Removing Ruthenium Residues from Olefin Metathesis Reaction Products Georgios C. Vougioukalakis* [a] Dedicated to Professor Robert H. Grubbs on the occasion of his 70th birthday Chem. Eur. J. 2012, 00,0–0 # 2012 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim These are not the final page numbers! ÞÞ &1& MINIREVIEW DOI: 10.1002/chem.201200600