| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 585601000 | Diolefin product | 42 |
| 20100179362 | SELECTIVATED ISOOLEFIN DIMERIZATION USING METALIZED RESINS - A process for the dimerization of isoolefins, including: contacting an isoolefin with a solid catalyst composition passivated with at least one of an ether, an alcohol, and water; wherein the solid catalyst composition comprises at least one of a solid phosphoric acid catalyst and a resin of a macroporous matrix of polyvinyl aromatic compound crosslinked with a divinyl compound and having thereon from about 3 to 5 milli equivalents of sulfonic acid groups per gram of dry resin; and wherein at least 50% to less than 100% of acid groups in the solid catalyst composition are neutralized with a metal of Al, Fe, Zn, Cu, Ni, or mixtures thereof. The catalyst may be metalized prior to placement in a reactor or may be metalized in situ. | 07-15-2010 |
| 20100280299 | METHOD FOR THE PRODUCTION OF ALPHA, OMEGA-OLEFINS BY USING THE COPPER CATALYZED COUPLING REACTION OF A GRIGNARD REAGENT WITH AN ALLYLIC SUBSTRATE - A process for the synthesis of linear α,ω-diolefins from an allylic substrate comprises the steps of a) forming the bis-Grignard reagent XMgCH | 11-04-2010 |
| 20120165588 | USE OF SUPPORTED RUTHENIUM-CARBENE COMPLEXES IN CONTINUOUSLY OPERATED REACTORS - The present invention relates to a process for carrying out a chemical reaction in the presence of a ruthenium-carbene complex supported on silicon dioxide in a continuously operated reactor and also the use of corresponding supported catalysts in continuously operated reactors. | 06-28-2012 |
| 585602000 | With heat conservation or using solid inert heat carrier, e.g., regenerative furnace, etc. | 1 |
| 20120078026 | METHOD FOR PRODUCTION OF CONJUGATED DIOLEFIN - There is provided a method for production of a conjugated diene from a monoolefin having four or more carbon atoms by a fluidized bed reaction. The method for production of a conjugated diolefin includes bringing a catalyst in which an oxide is supported on a carrier into contact with a monoolefin having four or more carbon atoms in a fluidized bed reactor in which the catalyst and oxygen are present, wherein the method satisfies the following (1) to (3):
| 03-29-2012 |
| 585603000 | From nonhydrocarbon feed | 7 |
| 20100261942 | Microbial derived isoprene and methods for making the same - A method for producing isoprene comprising an aqueous medium including genetically modified host cells capable of producing isoprene, where the resulting isoprene composition is processed through at least one separation and/or purification process to provide an isoprene enriched composition and a system for doing the same. | 10-14-2010 |
| 585606000 | O-containing | 6 |
| 20140024872 | BIOREFINERY SYSTEM, METHODS AND COMPOSITIONS THEREOF - The present disclosure relates to bioengineering approaches for producing biofuel and, in particular, to the use of a C | 01-23-2014 |
| 20150105598 | METHOD FOR PRODUCING OCTADIENE - An object of the present invention is to provide a process for producing an octadiene from 2,7-octadienyl formate in an industrially useful manner in which palladium can maintain its catalytic activity for a long period of time. More specifically, the present invention relates to a process for producing an octadiene which includes the steps of continuously adding 2,7-octadienyl formate into a reaction system in which a mixture of a palladium compound, a tertiary organophosphorus compound and a solvent is present; and subjecting the 2,7-octadienyl formate to reaction while continuously distilling off a reaction product containing the resulting octadiene out of the reaction system. | 04-16-2015 |
| 585607000 | Plural O-containing organic compounds | 1 |
| 20160082417 | PROCESS FOR THE PRODUCTION OF 1,3-BUTADIENE - The invention relates to the use of a novel silica-supported trimetallic (La/Zr/Zn) catalyst in the production of 1,3-butadiene from ethanol. The presence of lanthanum in the catalyst further comprising zirconium and zinc increases the catalyst's yield and selectivity to 1,3-butadiene. | 03-24-2016 |
