Class 423/700 - ZEOLITE

Subclass of Class 423 - Chemistry of inorganic compounds
Definition: Products or processes of making wherein the product is zeolite.
No. of patents: 297
Last issue date: 05/08/2012

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Number	Title	Issue Date
8173101	Method for removal of heavy metals The invention relates to a method for removing heavy metal ions from the lattice of tectosilicates or phyllosilicates, especially from zeolite mineral, particularly clinoptilolite, by exchanging ions with calcium ions. According to the inventive method, the zeolite ...	05/08/2012
8071071	Treatment of small pore molecular sieves and their use in the conversion of oxygenates to olefins A method is disclosed of treating a porous crystalline molecular sieve having a pore size less than or equal to about 5 Angstroms to decrease its coke selectivity in oxygenate to olefin conversion reactions. The method comprises contacting the molecular sieve with a...	12/06/2011
7906099	Intergrown molecular sieve, its synthesis and its use in the conversion of oxygenates to olefins A molecular sieve comprises at least one intergrown phase of an AFX framework-type molecular sieve and a CHA framework-type molecular sieve and is conveniently synthesized using a combination of N,N,N′N′-tetramethylhexane-1,6-diamine and N,N-dimethylcyclohexylam...	03/15/2011
7883686	MCM-22 family molecular sieve composition, its method of making, and use for hydrocarbon conversions This disclosure relates to a crystalline MCM-22 family molecular sieve having a platelet aggregates morphology wherein greater than 50 wt % of the molecular sieve having a crystal diameter greater than 1 μm as measured by the SEM. The crystalline MCM-22 family mole...	02/08/2011
7829062	Method of preparing a molecular sieve composition A method of preparing a crystalline molecular sieve is provided, which method comprises (a) providing a reaction mixture comprising at least one source of ions of tetravalent element Y, at least one source of alkali metal hydroxide...	11/09/2010
7758847	Molecular sieve with MFI structure containing phosphorus and metal components, preparation process and use thereof A MFI-structured molecular sieve containing phosphorus and metal components has a formula expressed in anhydrous form and on the basis of oxide weight, as follows: (0˜0.3) Na2O (0.5˜5.5) Al2O3 (1.3˜10) P2O5 (...	07/20/2010
7713512	Molecular sieve SSZ-75 composition of matter and synthesis thereof The present invention relates to new crystalline molecular sieve SSZ-75 having STI topology prepared using a tetramethylene-1,4-bis-(N-methylpyrrolidinium) dication as a structure-directing agent, and methods for synthesizing SSZ-75. ...	05/11/2010
7611689	Faujasite zeolite, its preparation and use in hydrocracking The invention provides a zeolite of the faujasite structure which has a unit cell size in the range of from 24.40 to 24.50 Å; a bulk silica to alumina ratio (SAR) in the range of from 5 to 10; and an alkali metal content of less than 0.15 wt %. Such zeolites have ...	11/03/2009
7585489	Catalytic naphtha cracking catalyst and process A process is disclosed for enhancing the production of light olefins using a catalyst with small pores. The catalyst comprises a molecular sieve having 10 membered rings with channels of limited length. The molecular sieve has a high silica to alumina ratio and has ...	09/08/2009
7507392	Method for preparing a hybrid aluminosilicate polymer and the polymer resulting from this method The present invention relates to a method for preparing a hybrid aluminosilicate polymer and the polymer resulting from this method. Said method consists in treating an aluminum halide with a mixture of at least one silicon alkoxide only having hydrolyzable substitu...	03/24/2009
7485282	Method for the preparation of metal oxides in nanometric particle form A process is described for the synthesis of metal oxides in a nanometric particle form that cannot be easily obtained by conventional bulk synthesis techniques. The method makes use of Colloid Occluded Carbons (COC) and Colloid Imprinted Carbons (CIC) as reagents an...	02/03/2009
7442365	Process for preparing molecular sieve beads A process for preparing beads of various compositions has been developed. The process involves preparing a reaction mixture of sources of framework elements of a molecular sieve. The reaction mixture can optionally contain molecular sieve seeds. Additional sources o...	10/28/2008
7431913	EUO-structural-type zeolite that contains the N,N-dimethyl-N,N-di(3,3-dimethylbutyl)ammonium cation and its process for preparation 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...	10/07/2008
