Paraffin dispersants with a lubricity effect for distillates of petroleum products

US6786940B1 · kind B1 · utility

Assignee

• BASF SE

Inventors

• Bernd Wenderoth · Lampertheim, DE
• Dieter Hermeling · Haßloch, DE

Key dates

• Filing date: Apr 23, 2001
• Grant date: Sep 7, 2004
• Expiry date: Apr 23, 2021

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C10L1/2225
• WIPO field: Basic materials chemistry
• WIPO sector: Chemistry

Abstract

The mixture contains(a) from 5 to 95% by weight of at least one reaction product of a poly(C2-20-carboxylic acid) having at least one tertiary amino group with secondary amines and(b) from 5 to 95% by weight of at least one reaction product of maleic anhydride and a primary alkylamine.