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Aventis was a pharmaceutical and lab assay testing company. It was formed in 1999 when Rhône-Poulenc S.A. merged with Hoechst AG. The merged company was based in Strasbourg, France. Sanofi-Aventis was formed in 2004 when Sanofi-Synthélabo purchased Aventis.


Former lobbying firms


  1. Public Relations Organisations InternationalVan Luyken Cummunicatie Adviseurs accessed 13th February 2008