Abstract: The invention concerns a crystalline solid designated IZM-2, which has the X ray diffraction diagram given below. Said solid has a chemical composition expressed as the anhydrous base in terms of moles of oxides by the formula XO2:aY2O3:bM2/nO, in which X represents at least one tetravalent element, Y represents at least one trivalent element and M is at least one alkali metal and/or an alkaline-earth metal with valency n, a and b respectively representing the number of moles of Y2O3 and M2/nO; a is in the range 0 to 0.5 and b is in the range 0 to 1.

Abstract: A crystallized solid, referred to by the name IM-14, which has an X-ray diffraction diagram as provided below, is described. Said solid has a chemical composition that is expressed according to the formula GeO2:nY2O3:pR:qF:wH2O, where R represents one or more organic radical(s), Y represents at least one trivalent element, and F is fluorine.

Abstract: A crystallized solid, referred to by the name IM-15, which has an X-ray diffraction diagram as provided below, is described. Said solid has a chemical composition that is expressed according to the formula mXO2:nGeO2:pZ2O3:qR:sF:wH2O, where R represents one or more organic radical(s), X represents one or more different tetravalent element(s) of germanium, Z represents at least one trivalent element, and F is fluorine.

Abstract: Described is a process for the preparation of a crystallised lamellar solid formed by magadiite consisting of implementing in a step (i) mixing of at least one silica source, at least one salt of N,N,N?,N?-tetramethyl-N,N?-dibenzyloctanediammonium, at least one alkali and/or alkaline earth metal M and water and then implementing in a step (ii) hydrothermal treatment of said mixture until said crystallised lamellar solid constituted by magadiite is formed.

Abstract: A process for preparing a beta zeolite is described, comprising at least the following steps: i) mixing, in an aqueous medium, at least one source of at least one tetravalent element X, at least one source of fluoride anions and at least one quaternary ammonium salt with formula (H3C)2—N+—(CH2CH2C(CH3)3)2; ii) treating said mixture hydrothermally until said beta zeolite is formed.

Abstract: The invention relates to a catalyst that comes in the form of grains, each grain consisting of a core covered by at least one external layer, the core consisting of an acidic porous solid and having a size of between 0.1 micron and 0.4 millimeter, in which the external layer has a uniform thickness with a uniformity criterion C, which is less than 0.30, whereby said uniformity criterion C is defined as being equal to an average, on a number N of catalyst grain samples, of the ratio of the difference between the maximum thickness, Eimax, of the external layer and the minimum thickness, Eimin, of this same layer to the average of these two thicknesses Eimax and Eimin.

Abstract: A new EUO-structural-type zeolite that comprises at least one tetravalent element X that is selected from among silicon, tin, titanium and germanium and optionally at least one trivalent element T that is selected from among aluminum, iron, boron, indium and gallium is described. This new zeolite is characterized in that it contains, in its crude synthesis form, the nitrogen-containing organic cation of formula N,N-dimethyl-N,N-di(3,3-dimethylbutyl)ammonium. A method for the preparation of this zeolite is also described.

Abstract: Described is a process for the preparation of a crystallised lamellar solid formed by magadiite consisting of implementing in a step (i) mixing of at least one silica source, at least one salt of N,N,N?,N?-tetramethyl-N,N?-dibenzyloctanediammonium, at least one alkali and/or alkaline earth metal M and water and then implementing in a step (ii) hydrothermal treatment of said mixture until said crystallised lamellar solid constituted by magadiite is formed.

Abstract: A new EUO-structural-type zeolite that comprises at least one tetravalent element X that is selected from among silicon, tin, titanium and germanium and optionally at least one trivalent element T that is selected from among aluminum, iron, boron, indium and gallium is described. This new zeolite is characterized in that it contains, in its crude synthesis form, the nitrogen-containing organic cation of formula N,N-dimethyl-N,N-di(3,3-dimethylbutyl)ammonium. A method for the preparation of this zeolite is also described.

