WO2002064503A1 - Sintesis en medio alcalino de la zeolita itq-16 - Google Patents
Sintesis en medio alcalino de la zeolita itq-16 Download PDFInfo
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- WO2002064503A1 WO2002064503A1 PCT/ES2002/000057 ES0200057W WO02064503A1 WO 2002064503 A1 WO2002064503 A1 WO 2002064503A1 ES 0200057 W ES0200057 W ES 0200057W WO 02064503 A1 WO02064503 A1 WO 02064503A1
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- WO
- WIPO (PCT)
- Prior art keywords
- family
- materials according
- microporous materials
- synthesis
- molar ratio
- Prior art date
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Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G11/00—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils
- C10G11/02—Catalytic cracking, in the absence of hydrogen, of hydrocarbon oils characterised by the catalyst used
- C10G11/04—Oxides
- C10G11/05—Crystalline alumino-silicates, e.g. molecular sieves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J29/00—Catalysts comprising molecular sieves
- B01J29/04—Catalysts comprising molecular sieves having base-exchange properties, e.g. crystalline zeolites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B37/00—Compounds having molecular sieve properties but not having base-exchange properties
- C01B37/005—Silicates, i.e. so-called metallosilicalites or metallozeosilites
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/023—Preparation of physical mixtures or intergrowth products of zeolites chosen from group C01B39/04 or two or more of groups C01B39/14 - C01B39/48
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/06—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis
- C01B39/08—Preparation of isomorphous zeolites characterised by measures to replace the aluminium or silicon atoms in the lattice framework by atoms of other elements, i.e. by direct or secondary synthesis the aluminium atoms being wholly replaced
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B39/00—Compounds having molecular sieve and base-exchange properties, e.g. crystalline zeolites; Their preparation; After-treatment, e.g. ion-exchange or dealumination
- C01B39/02—Crystalline aluminosilicate zeolites; Isomorphous compounds thereof; Direct preparation thereof; Preparation thereof starting from a reaction mixture containing a crystalline zeolite of another type, or from preformed reactants; After-treatment thereof
- C01B39/46—Other types characterised by their X-ray diffraction pattern and their defined composition
- C01B39/48—Other types characterised by their X-ray diffraction pattern and their defined composition using at least one organic template directing agent
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10G—CRACKING HYDROCARBON OILS; PRODUCTION OF LIQUID HYDROCARBON MIXTURES, e.g. BY DESTRUCTIVE HYDROGENATION, OLIGOMERISATION, POLYMERISATION; RECOVERY OF HYDROCARBON OILS FROM OIL-SHALE, OIL-SAND, OR GASES; REFINING MIXTURES MAINLY CONSISTING OF HYDROCARBONS; REFORMING OF NAPHTHA; MINERAL WAXES
- C10G47/00—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions
- C10G47/02—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used
- C10G47/10—Cracking of hydrocarbon oils, in the presence of hydrogen or hydrogen- generating compounds, to obtain lower boiling fractions characterised by the catalyst used with catalysts deposited on a carrier
- C10G47/12—Inorganic carriers
- C10G47/16—Crystalline alumino-silicate carriers
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S423/00—Chemistry of inorganic compounds
- Y10S423/27—Beta, e.g. NU-2
Definitions
- Beta zeolite is a microporous material with channels formed by 12-member rings, which has a characteristic diffraction pattern (Pérez-Pariente, J., Martens, J.A., Jacobs, P.A., Applied Catalysis, 3. (1987) 35).
- This zeolite is formed by an inter-growth of different polymorphs related to each other, as described in the literature (JM Newsam, MMJ Treacy, WT Koetsier, CB de Gruyter, Proc. R. Soc. London A, 420 (1988) 375).
- polymorphs A and B are the ones that fundamentally make up the intercreation called zeolite Beta (Zeolites, 5/6, (1996), 641) while polymorph C is in a smaller proportion in said intergrowth
- the present invention relates to a synthesis method in OH medium " and in the absence of fluorides, of a new family of zeolitic materials that are included in the ITQ-16 designation, and to their catalytic applications.
- the ITQ-16 zeolite is related with the Beta zeolite, but it presents a different X-ray diffractogram that is attributed to the presence of a different proportion of the different polymorphs to which I have been found in the Beta zeolite
- the ITQ-16 zeolite could be constituted, in addition to the polymorphs A and B characteristic of the beta zeolite, by another polymorph that could correspond to the polymorph C proposed by Newsam et al.
