Patent · US Active

Process for preparing (meth)acrylic acid

US8207371B2 · kind B2 · utility

2Cited by

7References

12Claims

0Family size

Assignee

Evonik Röhm GmbH · DE

Inventors

Bernd Vogel · Wiesbaden, DE
Alexander May · Seeheim-Jugenheim, DE
Hermann Siegert · Weiterstadt, DE

Key dates

Filing date	Aug 30, 2007
Grant date	Jun 26, 2012
Priority date	—
Expiry date	Oct 24, 2027

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC07C51/377
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention relates to a process for preparing (meth)acrylic acid, characterized in that a cyclic ester is converted to (meth)acrylic acid in the presence of a catalyst. The (meth)acrylic acid prepared can in particular be converted to (meth)acrylates.

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