups and comprising long chain hydrocarbon groups as wax inhibitor, pour point depressant and additive for lubricants.