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View Patent / 2007 Process for the manufacture of iohexol by the alkylation of 5-acetamido-N,N'-bis(2,3-dihydroxypropyl)-2,4,6-triiodoisophthalamide with 1-chloro-2,3-propanediol using 2-(2-methoxyethoxy)ethanol as the reaction solvent WO 2007060380
View Patent / 1994 Process for simultaneous recovery of precious metals and tertiary phosphine from spent catalysts using tellurium EP 565800