| 585608000 | With unsaturated hydrocarbon in feed | 1 |
| 20140288343 | METHOD OF FORMING C5 DI-OLEFINS - A process is disclosed that includes reacting a C1 source with n-butene to form a C-5 diolefin. | 09-25-2014 |
| 585609000 | Alcohol | 2 |
| 20130217942 | PRODUCTION OF ISOPRENE FROM ISO-BUTANOL - The present invention is a process to make isoprene comprising:
| 08-22-2013 |
| 20150307416 | PRODUCTION OF ISOPRENE FROM ISO-BUTANOL - A process to make isoprene may include providing a reaction zone containing an acidic aqueous solution. The process may include introducing, continuously or intermittently, in the reaction zone a mixture containing isobutanol and an aqueous solution of formaldehyde. The process may include operating the reaction zone at conditions effective to dehydrate isobutanol to iso-butene, and produce isoprene by reaction of formaldehyde and iso-butene, while distilling away a mixture containing produced isoprene and water. | 10-29-2015 |
| 585613000 | By C content reduction, e.g., cracking, etc. | 1 |
| 585615000 | Butadiene product per se | 1 |
| 20190144759 | CRACKING FURNACE | 05-16-2019 |
| 585616000 | By dehydrogenation | 30 |
| 585617000 | Using nonhydrocarbon acceptor | 23 |
| 585621000 | Elemental O acceptor | 23 |
| 20120130137 | PRODUCTION PROCESS OF CONJUGATED DIENE - The present invention relates to a process of producing a conjugated diene including a step of mixing a raw material gas containing a monoolefin having a carbon atom number of 4 or more with a molecular oxygen-containing gas and supplying the mixture into a reactor, and a step of obtaining a corresponding conjugated diene-containing product gas produced by the oxidative dehydrogenation reaction of the monoolefin having a carbon atom number of 4 or more in the presence of a catalyst, wherein the concentration of a combustible gas in the gas supplied to the reactor is not less than the upper explosion limit and the oxygen concentration in the product gas is from 2.5 to 8.0 vol %. | 05-24-2012 |
| 20140200380 | Process for Preparing 1,3-Butadiene from N-Butenes by Oxidative Dehydrogenation - The invention relates to a process for preparing butadiene from n-butenes, which comprises the steps:
| 07-17-2014 |
| 20140200381 | Process for Preparing Butadiene by Oxidative Dehydrogenation of N-Butenes with Monitoring of the Peroxide Content During Work-Up of the Product - The invention relates to a process for preparing butadiene from n-butenes, which comprises the following steps:
| 07-17-2014 |
| 20140221719 | PREMIXER, RADIALLY FIXED BED REACTOR, REACTION SYSTEM FOR OXIDATIVE DEHYDROGENATION - The present disclosure provides a premixer for at least two gases, comprising: a tabular body having a closed end and an opposite, open end; a first flow passage for receiving a first gas, the first flow passage axially extending through the closed end into the tabular body in a sealable manner; a conical tube arranged in the tabular body, wherein a small end of the conical tube communicates with the first flow passage, and a large end of the conical tube extends toward the open end with an edge thereof being fixed to an inner wall of the tabular body, thereby defining a sealed distribution chamber between the tabular body and the conical tube; and a second flow passage arranged on a side portion of the tabular body for receiving a second gas, wherein the second flow passage communicates with the distribution chamber, so that the second gas can be introduced into said conical tube via the distribution chamber in a substantially radial manner. The present disclosure further relates to a radially fixed bed reactor comprising the premixer, a reaction system of oxidative dehydrogenation of butene comprising the racially fixed bed reactor, and a corresponding process. | 08-07-2014 |
