Patent · US Active

Process for preparing diols by hydrogenating a carboxylic acid-comprising mixture by means of cobalt-comprising catalysts

US8383866B2 · kind B2 · utility

1Cited by

2References

9Claims

0Family size

Assignee

BASF SE

Inventors

Rolf Pinkos · Bad Dürkheim, DE
Axel Paul · Lampertheim, DE
Rolf Fischer · Heidelberg, DE
Roman Dostalek · Neuleiningen, DE

Key dates

Filing date	Nov 23, 2010
Grant date	Feb 26, 2013
Priority date	—
Expiry date	Jun 3, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C29/149
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing diols by hydrogenating a mixture comprising carboxylic acid, carboxylic anhydrides and/or carboxylic esters/lactones by means of a cobalt-comprising catalyst, wherein alkali metal and/or alkaline earth metal ions are added to the hydrogenation feed, excluding alkali metal and/or alkaline earth metal ions of mineral acids.

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