M.A. Santos, S. M. Marques, M.A. Dias de Sousa Gil, M. Tegoni, S. Chaves, “Set of Medicinal Metal Enzyme High Capacity Inhibitors Comprises Succinic and Iminodiacetic Acids Giving High Zinc and Nickel Ion Complexing Capacity”, PT103003-A1 (2005)

M. Amélia Santos, Sérgio Marques, Marco Gil, Matteo Tegoni, Sílvia Chaves, “New Inhibitors of Metalloenzymes with Potential Medical Application”, Portuguese Patent Rg. 103003 (2003).

M.Alexandra Esteves, M.Amélia Santos, Anabela Cachudo, Sílvia Chaves, “Functionalized Supports with Hydroxypyrimidinone Type Chelators for Remotion of Toxic Metal Ions from Water Supplies”, Portuguese Patent Rg. 103055 (2003).