| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 585661000 | Using transition metal oxide, sulfide, or salt | 25 |
| 20100022816 | Dehydrogenation of Methylbutenes to Isoprene - A method for the dehydrogenation of isoamylene to isoprene at pressures less than atmospheric utilizing a dehydrogenation catalyst is disclosed. Embodiments involve operating the dehydrogenation reactor at a pressure of 1,000 mbar or less. | 01-28-2010 |
| 20100022817 | Dehydrogenation Reactions of Hydrocarbons to Alkenes - A method for the dehydrogenation of hydrocarbons to alkenes, such as n-pentene to piperylene and n-butane to butadiene at pressures less than atmospheric utilizing a dehydrogenation catalyst are disclosed. Embodiments involve operating the dehydrogenation reactor at a pressure of 1,000 mbar or less. | 01-28-2010 |
| 20100087694 | CATALYST FOR DEHYDROGENATION OF ALKYL AROMATIC COMPOUND WHICH HAS IMPROVED PHYSICAL PROPERTIES, METHOD FOR PRODUCTION OF THE CATALYST, AND DEHYDROGENATION METHOD - A high cerium-containing dehydrogenation catalyst of alkyl aromatic compounds used in industrial scale, including iron oxide and potassium oxide, having improved physical strength of catalyst pellets, and a method for producing the catalyst, and the dehydrogenation method using the catalyst are disclosed. | 04-08-2010 |
| 20110230698 | Reactor Flowscheme for Dehydrogenation of Propane to Propylene - A process for the dehydrogenation of paraffins is presented. The process utilizes a rapid recycling of dehydrogenation catalyst between the dehydrogenation reactor and the catalyst regeneration unit. The process comprises preheating a combined hydrogen and paraffin hydrocarbon feedstream and passing the combined stream to a dehydrogenation reactor. The hydrocarbon feedstream and the catalyst pass through the reactor at a rate to limit the average residence time of the catalyst in the reactor. The catalyst is cycled to a regeneration unit, and passed through the regeneration unit to limit the average residence time of the catalyst in the regeneration unit. | 09-22-2011 |
| 20130006030 | OXIDATIVE DEHYDROGENATION OF PROPANE - The oxidative dehydrogenation of propane provides a highly selective catalyst for the oxidative dehydrogenation of propane to propylene, and a process for preparing the catalyst. The catalyst is a mixed metal oxides catalyst of the general formula Mo | 01-03-2013 |
| 20130131418 | MESOPOROUS CARBON SUPPORTED COPPER BASED CATALYST, PRODUCTION AND USE THEREOF - This invention relates to a mesoporous carbon supported copper based catalyst comprising mesoporous carbon, a copper component and an auxiliary element supported on said mesoporous carbon, production and use thereof. The catalyst is cheap in cost, friendly to the environment, and satisfactory in high temperature resistance to sintering, with a highly improved and a relatively stable catalytic activity. | 05-23-2013 |
| 20130253249 | DEHYDROGENATION PROCESS - A method of dehydrogenating a hydrocarbon, especially an alkane, to form an unsaturated compound, especially an alkene, includes contacting the alkane with a catalyst including a form of carbon which is catalytically active for the dehydrogenation reaction. The catalyst may be formed by passing a hydrocarbon over a catalyst precursor at an elevated temperature for sufficient time to form the active carbon phase, characterized in that the catalyst precursor includes less than 0.1% of a transition metal. | 09-26-2013 |
| 20130317273 | PROCESS FOR NON-OXIDATIVE DEHYDROGENATION OF ALKANE - The invention relates to a process for producing an alkene by non-oxidative dehydrogenation of an alkane, comprising contacting a feed stream comprising the alkane with a catalyst composition comprising an unsupported catalyst comprising ZrV | 11-28-2013 |
| 20140275686 | SELECTIVE ALKANE ACTIVATION WITH SINGLE-SITE ATOMS ON AMORPHOUS SUPPORT - The present invention relates generally to catalysts and methods for use in olefin production. More particularly, the present invention relates to novel amorphously supported single-center, Lewis acid metal ions and use of the same as catalysts. | 09-18-2014 |
