Class / Patent application number | Description | Number of patent applications / Date published |
585321000 | Having plural side-chains | 38 |
20100094068 | Heavy Aromatics Processing Catalyst and Process of Using the Same - This disclosure relates to a catalyst system adapted for transalkylation a C | 04-15-2010 |
20100228066 | Integrated Process for the Production of P-Xylene - The present invention provides an integrated process for the production of p-xylene, comprising the steps of A) separating a mixed feedstock containing benzene, toluene, C | 09-09-2010 |
20110009682 | METHOD OF PRODUCING PARA-SUBSTITUTED AROMATIC HYDROCARBON - This invention relates to a method of efficiently producing a high-purity para-substituted aromatic hydrocarbon while suppressing caulking without requiring isomerization-adsorption separation steps, and more particularly to a method of producing a para-substituted aromatic hydrocarbon, characterized in that a methylating agent and an aromatic hydrocarbon are reacted in the presence of a catalyst formed by coating MFI type zeolite having a particle size of not more than 100 μm with a crystalline silicate. | 01-13-2011 |
20110130603 | Aromatics Processing Catalyst System - This disclosure relates to a catalyst system adapted for processing aromatic feedstreams comprising C | 06-02-2011 |
20120149958 | Method and Apparatus for Obtaining Aromatics from Diverse Feedstock - The process relates to the use of any naphtha-range stream containing a portion of C8+ aromatics combined with benzene, toluene, and other non-aromatics in the same boiling range to produce toluene. By feeding the A8+ containing stream to a dealkylation/transalkylation/cracking reactor to increase the concentration of toluene in the stream, a more suitable feedstock for the methylation reaction can be produced. This stream can be obtained from a variety of sources, including the pygas stream from a steam cracker, “cat naphtha” from a fluid catalytic cracker, or the heavier portion of reformate. | 06-14-2012 |
20120271082 | VARIATIONS ON PRINS-LIKE CHEMISTRY TO PRODUCE 2,5-DIMETHYLHEXADIENE FROM ISOBUTANOL - The method of the present invention provides a high yield pathway to 2,5-dimethylhexadiene from renewable isobutanol, which enables economic production of renewable p-xylene (and subsequently, terephthalic acid, a key monomer in the production of PET) from isobutanol. In addition, the present invention provides methods for producing 2,5-dimethylhexadiene from a variety of feed stocks that can act as “equivalents” of isobutylene and/or isobutyraldehyde including isobutanol, isobutylene oxide, and isobutyl ethers and acetals. Catalysts employed in the present methods that produce 2,5-dimethylhexadiene can also catalyze alcohol dehydration, alcohol oxidation, epoxide rearrangement, and ether and acetal cleavage. | 10-25-2012 |
20120316373 | PROCESS FOR PRODUCING ONE OR MORE ALKYLATED AROMATICS - One exemplary embodiment may be a process for producing one or more alkylated aromatics. Generally, the process includes providing a first stream including an effective amount of benzene for alkylating benzene from a fractionation zone, providing a second stream including an effective amount of ethene for alkylating benzene from a fluid catalytic cracking zone, providing at least a portion of the first and second streams to an alkylation zone; and passing at least a portion of an effluent including ethylbenzene from the alkylation zone downstream of a para-xylene separation zone. | 12-13-2012 |
20130131413 | PROCESS FOR THE PRODUCTION OF PARA-XYLENE - A reforming process using a medium pore zeolite under conditions to facilitate the conversion of C | 05-23-2013 |
20130217936 | Method of Making Catalyst, Catalyst Made Thereby and Use Thereof - The invention concerns a method of making a catalyst adapted for isomerization of xylenes. | 08-22-2013 |
20130281750 | COMBINED HEAVY REFORMATE DEALKYLATION-TRANSALKYLATION PROCESS FOR MAXIMIZING XYLENES PRODUCTION - A method of forming mixed xylenes from a heavy reformate using a dealkylation-transalkylation system includes the step of introducing both a heavy reformate containing methyl ethyl benzenes and tri-methyl benzenes and that is sufficiently free of toluene and a hydrogen-containing material into the dealkylation stage such that the heavy reformate and the hydrogen-containing material intermingle and contact the hydrodealkylation catalyst. The dealkylation-transalkylation system includes dealkylation, non-aromatic product gas separations and transalkylation stages. Toluene forms from the reaction of methyl ethyl benzenes and hydrogen in the presence of the hydrodealkylation catalyst. The method also includes the step of introducing a dealkylated heavy reformate into the transalkylation stage such that the dealkylated heavy reformate contacts a transalkylation catalyst, forming a transalkylation stage product mixture includes mixed xylenes. | 10-24-2013 |
