Inorganic microporous solids and a process for their preparation

Claim 2

Inorganic microporous solids having a three-dimensional framework structure which corresponds to a zeolite structure, said structure consisting of AX 4 -tetrahedrons linked by their corners, wherein the solids consist of at least three different elements and A is one or more electropositive elements selected from the group consisting of Be, B, Al, Ga, C, Si, Ge, P, As and S, and at least 10% of the X atoms are nitrogen, wherein the microporous solids have a pore size of from 0.2 to 5 nm.

Claim 3

Inorganic solid according to claim 1, wherein X consists entirely of nitrogen.

Claim 4

Inorganic solid according to claim 1, wherein at least 10 atoms-% of A consists of phosphorus and the remainder required to make up the 100 atoms-% consists of at least one of silicon and aluminum.

Claim 5

Inorganic solid according to claim 2, wherein at least 10 atoms-% of A consists of phosphorus and the remainder required to make up the 100 atoms-% consists of at least one of silicon and aluminum.

Claim 6

Inorganic solid according to claim 1, wherein A consists entirely of phosphorus.

Claim 7

Inorganic solid according to claim 3, wherein A consists entirely of phosphorus.

Claim 8

Inorganic solid according to claim 1, wherein said solid has a general composition M x H y [A 12 N 24 ]Z z , wherein x=0 to 8, Y=0 to 14, z=0 to 2 M=metal cations carrying 1-, 2-, 3- or 4- charges, Z=anions carrying 1-, 2-, 3- or 4-charges and A contains at least 10 atoms-% of phosphorus, and the remainder required to make up the 100 atoms-% consists of at least one of aluminium and silicon, and the overall composition demonstrates electroneutrality.

Claim 9

Inorganic solid according to claim 7, wherein M=at least one metal selected from the group consisting of Mg, Ca, Sr, Ba, Cr, Mn, Fe, Co, Ni, Zn, Cu, Yb, Pr, Eu and Nd, Z=at least one of Cl and Br, and A=P.

Claim 10

A process for the preparation of an inorganic solid having the general formula M x H y [A 12 N 24 ]Z z wherein x=0-8, y=0 to 14, z=0 to 2, M=metal cations carrying 1-, 2-, 3- or 4- charges, Z=anions carrying 1-, 2-, 3- or 4- charges and Z=at least 10 atoms-% of phosphorus, and the remainder required to make up the 100 atoms-% consists of at least one of aluminium and silicon, and the solid demonstrates electroneutrality, said process comprising reacting a substance containing or forming A--N and optionally containing Z, in which the ratio of A to N is from 1:1 to 1:2, with a metal halide compound MZ n wherein n is the valency of the metal M, the reaction being carried out in the presence of at least one of NH 3 and NH 4 Z so as to reduce the ratio of A to N to 1:2 if it is greater than this ratio.

Claim 11

A process for the preparation of an inorganic solid having the general formula M x H y [A 12 N 24 ]Z z wherein x=0-8, y=0 to 14, z=0 to 2, M=metal cations carrying 1-, 2-, 3- or 4- charges, Z=anions carrying 1-, 2-, 3- or 4- charges and Z=at least 10 atoms-% of phosphorus, and the remainder required to make up the 100 atoms-% consists of at least one of aluminium and silicon, and the solid demonstrates electroneutrality, said process comprising reacting a substance containing or forming A--N and optionally containing Z, in which the ratio of A to N is from 1:1 to 1:2, with a metal halide compound MZ n wherein n is the valency of the metal M, the reaction being carried out in the presence of at least one of NH 3 and NH 4 Z so as to reduce the ratio of A to N to 1:2 if it is greater than this ratio.

Claim 12

A process according to claim 9, wherein M=at least one metal selected from the group consisting of Mg, Ca Sr, Ba, Cr, Mn, Fe, Co, Ni, Zn, Cu, Yb, Eu, Pr and Nd, Z=at least one of Cl and Br, and A=phosphorus.

Claim 13

A process according to claim 9, wherein the substance containing or forming A-N consists essentially of at least one substance selected from the group consisting of P, PZ 5 , PNZ 2 , P 3 N 5 and HPN 2 .

Claim 14

A process according to claim 9, wherein the reaction is carried out in the absence of oxygen and water.

Claim 15

Inorganic microporous solids having a three-dimensional framework structure which corresponds to a zeolite structure, said structure consisting of AX 4 -tetrahedrons linked by their corners, wherein the solid has the general composition M x H y [A 12 N 24 ]Z z , wherein x=0 to 8, y=0 to 14, z=0 to 2, M=metal cations carrying 1-, 2-, 3- or 4-charges, Z=anions carrying 1-, 2-, 3- or 4-charges, and A contains at least 10 atoms-% of phosphorus, and the remainder required to make up the 100 atoms-% consists of at least one of aluminum and silicon, and the overall composition demonstrates electroneutrality.

Claim 16

Inorganic microporous solids having a three-dimensional framework structure which corresponds to a zeolite structure, said structure consisting of AX 4 -tetrahedrons linked by their corners, wherein the solid has the general composition M x H y [A 12 N 24 ]Z z , wherein x=0 to 8, y=0 to 14, z=0 to 2, M=metal cations carrying 1-, 2-, 3- or 4-charges, Z=anions carrying 1-, 2-, 3- or 4-charges, and A contains at least 10 atoms-% of phosphorus, and the remainder required to make up the 100 atoms-% consists of at least one of aluminum and silicon, and the overall composition demonstrates electroneutrality.

Claim 17

Inorganic microporous solids according to claim 13, wherein, M=at least one metal selected from the group consisting of Mg, Ca, Sr, Ba, Cr, Mn, Fe, Co, Ni, Zn, Cu, Yb, Eu, Pr and Nd, Z=at least one of Cl and Br, and A=phosphorus.

Claim 18

Inorganic microporous solids according to claim 13, wherein, M=at least one metal selected from the group consisting of Co, Ni and Zn, Z=at least one of Cl and Br, and A=phosphorus.

Claim 19

Inorganic microporous solids according to claim 13, wherein said solid has one of the following general compositions: Zn 4 .3 H 5 .4 P 12 N 24 Cl 2 ; Ni 4 .0 H 6 P 12 N 24 Cl 2 ; Zn 3 .7 H 6 .6 P 12 N 24 Br 2 ; Zn 7 P 12 N 24 Cl 2 ; Zn 6 P 12 N 24 ; and Co 2 H 10 P 12 N 24 Cl 2 .