Laboratorios Argenol S. L. was founded in 1939. The main activity for Argenol has been the sale of silver related products for the pharmaceutical industry, such as: Colloidal Silver, Silver Proteinate, Argyrol, Targesin. Some other products, based on the antibacterial properties of the Colloidal Silver deposited onto inorganic inert substrates were manufactured (they were used in the productuion of water filters). Silver Iodid...