7407907	Dual functional catalyst for selective opening of cyclic paraffins and process for using the catalyst A catalyst for selectively opening cyclic paraffins has been developed. The catalyst comprises a Group VIII metal, such as platinum, a modifier component, such as niobium or ytterbium, a molecular sieve, such as UZM-16 and a refractory inorganic oxide such as alumin...	08/05/2008
7405177	Catalyst for selective opening of cyclic naphtha and process for using the catalyst A catalyst and process for opening aliphatic cyclic hydrocarbons have been developed. The catalyst comprises a catalytic metal component, a molecular sieve and refractory inorganic oxide component. The molecular sieve is selected from the group consisting of MAPSOs,...	07/29/2008
7402545	Catalyst that comprises at least one bog-structured zeolite and its use in transalkylation of alkyl-aromatic hydrocarbons This invention relates to a catalyst that contains at least one BOG-structured zeolite that comprises silicon and at least one Element T that is selected from the group that is formed by aluminum, iron, gallium and boron. The catalyst contains at least one metal tha...	07/22/2008
7384887	Attrition resistant molecular sieve catalysts This invention is directed to a hardened molecular sieve catalyst composition, a method of making the composition and a method of using the composition. The catalyst composition is made by mixing together molecular sieve, liquid, and an effective hardening amount of...	06/10/2008
7384622	Zeolite nano-crystal suspension, zeolite nano-crystal production method, zeolite nano-crystal suspension production method, and zeolite thin film A zeolite suspension contains MEL-type zeolite nanocrystals as a principal component. A method for the production of MEL-type zeolite nanocrystals includes the steps of aging a synthesized solution comprising TEOS, TBAOH, water and alcohol and subjecting the aged so...	06/10/2008
7338925	Zeolite compositions having enhanced compressive strength Wellbore treating fluids that include zeolite, an activator, and an organic acid or salt thereof are provided. ...	03/04/2008
7335342	Process for the preparation of sodium silicate from Kimberlite tailing In the present invention a process for the preparation of sodium silicate from Kimberlite tailing generated as solid waste during diamond mining is disclosed. The process comprises, reacting Kimberlite tailing with mineral acid to remove acid soluble impurities foll...	02/26/2008
7332148	Hydrothermally stable metal promoted zeolite beta for NOreduction A stabilized metal promoted aluminosilicate zeolite, useful in the selective catalytic reduction of nitrogen oxides with ammonia, having a silica to alumina mole ratio of at least 8 and less than 30 and an FT-IR absorption peak at 3781 plus or minus 2 cm−1	02/19/2008
7320782	Process for preparing a layered molecular sieve composition A process for preparing a layered composition has been developed. The composition comprises an inner core and an outer layer comprising a molecular sieve. The process involves providing a slurry comprising inner core particles and sources of the framework elements o...	01/22/2008
7319082	Process for the preparation of molecular sieve adsorbent for selective adsorption of oxygen from air The invention relates to the manufacture of molecular sieve adsorbents, which are selective towards oxygen from its gaseous mixture with argon and/or nitrogen. More particularly, this invention relates to the manufacture of molecular sieve adsorbents useful for the ...	01/15/2008
7316644	Method for preparing particles of radioactive powder containing Cesium-131 for use in brachytherapy sources The present invention provides a method of preparing Cesium-131 (Cs-131) as a dispersed radioisotope. Uses of the dispersed Cs-131 prepared by the method include cancer research and treatment, such as for the use in brachytherapy. Cs-131 is particularly useful in th...	01/08/2008
7316807	Crystalline composition, preparation and use A porous crystalline composition having a molar composition as follows: YO2:m X2O3:n ZO, wherein Y is a tetravalent element selected from the group consisting of silicon, germanium, tin, titanium and combinations thereof, X is a triv...	01/08/2008
7314964	Catalytic naphtha cracking catalyst and process A process is disclosed for enhancing the production of light olefins using a catalyst with small pores. The catalyst comprises a molecular sieve having 10 membered rings with channels of limited length. The molecular sieve has a high silica to alumina ratio and has ...	01/01/2008