20130296621 | Process for the Production of Xylenes and Light Olefins - In a hydrocarbon upgrading process, a hydrocarbon feed is treated in at least one of a steam cracker, catalytic cracker, coker, hydrocracker, and reformer under suitable conditions to produce a first stream comprising olefinic and aromatic hydrocarbons. A second stream composed mainly of C | 11-07-2013 |
20130296622 | Process for the Production of Xylenes and Light Olefins - In a hydrocarbon upgrading process, a hydrocarbon feed is treated in at least one of a steam cracker, catalytic cracker, coker, hydrocracker, and reformer under suitable conditions to produce a first stream comprising olefinic and aromatic hydrocarbons. A second stream composed mainly of C | 11-07-2013 |
20130296623 | Process for the Production of Xylenes and Light Olefins - In a hydrocarbon upgrading process, a hydrocarbon feed is treated in at least one of a steam cracker, catalytic cracker, coker, hydrocracker, and reformer under suitable conditions to produce a first stream comprising olefinic and aromatic hydrocarbons. A second stream composed mainly of C | 11-07-2013 |
20130296624 | Process for the Production of Xylenes - A hydrocarbon upgrading process is described in which a hydrocarbon feed is treated in at least one of a steam cracker, catalytic cracker, coker, hydrocracker, and reformer under suitable conditions to produce a first stream comprising aliphatic and aromatic hydrocarbons. A second stream comprising C | 11-07-2013 |
20140066675 | Xylene Isomerization Process and Catalyst Therefor - The invention concerns a xylenes isomerization process for the production of equilibrium or near-equilibrium xylenes from a feedstream comprising phenol and/or styrene. | 03-06-2014 |
20140114105 | PROCESS FOR THE STEAMCRACKING OF BIO-NAPHTHA PRODUCED FROM COMPLEX MIXTURES OF NATURAL OCCURRING FATS & OILS - A process can include making a bio-diesel, a bio-naphtha, and optionally bio-propane from a complex mixture of natural occurring fats & oils. The complex mixture can be subjected to a refining treatment for removing a major part of non-triglyceride and non-fatty acid components to obtain refined oils. The refined oils can be subjected to a fractionation step to obtain a substantially unsaturated liquid triglyceride part (phase L), and a substantially saturated solid triglyceride part (phase S). The phase L can transformed into alkyl-esters as bio-diesel by a transesterification. The phase S can be transformed into substantially linear paraffin's as the bio-naphtha by an hydrodeoxygenation. Fatty acids can be obtained from the phase S and transformed into substantially linear paraffin's as the bio-naphtha by hydrodeoxygenation or decarboxylation. Fatty acids soaps can be obtained from the phase S that are transformed into substantially linear paraffin's as the bio-naphtha by decarboxylation. | 04-24-2014 |
20140121430 | RENEWABLE PARA-XYLENE FROM ACETIC ACID - A process is described for making renewable para-xylene, comprising converting acetic acid to isobutene in the presence of a catalyst then converting the acetic acid-derived isobutene to a product composition including para-xylene. The catalyst can be a Zn | 05-01-2014 |
20140163276 | DEHYDROCYCLODIMERIZATION USING UZM-39 ALUMINOSILICATE ZEOLITE - A new family of coherently grown composites of TUN and IMF zeotypes has been synthesized and shown to be effective catalysts for dehydrocyclodimerization reactions. These zeolites are represented by the empirical formula. | 06-12-2014 |
20140163277 | PROCESS FOR THE GENERATION OF 2,5-DIMETHYLHEXENE FROM ISOBUTENE - A method of making one or more 2,5-dimethylhexenes is described. The method includes reacting isobutene with isobutanol in the presence of a platinum group metal catalyst to form one or more 2,5-dimethylhexenes. A method of making p-xylene using one or more 2,5-dimethylhexenes is also described. The p-xylene can be made from totally renewable sources, if desired. | 06-12-2014 |