- the diffractogram obtained by the powder method and using a slit variable divergence shown in Table I, and is characterized by the following values of angle 2 ⁇ (degrees) and relative intensities (I / I), where l is 0 the intensity of the most intense peak to which a value of 100 is assigned.
- the variation in angle 2 ⁇ measurements due to instrumental error is estimated at ⁇ 0.05 degrees.
- the positions, widths and relative intensities of the diffraction peaks can be modified according to the chemical composition of the material (type of structure directing agent, Si / Ge ratio, presence of other trivalent and / or tetravalent heteroatoms (one or more) in the network , in addition to silicon and / or germanium, such as: aluminum, boron, titanium, vanadium, etc.), as well as the degree of hydration and crystal size.
- Table 2 shows the values of angle 2 ⁇ and relative intensities (l / l 0 ) of the reflections of the powder X-ray diffractogram of the previous ITQ-16 sample after being calcined at 580 ° C to eliminate organic compounds occluded inside the zeolite ,.
- d, m, f and mf have the same meanings as in table I.
- the X-ray diffraction pattern of the ITQ-16 zeolite differs mainly, from that of the Beta zeolite, in that at low angles it presents, in addition to a wide peak around a value of 2 ⁇ d & 7.6 °, two peaks at angles 20 of 6.9 ° and 9.6 °, which generally show a smaller width at half height than the peak at 7.6 °.
- this procedure describes the synthesis procedure of a family of materials that have as extreme and external limits the zeolite Beta and another polymorph that could be polymorph C.
- the peaks at 6.9 °, 7.6 ° and 9.6 ° angles are not found simultaneously.
- the present invention relates to a new method of synthesis of a material called ITQ-16, characterized by a means of synthesis with an initial pH between 14 and 9 and preferably between 13 and 10 and the use of hydroxide anions as a mineralizing agent, and without introducing fluoride anions as mineralizing agents, and the presence of organic compounds as structure directing agents.
- Said organic compounds can be tetraalkylammonium type cations with general formula (R1 R2R3R4N) + where R1, R2, R3 and R4 can be alkyl or aromatic chains from 1 carbon to 16 carbons, which may or may not form cycles on the nitrogen atom.
- n refers to the number of carbons that form some of the bridge alkyl chains between two contiguous nitrogen can vary between 1 and 6
- p refers to the number of bridge alkyl chains existing between nitrogen atoms and can vary between 2 and 24
- R refers to alkyl or aryl groups linked to a single atom of nitrogen (N) containing between 1 and 12 carbons and m being a value that can vary between 0 and 36.
- the preparation process of the present invention is based on heating at temperatures between 80 ° C and 250 ° C and preferably between 130 ° C and 175 ° C of a reaction mixture containing a source of Si, among which are preferred amorphous silica, colloidal silica, gel. of silica, tetraalkylortosilicate, sodium silicate, and a source of germanium such as for example oxide, halides or alkoxides of germanium.
- the synthesis mixture contains as the structure directing agent one or more of the following organic cations in their hydroxide form, without being therefore limiting: TEA + , BD + , BQ + , m-
- XydQ 2+ , M 4 BQ 2+ , M 4 BD 2+ , C and HMP + , MC and HMP + Alternatively, it is possible to use the organic cation in salt form (for example, a halide, preferably chloride or bromide) and add a source of alkaline or alkaline earth ions, preferably in the form of hydroxide.
- a source of alkaline or alkaline earth ions preferably in the form of hydroxide.
- trivalent cations such as Al, B, Ga, Fe or
- composition of the synthesis mixture is characterized by the following ranges of molar ratios:
- BD / (Si0 2 + GeO 2 ) between 3 and 0.01, and preferably between 1 and 0.03.
- HO / (S ⁇ O 2 + GeO 2 ) between 1000 and 0.5, and preferably between 100 and 2.
- Ge ⁇ 2 / (YesO 2 + GeO 2 ), defined as g; between 0.8 and 0.005, and preferably between 0.5 and 0.032, and more preferably between 0.333 and 0.0625.
- Si + Ge / X between 5 and ⁇ , and preferably greater than 15, and more preferably greater than 20.
- Si ⁇ 2 + GeO 2 / T ⁇ 2 between 10 and ⁇ , and preferably greater than 20.
- M n 7Si ⁇ 2 + Ge ⁇ 2 between 2 and 0, preferably between 1 and O, and more preferably between 0.5 and 0.
