Patent · US Active

Process for preparing methacrylic acid

US8791296B2 · kind B2 · utility

1Cited by

3References

16Claims

0Family size

Assignee

Evonik Röhm GmbH · DE

Inventors

Dirk Broell · Langen, DE
Hermann Siegert · Weiterstadt, DE
Horst Hiltner · Munster, DE
Thomas Krauss · Stuttgart, DE

Key dates

Filing date	Apr 24, 2012
Grant date	Jul 29, 2014
Priority date	—
Expiry date	Apr 24, 2032

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02P20/582
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing methacrylic acid based on the hydrolysis of methacrylic esters.

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