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| Number | Title | Issue Date |
| 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 catalysts for synthesizing amines. ... | 09/09/2008 |
| 7148388 | Process for preparing and olefinic hydrocarbon mixture In a process for preparing an olefinic hydrocarbon mixture comprising at least 5% by weight of mono-olefin oligomers of the empirical formula: CnH2n where n is greater than or equal to 6, a feedstock comprising n-butene and... | 12/12/2006 |
| 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 processes employing SSZ-70 in a catalyst. ... | 09/19/2006 |
| 7074384 | Crystalline molecular sieves A new family of crystalline molecular sieves is described having a characteristic XRD pattern as illustrated in FIG. 1, and having three sharp peaks at 2θ (CuKα) of 8.82, 12.44, and 23.01. ... | 07/11/2006 |
| 7038100 | Aromatics alkylation The present invention provides a process for producing an alkylaromatic compound comprising the step of contacting an alkylatable aromatic compound with an alkylating agent under alkylation conditions in the presence of a alkylation catalyst comprising phosphorus an... | 05/02/2006 |
| 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 the disproportionation of toluene. Said material has a characteristic ... | 04/18/2006 |
| 7029642 | Crystalline solid UVL-1 and a process for hydroconverting/hydrocracking hydrocarbon feeds The invention concerns a novel crystalline solid UVL-1 which has an X ray diffraction diagram containing at least the following characteristic peaks: | 04/18/2006 |
| 7025948 | ITQ-31 crystalline solid, and a process for its preparation The invention concerns a crystalline solid, designated ITQ-31, which has the X ray diffraction diagram given below. Said solid has a chemical composition, expressed as the anhydrous base in terms of moles of oxide, defined by the general formula XO2: mYO | 04/11/2006 |
| 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(M1/nXO2):yYO2:(1−y)SiO2 wherein x has a value less than 0.02; y has a value less than 0.1; M is at le... | 03/07/2006 |
| 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: X2O3:nYO2:mZO2, wherein: X represents a trivalent element; Z represents Ge; and Y represents at least one tetravalent ... | 03/07/2006 |
| 6995295 | Alkylaromatics production A process is described for producing an alkylaromatic compound by reacting an alkylatable aromatic compound with a feed comprising an alkene and an alkane in a multistage reaction system comprising at least first and second series-connected alkylation reaction zones... | 02/07/2006 |
| 6953767 | Silicoaluminophosphate molecular sieve The present invention relates to a silicoaluminophosphate molecular sieve comprising at least one intergrown phase of molecular sieves having AEI and CHA framework types, wherein said intergrown phase has an AEI/CHA ratio of from about 5/95 to 40/60 as determined by... | 10/11/2005 |
| 6946420 | Coordination catalyst systems employing chromium support-agglomerate and method of their preparation The present invention is directed to a coordinating catalyst system comprising at least one pre-catalyst selected from late transition metal bidentate or tridentate ligand containing compounds, at least one support-agglomerate having chromium immobilized thereto (e.... | 09/20/2005 |
| 6943224 | Process for preparing supported transition metal catalyst systems and catalyst systems prepared thereby A process for forming a coordination catalyst system comprising sequentially or substantially simultaneously contacting: (I) pre-catalyst reactants comprising (a) at least one first ligand-containing reactant; and (b) at least one first transition metal reactant sui... | 09/13/2005 |
| 6936744 | Alkylaromatics production The present invention provides a process for producing a monoalkylated aromatic compound, particularly cumene, comprising the step of contacting a polyalkylated aromatic compound with an alkylatable aromatic compound under at least partial liquid phase conditions an... | 08/30/2005 |
| 6933419 | Production of diisopropylbenzene A process for the disproportionation of cumene is disclosed which comprises the step of contacting a feed containing cumene, under disproportionation conditions, with a catalyst comprising a molecular sieve, preferably TEA-mordenite. The contacting step disproportio... | 08/23/2005 |
| 6927261 | Method of making supported transition metal polymerization catalysts and compositions formed therefrom The present invention is directed to a novel one-step method for forming a supported catalyst complex of high activity by substantially simultaneously contacting a bidentate or tridentate ligand forming compound, a transition metal compound and a Lewis acid support-... | 08/09/2005 |
| 6919491 | Process for preparing short chain alkyl aromatic compounds A process for producing alkyl aromatic compounds which comprises contacting at least one aromatic compound with at least one alkylating agent or transalkylating agent possessing at least one aliphatic group having from 1 to 5 carbon atoms under alkylation or transal... | 07/19/2005 |
| 6909026 | Process for liquid phase aromatics alkylation comprising in-situ catalyst reactivation with polar compounds The catalyst becomes at least partially deactivated by sorbing catalyst poisons present in the feed during a process for alkylating aromatics by contacting a feed containing benzene, toluene, xylenes, alkylbenzenes, naphthalene or substituted naphthalenes under liqu... | 06/21/2005 |
| 6812372 | Silicoaluminophosphate molecular sieve The present invention relates to a silicoaluminophosphate molecular sieve comprising at least one intergrown phase of molecular sieves having AEI and CHA framework types, wherein said intergrown phase has an AEI/CHA ratio of from about 5/95 to 40/60 as determined by... | 11/02/2004 |
| 6767858 | Synthesis of alumino- and silicoalumino-phosphates of CHA framework type The invention is directed to a method of synthesizing aluminophosphate and silicoaluminophosphate molecular sieves and in particular to the synthesis of aluminophosphate and silicoaluminophosphate molecular sieves using N-methylethanolamine as template with or witho... | 07/27/2004 |