- X represents a element in its trivalent oxidation state such as Al, B, Fe, Ga or Cr
- T is an element in its tetravalent oxidation state such as Ti, Sn or V
- M is an alkaline or alkaline earth cation such as Na + , Ba 2+ , K + , Ca 2+ , etc.
- the solids are separated from the mother liquors by filtration or by centrifugation. As a result, a highly crystalline solid containing occluded organic material is obtained.
- the solid product obtained has a characteristic diffraction pattern (CuK ⁇ radiation) as presented in Table I, and that bears some similarity with that of the Beta zeolite (US Patent Re28341) at a high angle 2 ⁇ > 20 °, where ⁇ It is the Bragg angle, and little similarity at low angles.
- the occluded organic matter is removed by calcination under vacuum, air, N 2 'or other inert gas, at a temperature greater than 450 ° C, and preferably at a temperature greater than 500 ° C and less than 900 ° C.
- the X-ray diffraction pattern of the calcined material is presented in Table II.
- the calcined ITQ-16 zeolite has a diffraction peak around 7.6 °, characterized by a half-height width of about 1 ° and characteristic of the Beta zeolite (Newsam et al., Proc. R. Soc. London A, 1988, 420, 375) with an inter-growth of the determined polymorphs A and B, but also presents two peaks at 6.9 ° and 9.6 ° corresponding to the presence of another polymorph that could be polymorph C.
- the ITQ-16 zeolite has a different degree of intergrowth than that of the Beta zeolite.
- the material in its calcined form has the following empirical formula: x (MXO 2 ): fTO 2 : gGeO 2 : (1-g) SiO 2 where T can be one or more elements with oxidation state +4 other than Ge and Si as for example Ti, V, Sn; X can be one or more elements with oxidation state +3 such as for example Al, Ga, B, Cr, Fe and M can be H + or one or more inorganic cations of charge compensation + n such as Li + , Na + , K + , Ca 2+ , Mg 2+ , etc.
- the value of g should be between 0.8 and 0.005, and preferably between 0.5 and 0.032, and more preferably between 0.333 and 0.0625.
- the Si ⁇ 2 + Ge ⁇ 2 ⁇ 2 ratio is between 10 and ⁇ , preferably greater than 20. If you want to synthesize the ITQ-16 zeolite with trivalent cations, X, such as Al, with the Si + Ge ratio / AI is between 5 and ⁇ , and preferably greater than 15, and more preferably greater than 20.
- ITQ-16 zeolite synthesized herein the following applications are described: - as components of catalysts in a cracking process, catalytic cracking of hydrocarbons, and in general of organic compounds, in a hydrocracking process, a process of hydroisomerization of olefins, a process of isomerization of light paraffins, a process of dewaxing or isodeparaffinization, - As a component or additive of isomerization catalysts of light paraffins.
- catalysts in a hydrocracking process selected from mild hydrocracking of hydrocarbons and mild hydrocracking of functionalized hydrocarbons
- catalysts in an alkylation process selected from alkylation of olefins with isoparaffins, alkylation of isoparaffins with olefins and alkylation of aromatics or aromatics substituted with olefins or alcohols, in particular in a process of alkylation of benzene with propylene, - as catalysts in an oxidation process of Oppenauer, or a reduction process of the Meerwein-Pondorf-Verley type or
- Materials prepared according to the process of the invention containing Ti, V or Sn can be used in processes of selective oxidation of organic compounds using H 2 O 2 or organic peroxides or hydroperoxides as oxidants.
- the materials prepared according to the process of the invention containing Sn can be used in oxidation processes of the Baeyer-type
- the materials prepared according to the process of the invention can also be used as catalyst components for the removal of organic vapors (VOCs).
- VOCs organic vapors
- the ITQ-16 containing Ti its use is claimed as a catalyst for epoxidation of olefins, oxidation of alkanes, oxidation of alcohols and oxidation of thioethers to sulfoxides and sulfones using hydroperoxide, organic or inorganic, such as H 2 O 2 , tertbutylhydroperoxide, eumene hydroperoxide, as oxidizing agents.
- Figure 1 shows a characteristic diffraction pattern of the Beta zeolite
- Figure 2 shows a diffractogram of polymorph C of the Beta zeolite calculated from the structure proposed in Proc. R. Soc. London A, 420 (1988) 375.
- Figure 3 shows an X-ray diffractogram of ITQ-16 zeolite without calcining, whose network is composed of materials containing only silicon oxide and germanium, which corresponds to the data collected in Table I.
