Class / Patent application number | Description | Number of patent applications / Date published |
423705000 | Amine | 39 |
20090053135 | PROCESS FOR THE PREPARATION OF ZMS-5 ZEOLITES - Process for the synthesis of ZMS-5 zeolites essentially consisting of: a. preparing two aqueous solutions of sodium aluminate and silicate; b. putting the two solutions in contact with each other under stirring at room temperature; c. adding a solution of a mineral acid to solution (a) or to solution (b) or to solution (a)+(b), in such a quantity that the molar ratio OH | 02-26-2009 |
20090068091 | EUO-STRUCTURAL TYPE ZEOLITE THAT CONTAINS THE N,N-DIMETHYL-N,N-DI(3,3-DIMETHYLBUTYL)AMMONIUM CATION AND ITS PROCESS FOR PREPARATION - A process for preparing a zeolite beta is described, comprising at least the following steps:
| 03-12-2009 |
20100196262 | SAPO-34 MOLECULAR SIEVE HAVING BOTH MICROPORES AND MESOPORES AND SYNTHESIS METHODS THEREOF - The present invention relates to a SAPO-34 molecular sieve having both micropores and mesopores and synthesis method thereof. The mesopore diameter in the molecular sieve is in a range of 2-10 nm and the mesopore volume thereof is 0.03-0.3 cm | 08-05-2010 |
20130108545 | SYNTHESIS OF A CRYSTALLINE SILICOALUMINOPHOSPHATE | 05-02-2013 |
20130164212 | UZM-39 ALUMINOSILICATE ZEOLITE - A new family of coherently grown composites of TUN and IMF zeotypes have been synthesized. These zeolites are represented by the empirical formula. | 06-27-2013 |
20130287680 | SAPO-34 MOLECULAR SIEVE HAVING BOTH MICROPORES AND MESOPORES AND SYNTHESIS METHODS THEREOF - The present invention relates to a SAPO-34 molecular sieve having both micropores and mesopores and synthesis method thereof. The mesopore diameter in the molecular sieve is in a range of 2-10 nm and the mesopore volume thereof is 0.03-0.3 cm | 10-31-2013 |
20150147269 | METAL SILICOALUMINOPHOSPHATE MOLECULAR SIEVE WITH RHO FRAMEWORK STRUCTURE, AND METHOD FOR PREPARING THE SAME - The present invention relates to a metal silicoaluminophosphate molecular sieve MeAPSO with a RHO framework structure and a preparation method thereof. The metal silicoaluminophosphate molecular sieve is characterized in that: the metal atoms are at least one of vanadium, copper, molybdenum, zirconium, cobalt, manganese, magnesium, iron, nickel and zinc. The chemical composition of said metal silicoaluminophosphate molecular sieve in anhydrous state is expressed as: mR.nMe.(SixAlyPz)O | 05-28-2015 |
20150290632 | IRON AND COPPER-CONTAINING CHABAZITE ZEOLITE CATALYST FOR USE IN NOx REDUCTION - A chabazite (CHA) zeolite catalyst containing iron and copper is provided as an SCR catalyst for reducing nitrogen oxides (NO | 10-15-2015 |
20160121316 | LEV-TYPE ZEOLITE AND PRODUCTION METHOD THEREFOR - The present invention provides an LEV-type zeolite which is less likely than a conventional LEV-type zeolite to have reduced zeolite crystallinity even when exposed to high-temperature, high-humidity environments, particularly high-temperature, high-humidity environments of at least 700° C. The LEV-type zeolite has a molar ratio of silica to alumina of at least 20 and a molar ratio of silanol groups to silicon of at most 1.5×10 | 05-05-2016 |
423706000 | Cyclic | 23 |
20080292543 | 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, (3) fluoride ions, and (4) a structure directing agent comprising a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication. A method of preparing a crystalline material having a defined X-ray powder diffraction pattern, by (1) forming a reaction mixture having one or more metal oxides, one being silicon oxide, and a hexamethylene-1,6-bis-(N-methyl-N-pyrrolidinium) dication, (2) maintaining the reaction mixture at an elevated temperature until crystals are formed, (3) separating the crystalline material, and (4) optionally calcining the crystalline material. A method for preparing a crystalline material, comprising (1) forming a defined reaction mixture, (2) maintaining the reaction mixture under conditions where crystals are formed, (3) separating out the crystalline material, and (4) water-washing and drying the crystalline material such that it has a defined X-ray powder diffraction pattern. | 11-27-2008 |
20090060835 | METHOD FOR PREPARING SSZ-26/33 ZEOLITES USING NOVEL STRUCTURE DIRECTING AGENTS - The present invention is directed to a process for preparing zeolites belonging to the SSZ-26/33 family of zeolites using novel nitrogen-based structure directing agents | 03-05-2009 |
