Patent: Copper-catalyzed Formation of Carbon-heteroatom and Carbon-carbon bonds. 27Patent Authors: Buchwald, S.L.; Klapars, A.; Antilla, J.C.; Job, Gabriel E.; Wolter, M.; Kwong, Fuk Y.; Nordmann, G.; Hennessy, E. J. U.S. Patent No. 6,867,298Date Issued: March 15, 2005Patent Title: Copper-catalyzed Formation of Carbon-heteroatom and Carbon-carbon bonds.