Patent · US Active

Preparation of (meth)acrylic acid esters

US11958800B2 · kind B2 · utility

0Cited by

8References

18Claims

0Family size

Assignee

Evonik Operations GmbH · DE

Inventors

Marcel Treskow · Darmstadt, DE
Silvia Beyer · Ober-Ramstadt, DE
Thorben Schütz · Hähnlein, DE
Steffen Krill · Mühltal, DE

Key dates

Filing date	Jul 31, 2019
Grant date	Apr 16, 2024
Priority date	—
Expiry date	Jul 31, 2039

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB01J2531/002
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The invention relates to a method for preparation of (meth)acrylic acid esters from (meth)acrylic acid anhydrides. Wherein the method for preparation of the (meth)acrylic acid ester, comprises at least step (a) as follows: (a) reacting a (meth)acrylic acid anhydride of Formula (I): wherein R1 is a hydrogen atom or a methyl group; with a substrate in the presence of a first catalyst to form a product mixture comprising the (meth)acrylic acid ester; and wherein:

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