20090068092 | 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 silanols, has empirical formula x(M | 03-12-2009 |
20090104112 | METHOD FOR MAKING MOLECULAR SIEVE SSZ-83 - The present invention is directed to a method for making a new crystalline molecular sieve designated SSZ-83 using a 1,4-bis(N-butylpiperidinium)butane dication or a 1,4-bis(N-butylpyrrolidinium)butane dication as a structure directing agent. | 04-23-2009 |
20090214418 | MOLECULAR SIEVE SSZ-83 - The present invention is directed to a new crystalline molecular sieve designated SSZ-83 synthesized using a 1,4-bis(N-butylpiperidinium)butane dication or a 1,4-bis(N-butylpyrrolidinium)butane dication as a structure directing agent. | 08-27-2009 |
20100003188 | METHOD FOR INTERCALATING CHROMOPHORES INTO ZEOLITE-L NANOCHANNELS AND PRODUCTS THEREOF - The present invention discloses a method for the intercalation of a chromophore within channels of a zeolite L crystal. The intercalated chromophores exhibit J type aggregation of the chromophores within the channels of the zeolite L crystals. The invention discloses method parameters which lead to the J type aggregation of the chromophores within the channels of the zeolite L crystals. The J type aggregation of the chromophores affords unique florescent properties rendering the intercalated zeolite L crystals as a material for use in novel optoelectronic devices. | 01-07-2010 |
20100111828 | MICROPOROUS CRYSTALLINE SILICOALUMINO/(METALLO) ALUMINOPHOSPHATE MOLECULAR SIEVE AND METHOD OF SYNTHESIS THEREOF - A novel microporous crystalline silicoalumino/(metallo)aluminophosphate molecular sieve framework (designated as BPC-1), having in its as-synthesized form, an X-ray diffraction pattern including the lines listed in Table 1, and method of its synthesis using 4-dimethylaminopyridine as organic templating agent in fluoride medium under microwave-hydrothermal conditions. | 05-06-2010 |
20100189640 | METHOD FOR MAKING MOLECULAR SIEVE SSZ-79 - The present invention is directed to a method for making new crystalline molecular sieve designated SSZ-79 using 1,8-dimethyl-1,4,8,11-tetraazacyclotetradecane or 1,4,8,11-tetramethyl-1,4,8,11-tetraazacyclotetradecane as a structure directing agent. | 07-29-2010 |
20100254895 | METHOD FOR PREPARING CHA-TYPE MOLECULAR SIEVES USING NOVEL STRUCTURE DIRECTING AGENTS - The present invention is directed to a process for preparing CHA-type molecular sieves using at least one cationic 1,4-diazabicyclo[2.2.2]octane-based structure directing agent in conjunction with at least one cationic cyclic nitrogen-containing structure directing agent. | 10-07-2010 |
20100260665 | MOLECULAR SIEVES AND RELATED METHODS AND STRUCTURE DIRECTING AGENTS - Method for preparing molecular sieves and molecular sieves obtained thereby are described. The method includes preparing a reaction mixture, comprising a structure directing agent, at least one source of at least one oxide of a tetravalent element, optionally, one or more sources of one or more oxides selected from the group consisting of oxides of trivalent elements, pentavalent elements, and mixtures thereof, optionally, at least one source of an element selected from Groups 1 and 2 of the Periodic Table; and optionally, hydroxide ions or fluoride ions, and maintaining the reaction mixture under conditions sufficient to form crystals of the molecular sieve. In the method, various imidazolium cations are used as the structure directing element. | 10-14-2010 |
20110318262 | METHOD FOR PREPARING MOLECULAR SSZ-81 - The present invention is directed to a method for preparing a new crystalline molecular sieve designated SSZ-81 using a structure directing agent selected from 1,5-bis(1-azonia-bicyclo[2.2.2]octane)pentane dications, 1,5-bis(1,4-diazabicyclo[2.2.2]octane)pentane dications, and mixtures thereof. | 12-29-2011 |
20120114553 | METHOD FOR PREPARING SMALL CRYSTAL SSZ-32 - The invention is directed to a method for making small crystal zeolites, such as small crystal SSZ-32, in the absence of an amine component. | 05-10-2012 |
20120275995 | GERMANOSILICATE SSZ-75 - The present invention relates to new germanosilicate SSZ-75 molecular sieve, and methods for synthesizing germanosilicate SSZ-75. | 11-01-2012 |