Abstract: The invention relates to a crystallized solid, referred to by the name IM-12, which exhibits an x-ray diffraction diagram as provided below. Said solid exhibits a chemical composition that is expressed on an anhydrous base, in terms of oxide moles, by the formula XO2:m YO2:p Z2O3:q R2/nO, where R represents one or more cation(s) of valence n, X represents one or more different tetravalent element(s) of germanium, Y represents germanium, and Z represents at least one trivalent element.

Abstract: The invention concerns a IM-11 crystalline solid with structure type LTA, with a neutral framework, having a chemical composition expressed as the anhydrous base in terms of moles of oxide defined by the general formula XO2:mYO2:qR:sF, in which R represents one or more nitrogen-containing organic compounds, X represents one or more tetravalent elements other than germanium, Y represents germanium, F is fluorine, m, q, s represent the number of moles of YO2, R and F respectively, m is in the range 0.1 to 4, and q and s are in the range 0 to 1.

Abstract: The invention concerns a method for preparing a crystalline metalloaluminosilicate by direct synthesis using at least one source of aluminium and, as the source of silicon and as the source of at least one other metal M, at least one lamellar siliceous material containing metals in its framework. The invention also concerns the novel solids obtained, in particular solids with a given zeolitic structure containing particular metals in its zeolitic framework.

Abstract: A zeolite crystalline solid, designated IM-9, having an X ray diffraction diagram according to FIG. 1, has a chemical composition, expressed as the anhydrous base, in terms of moles of oxides, in accordance with the formula XO2: mYO2: pZ2O3: qR2/nO: sF, in which R represents one or more cation(s) with valency n, X represents one or more tetravalent element(s) other than germanium, Y represents germanium, Z represents at least one trivalent element and F is fluorine. The solid is useable, for example as an adsorbent or catalyst.

Abstract: The invention concerns a crystalline solid, designated IM-10, which has the X ray diffraction diagram given below. Said solid has a chemical composition, expressed as the anhydrous base, in terms of moles of oxides, in accordance with the formula XO2:mYO2:pZ2O3:qR2/nO:sF, in which R represents one or more cation(s) with valency n, X represents one or more tetravalent element(s) other than germanium, Y represents germanium, Z represents at least one trivalent element and F is fluorine.

Abstract: The invention relates to a crystallized solid, referred to by the name IM-12, which exhibits an x-ray diffraction diagram as provided below. Said solid exhibits a chemical composition that is expressed on an anhydrous base, in terms of oxide moles, by the formula XO2:mYO2:pZ2O3:qR2/nO, where R represents one or more cation(s) of valence n, X represents one or more different tetravalent element(s) of germanium, Y represents germanium, and Z represents at least one trivalent element.

Abstract: The invention concerns a IM-11 crystalline solid with structure type LTA, with a neutral framework, having a chemical composition expressed as the anhydrous base in terms of moles of oxide defined by the general formula XO2: mYO2:qR: sF, in which R represents one or more nitrogen-containing organic compounds, X represents one or more tetravalent elements other than germanium, Y represents germanium, F is fluorine, m, q, s represent the number of moles of YO2, R and F respectively, m is in the range 0.1 to 4, and q and s are in the range 0 to 1.

Abstract: The invention concerns a crystalline solid, designated IM-10, which has the X ray diffraction diagram given below. Said solid has a chemical composition, expressed as the anhydrous base, in terms of moles of oxides, in accordance with the formula XO2:mYO2:pZ2O3:qR2/nO:sF, in which R represents one or more cation(s) with valency n, X represents one or more tetravalent element(s) other than germanium, Y represents germanium, Z represents at least one trivalent element and F is fluorine.

Abstract: A zeolite crystalline solid, designated IM-9, having an X ray diffraction diagram according to FIG. 1, has a chemical composition, expressed as the anhydrous base, in terms of moles of oxides, in accordance with the formula XO2: mYO2: pZ2O3: qR2/nO: sF, in which R represents one or more cation(s) with valency n, X represents one or more tetravalent element(s) other than germanium, Y represents germanium, Z represents at least one trivalent element and F is fluorine. The solid is useable, for example as an adsorbent or catalyst.