Invention Grant
- Patent Title: Preparation of (meth)acrylic acid esters
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Application No.: US17750273Application Date: 2022-05-20
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Publication No.: US11884618B2Publication Date: 2024-01-30
- Inventor: Marcel Treskow , Silvia Beyer , Thorben Schütz , Steffen Krill
- Applicant: EVONIK OPERATIONS GMBH
- Applicant Address: DE Essen
- Assignee: Evonik Operations GmbH
- Current Assignee: Evonik Operations GmbH
- Current Assignee Address: DE Essen
- Agency: Law Office of Michael A. Sanzo, LLC
- Priority: EP 189276 2018.08.16
- Main IPC: C07C67/08
- IPC: C07C67/08 ; B01J27/138 ; B01J31/02 ; C07C69/54
Abstract:
The invention relates to a method for preparation of (meth)acrylic acid esters from (meth)acrylic acid anhydrides. The method involves: 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:
the substrate is selected from the group consisting of: primary alcohols; secondary alcohols; tertiary alcohols; and phenols; and
the first catalyst comprises a salt of magnesium or of a rare earth element.
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:
the substrate is selected from the group consisting of: primary alcohols; secondary alcohols; tertiary alcohols; and phenols; and
the first catalyst comprises a salt of magnesium or of a rare earth element.
Public/Granted literature
- US20220281798A1 PREPARATION OF (METH)ACRYLIC ACID ESTERS Public/Granted day:2022-09-08
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