| 20150376091 | INTEGRATION OF N-C4/N-C4=/BD SEPARATION SYSTEM FOR ON-PURPOSE BUTADIENE SYNTHESIS - A process for the production of butadiene is presented. The process combines the separation of butenes and butadienes extracted from a non-oxidated dehydrogenation process with the separation of butenes and butadienes from an oxidative dehydrogenation process to increase the butadiene yields and reduce the equipment for the recovery of a butadiene product. | 12-31-2015 |
| 20160152529 | ADSORPTIVE RECOVERY OF BUTADIENE FROM ON PURPOSE BUTADIENE PRODUCTION | 06-02-2016 |
| 20160152531 | METHOD FOR PRODUCING 1,3-BUTADIEN FROM N-BUTENES BY MEANS OF AN OXIDATIVE DEHYDROGENATION | 06-02-2016 |
| 20170233313 | PROCESS FOR PREPARING 1,3-BUTADIENE FROM N-BUTENES BY OXIDATIVE DEHYDROGENATION | 08-17-2017 |
| 585624000 | With metal oxide or hydroxide extraneous agent | 15 |
| 20130090509 | Single-Step Precipitation Method of Producing Magnesia-zirconia Complex Carrier for Catalyst for Oxidative Dehydrogenation of n-Butane, Magnesium Orthovanadate Catalyst Supported on Magnesia-zirconia Complex Carrier, and Method of Producing n-Butene and 1,3-Butadiene Using Said Catalyst - The present invention discloses a method of producing a magnesia-zirconia complex carrier for a catalyst for oxidative dehydrogenation of n-butane through a single-step precipitation process wherein the oxidative dehydrogenation of n-butane is to produce n-butene and 1,3-butadiene from n-butane; a method of producing a magnesium orthovanadate catalyst supported by thus prepared magnesia-zirconia complex carrier; and a method of producing n-butene and 1,3-butadiene using said catalyst. | 04-11-2013 |
| 585625000 | Ferrite | 4 |
| 20120059208 | MODIFIED ZINC FERRITE CATALYST AND METHOD OF PREPARATION AND USE - A catalyst for oxidative dehydrogenation of organic compounds is provided by forming a solution of catalyst precursor components comprised of Fe | 03-08-2012 |
| 20130158325 | MIXED MANGANESE FERRITE COATED CATALYST, METHOD OF PREPARING THE SAME, AND METHOD OF PREPARING 1,3-BUTADIENE USING THE SAME - This invention relates to a method of preparing a mixed manganese ferrite coated catalyst, and a method of preparing 1,3-butadiene using the same, and more particularly, to a method of preparing a catalyst by coating a support with mixed manganese ferrite obtained by co-precipitation at 10˜40° C. using a binder and to a method of preparing 1,3-butadiene using oxidative dehydrogenation of a crude C4 mixture containing n-butene and n-butane in the presence of the prepared catalyst. This mixed manganese ferrite coated catalyst has a simple synthetic process, and facilitates control of the generation of heat upon oxidative dehydrogenation and is very highly active in the dehydrogenation of n-butene. | 06-20-2013 |
| 20140066680 | CATALYST FOR THE OXIDATIVE DEHYDROGENATION OF BUTENE TO BUTADIENE AND PREPARATION PROCESS THEREOF - The present disclosure provides a catalyst for oxidative dehydrogenation of butene to butadiene, comprising at least one compound of formula Zn | 03-06-2014 |
| 20190144362 | BUTADIENE PREPARATION METHOD PROVIDING EXCELLENT CATALYST REPRODUCIBILITY | 05-16-2019 |
| 585626000 | Oxide of As, Bi, or Sb | 10 |
| 20140012057 | METHOD FOR PRODUCING CONJUGATED DIENE - Disclosed is a method for producing a conjugated diene by subjecting a monoolefin having a carbon atom number of 4 or more and an oxygen gas to an oxidative dehydrogenation reaction by using a molybdenum-containing metal oxide catalyst under heat removal with a coolant, wherein an amount of molybdenum adhered onto a cooling heat transfer surface within a reactor is kept at not more than 20 mg/m | 01-09-2014 |
| 20140163288 | Catalyst and Process for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a catalyst which comprises a catalytically active multimetal oxide which comprises molybdenum and at least one further metal has the general formula (I) | 06-12-2014 |
| 20140163289 | Coated Catalyst for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a coated catalyst which comprises
