emerging producer of high-grade titanium dioxide (TiO2) used as white pigment in paint, plastic, paper, cosmetics and other applications, announced today the hiring of Serge Depatie in the role of VP Communications and Investor Relations. 03/19/2015 ??? Argex Signs LOI for 100% of its Iron By-Products with PVS Chemicals + Montreal, Quebec - March 19, 2015 ??? Argex Titanium Inc. (TSX: RGX) (''Arg