Patents in Class 502/208

Matches 51 - 100 out of 679

Match	Document	Document Title
51	7297652	Method of preparing a nanoporous nickel phosphate molecular sieve The present invention relates to a process for preparing nanoporous VSB-5 molecular sieves, and more particularly, to a process for preparing nanoporous VSB-5 molecular sieves useful as a hydrogen...
52	7279544	Transesterification process for the production of polycarbonates having a low content of volatile compounds A multi stage process for the production of polycarbonates having low monomer content is disclosed. The process entails, in sequence, (i) transesterifying in the melt at least one dihydroxyaryl...
53	7273827	Molecular sieve catalyst composition, its production 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...
54	7265075	Hydro-refining catalyst, carrier for use therein and method for production thereof A method for producing a hydrorefining catalyst of the present invention has a step of preparing an aluminum solution containing phosphorus in a molar ratio of 0.001 to 0.05 with respect to...
55	7262147	Method for preparing dehydrocyclodimerization catalyst This invention relates to a process for reactivating a dehydrocyclodimerization catalyst. Dehydrocyclodimerization catalysts which contain an aluminum phosphate binder can be deactivated when they...
56	7255849	EMM-3, new crystalline microporous material EMM-3 (ExxonMobil Material number 3) is a new crystalline microporous material with a framework of tetrahedral atoms connected by atoms capable of bridging the tetrahedral atoms, the tetrahedral...
57	7253135	Silicon-containing alumina support, a process for preparing the support and a catalyst containing the support A silicon-containing alumina support, a process for preparing the support, and a catalyst containing the support are provided. The alumina support includes an additive silicon enriched on its...
58	7247600	Catalyst composition There is provided a catalyst carrier comprising a refractory inorganic material having a sodium solubilization rate no greater than 5 ppmw/5 minutes. There is further a catalyst comprising a...
59	7238638	Composite copper/tin/alkali metal catalysts for the direct synthesis of alkylhalosilanes The alkylhalosilanes are directly synthesized while diminishing the formation of coke by reacting an alkyl halide with silicon in the presence of a catalytically effective amount of (α) a copper...
60	7235508	Metal-incorporated nanoporous nickel phosphate molecular sieve and its preparation method The present invention relates to a composition of metal-incorporated VSB-5 molecular sieve with nanopores and its preparation method, in particular, to a composition of a metal-incorporated VSB-5...
61	7223714	Method of transferring catalyst in a reaction system The invention is directed to methods of transfering catalyst particles into and within reaction systems. The reaction systems are those that use catalysts that comprise molecular sieves,...
62	7208440	Method for pretreatment of catalysts with a phosphoric acid base The invention relates to a method for pretreatment of a solid catalyst that is obtained by a reaction between an inorganic binder and phosphoric acid, whereby said method comprises a stage in which...
63	7208446	Quasi-crystalline boehmites containing additives The present invention pertains to a quasi-crystalline boehmite containing additive in a homogeneously dispersed state. Suitable additives are compounds containing elements selected from the group...
64	7208128	Manganese-based oxidation catalyst A catalyst for the oxidation of volatile organic compounds and carbon monoxide comprising manganese and alumina, such catalyst having been impregnated with a phosphorus compound. The presence of...
65	7208565	Polymerization catalyst for polyesters, polyester produced with the same, and process for production of polyester This invention provides a novel polycondensation catalyst using no antimony compound, polyester produced by using the same, and a process for producing polyester. A novel catalyst comprising an...
66	7202192	Composite catalysts for the direct synthesis of alkylhalosilanes The alkylhalosilanes are directly synthesized by reacting an alkyl halide with silicon in the presence of a catalytically effective amount of (α) a copper metal or a copper-based compound catalyst...
67	7199277	Pretreating a catalyst containing molecular sieve and active metal oxide This invention relates to processes for converting oxygenates to olefins that include a step of pretreating catalyst, which comprises molecular sieve and one or more active metal oxides of one or...
68	7196029	Process and catalysts for upgrading of hydrocarbons boiling in the naphtha range The present invention relates to the use of a catalytic system comprising a metal of group VIII, a metal of group VI, a metal oxide as carrier and suitable quantities of a component selected from a...
69	7195746	Interior surface modifications of molecular sieves with organometallic reagents and the use thereof for the conversion of oxygenates to olefins A method for making an organometallic treated molecular sieve is described in which a molecular sieve having at least one hydroxyl group and at least [AlO 2 ] and [PO 2 ] tetrahedral units and...
70	7169728	Photo-functional powder and applications thereof A condensed phosphate containing an alkaline earth metal is caused to be present on the surface of titanium dioxide fine particles, and as a result, the condensed phosphate is firmly coupled with...
71	7163908	Metathesis catalysts The present invention relates to supported catalysts based on Re 2 O 7 /(—Al 2 O 3 for use in the preparation of cycloalkadienes in a metathesis reaction, a process for preparing cycloalkadienes...
72	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...
73	7153809	P-chiral phospholanes and phosphocyclic compounds and their use in asymmetric catalytic reactions Chiral ligands and metal complexes based on such chiral ligands useful in asymmetric catalysis are disclosed. The metal complexes according to the present invention are useful as catalysts in...
74	7148179	Catalyst support A catalyst support is produced by mixing particulate synthetic silica with 0.5–10 parts by weight of one or more particulate oxides or phosphates of the elements of group IIA, IIIB, IVB, VA, VIB,...
75	7138356	Alkoxylated phosphite ester and process therefor A composition and a process for producing the composition are disclosed. The composition comprises an alkoxylated phosphite ester which has the formula of (HO[{CH(R)} m O] n ) 3 P in which each R...