20130280161 | SOLVOTHERMAL SYNTHESIS PROCESS OF SAPO MOLECULAR SIEVES AND CATALYSTS PREPARED THEREBY - A solvothermal synthesis process of the SAPO molecular sieves and catalysts prepared thereby are provided. The synthesis process comprises the following steps: a) an organic amine, an aluminum source, a phosphorus source, a silicon source, and water are mixed in a molar ratio of 6-30:1:0.5-5:0.01-1.0:0.1-15, to obtain an initial mixture for preparing the SAPO molecular sieves, wherein the molar ratio of water to the organic amine is less than 2.0; b) the initial mixture obtained in the step a) is maintained at 30-60° C. to and aged with stirring for not more than 24 hours, to obtain an initial gel; c) the initial gel obtain in the step b) is crystallized at 150-250° C. for 0.5-15 days. The SAPO molecular sieves prepared thereby are used, after being calcined at 400-700° C. in air, as catalysts for acid-catalyzed reactions or for conversion reactions of oxygen-containing compounds to olefins. | 10-24-2013 |
20140093448 | MOLECULAR SIEVES AND RELATED METHODS AND STRUCTURE DIRECTING AGENTS - Method for preparing molecular sieves and molecular sieves obtained thereby are described. The method includes preparing a reaction mixture, comprising a structure directing agent, at least one source of at least one oxide of a tetravalent element, optionally, one or more sources of one or more oxides selected from the group consisting of oxides of trivalent elements, pentavalent elements, and mixtures thereof, optionally, at least one source of an element selected from Groups 1 and 2 of the Periodic Table; and optionally, hydroxide ions or fluoride ions, and maintaining the reaction mixture under conditions sufficient to form crystals of the molecular sieve. In the method, various imidazolium cations are used as the structure directing element. | 04-03-2014 |
20140154174 | PROCESS AND ZEOLITIC MATERIALS FOR THE SEPARATION OF GASES - The present invention relates to a process for the separation of gases which comprises putting a mixture of gases in contact with a zeolite of the ESV type to obtain the selective adsorption of at least one of the gases forming the gaseous mixture. The present invention also relates to particular zeolitic compositions suitable as adsorbents. | 06-05-2014 |
20140234207 | MCM-56 Manufacture - The present invention provides an improved method for manufacturing high quality porous crystalline MCM-56 material. It also relates to the MCM-56 material manufactured by the improved method, catalyst compositions comprising same and use thereof in a process for catalytic conversion of hydrocarbon compounds. One such conversion process involves production of monoalkylated aromatic compounds, particularly ethylbenzene and cumene, by the liquid or partial liquid phase alkylation of alkylatable aromatic compound, particularly benzene. | 08-21-2014 |
20150104378 | SYNTHESIS OF BOROSILICATE TON-FRAMEWORK TYPE MOLECULAR SIEVES - A method is disclosed for synthesizing borosilicate TON-framework type molecular sieves in a hydroxide media using a 1,3-dimethylimidazolium cation or a 1,4-bis(N-methylimidazolium)butane dication as a structure directing agent. | 04-16-2015 |
20150110712 | CRYSTALLINE MOLECULAR SIEVES AND RELATED STRUCTURE-DIRECTING AGENTS, METHODS AND SYSTEMS - A composition and method for preparing molecular sieves having a STW framework structure are described wherein a structure directing agent comprising quaternary cation 1,2,3,4,5-pentamethyl-1H-imidazol-3-ium is contacted with a source of an oxide of a first tetravalent element with or without a source of an oxide of another tetravalent elements and/or a source of a trivalent element in a molar ratio of tetravalent element: trivalent element 100:1 and greater. | 04-23-2015 |
20150368115 | PROCESS FOR PREPARING A TITANIUM-CONTAINING ZEOLITIC MATERIAL HAVING AN MWW FRAMEWORK STRUCTURE - A process for the preparation of a titanium-containing zeolitic material having an MWW framework structure, the process comprising (i) providing a zeolitic material having an MWW framework structure comprising SiO | 12-24-2015 |
20160002058 | PROCESS FOR PREPARING A BORON CONTAINING ZEOLITIC MATERIAL HAVING MWW FRAMEWORK STRUCTURE - A process for preparing an aluminum-free boron containing zeolitic material comprising the framework structure MWW (BMWW), comprising (a) hydrothermally synthesizing the BMWW from a synthesis mixture containing water, a silicon source, a boron source, and an MWW template compound obtaining the BMWW in its mother liquor, the mother liquor having a pH above 9; (b) adjusting the pH of the mother liquor, obtained in (a) and containing the BMWW, to a value in the range of from 6 to 9; (c) separating the BMWW from the pH-adjusted mother liquor obtained in (b) by filtration in a filtration device. | 01-07-2016 |
