Process for the trans-esterification of acrylic and methacrylic esters

US4117238A · kind A · utility

Assignee

• Deutsche Gold- und Silber-Scheideanstalt Vormals Roessler

Inventors

• Rolf Ackermann · Hanau, DE
• Wilfried Felber · Welzheim, DE
• Gerhard Morlock · Hanau, DE

Key dates

• Filing date: Jun 7, 1976
• Grant date: Sep 26, 1978
• Expiry date: Jun 7, 1996

Classification

• Technology area (CPC C): Chemistry; Metallurgy
• CPC primary: C07C67/03
• WIPO field: Organic fine chemistry
• WIPO sector: Chemistry

Abstract

An improved process for the trans-esterification of esters of acrylic or methacrylic acid in the presence of a trans-esterification catalyst and a polymerization inhibitor includes the use of about 0.05 to about 10% by weight of an alkali metal cyanide as the catalyst.