20140200378 | METHOD FOR PRODUCING MONOCYCLIC AROMATIC HYDROCARBONS - Method for producing monocyclic aromatic hydrocarbons includes a cracking and reforming reaction step of obtaining products containing monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms and a heavy fraction having 9 or more carbon atoms by bringing the feedstock oil into contact with a catalyst for producing monocyclic aromatic hydrocarbons containing crystalline aluminosilicate to cause a reaction, a catalyst separation step of separating and removing the catalyst for producing monocyclic aromatic hydrocarbons together with tricyclic aromatic hydrocarbons contained in the products from a mixture of the products and a small amount of the catalyst for producing monocyclic aromatic hydrocarbons carried by the products, both of which are derived in the cracking and reforming reaction step, and a purification and recovery step of purifying and recovering the monocyclic aromatic hydrocarbons having 6 to 8 carbon atoms which are separated from the products formed in the cracking and reforming reaction step. | 07-17-2014 |
20140257002 | PROCESS TO PRODUCE PREMIUM BASESTOCKS FROM RENEWABLE FEEDS - Provided are processes for producing a lube basestock or wax from a feedstock of biological origin, the method including: providing a fatty acid originated from the feedstock of biological origin and an aromatic acid in a solvent comprising a base; and electrically coupling the fatty acid and the aromatic acid to produce a hydrocarbon, wherein the molar concentration of the fatty acid is greater than the molar concentration of the aromatic acid. | 09-11-2014 |
20140296595 | Methods And Apparatus For Producing Aromatics From Coal - A method for converting coal into BTX in which feed coal is converted to a 600-700° F.− product stream by direct liquefaction. This product stream is hydrocracked and hydroprocessed to produce a 350° F.− stream which in turn is fractionated to produce a 160° F.− stream and a 160/350° F. stream that contains 85-90% naphthenes. The 160/350° F. stream is catalytically reformed to produce an aromatic stream and a 160° F.− paraffinic stream. The aromatics stream can be separated into benzene toluene and xylene streams by distillation. | 10-02-2014 |
20140350315 | METHOD FOR CONVERSION OF AROMATIC HYDROCARBONS - A method of converting hydrocarbons requires contacting a hydrocarbon stream containing alkylated aromatic hydrocarbons with a catalyst of a phosphorus-containing pentasil zeolite in a reactor. The phosphorus-containing pentasil zeolite having a phosphorus content of 7.5% or less by weight of zeolite, a pore volume of at least 0.2 ml/g, and a | 11-27-2014 |
20140350316 | Production of Paraxylene - The process concerns ethylbenzene conversion and xylene isomerization with a catalyst pretreated by sulfiding. | 11-27-2014 |
20140371500 | Processed Support and Methods of Making and Using Same - A method for removing tightly bound sodium from a zeolitic support comprising contacting the support with a sodium specific removal agent to produce a treated support. A method comprising providing an aromatization catalyst comprising a treated support, and contacting the aromatization catalyst with a hydrocarbon feed in a reaction zone under conditions suitable for the production of an aromatic product. A catalyst support comprising an L-zeolite having less than 0.35 wt. % sodium. | 12-18-2014 |
20140378723 | PROCESS FOR PRODUCTION OF DIALKYLBENZENES - A method of making dialkylaromatics as a primary product is described. The design involves a dual reaction zone system, both reaction zones containing alkylation catalysts. The olefin feed is split into two portions (or two feeds are used), the first portion being fed to a first alkylation reaction zone and reacted with a first olefin. The other portion of olefin is reacted in a second reaction zone with the linear alkylaromatics formed in the first reaction zone to form the dialkylaromatics. | 12-25-2014 |
20150025283 | Process and Catalyst for C9+ Aromatics Conversion - The invention is directed to a multimetallic catalyst and its use in a reactor system in a C9+ aromatics conversion process in order to reduce the saturation of aromatic species, reduce the production of C6+ non-aromatics byproducts, and achieve higher benzene purity. The multimetallic catalyst exhibits improved selectivity towards aromatic hydrocarbons in comparison to a traditional Pt/ZSM-5 catalyst and comprises ZSM-5, a Group 6-10 metal, and an additional metal not in Group 6-10. The C9+ aromatics conversion reactor system comprises a top bed containing the multimetallic catalyst for dealkylation of ethyl and propyl side chains, a second bed containing a catalyst comprising a hydrogenation component for transalkylation, and an optional third bed containing a catalyst without a hydrogenation component to convert non-aromatic hydrocarbons to gas products. | 01-22-2015 |
