Patent · US Expired

Method of manufacturing methylidene-group-containing .alpha.,.omega.-unsaturated oligomers from .alpha.,.omega.-diolefins in the presence of organoaluminum compounds as catalysts

US5306856A · kind A · utility

11Cited by

10References

9Claims

0Family size

Assignee

Huels Aktiengesellschaft · DE

Inventors

Roland Streck · Marl, DE
Jaroslaw Monkiewicz · Rheinfelden (Baden), DE
Hans Guenther Wey · Wiesloch, DE

Key dates

Filing date	Jun 12, 1992
Grant date	Apr 26, 1994
Priority date	—
Expiry date	Jun 12, 2012

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C2531/14
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

A method of manufacturing methylidene-group-containing .alpha.,.omega.-unsaturated oligomers from .alpha.,.omega.-diolefins in the presence of a catalytic amount of organoaluminum compounds, wherein the .alpha.,.omega.-diolefins are reacted in the liquid phase, at 150.degree.-350.degree. C., and the organoaluminum compounds have formula AlX.sub.3 or AlX.sub.2 H, where X represents an aliphatic, alicyclic, or aromatic hydrocarbon group with 1-30 C atoms. The higher molecular weight hydrocarbons manufactured according to this method are substantially linear oligomers which contain reactive double bonds.

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