Phan Law Group PLLC
Quaternary arylcarboxylate compositions for extracting C1 to C4 carboxylic acids from aqueous streams
This invention relates to solvents for extracting C1 to C4 carboxylic acids from aqueous streams. More specifically, the extraction solvents include one or more salts composed of a phosphonium cation and an arylcarboxylate anion. The extraction solvents may further include one or more non-ionic liquid organic solvents as an enhancer. The extraction solvents are useful for extracting aqueous mixtures containing one or more lower carboxylic acids, such as monocarboxylic acids, alkoxycarboxylic acids, and halogen-containing carboxylic acids.
Eastman Chemical Company
Y C B
Y02P C07C B01D
additional inventional inventional
Christopher David William Scott Donald Silu Chester Wayne Jingyi Robert Thomas
Hardacre Rooney Barnicki Wang Sink Liu Hembre