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7604794 |
Zeolite catalyst for skeletal isomerisation of olefins
The present invention relates to an active and selective zeolite catalyst having MTT structure that is useful in skeletal isomerisation of light olefins. The method for the manufacture of the...
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7597874 |
Preparation of zeolites using novel structure directing agents
The present invention is directed to a process for producing crystalline zeolites from a reaction mixture containing an N,N,N-trialkyl benzyl quaternary ammonium cation as a structure directing agent.
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7582278 |
Microporous crystalline zeolite material, zeolite ITQ-32, preparation method thereof and use of same
The invention relates to a microporous crystalline zeolite material which, in the calcined state and in the absence of defects in the crystalline lattice thereof, manifested by the presence of...
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7569207 |
Method of preparing molecular sieve SSZ-74
A method of preparing a crystalline material, herein designated as SSZ-74, comprising contacting under crystallization conditions (1) a source of silicon oxide, (2) a source of another metal oxide,...
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7563432 |
Solid crystalline COK-7, a preparation process, and use in transforming hydrocarbons
The invention concerns a solid crystalline designated COK-7, which has a particular X ray diffraction diagram. Said solid has a chemical composition, expressed on an anhydrous base in terms of...
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7560094 |
Modified layered metallosilicate material and production process thereof
A modified layered metallosilicate material is produced by a process comprising the following first to fifth steps: (First Step) a step of heating a mixture containing a template compound, a boron...
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7553477 |
Zeolitic microporous crystalline material with an LTA structure (ITQ-29), preparation method thereof and uses of same in organic compound separation and transformation processes
The invention relates to a material which, once calcined and in the anhydrous state has general formula x (M 1/n XO 2 ):z ZO 2 :y GeO 2 :(1−y) SiO 2 , wherein x has a value of less than 0.2,...
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7527778 |
Zinc-containing zeolite with IFR framework topology
A process is disclosed for preparing a zinc-containing molecular sieve having IFR framework topology and having zinc atoms in its crystal framework, said process comprising:
(a) preparing an...
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7510697 |
Molecular sieve SSZ-74 composition of matter and synthesis thereof
The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication as a structure-directing agent, and methods for...
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7507393 |
Boron-containing molecular sieve CHA
A boron-containing molecular sieve having the CHA crystal structure and comprising (1) silicon oxide and (2) boron oxide or a combination of boron oxide and aluminum oxide, iron oxide, titanium...
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7459073 |
Hydrocarbon conversion using molecular sieve SSZ-47B
The present invention relates to new crystalline molecular sieve SSZ-47B prepared using a N-cyclopentyl-1,4-diazabicyclo[2.2.2] octane cation as a structure-directing agent and an amine too large...
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7449169 |
Microporous crystalline zeolite material (zeolite ITQ-22), synthesis method thereof and use of same as a catalyst
The present invention refers to a microporous crystalline material of zeolitic nature (ITQ-22) which, in the calcined state, has the empirical formula x(M1/nX02):yYO2:zR:wH20 wherein
M is...
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7422732 |
Synthesis of amines using molecular sieve SSZ-74
The present invention relates to new crystalline molecular sieve SSZ-74 prepared using a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium)dication as a structure-directing agent, and its use in...
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7402297 |
High-silica molecular sieve CHA
A method is disclosed for synthesizing high-silica molecular sieves having the CHA crystal structure using a structure directing agent comprising a cation derived from 1-adamantamine,...
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7361327 |
Microporous crystals and synthesis schemes
Novel zeolites are produced by combining a polar solute, a silicon or phosphorous source, and a structure directing agent. Surfactants and a hydrophobic solvent are added to the previously mixed...
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7341707 |
Method for in-situ synthesis of crystalline microporous metalloaluminophosphate in a formed body
The invention concerns a method for production of microporous crystalline metalloaluminium phosphates (ELAPO) based adsorbents or catalysts by in-situ crystallisation of ELAPO inside a formed body....
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7341706 |
Method of synthesising crystalline microporous metalloaluminophosphate for a solid body
The invention concerns a simple and cheap method for production of microporous crystalline metalloaluminiumphosphates (ELAPO) for use as adsorbent or catalyst by wholly or partially filling the...
