Patent · US Active

Composition to improve cold flow properties of fuel oils

US10131776B2 · kind B2 · utility

0Cited by

13References

19Claims

0Family size

Assignee

Evonik Oil Additives GmbH · DE

Inventors

Ronny Sondjaja · Darmstadt, DE
Rene Koschabek · Weinheim, DE
Markus Weber · Langenfeld, DE
Jane Benito · Singapore, SG
Jian Mike Liu · Singapore, SG
Torsten Stoehr · Frankfurt, DE

Key dates

Filing date	Jul 21, 2010
Grant date	Nov 20, 2018
Priority date	—
Expiry date	Nov 12, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02E50/10
WIPO fieldMacromolecular chemistry, polymers
WIPO sectorChemistry

Abstract

The present invention describes a composition comprising at least one polyalkyl(meth)acrylate polymer having a number average molecular weight Mn of from 1000 to 10000 g/mol and a polydispersity Mw/Mn of from 1 to 8 and at least one ethylene vinyl acetate copolymer comprising units being derived from at least one alkyl (meth)acrylate having 1 to 30 carbon atoms in the alkyl residue. The composition is useful as cold flow improver in fossil fuel oil and or biodiesel fuel oil.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.