iron, especially sponge-grade, and a tartrate such as mono- and di-sodium or potassium tartrate or diethyl or diisopropyl tartrate; used for rapid absorption of oxygen from a closed container having an oxygen-sensitive product such as meat or fish without generating hydrogenUS720493710 Ene 200317 Abr 2007Ashland Licensing And Intellectual Property LlcMetal oxides dispersant compositionUS7399425 *