76	7125821	Low metal content catalyst compositions and processes for making and using same The invention provides low metal content molecular sieve catalyst compositions, processes for making such catalysts, and processes for using such catalysts in the conversion of an oxygenate into...
77	7122500	Molecular sieve catalyst composition, 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...
78	7115198	Hydrocarbon conversion using molecular sieve SSZ-51 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...
79	7112316	Process for preparing molecular sieves via continuous addition of nutrients A process for synthesizing a variety of molecular sieves has been developed. The process involves forming a reaction mixture comprising reactive sources of the framework elements plus at least one...
80	7108935	Ion conducting composite membrane materials containing an optionally modified zirconium phosphate dispersed in a polymeric matrix, method for preparation of the membrane material and its use The invention provides composite membrane materials comprising a polymer of the state of art uniformly filled with a zirconium phosphate, preferably α-zirconium phosphate or zirconium phosphate...
81	7101820	Crystalline compositions of doped aluminum phosphate The disclosed invention relates to novel crystalline compositions which may be obtained by doping the alpha (α) form of AlPO 4 ceramics, which find use as piezoelectric materials, stable supports...
82	7094727	Heteropolyacid catalyst and method for producing the same Provided is a novel heteropolyacid catalyst useful for partial oxidation of methacrolein (MACR) to methacrylic acid (MAA), as represented by the following formula 1:
83	7091152	Catalyst composition comprising a heteropoly acid, zinc, and a support component and processes therefor and therewith A process of contacting at least one isoparaffin and at least one C 5 olefin in the presence of a catalyst composition under conversion conditions to provide for converting the at least one...
84	7078364	Ship-in-a-bottle catalysts In accordance with the present invention there is provided a novel catalyst system in which the catalytic structure is tailormade at the nanometer scale using the invention's novel ship-in-a-bottle...
85	7074739	Multi-component molecular sieve catalyst compositions and their use in aromatics reactions The invention relates to a process for producing alkylated aromatic hydrocarbons, preferably with an oxygen or sulfur containing alkylating agent, in the presence of a multi-component molecular...
86	7060643	Photo-functional powder and applications thereof A condensed phosphate containing an alkaline earth metal is caused to be present on the surface of titanium dioxide fine particles, and as a result, the condensed phosphate is firmly coupled with...
87	7057006	Stable aqueous solutions comprising titanium and zinc and process therewith A composition that can be used as catalyst in esterification, transesterification or polycondensation is disclosed, which comprises a stable solution comprising (a) titanium in the form of a...
88	7057010	Process for the continuous drying of polymers containing N or amino, ammonium or spirobicyclic ammonium groups Process for the drying of polymers containing N or amino, ammonium or spirobicyclic ammonium groups, comprising cationic N-containing groups, and suitable counterions, in which the gelled and...
89	7053022	Hydrothermally synthesized MO-V-M-NB-X oxide catalysts for the selective oxidation of hydrocarbons Hydrothermally synthesized catalysts comprising a mixed metal oxide are utilized to produce unsaturated carboxylic acids by the vapor phase oxidation of an alkane, or a mixture of an alkane and an...
90	7045482	Method for preparing a heteropolyacid catalyst from basic solvent treatments and method for preparing methacrylic acid using thererof The present invention relates to a method for preparing a heteropolyacid catalyst and method for preparing methacrylic acid using thereof. More particularly, the present invention relates to a...
91	7037874	Process for the preparation of porous crystalline silicoaluminophosphate molecular sieves The present invention relates to an improved process for the preparation of porous crystalline silicoaluminophosphate molecular sieves designated as SAPO-35. These molecular sieves are useful as...
92	7033559	Metallophosphate type IM-6 crystalized solid and the preparation method thereof The invention relates to a metallophosphate-type crystallized solid, referred to by the name IM-6, which exhibits an X-ray diffraction diagram as given below. This metallophosphate-type solid can...
93	7019165	Polyoxometallate catalysts and catalytic processes An active and selective hydrocarbon partial oxidation catalyst comprises an activated partially-reduced polyoxometallate, preferably niobium polyoxomolybdate, that is prepared from a suitable...
94	7015172	Phosphate photocatalyst comprising metal ion in d10 or d0 electron state A photo-catalyst comprising a compound having structure composing a network formed by mutual connection of an unit constructing oxygen octahedra or tetrahedra containing a transition metal ion or a...
95	7015173	High temperature mixing A catalyst comprising a mixed metal oxide is useful for the vapor phase oxidation of an alkane or a mixture of an alkane and an alkene to an unsaturated carboxylic acid and for the vapor phase...
96	7015174	Maintaining molecular sieve catalytic activity under water vapor conditions The invention is directed to methods for protecting metalloaluminophosphate molecular sieves, particularly silicoaluminophosphate (SAPO) molecular sieves, from loss of catalytic activity due to...
97	6992037	Precious metal catalyst for debenzylation One aspect of the invention relates to catalyst composite containing a metal catalyst and a specifically defined carbon support containing a carbonaceous material. For example, the carbon support...
98	6974889	Processes for manufacture of molecular sieves Colloidal crystalline molecular sieve seeds are used in phosphorus-containing crystalline molecular sieve manufacture. Certain of the products have enhanced utility in oxygenate conversions.
99	6962614	Additive for diesel particulate filter An additive to a fuel oil for a Diesel engine having a Diesel particulate filter (DPF), which comprises a molybdenum compound and having the function of improving the combustion property of a...
100	6960328	Zirconium phosphate and method of making same A zirconium phosphate compound having a Zr:P ratio of from about 1.80-2.0 to 1, which compound's H-form exhibits a single peak at −13.7±0.5 ppm in the 31 P NMR spectra. The compound is useful...

Matches 51 - 100 out of 679

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