| 6756030 | Crystalline aluminosilicate zeolitic composition: UZM-8 Applicants have synthesized a family of microporous aluminosilicate zeolites and substituted versions thereof which are identified as UZM-8. These new compositions can be prepared using either only one or more organoammonium cations, such as diethyldimethylammonium ... | 06/29/2004 |
| 6696033 | Microporous acidic oxide with catalytic properties ITQ-18 The invention concerns a microporous crystalline material, with a characteristic X-ray diffractogram, made up by oxygen tetrahedra and one metal (T+4 and T+3) with the possibility of introducing surface acidity produced by the substi... | 02/24/2004 |
| 6607705 | Process for the preparation of molecular sieve silicas A process for the preparation of mesostructured molecular sieve silicas from inorganic silicon precursors and polyoxyethylene oxide based polymers is described. The silicas are stable upon calcination to 600° to 800° C. The silicas are useful in refinin... | 08/19/2003 |
| 6565643 | Process for preparing synthetic clay minerals The invention pertains to a process for preparing a synthetic clay mineral which comprises silicon, aluminum, and at least one octahedron ion, which clay mineral has a total content of sodium and potassium of less than 0.5 wt. %, comprising the steps of a... | 05/20/2003 |
| 6555090 | Acid oxide with micro and mesoporous characteristics: ITQ-36 The invention deals with a microporous crystalline material, with a characteristic X-ray diffractogram, comprised of oxygen tetrahedra and a metal (T+4 and T+3) with the possibility of introducing surface acidity produced by the subs... | 04/29/2003 |
| 6469226 | Delaminated microporous solid The invention concerns a microporous oxide material ITQ6, with a characteristic X-ray diffraction pattern, and surface areas for which microporous surface area may be of at least 20 m2 /g the external surface area may be at least 350 m2 | 10/22/2002 |
| 6419891 | Synthetic crystalline MCM-69, its synthesis and use This invention relates to a new synthetic crystalline material comprising acidic surface silanol groups, designated MCM-69, a method for its preparation and use thereof in catalytic conversion of organic compounds.... | 07/16/2002 |
| 6391278 | Catalytic applications of mesoporous metallosilicate molecular sieves and methods for their preparation A neutral templating route to mesoporous molecular sieves based on H-bonding and self-assembly between neutral primary amine or diamine surfactants (S°) and neutral inorganic precursors (I°) has been used to prepare hexagonal and lamellar mesoporous sil... | 05/21/2002 |
| 6358486 | Inorganic oxides with mesoporosity or combined meso-and microporosity and process for the preparation thereof Bimodal amporphous inorganic material that in a pore size distribution plot has distinct mesopore and micropore peaks. A process for producing a bimodal material or a material that contains essentially only mesopores involves heating an inorganic oxide in... | 03/19/2002 |
| 6193943 | Catalytic applications of mesoporous metallosilicate molecular sieves and methods for their preparation A neutral templating route to mesoporous molecular sieves based on H-bonding and self-assembly between neutral primary amine or diamine surfactants (S°) and neutral inorganic precursors (I°) has been used to prepare hexagonal and lamellar mesoporous sil... | 02/27/2001 |
| 6043179 | Zeolite CIT-5 and method of making The present invention relates to new crystalline zeolite CIT-5 prepared using a N(16) methylsparteinium cation templating agent.... | 03/28/2000 |
| 6040258 | Zeolite CIT-5 and method of making The present invention relates to new crystalline zeolite CIT-5 prepared using a N(16) methylsparteinium cation templating agent.... | 03/21/2000 |
| 6033643 | Zeolite SSZ-45 The present invention relates to new crystalline zeolite SSZ-45 prepared using an N-substituted DABCO cation templating agent.... | 03/07/2000 |
| 5972820 | Methods of making stabilized crystalline alumina compositions, and alumina compositions and catalyst supports made therefrom Methods of making substantially phase-pure and thermally stable crystalline alumina compositions stabilized with an oxide of silicon, germanium, phosphorus, arsenic or a mixture thereof. Also provided are crystalline alumina compositions and catalyst supp... | 10/26/1999 |
| 5925449 | Method for bonding fiber reinforcement on concrete and steel structures and resultant products Fiber-reinforced geopolymeric resin having a mole ratio of SiO2 :Al2 O3 of at least equal to 6, and preferably at least equal to 10, adheres well to both concrete and steel, and is used to protectively cover infrastructure... | 07/20/1999 |
| 5879655 | Method of making microporous non-zeolitic molecular sieves The present invention is a method for synthesizing non-zeolitic molecular sieves which have a three-dimensional microporous framework structure comprising AlO2 ! and PO2 ! units. In preparing the reaction mixture, a critical feat... | 03/09/1999 |
| 5877106 | Stabilized crystalline alumina compositions New thermally- and hydrothermally-stable δ-alumina compositions stabilized with an oxide of silicon, germanium, phosphorus, arsenic or a mixture thereof and methods of preparation of same are provided. Also provided are catalyst supports and catalysts ma... | 03/02/1999 |
| 5858081 | Kaolin derivatives Amorphous derivatives of kaolin group minerals characterized by high specific surfaces and/or high cation exchange capacities and a 27 AL MAS NMR spectrum having a dominant peak at about 55 ppm relative to Al(H2 O)63+... | 01/12/1999 |
| 5840264 | Crystalline inorganic oxide compositions prepared by neutral templating route This invention relates to new crystalline organic compositions having unique combinations of framework-confined uniform mesopores and textural mesopores and to a method for their preparation. The compositions typically possess a framework wall thickness o... | 11/24/1998 |