- Figure 4 shows several organic cations that can be used as the structure director.
- Figure 5 shows the diffraction pattern of the calcined ITQ-16 zeolite, which corresponds to the data given in Table II.
- Figure 6 shows a characteristic diffraction pattern of the ITQ-16 zeolite prepared according to example 2
- Figure 7 shows a characteristic diffraction pattern of the ITQ-16 zeolite prepared according to example 3
- Figure 8 shows a characteristic diffraction pattern of the ITQ-16 zeolite prepared according to example 4
- Figure 9 shows a characteristic diffraction pattern of the ITQ-16 zeolite prepared according to example 5.
- TEOS tetraethylorthosilicate
- 20.22 g of an aqueous solution of BD 9.27.10 "4 moles of BD (OH) / g).
- GeO 2 0.653 g of GeO 2 is added .
- the mixture by stirring and evaporating the ethanol formed in the hydrolysis of TEOS, and 12.3 g of water
- the resulting mixture is heated in autoclaves internally coated with PTFE at 150 ° C. After 4.5 days of heating the mixture is filtered and 22 g of ITQ-16 zeolite are obtained for every 100 g of synthesis gel.
- the X-ray diffraction pattern is presented in Figure 3.
- TEOS tetraethylorthosilicate
- TEOS tetraethylorthosilicate
- TEOS tetraethylorotsilicate
- Example 5 5.21 g of tetraethylorthosilicate (TEOS) is hydrolyzed into 14.9 g of an aqueous solution of m-XydQ (9.37.10 "3 ⁇ m-XydQ (OH) 2 / g): Next, 1 , 307 g of Ge ⁇ 2. The mixture is left stirring and evaporating the ethanol, formed in the hydrolysis of TEOS, and 2.8 g of water. The resulting mixture is heated in autoclaves internally coated with PTFE at 150 ° C. After 7 On heating days the mixture is filtered and 13 g of ITQ-16 zeolite are obtained per 100 g of synthesis gel. The X-ray diffraction pattern is presented in Figure 9.
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2002564441A JP2004523457A (ja) | 2001-02-09 | 2002-02-08 | アルカリ性媒体中でのゼオライトitq−16の合成 |
EP02710892A EP1364913A1 (en) | 2001-02-09 | 2002-02-08 | Synthesis of zeolite itq-16 in an alkaline medium |
CA002437132A CA2437132A1 (en) | 2001-02-09 | 2002-02-08 | Synthesis of zeolite itq-16 in an alkaline medium |
US10/632,535 US7056489B2 (en) | 2001-02-09 | 2003-08-01 | Synthesis of zeolite ITQ-16 in an alkaline medium |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
ESP200100385 | 2001-02-09 | ||
ES200100385A ES2200624B1 (es) | 2001-02-09 | 2001-02-09 | Sintesis en medio alcalino de la zeolita itq.-16. |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US10/632,535 Continuation US7056489B2 (en) | 2001-02-09 | 2003-08-01 | Synthesis of zeolite ITQ-16 in an alkaline medium |
Publications (1)
Publication Number | Publication Date |
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WO2002064503A1 true WO2002064503A1 (es) | 2002-08-22 |
Family
ID=8496800
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Application Number | Title | Priority Date | Filing Date |
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PCT/ES2002/000057 WO2002064503A1 (es) | 2001-02-09 | 2002-02-08 | Sintesis en medio alcalino de la zeolita itq-16 |
Country Status (6)
Country | Link |
---|---|
US (1) | US7056489B2 (es) |
EP (1) | EP1364913A1 (es) |
JP (1) | JP2004523457A (es) |
CA (1) | CA2437132A1 (es) |
ES (1) | ES2200624B1 (es) |
WO (1) | WO2002064503A1 (es) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014064318A1 (es) | 2012-10-25 | 2014-05-01 | Consejo Superior De Investigaciones Científicas (Csic) | Catalizador y proceso catalítico para la eterificación/reducción de furfuril derivados a tetrahidro-furfuril éteres |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ES2196963B1 (es) * | 2001-07-03 | 2005-02-16 | Universidad Politecnica De Valencia | Sintesis de itq-17 en ausencia de iones fluoruro. |