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7326401 |
MWW type zeolite substance, precursor substance therefor, and process for producing these substances
A process for easily synthesizing a zeolite substance containing an element having a large ionic radius in the framework at a high ratio. This process comprises the following first to fourth steps:...
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7323154 |
Titanosilicate, process for its production, and its use in producing oxidized compound
A titanosilicate represented by the following compositional formula (1), wherein in the infrared absorption spectrum measured in the dehydrated state, the absorption spectrum has an absorption band...
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7316807 |
Crystalline composition, preparation and use
A porous crystalline composition having a molar composition as follows: YO 2 :m X 2 O 3 :n ZO, wherein Y is a tetravalent element selected from the group consisting of silicon, germanium, tin,...
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7238337 |
Method of making all-silica zeolite with IFR structure
An all-silica zeolite having the IFR framework topology can be directly synthesized by preparing a reaction mixture comprising (1) an active source of silicon oxide, (2) a structure directing agent...
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7226576 |
Molecular sieve SSZ-56 composition of matter and synthesis thereof
The present invention relates to new crystalline molecular sieve SSZ-56 prepared using a trans-fused ring N,N-diethyl-2-methyldecahydroquinolinium cation as a structure-directing agent, methods for...
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7208137 |
Aluminum-containing zeolite with IFR structure
Zeolites having the IFR structure and containing aluminum in their crystal structure can be made by preparing a reaction mixture comprising a zeolite which is an active source of aluminum oxide, an...
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7153483 |
Crystalline molecular sieve SSZ-51 composition of matter and synthesis thereof
A novel crystalline aluminophosphate and metalloaluminophosphate of the molecular sieve type, denominated SSZ-51, is prepared by hydrothermal synthesis from reactive sources of aluminum and...
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7138099 |
Molecular sieve SSZ-73 composition of matter and synthesis thereof
The present invention relates to new crystalline, essentially all silicon oxide molecular sieve SSZ-73 prepared using a 3-ethyl-1,3,8,8-tetramethyl-3-azoniabicyclo[3.2.1]octane cation as a...
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7108843 |
Molecular sieve SSZ-70 composition of matter and synthesis thereof
The present invention relates to new crystalline molecular sieve SSZ-70 prepared using a N,N′-diisopropyl imidazolium cation as a structure-directing agent, methods for synthesizing SSZ-70 and...
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7094389 |
Chabazite-containing molecular sieve, its synthesis and its use in the conversion of oxygenates to olefins
A crystalline material substantially free of framework phosphorus and comprising a CHA framework type molecular sieve with stacking faults or at least one intergrown phase of a CHA framework type...
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7083776 |
Molecular sieve SSZ-71 composition of matter and synthesis thereof
The present invention relates to new molecular sieve SSZ-71 prepared using a N-benzyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent, methods for synthesizing SSZ-71 and...
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7074385 |
IM-12 crystallized solid and its process of preparation
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...
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7063828 |
Molecular sieve SSZ-47B having high micropore volume and synthesis thereof
The present invention relates to new crystalline molecular sieve SSZ-47B prepared using a N-cyclopentyl-1,4-diazabicyclo[2.2.2]octane cation as a structure-directing agent and an amine too large to...
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7056490 |
IM-11 crystalline solid with structure type LTA, and a process for its preparation
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...
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7056489 |
Synthesis of zeolite ITQ-16 in an alkaline medium
The invention relates to a method for synthesizing a family of zeolite materials, grouped together under the name ITQ-16, in an OH − medium and in the absence of fluorides and to the catalytic...
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7029651 |
Microporous crystalline material (ITQ-19) with laminar characteristics, preparation method and use thereof as a catalyst in the catalytic conversion of organic compounds
The invention relates to a novel microporous crystalline material ITQ-19 used in the catalytic conversion of organic compounds, such as, for example, the dewaxing and isodewaxing of paraffins and...