| 06-12-2014 |
| 20140163290 | Process for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a process for the oxidative dehydrogenation of n-butenes to butadiene, which comprises two or more production steps (i) and at least one regeneration step (ii), in which
| 06-12-2014 |
| 20140163291 | Process for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a catalyst, in particular a coated catalyst, for the oxidative dehydrogenation of n-butenes to butadiene, its use and also a process for the oxidative dehydrogenation of n-butenes to butadiene. | 06-12-2014 |
| 20140163292 | Process for the Oxidative Dehydrogenation of N-Butenes to Butadiene - The invention relates to a process for the oxidative dehydrogenation of n-butenes to butadiene, which comprises at least two production steps (i) and at least one regeneration step (ii), in which
| 06-12-2014 |
| 20150375212 | OXIDATION CATALYST FOR PRODUCTION OF BUTADIENE AND METHOD OF PREPARING THE SAME - Disclosed is a multi-component bismuth molybdate catalyst for production of butadiene which comprises bismuth, molybdenum and at least one metal having a monovalent, divalent or trivalent cation, and further comprises cesium and potassium and thus has advantages of improving conversion ratio, yield and selectivity of butadiene and of providing stability of process operation. | 12-31-2015 |
| 20160016864 | PROCESS FOR PRODUCING BUTADIENE - A process for producing butadiene from a monoolefin having 4 carbon atoms by a vapor-phase catalytic oxidation reaction in a fluidized bed reactor, including a first step of producing the butadiene by bringing the monoolefin having 4 carbon atoms into contact with a catalyst and a second step of removing a part of the catalyst from the fluidized bed reactor while the vapor-phase catalytic oxidation reaction is proceeding, regenerating the catalyst removed, and feeding the regenerated catalyst to the fluidized bed reactor while the vapor-phase catalytic oxidation reaction is proceeding, wherein a ratio of an amount (kg/hr) of the regenerated catalyst fed to an amount (kg/hr) of the monoolefin having 4 carbon atoms fed is 0.3% or more. | 01-21-2016 |
| 20160152530 | METHOD FOR THE OXIDATIVE DEHYDROGENATION OF N-BUTENES TO BUTADIENE | 06-02-2016 |
| 20160152532 | METHOD FOR OXIDATIVELY DEHYDROGENATING N-BUTENES INTO 1,3-BUTADIENE | 06-02-2016 |
| 585627000 | Using extraneous nonhydrocarbon agent, e.g., catalyst, etc. | 7 |
| 20090088594 | BISMUTH MOLYBDATE-BASED CATALYSTS, METHOD OF PREPARING THEREOF AND METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF - This invention relates to a bismuth molybdate catalyst, a preparation method thereof, and a method of preparing 1,3-butadiene using the same, and to a bismuth molybdate catalyst, a preparation method thereof, and a method of preparing 1,3-butadiene using the same, in which 1,3-butadiene can be prepared through oxidative dehydrogenation directly using a C4 mixture including n-butene and n-butane as a reactant in the presence of a mixed-phase bismuth molybdate catalyst including α-bismuth molybdate (Bi2Mo3On) and γ-bismuth molybdate (Bi2MoO6). According to this invention, the C4 raffinate, containing many impurities, is used as a reactant, without an additional n-butane separation process, thus obtaining 1,3-butadiene at high yield. Unlike complicated multicomponent-based metal oxides, the catalyst of the invention has simple constituents and synthesis routes, and can be easily formed through physical mixing, and thus is very advantageous in assuring reproducibility and can be directly applied to commercial processes. | 04-02-2009 |
| 20120232320 | METHOD OF PRODUCING CARRIER FOR CATALYST FOR OXIDATIVE DEHYDROGENATION OF N-BUTANE, METHOD OF PRODUCING CARRIER-SUPPORTED MAGNESIUM ORTHOVANADATE CATALYST, AND METHOD OF PRODUCING N-BUTENE AND 1,3-BUTADIENE USING SAID CATALYST - A method of producing a carrier used for a catalyst for oxidative dehydrogenation of n-butane; a method of producing a magnesium orthovanadate catalyst supported by the carrier; and a method of producing n-butene and 1,3-butadiene using the catalyst are described. | 09-13-2012 |
