B - Operations – Transporting – 01 – J
Patent
B - Operations, Transporting
01
J
196/156, 252/32,
B01J 20/04 (2006.01) B01J 37/02 (2006.01) B01J 37/08 (2006.01) B01J 41/10 (2006.01) C10G 25/00 (2006.01)
Patent
CA 2308748
Anionic clay compounds such as hydrotalcite-like compounds can be made by a process wherein a non-hydrotalcite-like compound (or a hydrotalcite-like compound) are heat treated and then hydrated to form hydrotalcite-like compounds having properties (e.g., increased hardness and/or density) that differ from those of hydrotalcite-like compounds made by prior art methods wherein non-hydrotalcite-like compounds (or hydrotalcite-like compounds) are not similarly heat treated and hydrated to form such hydrotalcite-like compounds.
La présente invention concerne des composés argileux anioniques tels que des composés de type hydrotalcite. Le procédé consiste à prendre un composé de type autre qu'hydrotalcite (ou un composé de type hydrotalcite), et à le chauffer et l'hydrater. On obtient ainsi des composés de type hydrotalcite dont certaines propriétés, notamment la dureté et/ou la densité, diffèrent de celles de composés de type hydrotalcite selon l'état antérieur de la technique. En l'occurrence, les composés de type autre qu'hydrotalcite (ou les composés de type hydrotalcite) ne sont pas chauffés et hydratés de la même manière de façon à former de tels composés de type hydrotalcite.
Borden Ladner Gervais Llp
Intercat-Savannah Inc.
LandOfFree
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