Patent · US Active

Manufacture of lactones

US7803952B2 · kind B2 · utility

1Cited by

0References

22Claims

0Family size

Assignee

DSM IP ASSETS B.V. · NL

Inventors

Werner Bonrath · Kaiseraugst, CH
Reinhard Karge · Staufen, DE
Felix Roessler · Kaiseraugst, CH

Key dates

Filing date	Apr 7, 2006
Grant date	Sep 28, 2010
Priority date	—
Expiry date	Aug 6, 2026

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2531/822
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for the manufacture of cyclic monocarboxylic esters (lactones) and related compounds by hydrogenation of cyclic dicarboxylic acid anhydrides in the presence of metal catalysts.

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