| 585628000 | Moving catalyst or plural stage | 1 |
| 20110004041 | METHOD OF PRODUCING 1,3-BUTADIENE FROM N-BUTENE USING CONTINUOUS-FLOW DUAL-BED REACTOR - A method of producing 1,3-butadiene by the oxidative dehydrogenation of n-butene using a continuous-flow dual-bed reactor designed such that two kinds of catalysts charged in a fixed-bed reactor are not physically mixed. More particularly, a method of producing 1,3-butadiene by the oxidative dehydrogenation of n-butene using a C4 mixture including n-butene and n-butane as reactants and using a continuous-flow dual-bed reactor in which a multi-component bismuth molybdate catalyst and a zinc ferrite catalyst having different reaction activity in the oxidative dehydrogenation reaction of n-butene isomers (1-butene, trans-2-butene, cis-2-butene). | 01-06-2011 |
| 585629000 | Transition metal oxide or sulfide agent | 4 |
| 20100121123 | ZINC FERRITE CATALYSTS, METHOD OF PREPARING THEREOF AND METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF - The present invention relates to a zinc ferrite catalyst, a method of producing the same, and a method of preparing 1,3-butadiene using the same. Specifically, the present invention relates to a zinc ferrite catalyst which is produced in a pH-adjusted solution using a coprecipitation method, a method of producing the same, and a method of preparing 1,3-butadiene using the same, in which the 1,3-butadiene can be prepared directly using a C4 mixture including n-butene and n-butane through an oxidative dehydrogenation reaction. The present invention is advantageous in that 1,3-butadiene can be obtained at a high yield directly using a C4 fraction without performing an additional process for separating n-butene, as a reactant, from a C4 fraction containing impurities. | 05-13-2010 |
| 20100280300 | MIXED MANGANESE FERRITE CATALYSTS, METHOD OF PREPARING THEREOF AND METHOD OF PREPARING 1,3-BUTADIENE USING THEREOF - A method of producing a mixed manganese ferrite catalyst, and a method of preparing 1,3-butadiene using the mixed manganese ferrite catalyst. Specifically, a method of producing a mixed manganese ferrite catalyst through a coprecipitation method which is performed at a temperature of 10˜40° C., and a method of preparing 1,3-butadiene using the mixed manganese ferrite catalyst through an oxidative dehydrogenation reaction, in which a C4 mixture containing n-butene, n-butane and other impurities is directly used as reactants without performing additional n-butane separation process or n-butene extraction. 1,3-butadiene can be prepared directly using a C4 mixture including n-butane at a high concentration as a reactant through an oxidative hydrogenation reaction without performing an additional n-butane separation process, and 1,3-butadiene, having high activity, can be also obtained in high yield for a long period of time. | 11-04-2010 |
| 20110245568 | Dehydrogenation Reactions of N-Butene to Butadiene - A method for the dehydrogenation of n-butene to form butadiene over a dehydrogenation catalyst with a butadiene yield of at least 40 mol % is disclosed. Embodiments involve operating the dehydrogenation reactor at a pressure of 1,000 mbar or less. | 10-06-2011 |
| 585630000 | Cr, Mo, or W | 1 |
| 585631000 | With other transition metal | 1 |
| 20100099936 | COMPLEX OXIDE CATALYST OF BI/MO/FE FOR THE OXIDATIVE DEHYDROGENATION OF 1-BUTENE TO 1,3-BUTADIENE AND PROCESS THEREOF - The present invention relates to a complex oxide catalyst of Bi/Mo/Fe and an oxidative dehydrogenation of 1-butene in the presence of a catalyst herein. A catalyst of the present invention is superior to the conventional Bi/Mo catalyst in thermal and mechanical stabilities, conversion and selectivity toward 1,3-butadiene, while showing a long-term catalytic activity. | 04-22-2010 |