| 20140296605 | CATALYST COMPOSITION FOR THE DEHYDROGENATION OF ALKANES - The invention relates to a catalyst composition suitable for the non-oxidative dehydrogenation of alkanes having 2-8 carbon atoms comprising silico-zinc aluminate, wherein the relative molar ratios of the elements comprised in said composition are represented by Si | 10-02-2014 |
| 20140296606 | Catalyst Bed System for an Endothermic Catalytic Dehydrogenation Process and an Endothermic Dehydrogenation Process - The present invention relates to a catalyst bed system including a horizontal catalyst bed having a mixture of at least one catalytic material and at least one first inert material, a predetermined volume of at least one second inert material arranged upstream of the catalyst bed, wherein the volume of the reactor above the catalyst bed system is not filled by any solid material (empty space). The volume of the second inert material and the volume of the reactor above the second inert material (empty space) is between 0.04 and 0.73, preferably between 0.06 and 0.3, most preferably between 0.09 and 0.2. The present invention relates also to a dehydrogenation process using this catalyst bed system. | 10-02-2014 |
| 20150018593 | Catalyst, Process For The Preparation Of Said Catalyst And Use Of Said Catalyst In A Process And In A Device For The Preparation Of Olefins - The present invention relates to a catalyst characterized in that it comprises a) at least one metal compound selected from a group consisting of metal carbide, -nitride, -silicide, -phosphide and -sulfide or mixtures thereof, wherein the metal is selected from a group consisting of molybdenum, tungsten, tantalum, vanadium, titanium, niobium, lanthanum and chromium, and b) at least one non-Brønsted-acidic binder selected from a group consisting of AlPO | 01-15-2015 |
| 20150336084 | Catalytic Cracking Catalyst for RFCC Process with Maximized Diesel Yields and a Method for the Preparation Thereof - The present invention relates to a catalytic cracking catalyst for RFCC process with maximized diesel yield which includes a clay matrix and an inorganic oxide, wherein pores with a diameter greater than 20 Å are controlled, to be greater than 80% by volume of the total pore count of the catalyst, and a method for the preparation thereof. | 11-26-2015 |
| 20160074838 | SELECTIVE ALKANE ACTIVATION WITH SINGLE-SITE ATOMS ON AMORPHOUS SUPPORT - The present invention relates generally to catalysts and methods for use in olefin production. More particularly, the present invention relates to novel amorphously supported single-center, Lewis acid metal ions and use of the same as catalysts. | 03-17-2016 |
| 20160074848 | ETHANOL DEHYDRATION CATALYST FOR ENERGY SAVING AND METHOD OF MANUFACTURING ETHYLENE USING SAME - Provided are an ethanol dehydration catalyst having a high ethylene yield even at a low temperature region, as an ethanol dehydration catalyst for converting a feedstock including anhydrous ethanol or hydrous ethanol to ethylene, and a method of preparing ethylene by using the same. In the ethanol dehydration catalyst for converting a feedstock including anhydrous ethanol or hydrous ethanol to ethylene of the present invention, the catalyst includes 0.1 wt % to 0.5 wt % of lanthanum (La) or 0.05 wt % to 1 wt % of gallium (Ga) in ZSM-5. | 03-17-2016 |
| 20160096151 | PROTON CONDUCTING CERAMIC MEMBRANE - A proton conducting ceramic membrane comprising a conducting layer, wherein said conducting layer comprises a mixture of a rare-earth tungstate as herein defined and a mixed metal oxide as herein defined. The invention also relates to a reactor comprising said membrane and the use of said membrane in a dehydrogenation process. | 04-07-2016 |
| 585662000 | Cr, Mo, or W | 9 |
| 20100010280 | CATALYST FOR DEHYDROGENATION OF HYDROCARBONS - A stationary or fluid bed dehydrogenation catalyst containing an alumina carrier, with chromium and alkali metals consisting of only sodium and potassium, added as promoters. The resultant catalyst demonstrates greater selectivity and olefin yield than prior art dehydrogenation catalysts, especially after aging. | 01-14-2010 |
| 20120016171 | SUPPORTED OXIDATIVE DEHYDROGENATION CATALYST - The present invention provides a process for the manufacture of an efficient and robust catalyst for the oxidative dehydrogenation of paraffins to olefins, preferably lower C | 01-19-2012 |
