With close ties to personnel involved in the in-house Sphinx Division of Eli Lilly, Sphinx Pharamcetical Corporation was a drug discovery company created to identify lead compounds that regulate the many isozymes of Protein Kinases. Unique in the application of patented technology that provided the accurate assay of membrane bound enzymes. As company grew, technology was applied to the study of phospholipases, prostaglandins and sphingomyelinases. Company was bought by Eli Lilly in in 1995