20150073187 | TOLUENE METHYLATION WITH TRANSALKYLATION OF HEAVY AROMATICS - A method of producing a purified mixed xylene comprising: introducing toluene and methanol to an alkylation reactor ( | 03-12-2015 |
20150307412 | METHODS AND APPARATUSES FOR PRODUCING XYLENE FROM PROPYLBENZENE - Methods and apparatuses are provided for producing xylene. A method includes combining a propylbenzene containing feed with a xylene raffinate stream, where the xylene raffinate stream is provided from a xylene recovery unit. The xylene raffinate stream and the propylbenzene containing feed are isomerized in an isomerization unit to produce an xylene isomerization effluent stream, where the xylene isomerization effluent stream includes aromatic compounds having 8, 9, or 10 carbons atoms. The aromatic compounds having 8 carbon atoms are separated from the aromatic compounds having 9 or 10 carbons, and the aromatic compounds having 8 carbons are fed to the xylene recovery unit. The aromatic compounds having 9 or 10 carbons are transalkylated with toluene to produce xylene. | 10-29-2015 |
20150307418 | METHODS AND APPARATUSES FOR PRODUCING XYLENE FROM LIGNIN - Methods and apparatuses are provided for producing a xylene product from a lignin supply. A method includes depolymerizing the lignin supply to produce a lignin aromatic stream, and isomerizing the lignin aromatic stream to produce an isomerized lignin stream. The desired xylene isomer is extracted from the isomerized lignin stream. | 10-29-2015 |
20150353447 | Transalkylation of Heavy Aromatic Hydrocarbon Feedstocks - A process for producing xylene comprises contacting a first feed comprising C | 12-10-2015 |
20150376081 | METHODS AND APPARATUSES FOR PRODUCING LINEAR ALKYLBENZENE FROM RENEWABLE OILS - Apparatuses and methods for producing linear alkylbenzene products from renewable oils are provided. An exemplary method includes deoxygenating the renewable oil in a deoxygenation zone to form paraffins. The method fractionates the paraffins to form first and second fractions. The method processes the first fraction of paraffins in a reforming zone to form a reformate stream and recovers a first hydrogen stream from the reforming zone. The method includes forming a LAB stream in a LAB production zone from the second fraction of paraffins and a portion of the reformate stream. Further, the method includes recovering a second hydrogen stream in the LAB production zone and recycling the first hydrogen stream from the reforming zone and the second hydrogen stream from the LAB production zone, wherein substantially all hydrogen recovered from the reforming zone and the LAB production zone is recycled. | 12-31-2015 |
20160024392 | Production of Xylenes From Syngas - This disclosure relates to the production of xylenes from syngas, in which the syngas is converted to an aromatic product by reaction with an isosynthesis catalyst and an aromatization catalyst. The isosynthesis catalyst and aromatization catalyst may be different catalysts or combined into a single catalyst. The aromatic product is then subjected to one of more of (i) xylene isomerization, (ii) transalkylation with at least one C | 01-28-2016 |
20160024393 | Production of Xylenes From Syngas - This disclosure relates to the production of xylenes from syngas, in which the syngas is converted to an aromatic product by reaction with a Fischer-Tropsch catalyst and an aromatization catalyst. The Fischer-Tropsch catalyst and aromatization catalyst may be different catalysts or combined into a single catalyst. The aromatic product is then subjected to selective alkylation with methanol and/or carbon monoxide and hydrogen to increase its p-xylene content. | 01-28-2016 |
20160074845 | In-situ Trim Coke Selectivation of Toluene Disproportionation Catalyst - The invention relates to treating a molecular sieve prepared by at least one in situ selectivation sequence wherein graphitic coke is adhered to said molecular sieve, which is useful in a toluene disproportionation process. | 03-17-2016 |
20160075618 | Transalkylation System - The invention relates to a transalkylation system to convert feedstreams containing benzene and/or toluene (C7− aromatic hydrocarbons) and feedstreams containing C9+ aromatic hydrocarbons into a product stream comprising xylenes. | 03-17-2016 |
20180023008 | Production of Xylenes from Syngas | 01-25-2018 |
20190144358 | PROCESSES AND APPARATUSES FOR METHYLATION OF AROMATICS IN AN AROMATICS COMPLEX | 05-16-2019 |