US Patent:
20170144956, May 25, 2017
Inventors:
- Midland MI, US
Vishesh H. Shah - Midland MI, US
Paul A. Larsen - Midland MI, US
International Classification:
C07C 51/487
C07C 51/377
Abstract:
A process comprising subjecting a composition comprising an alpha- or beta-hydroxycarboxylic acid, water, an extraction solvent, and an acid catalyst to extractive dehydration to form an unsaturated carboxylic acid product.