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  • Polyvalent pollution removal composition and use thereof
    Patent number: 9938441
    Abstract: A pollution removal composition includes: (a) at least one silica gel; and (b) at least one wood-derived absorbent agent, characterized in that the silica gel has a grain-size distribution of between 60 and 500 ym and a density of between 150 and 400 kg/m3. A pollution removal method using the composition is also described.
    Type: Grant
    Filed: November 28, 2013
    Date of Patent: April 10, 2018
    Assignee: PREVOR INTERNATIONAL
    Inventors: Mathilde Neel, Laurence Mathieu, Joel Blomet, Marie-Claude Meyer