Pour point depressants comprising polyolefins modified with side chains

US4668733A · kind A · utility

Assignee

• Henkel Kommanditgesellschaft auf Aktien · DE

Inventors

• Hermann Anzinger · Goldkronach, DE
• Herbert Fischer · Goldkronach, DE
• Claus-Peter Herold · Mettmann, DE
• Wolfgang Zoellner · Goldkronach, DE

Key dates

• Filing date: Mar 27, 1986
• Grant date: May 26, 1987
• Expiry date: Mar 27, 2006

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C08G59/1438
• WIPO field: Macromolecular chemistry, polymers
• WIPO sector: Chemistry

Abstract

A pour point depressant composition and a method for its use. The pour point depressant is a predominantly butadiene polymer epoxidized and then ring-opened with a C.sub.12-24 carboxylic acid, or ring-opened with an alcohol followed by esterification.