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7022308 |
Preparation of molecular sieve SSZ-33
Crystalline molecular sieve SSZ-33 is prepared using a mixture comprising a N,N,N -trialkyl-8-ammonium-tricyclo[5.2.1.0 2,6 ]decane quaternary ammonium cation and a...
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7014836 |
Synthesis of ITQ-17 in the absence of fluoride ions
The present invention refers to a crystalline material that does not contain fluorides, with a composition in a roasted state corresponding to that of the material called ITQ-17 and that has a...
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7011811 |
Molecular sieve SSZ-65 composition of matter and synthesis thereof
The present invention relates to new crystalline molecular sieve SSZ-65 prepared using 1-[1-(4-chlorophenyl)-cyclopropylmethyl]-1-ethyl-pyrrolidini
um or...
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7008612 |
Porous crystalline material (ITQ-21) and the method of obtaining the same in the absence of fluoride ions
The invention relates to a porous crystalline material which, in the calcined state, has a composition: X 2 O 3 :nYO 2 :mZO 2 , wherein: X represents a trivalent element; Z represents Ge; and Y...
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7008611 |
Microporous crystalline zeolite material (ITQ-20) and production method thereof
The invention relates to a microporous crystalline zeolite material having the empirical formula
x(M 1/n XO 2 ):yYO 2 :(1−y)SiO 2...
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7008610 |
AEI-Type zeolite, its synthesis and its use in the conversion of oxygenates to olefins
A crystalline material is described that has an AEI framework type, wherein the material, in its calcined, anhydrous form, has a composition involving the molar relationship:
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6942847 |
Solid crystalline IM-9, and a process for its preparation
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...
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6929789 |
Zeolite SSZ-61 composition of matter and synthesis thereof
The present invention relates to new crystalline molecular sieve SSZ-61 prepared using tetracyclic azonia cations as structure-directing agents, and methods for synthesizing SSZ-61.
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6916459 |
Zeolite ITQ-16
This invention refers to a new zeolitic material included under the ITQ-16 denomination, to the method for obtaining them and their use as catalysts. This material, ITQ-16 zeolite, is...
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6896869 |
Microporous crystalline material (ITQ-17), method for the preparation thereof and its use in processes for separating and transforming organic compounds
A microporous crystalline material of a zeolitic nature, that corresponds to the empirical formula
x (M 1/n XO 2 ): y YO 2 :z GeO 2...
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6869587 |
Crystalline molecular sieve composition MCM-65, its synthesis and use
This invention relates to a novel synthetic porous crystalline molecular sieve material, MCM-65, to a reaction mixture and method for its preparation, and to use of the MCM-65 in catalytic...
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6849248 |
Porous crystalline material (zeolite ITQ-21), the preparation method thereof and use of same in the catalytic conversion of organic compounds
A porous crystalline material (ITQ-21) which in its calcined form has the chemical composition
X 2 O 3 :nYO 2 :mZO 2
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6833127 |
Method of removing structure directing agents from molecular sieves
A structure directing agent is removed from a microporous solid at a temperature below the temperature that would cause the structure directing agent to decompose by cleaving the structure...
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6821502 |
Method of making aluminum-containing zeolite with IFR structure
Zeolites having the IFR structure and containing aluminum in their crystal structure can be made by preparing a reaction mixture comprising a zeolite which is an active source of aluminum oxide, an...
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6797254 |
Microporous crystalline material (ITQ-15), method for the preparation thereof and its use in processes for separating and transforming organic compounds
A microporous crystalline material of a zeolitic nature that, in a calcinated and anhydrous state, has a chemical composition represented by the formula: x (M 1/n XO 2 ): y YO 2 :z GeO 2 :(1− z...
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6787124 |
Synthetic porous crystalline material, EMM-1, its synthesis and use
A new synthetic porous crystalline material, designated EMM-1, is disclosed having, in its calcined form, the X-ray diffraction pattern of Table 2 above. Also disclosed are methods of making EMM-1...
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6752980 |
UZM-16: a crystalline aluminosilicate zeolitic material
An aluminosilicate zeolite and substituted version designated UZM-16 have been synthesized. These zeolites are prepared using benzyltrimethyl-ammonium (BzTMA) cation or a combination of BzTMA and...
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