20160137518 | AFX ZEOLITE - Provided is a novel form of AFX zeolite, a novel synthesis technique for producing pure phase AFX zeolite, a catalyst comprising the AFX zeolite in combination with a metal, and methods of using the same. | 05-19-2016 |
20160185610 | SYNTHESIS OF ALUMINOSILICATE MOLECULAR SIEVES HAVING THE IFR STRUCTURE TYPE - This disclosure is directed to a method for directly preparing pure phase aluminosilicate molecular sieves having the IFR framework type using a colloidal aluminosilicate composition in the presence of N-benzyl-4-aza-1-azoniabicyclo[2.2.2]octane cations as a structure directing agent. | 06-30-2016 |
423707000 | Hydroxyl | 5 |
20090291046 | UNIFORMLY B-ORIENTED MFI ZEOLITE MEMBRANE WITH VARIABLE THICKNESS SUPPORTED ON SUBSTRATE AND PREPARATION METHOD THEREOF - A b-oriented MFI zeolite membrane with variable thickness is provided. The MFI zeolite membrane is composed of zeolite crystals whose b-axes are all uniformly oriented perpendicular to a substrate. Further provided is a method for preparing the MFI zeolite membrane. The method comprises forming zeolite or zeotype molecular sieve seeds with different thicknesses on a substrate and adding the seeded substrate to a gel for the synthesis of an MFI zeolite containing a structure-directing agent to grow zeolite or zeotype molecular sieve crystals thereon. The MFI zeolite membrane overcomes the limitations of prior art zeolite membranes to maximize its applicability. | 11-26-2009 |
20100119442 | PROCESS FOR PREPARING A HETEROATOM-COMPRISING SILICATE - The present invention relates to a process for preparing at least one sheet silicate comprising Ga and/or Zn, and based thereon, a framework silicate, preferably of the RRO structure type, to the sheet silicate and framework silicate themselves and to the uses of the silicates, especially of the framework silicate, preferably as catalysts. | 05-13-2010 |
20110243837 | Method for Making Mesoporous or Combined Mesoporous and Microporous Inorganic Oxides - A method for making a mesoporous or combined mesoporous/microporous inorganic oxide includes reacting a source of inorganic oxide with a complexing agent at a complexation temperature to provide a complex; decomposing the complex to provide a porous material precursor having an inorganic oxide framework containing at least some organic pore-forming agent; and removing the organic pore forming agent from the inorganic oxide framework by solvent extraction and/or calcination. | 10-06-2011 |
20150315031 | SAPO-34 Zeolite Having Diglycolamine as Templating Agent and Synthesis Method for the Zeolite - The present invention provides a SAPO-34 molecular sieve, whose chemical composition in the anhydrous state is expressed as: mDGA.(Si | 11-05-2015 |
20160145112 | Synthesis of DDR Framework-Type Molecular Sieves - A process for synthesizing a DDR framework-type molecular sieve comprises crystallizing a reaction mixture comprising water, a source of silicon, and a structure directing agent, Q, selected from the group consisting of a methyltropinium salt, a 2,6,N,N-tetramethylpiperidinium salt, a 2,N,N-trimethylpiperidinium salt and mixtures thereof, wherein the reaction mixture has a molar ratio of water to silicon from 5 to 80 and a molar ratio of alkali or alkaline earth metal, M, to silicon less than 0.01. | 05-26-2016 |
423708000 | Diamine | 2 |
20140161718 | SYNTHESIS OF Cu/SAPO-34 WITH VARIABLE COPPER LOADINGS - A Cu-amine complex of hydrated copper sulfate and ethylene diamine or an oligomer of ethylene diamine is employed in a direct (one-pot) synthesis of a copper-cation containing silicoaluminophosphate (SAPO) zeolite material having the Cu/SAPO-34 structure. The copper-amine complex is included in an aqueous gel of precursors of the SiO | 06-12-2014 |
20160376159 | ZEOLITES WITH MWW FRAMEWORK FORMED OF SILICON AND ZINC OR IRON, AND RELATED METHODS - A Zn—Si or Fe—Si zeolite having an MWW framework may be formed by treating a gel solution with a hydrothermal treatment. The gel solution includes water, a silicon source, a zinc or iron source, and an MWW-templating agent. The hydrothermal treatment may include dissolving the source materials in the gel solution, and heating the gel solution with the dissolved sources to induce hydrothermal crystallization in the gel solution. The zeolite can be substantially free of aluminum, and can be used in a catalyst, or in a separation or purification device. | 12-29-2016 |