[ Chemicals for industrial purposes; chemical preparations for use in industry; chemical products for stabilizing foodstuffs; chemicals for fermenting wine; chemical preparations for preserving foodstuffs; ] Bentonite; products for the clarification of wines, musts and juices, namely, bentonite for floatation; chemicals for use in the beverage and oenology industry; chemicals for the treatment of wines, musts and juices, namely, bentonite for floatation