JP2004010537A (ja) * | 2002-06-06 | 2004-01-15 | Mitsubishi Chemicals Corp | 水熱合成用テンプレート、ケイ素含有層状化合物の製造方法及びケイ素含有層状化合物 |
FR2860224B1 (fr) * | 2003-09-26 | 2006-06-02 | Inst Francais Du Petrole | Solide cristallise im-12 et son procede de preparation |
EP1973847A1 (en) * | 2005-12-20 | 2008-10-01 | ExxonMobil Research and Engineering Company | Itq-26, new crystalline microporous material |
CA2584876A1 (en) * | 2007-02-02 | 2008-08-02 | Albemarle Netherlands Bv | A crystalline microporous material of zeolitic nature |
WO2009134534A2 (en) * | 2008-05-02 | 2009-11-05 | Exxonmobil Chemical Patents Inc. | Treatment of small pore molecular sieves and their use in the conversion of oxygenates to olefins |
US8865121B2 (en) | 2009-06-18 | 2014-10-21 | Basf Se | Organotemplate-free synthetic process for the production of a zeolitic material |
CN104692407B (zh) * | 2015-02-28 | 2016-08-31 | 中国石油天然气股份有限公司 | 一种ith结构稀土硅铝分子筛及其合成方法 |
CN105905921A (zh) * | 2016-06-29 | 2016-08-31 | 北京化工大学 | 一种itq-16分子筛的合成方法 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995022507A1 (en) * | 1994-02-18 | 1995-08-24 | Chevron U.S.A. Inc. | Zeolite ssz-42 |
WO1998029338A1 (en) * | 1996-12-31 | 1998-07-09 | Chevron U.S.A. Inc. | Zeolite ssz-45 |
ES2128961A1 (es) * | 1996-12-18 | 1999-05-16 | Univ Politecnica De Valencia C | Zeolitaitq-4. |
ES2152143A1 (es) * | 1998-02-06 | 2001-01-16 | Univ Valencia Politecnica | Sintesis de zeolitas y zeotipos de poro grande. |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
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USRE28341E (en) | 1964-05-01 | 1975-02-18 | Marshall dann | |
US6787124B2 (en) * | 2002-03-15 | 2004-09-07 | Exxonmobil Research And Engineering Company | Synthetic porous crystalline material, EMM-1, its synthesis and use |
US6733742B1 (en) * | 2002-12-26 | 2004-05-11 | Chevron U.S.A. Inc. | Molecular sieve SSZ-63 composition of matter and synthesis thereof |
-
2001
- 2001-02-09 ES ES200100385A patent/ES2200624B1/es not_active Expired - Fee Related
-
2002
- 2002-02-08 EP EP02710892A patent/EP1364913A1/en not_active Withdrawn
- 2002-02-08 CA CA002437132A patent/CA2437132A1/en not_active Abandoned
- 2002-02-08 JP JP2002564441A patent/JP2004523457A/ja not_active Ceased
- 2002-02-08 WO PCT/ES2002/000057 patent/WO2002064503A1/es active Application Filing
-
2003
- 2003-08-01 US US10/632,535 patent/US7056489B2/en not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO1995022507A1 (en) * | 1994-02-18 | 1995-08-24 | Chevron U.S.A. Inc. | Zeolite ssz-42 |
ES2128961A1 (es) * | 1996-12-18 | 1999-05-16 | Univ Politecnica De Valencia C | Zeolitaitq-4. |
WO1998029338A1 (en) * | 1996-12-31 | 1998-07-09 | Chevron U.S.A. Inc. | Zeolite ssz-45 |
ES2152143A1 (es) * | 1998-02-06 | 2001-01-16 | Univ Valencia Politecnica | Sintesis de zeolitas y zeotipos de poro grande. |
Non-Patent Citations (1)
Title |
---|
CORMA A. ET AL.: "ITQ-16: a new zeolite family of the beta group with different proportions of polymorphs A, B and C", CHEM. COMMUN., vol. 18, 2001, pages 1720 - 1721, XP002953329 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2014064318A1 (es) | 2012-10-25 | 2014-05-01 | Consejo Superior De Investigaciones Científicas (Csic) | Catalizador y proceso catalítico para la eterificación/reducción de furfuril derivados a tetrahidro-furfuril éteres |
Also Published As
Publication number | Publication date |
---|---|
US20040089587A1 (en) | 2004-05-13 |
CA2437132A1 (en) | 2002-08-22 |
US7056489B2 (en) | 2006-06-06 |
ES2200624A1 (es) | 2004-03-01 |
EP1364913A1 (en) | 2003-11-26 |
ES2200624B1 (es) | 2005-05-01 |
JP2004523457A (ja) | 2004-08-05 |
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