| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 585660000 | Using extraneous agent containing Pt-group metal and non-Pt-group metal | 17 |
| 20080242911 | CH ACTIVATION/DEHYDROGENATION OF HYDROCARBONS - A catalyst comprising a
| 10-02-2008 |
| 20080306320 | Dehydrogenation and polymerization process - Process for the production of an isoprene containing rubber compound by dehydrogenation of an isoamylene containing feedstock supplied to a dehydrogenation reactor containing a particulate dehydrogenation catalyst comprising iron and potassium and having a pore diameter of at least 500 nanometers. The dehydrogenation reactor is operated at a temperature of at least 570° C. to dehydrogenate the isoamylene to produce isoprene. The product containing isoprene and unreacted isoamylene is recovered from the dehydrogenation reactor. Isoprene is polymerized to produce an isoprene containing rubber product. An unreacted feed component containing isoamylene is separated from the rubber product and recycled to the dehydrogenation reactor. | 12-11-2008 |
| 20090275792 | Dehydrogenation process with water control - The activity of a dehydrogenation catalyst is improved by increasing the water concentration maintained in the reactants toward the start of the catalyst's life, but after the catalyst has deactivated to the extent that the temperature required to maintain the conversion per pass of paraffinic hydrocarbon through the reaction zone increases by at least 2° C. | 11-05-2009 |
| 20100168493 | PROCESS FOR DEHYDROGENATION IN THE PRESENCE OF A BIMETALLIC OR MULTI-METALLIC CATALYST THAT HAS AN OPTIMIZED BIMETALLICITY INDEX AND AN OPTIMIZED HYDROGEN ADSORPTION CAPACITY - The invention relates to a process for dehydrogenation of a hydrocarbon feedstock in the presence of a catalyst that comprises a noble metal M that is selected from the group that consists of platinum, palladium, rhodium, and iridium, at least one promoter X1 that is selected from the group that consists of tin, germanium, and lead, and optionally a promoter X2 that is selected from the group that consists of gallium, indium and thallium, an alkaline or alkaline-earth compound and a porous substrate, in which the atomic ratio X1/M and optionally X2/M is between 0.3 and 8, the H | 07-01-2010 |
| 20100286461 | PROCESS FOR CONTINUOUS HETEROGENEOUSLY CATALYZED PARTIAL DEHYDROGENATION OF AT LEAST ONE HYDROCARBON TO BE DEHYDROGENATED - A process for continuous heterogeneously catalyzed partial dehydrogenation of at least one hydrocarbon to be dehydrogenated in a reactor which is manufactured from a steel with specific elemental composition on its side in contact with the reaction gas, and also partial oxidations of the dehydrogenated hydrocarbon and the reactor itself. | 11-11-2010 |
| 20120302811 | Catalysts Having Catalytic Material Applied Directly to Thermally-Grown Alumina and Catalytic Methods Using Same; Improved Methods of Oxidative Dehydrogenation - The invention describes catalysts, methods of making catalysts, methods of making a microchannel reactor, and methods of conducting chemical reactions. It has been discovered that superior performance can be obtained from a catalyst formed by directly depositing a catalytic material onto a (low surface area) thermally-grown alumina layer. Improved methods of conducting oxidative dehydrogenations are also described. | 11-29-2012 |
| 20130072738 | SUPPORTED CATALYST FOR DIRECT DEHYDROGENATION OF n-BUTANE AND PREPARING METHOD OF BUTENES FROM n-BUTANE USING THE SAME - Disclosed is a method for preparing butene from n-butane by direct dehydrogenation using a specific supported catalyst. | 03-21-2013 |
| 20130158328 | PROCESS FOR PRODUCING UNSATURATED HYDROCARBONS AND DEHYDROGENATION CATALYST USED IN THE PROCESS - The invention provides a process for producing an unsaturated hydrocarbon by dehydrogenating a hydrocarbon into a corresponding unsaturated hydrocarbon with use of a nontoxic catalyst having a long catalytic life. | 06-20-2013 |
| 20130178682 | NON-OXIDATIVE DEHYDROGENATIVE PROCESS - Use a supported catalyst that includes a catalyst support and a combination of nickel, gallium, and, optionally, one or more of an alkali metal, an alkaline earth metal and a lanthanide to effect non-oxidative dehydrogenation of an oxygen-free gaseous stream that comprises an alkane such as ethane, propane or butane to a product stream that comprises a corresponding alkene such as propylene where the alkane is propane. | 07-11-2013 |