7304011	Compositions and processes for reducing NOemissions during fluid catalytic cracking Compositions for reduction of NOx generated during a catalytic cracking process, preferably, a fluid catalytic cracking process, are disclosed. The compositions comprise a fluid catalytic cracking catalyst composition, preferably containing a Y-type zeoli...	12/04/2007
7282465	Catalyst and its use for improving the pour point of hydrocarbon charges A catalyst comprising at least one ZBM-30 zeolite, synthesized in the presence of a particular structuring agent such as triethylenetetramine, at least one porous mineral matrix, at least one hydro-dehydrogenating element, preferably chosen from the elements of Grou...	10/16/2007
7273828	Catalyst treatment useful for aromatics conversion process A process for preparing a transalkylation catalyst, the catalyst itself, and a transalkylation process for using the catalyst are herein disclosed. The catalyst comprises rhenium metal on a solid-acid support such as mordenite, which has been treated with a sulfur-b...	09/25/2007
7271303	Multi-zone process for the production of diesel and aromatic compounds A multi-zone process for the production of low sulfur diesel and aromatic compounds wherein C9+ hydrocarbons are hydrocracked to produce low sulfur diesel and a naphtha boiling range stream which is reformed and transalkylated within reforming ...	09/18/2007
7268094	Mixed matrix membrane with super water washed silica containing molecular sieves and methods for making and using the same The present invention provides a method for preparing silica containing molecular sieves which may be mixed with an organic polymer to create a mixed matrix membrane. Further, this invention includes a method of making such a mixed matrix membrane and the membrane i...	09/11/2007
7264789	Crystalline molecular sieves A colloidal suspension of LEV structure type crystalline molecular sieve, making the suspension by washing smaller crystallites from a previously found solid LEV product, and using the suspension as seeds in further crystalline molecular sieve syntheses. ...	09/04/2007
7247593	Catalyst for aromatization of alkanes, process of making and using thereof A catalyst, a process for making the catalyst and a process for using the catalyst in aromatization of alkanes to aromatics, specifically, aromatization of alkanes having two to six carbon atoms per molecule, such as propane, to aromatics, such as benzene, toluene a...	07/24/2007
7244409	Process for producing synthetic zeolites with MFI structure A process is described for producing synthetic zeolites useful as catalysts with a MFI structure, a Si/Al atomic ratio from about 8 to 45 to 1 and very small primary crystallites. A Si source, an Al source and an organic template are reacted with one another under h...	07/17/2007
7241339	Method and apparatus for applying a gel A rotatable vacuum chamber receives an optical connector having an output face on which an optical gel is applied substantially without entrapped air. Opposite the output face is placed a gel dispenser with its opened nozzle pointing towards the output face. Uncured...	07/10/2007
7220885	Catalyst treatment useful for aromatics conversion process A process for preparing a transalkylation catalyst, the catalyst itself, and a transalkylation process for using the catalyst are herein disclosed. The catalyst comprises rhenium metal on a solid-acid support such as mordenite, which has been treated with a sulfur-b...	05/22/2007
7214844	Molecular sieve catalyst compositions, its making and use in conversion processes The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to a making a molecular s...	05/08/2007
7211239	Process for preparing a nanosized zeolitic material A process for preparing a zeolitic material, comprising (i) preparing a mixture comprising the at least one silicon containing precursor compound from which the zeolitic framework is formed, at least one pore forming agent, and at least one polymer whic...	05/01/2007
7211555	Process for preparing fine zeolite particles A process for efficiently preparing fine zeolite particles comprising synthesizing zeolite in the presence of an alkaline earth metal-containing compound and/or with controlling the preparation process of zeolite, thereby giving fine zeolite particles being composed...	05/01/2007
7201826	High performance natural zeolite microparticle retention aid for papermaking A microparticle retention aid for use in papermaking containing a high performance purified natural zeolite pigment is disclosed. Use of the pigment facilitates manufacture of papers with improved quality and economics. When used as filler, the novel zeolite pigment...	04/10/2007

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Class 423/700 - ZEOLITE