| 20120136191 | CATALYST AND PROCESS - The invention is a method of dehydrogenating a hydrocarbon, especially an alkane, to form an unsaturated compound, especially an alkene, by contacting the alkane with a catalyst comprising a form of carbon which is catalytically active for the dehydrogenation reaction. The catalyst may be formed by passing a hydrocarbon over a metal compound at a temperature greater than 650° C. | 05-31-2012 |
| 20130072739 | Chromia Alumina Catalysts for Alkane Dehydrogenation - Provided are methods of making dehydrogenation catalyst supports containing bayerite and silica. Silica-stabilized alumina powder, prepared by spray drying of bayerite powder, precipitating silica in a bayerite slurry with an acid, or impregnation or co-extrusion of bayerite with sodium silicate solution was found to be a superior catalyst support precursor. Catalysts prepared with these silica containing support materials have higher hydrothermal stability than current CATOFIN® catalysts. Also provided is a dehydrogenation catalyst comprising Cr | 03-21-2013 |
| 585663000 | With other transition metal | 5 |
| 20090023972 | Manganese oxides and their use in the oxidation of alkanes - Catalytic structures are provided comprising octahedral tunnel lattice manganese oxides ion-exchanged with metal cations or mixtures thereof. The structures are useful as catalysts for the oxidation of alkanes and may be prepared by treating layered manganese oxide under highly acidic conditions, optionally drying the treated product, and subjecting it to ion exchange. | 01-22-2009 |
| 20090062588 | CATALYST, ITS PREPARATION AND USE - A dehydrogenation catalyst is described comprising an iron oxide, an alkali metal or compound thereof, and silver or a compound thereof. Further a process is described for preparing a dehydrogenation catalyst that comprises preparing a mixture of iron oxide, an alkali metal or compound thereof, and silver or a compound thereof and calcining the mixture. A process for dehydrogenating a dehydrogenatable hydrocarbon and a process for polymerizing the dehydrogenated hydrocarbon are also described. | 03-05-2009 |
| 20090292153 | Oxydative dehydrogenation of paraffins - Lower paraffins may be oxidatively dehydrogenated in the presence of an oxidative dehydrogenation catalyst and one or more reducible metal oxides selected from the group consisting of NiO, Ce | 11-26-2009 |
| 20100249482 | METHOD OF PREPARING MULTICOMPONENT BISMUTH MOLYBDATE CATALYSTS COMPRISING FOUR METAL COMPONENTS AND METHOD OF PREPARING 1,3-BUTADIENE USING SAID CATALYSTS - This invention relates to a method of preparing multicomponent bismuth molybdate catalysts composed of four metal components and a method of preparing 1,3-butadiene using the catalyst, and particularly, to multicomponent bismuth molybdate catalysts composed of a divalent cationic metal, a trivalent cationic metal, bismuth and molybdenum, a preparation method thereof, and a method of preparing 1,3-butadiene from a C4 mixture including n-butene and n-butane using oxidative dehydrogenation. According to this invention, it is possible to prepare catalysts having high activity for the preparation process of 1,3-butadiene only using four metal components as shown through systematic investigation of types and ratios of metal components, unlike conventional multicomponent metal oxide catalysts having a complicated composition of metal components. | 09-30-2010 |
| 20130165729 | ZINC AND/OR MANGANESE ALUMINATE CATALYST USEFUL FOR ALKANE DEHDYROGENATION - The present invention relates to a catalyst composition suitable for the dehydrogenation of alkanes having 2-8 carbon atoms comprising zinc and/or manganese aluminate, optionally further comprising sodium (Na), potassium (K), caesium (Cs), rubidium (Rb), strontium (Sr), barium (Ba), magnesium (Mg), calcium (Ca), gallium (Ga), germanium (Ge),tin (Sn), copper (Cu), zirconium (Zr), cobalt (Co), tungsten (W) or mixtures thereof, wherein said catalyst composition preferably is essentially platinum free. Furthermore, a method for preparing said catalyst composition and a process for dehydrogenating alkanes having 2-8 carbon atoms, preferably isobutane, comprising contacting the said catalyst composition with said alkanes is provided. | 06-27-2013 |
