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| Number | Title | Issue Date |
| 4447669 | Production of hydrocarbons from methanol in the presence of zeolite catalysts Production of unsaturated hydrocarbons of 2-5 carbon atoms from methanol in the presence of zeolitic catalysts is effected by introducing gaseous methanol into a carrier gas, the concentration of the methanol in the entering mixture being between 5 and 60... | 05/08/1984 |
| 4420419 | Abrasion-resistant granular zeolite and process for preparation thereof Disclosed is an abrasion-resistant granular zeolite formed from a mixture of a synthetic zeolite and a clay binder, said granular zeolite comprising a core composed of a synthetic zeolite clay binder mixture containing the synthetic zeolite at a content h... | 12/13/1983 |
| 4400576 | Catalyst preparation Catalysts for the isomerization of n-paraffins are prepared by treating mordenite with an acid solution comprising Na- or K-ions and thereafter with a solution of an NH4 -compound, mixing the thus treated mordenite with an inert binder material... | 08/23/1983 |
| 4390457 | Synthesis of molecular sieves using 2-aminopyridine as a template Crystalline aluminosilicate molecular sieves are formed by (1) forming an aqueous mixture of an oxide of aluminum, an oxide of silicon, a metal or ammonium cation and 2-aminopyridine organic template compound, (2) maintaining the pH of such mixture betwee... | 06/28/1983 |
| 4388221 | Vanadium-phosphorus-tin-mordenite oxidation catalysts Oxidation catalysts having large surface areas and which are suitable for converting C4 to C10 hydrocarbons to maleic anhydride are disclosed, comprising the oxides of vanadium, phosphorus and tin in combination with hydrogen mordeni... | 06/14/1983 |
| 4377502 | Synthesis of crystalline aluminosilicate molecular sieves Crystalline aluminosilicate molecular sieves are prepared by (1) forming an aqueous mixture of an oxide of aluminum, an oxide of silicon, a metal or ammonium cation and a suitable oxygen-containing monomeric organic template compound, (2) maintaining the ... | 03/22/1983 |
| 4361502 | Catalyst for the pyrolysis of hydrocarbons A catalyst, for the catalytic pyrolysis of hydrocarbons to olefins and diolefins at temperatures in the range of 600°-750° C. and pressures of 0.1 to 20 atmospheres, is a bifunctional synthetic modified mordenite zeolite of the formula (yH.zM.uNa) O.Al | 11/30/1982 |
| 4359409 | Catalyst preparation Catalysts for the isomerization of n-paraffins are prepared by treating mordenite with an acid solution comprising Na- or K-ions and thereafter with a solution of an NH4 -compound, mixing the thus treated mordenite with an inert binder material... | 11/16/1982 |
| 4341664 | Hydrocarbon dehydrogenation with an attenuated superactive multimetallic catalytic composite for use therein Dehydrogenatable hydrocarbons are dehydrogenated by contacting them, at hydrocarbon dehydrogenation conditions, with a novel attenuated superactive multimetallic catalytic composite comprising a combination of a catalytically effective amount of a pyrolyz... | 07/27/1982 |
| 4325808 | Hydrocarbon conversion catalyst system and method A hydrocarbon conversion catalyst system comprising a mixture of a first catalyst containing a noble metal component deposed on a refractory inorganic oxide and a second catalyst containing a non-noble metal component deposed on a support containing a ref... | 04/20/1982 |
| 4323481 | Synthesis of molecular sieves using beta-diketones as organic templates A ferrierite crystalline aluminosilicate is prepared by (1) forming an aqueous mixture of an oxide of aluminum, an oxide of silicon, a metal cation and a beta-diketone as a template compound, (2) maintaining the pH of such mixture between 9 and 14, and (3... | 04/06/1982 |
| 4259299 | Process for removing ozone from an ozone-containing gas A process for removing ozone from an ozone-containing gas which comprises treating the gas with a molded product obtained by the following steps, (a) wet-blending powdery or particulate activated carbon and zeolite in the presence of an organic binder and/or a... | 03/31/1981 |
| 4250059 | Catalytic composite, method of manufacture This invention provides a catalytic composite prepared by calcining a zeolite of the mordenite crystal structure containing less than about 5 wt. % sodium as Na2 O in admixture with a refractory inorganic oxide and an ammonium salt, the method ... | 02/10/1981 |
| 4246141 | Catalyst for incinerating H2 S to SO2 A catalyst for incinerating H2 S to SO2 in the temperature range of 300°-900° F. comprises a vanadium oxide or sulfide supported on a refractory oxide comprising hydrogen mordenite.... | 01/20/1981 |
