Patent · US Expired

Middle distillate compositions with improved low temperature properties

US5441545A · kind A · utility

15Cited by
29References
7Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 6, 1993
Grant dateAug 15, 1995
Priority date
Expiry dateJul 6, 2013

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC10L1/2383
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

Copolymers of straight chain alpha olefins and maleic anhydride esterified with an alcohol wherein the alpha olefin is of the formula: EQU R.CH=CH.sub.2 and the alcohol is of the formula: EQU R.sup.1 OH in which at least one of R and R.sup.1 is greater than 10 and the sum of R and R.sup.1 is from 18 to 38 and R.sup.1 is linear or contains a methyl branch at the 1 or 2 position have been found to be effective additives for improving the low temperature properties of distillate fuels.

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