C01B33/2807 - CPC Classification

Silicon; Compounds thereof; Silicates; Aluminium-containing silicates, i.e. silico-aluminates; Base exchange silicates, e.g. zeolites Zeolitic silicoaluminates with a tridimensional crystalline structure possessing molecular sieve properties; Isomorphous compounds wherein a part of the aluminium ore of the silicon present may be replaced by other elements such as gallium, germanium, phosphorus; Preparation of zeolitic molecular sieves from molecular sieves of another type or from preformed reacting mixtures

• C01B33/2815 » {of type A (UNION CARBIDE trade name; corresponds to GRACE's types Z-12 or Z-12L)} 0
• C01B33/2838 » {of faujasite type, or type X or Y (UNION CARBIDE trade names; correspond to GRACE's types Z-14 and Z-14HS, respectively)} 0
• C01B33/2861 » {of mordenite type, e.g. ptilolite or dachiardite} 1
• C01B33/2869 » {of other types characterised by an X-ray spectrum and a definite composition} 5
• C01B33/2876 » {from a reacting mixture containing an amine or an organic cation, e.g. a quaternary onium cation-ammonium, phosphonium, stibonium} 4
• C01B33/2884 » {the aluminium or the silicon in the network being partly replaced} 1
• C01B33/2892 » {containing an element or a compound occluded in the pores of the network, e.g. an oxide already present in the starting reaction mixture} 0

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