| 4240932 | Exchanged mordenite catalysts and processes for producing the same This invention relates to exchanged mordenite and catalysts employing the same.... | 12/23/1980 |
| 4191632 | Process for the production of benzene from hydrocarbon fractions rich in alkyl-aromatic hydrocarbons and containing paraffinic and naphthenic hydrocarbons A process for producing benzene is provided which comprises the steps of subjecting a charge rich in alkylaromatic hydrocarbons and containing 2-20% by weight paraffinic and/or naphthenic hydrocarbons, in a first catalytic zone, to a hydrotreatment in the... | 03/04/1980 |
| 4180693 | New preparation process of a catalyst for converting aromatic hydrocarbons Process for manufacturing a catalyst for hydrocarbon conversion consisting of a mordenite containing less than 0.5% by weight ofsodium, having a molar ratio SiO2 /Al2 O3 from 10 to 100 and further containing at least one m... | 12/25/1979 |
| 4172813 | Process for selectively hydrodealkylating/transalkylating heavy reformate Fractionated heavy reformate containing ethyltoluenes and propylbenzenes is selectively hydrodealkylated and transalkylated to produce ethylbenzene-lean xylenes, benzene and C2 -C4 paraffins in the presence of a catalyst comprising a... | 10/30/1979 |
| 4172816 | Catalytic process for preparing olefins by hydrocarbon pyrolysis A process and catalyst for the catalytic pyrolysis of hydrocarbon to olefins and diolefins at temperatures in the range 600°-750° C. and pressures of 0.1 to 20 atmospheres. The catalyst is a bifunctional synthetic modified mordenite zeolite of the formu... | 10/30/1979 |
| 4152297 | Pretreating process for the stabilization of a catalyst for the conversion of aromatic hydrocarbons A method of stabilizing a catalyst for the conversion of aromatic hydrocarbons in the presence of hydrogen such as the isomerization of C8 aromatic hydrocarbons to increase the content of p-xylene, is carried out by contacting a catalyst in adv... | 05/01/1979 |
| 4151120 | Preparation process of a catalyst for converting aromatic hydrocarbons Process for manufacturing a catalyst for hydrocarbon conversion consisting of a mordenite containing less than 0.5% by weight of sodium, having a molar ratio SiO2 /Al2 O3 from 10 to 100 and further containing at least one ... | 04/24/1979 |
| 4137152 | Selective high conversion cracking process A catalytic process is provided for cracking a hydrocarbon charge stock containing aromatic nuclei components and non-aromatic nuclei components which involves contacting such chargestock with a catalyst composition having an alkali metal content less tha... | 01/30/1979 |
| 4131568 | Catalytic synthesis of low molecular weight hydrocarbons This invention relates to an improvement in a Fischer-Tropsch catalytic process for synthesizing a hydrocarbon stream and to the resulting catalyst. The improvement for synthesizing a high percentage of C2 -C4 hydrocarbons and obtain... | 12/26/1978 |
| 4121996 | Hydrocracking process for the production of LPG Hydrocarbons are converted with a catalyst comprising a Group VIII metal component combined with an extruded support containing alumina and mordenite. Key feature of the process involves the critical quantities of mordenite and alumina present in the comp... | 10/24/1978 |
| 4120825 | Hydrogenative conversion catalyst Hydrocarbon conversion methods employing unique catalyst compositions exhibiting improved conversion characteristics particularly as regards denitrogenation and/or cracking selectivity to predetermined boiling range products involve the use of a catalytic... | 10/17/1978 |
| 3972832 | Phosphorus-containing zeolite catalyst This specification discloses, as a composition of matter, a phosphorus-containing zeolite and discloses a method for preparing it. The composition is a crystalline aluminosilicate zeolite having a silica to alumina ratio of at least about 12, a constraint... | 08/03/1976 |
| 3953587 | Zeolite catalyst for dilute acid gas treatment via claus reaction Certain zeolite materials have been found to be effective zeolite adsorbents-catalysts for the adsorption and conversion of sulfuric compounds to elemental sulfur. These zeolites adsorb hydrogen sulfide and sulfur oxides and promote the reaction of these ... | 04/27/1976 |
| 3932554 | Isomerization of saturated hydrocarbons with mordenite catalyst containing fluorine and chlorine Process for isomerizing saturated hydrocarbons in the presence of a catalyst composition comprised of platinum or palladium on a fluorine-containing mordenite-type aluminosilicate, the fluorine having been introduced to the composition by halogenation wit... | 01/13/1976 |