| 20140200384 | DEHYDROGENATION MANGANESE-CONTAINING CATALYST, ITS USE AND METHOD OF PREPARATION - A catalyst composition useful for the dehydrogenation of hydrocarbon comprises components (A)-(G). Component (A) is a catalyst substrate. (B) is platinum. (C) is at least one of germanium, tin, lead, gallium, indium, and titanium. (D) is phosphorus, the total amount of component (D) being at a level of from 1 wt. % to 3 wt. %. (E) is at least one of magnesium, calcium, strontium, barium, radium, and a lanthanide, the total amount of component (E) being at a level of from 0.1 wt. % to 5 wt. %. (F) is chloride at a level of 0.1 wt. % to 2 wt. %. Component (G) is manganese. The catalyst may be used in the conversion of hydrocarbons wherein a hydrocarbon feed is contacted with the catalyst within a reactor under hydrocarbon conversion reaction conditions to form hydrocarbon conversion products. Sources of the various components are combined in a method to form the catalyst composition. | 07-17-2014 |
| 20140200385 | REACTIVATING PROPANE DEHYDROGENATION CATALYST - Increase propane dehydrogenation activity of a partially deactivated dehydrogenation catalyst by heating the partially deactivated catalyst to a temperature of at least | 07-17-2014 |
| 20140309470 | PREPARATION METHOD OF PLATINUM/TIN/ALUMINA CATALYST FOR DIRECT DEHYDROGENATION OF n-BUTANE AND METHOD FOR PRODUCING C4 OLEFINS USING SAID CATALYST - The provided is a preparation method of a platinum/tin/alumina catalyst which comprises platinum as an active component having high activity to direct dehydrogenation of n-butane, tin capable of preventing platinum particles from being sintered and maintaining a size of the platinum particles to be small, thereby improving dispersibility and increasing an amount at an active site during the dehydrogenation and also capable of suppressing carbon deposition, thereby increasing stability of the catalyst, and as an support for supporting them, an alumina support which is known as being suitable for direct dehydrogenation of n-butane and is capable of maintaining high dispersibility of the platinum with high thermal and mechanical stability, and a method for producing high value-added C4 olefins through direct dehydrogenation of inexpensive n-butane by using the catalyst prepared by the preparation method. | 10-16-2014 |
| 20140323785 | CATALYST COMPOSITE FOR DEHYDROGENATION OF HYDROCARBONS AND METHOD OF PREPARATION THEREOF - The present invention provides a dehydrogenation catalyst composite that is capable of providing a dehydrogenated hydrocarbon product characterized by a bromine number of at least 19. for hydrocarbons. The dehydrogenation catalyst of the present invention comprises a nano-sized complex containing a Group VIII component; a group IVA component and a sulfur containing capping agent; an alkali component; a halogen component; and a support with an inner core of alpha alumina and an outer layer comprising a mixture of gamma alumina and delta alumina. | 10-30-2014 |
| 20140378731 | CATALYTIC COMPOSITION AND PROCESS FOR THE DEHYDROGENATION OF BUTENES OR MIXTURES OF BUTANES AND BUTENES TO GIVE 1,3-BUTADIENE - The present invention relates to a catalytic composition which comprises microspheroidal alumina and an active component containing a mixture comprising Gallium and/or Gallium oxides, Tin and/or Tin oxides, a quantity ranging from 1 ppm to 500 ppm with respect to the total weight of the catalytic composition of platinum and/or platinum oxides, and oxides of alkaline and/or alkaline earth metals. | 12-25-2014 |
| 20150038758 | PREPARATION METHOD OF PLATINUM/TIN/METAL/ALUMINA CATALYST FOR DIRECT DEHYDROGENATION OF n-BUTANE AND METHOD FOR PRODUCING C4 OLEFINS USING SAID CATALYST - The provided is a method for preparing a platinum-tin-metal-alumina catalyst by comprising: as an active ingredient, platinum which has a high activity in a direct dehydrogenation reaction of n-butane, tin which can increase the catalyst stability by preventing carbon deposition; additionally metal for reducing the level of catalyst inactivation over the reaction time; and an alumina carrier for supporting said components. Further, provided is a method for producing a high value product, C4 olefins from low cost n-butane by using the catalyst prepared by the method according to the present invention in a direct dehydrogenation reaction. | 02-05-2015 |
| 20150126792 | Method of Preparing an Alumina Catalyst Support and Catalyst for Dehydrogenation Reactions, and its Use - A method of forming a dehydrogenation catalyst support is carried out by forming a mixture comprising a bayerite aluminum hydroxide (Al(OH) | 05-07-2015 |
| 20160199823 | SELECTIVE ZEOLITE SUPPORTED CATALYSTS FOR PROPANE AND BUTANE DEHYDROGENATION | 07-14-2016 |
