Ameen Jameil, Furbush Seymour A: Acid gas removal from gas mixtures. Allied Chemical Corporation, July 27, 1971: US3594985 (79 worldwide citation)

An improved solvent and process for treating and separating acid gas, particularly hydrogen sulfide from gas mixtures containing the same, such as natural gas mixtures containing hydrogen sulfide, carbon dioxide and methane. The process involves the use of a solvent comprising a mixture of dimethyl ...