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Cong-Yan Chen

Cong-Yan Chen, Kensington, CA US

Patent application numberDescriptionPublished
20080250705Process for preparation and use of alcohols from a Fischer Tropsch process - Olefins and alcohols present in Fischer-Tropsch products are converted to primary and secondary alkyl alcohols having at least four carbons through acid catalyzed etherification and hydrolysis reactions. The alcohols are added to a highly isoparaffinic distillate fuel blend, improving the lubricity of the mixture, and forming a distillate fuel with improved lubricity.10-16-2008
20090107880METHOD OF UPGRADING HEAVY HYDROCARBON STREAMS TO JET PRODUCTS - A process of upgrading a heavy hydrocarbon feedstock comprising contacting a heavy hydrocarbon feedstock with a catalyst in the presence of hydrogen in a reactor system, containing the catalyst as the only catalyst, wherein the catalyst, is prepared by sulfiding a catalyst precursor obtained by mixing at reaction conditions, to form a precipitate or cogel, at least a Group VIII metal compound in solution; at least a Group VIB metal compound in solution; and, at least an organic oxygen containing ligand in solution, and thereby producing a fuel product.04-30-2009
20090114566METHOD OF UPGRADING HEAVY HYDROCARBON STREAMS TO JET PRODUCTS - A process of upgrading a heavy hydrocarbon feedstock comprising contacting a heavy hydrocarbon feedstock with a catalyst in the presence of hydrogen in a reactor system, containing the catalyst as the only catalyst, wherein the catalyst, is prepared by sulfiding a catalyst precursor obtained by mixing at reaction conditions, to form a precipitate or cogel, at least a Promoter metal compound in solution; at least a Group VIB metal compound in solution; and, at least an organic oxygen containing ligand in solution, and thereby producing a fuel product.05-07-2009
20090200201METHOD OF UPGRADING HEAVY HYDROCARBON STREAMS TO JET AND DIESEL PRODUCTS - The present invention is directed to a process for converting heavy hydrocarbonaceous feeds to jet and diesel products: using a single reactor, dual catalyst system; or using a single reactor, multiple catalyst system.08-13-2009
20090301933CATALYTIC REFORMING PROCESS TO PRODUCE HIGH OCTANE GASOLINE - The present invention is a multistage reforming process to produce high octane product from naphtha boiling range feed. In the process, a effluent product from a penultimate reforming stage is separated into at least a first stream and a second stream by boiling point. The lower boiling of the two streams is further reformed in a final reforming stage over a medium pore molecular sieve catalyst.12-10-2009
20090301934MULTI-STAGE REFORMING PROCESS TO PRODUCE HIGH OCTANE GASOLINE - The present invention relates to a multistage reforming process to produce a high octane product. A naphtha boiling range feedstock is processed in a multi-stage reforming process, in which said process involves at least 1) a penultimate stage for reforming the naphtha feedstock to produce a penultimate effluent 2) a separation step for separating the penultimate effluent into at least an intermediate stream and a heavy stream based on boiling point and 3) a final stage for further reforming the intermediate stream.12-10-2009
20100160700PROCESS AND CATALYSTS FOR REFORMING FISHER TROPSCH NAPHTHAS TO AROMATICS - Improved processes and catalysts are described for the conversion of oxygenate-containing olefinic Fischer Tropsch naphtha into aromatics. This involves removal of the oxygenates without complete saturation of the olefins followed by aromatization of the oxygenate-depleted olefinic naphtha preferably over a catalyst that is tolerant to oxygenates.06-24-2010
20120260628TREATMENT OF COLD START ENGINE EXHAUST - A method of treating a cold-start engine exhaust gas stream comprising hydrocarbons and other pollutants, the method comprising: flowing the exhaust gas stream over a molecular sieve bed, the molecular sieve bed comprising an alkali metal cation-exchanged molecular sieve having intersecting 10- and 12-membered ring pore channels, to provide a first exhaust stream; flowing the first exhaust gas stream over a catalyst to convert any residual hydrocarbons and other pollutants contained in the first exhaust gas stream to innocuous products to provide a treated exhaust stream; and discharging the treated exhaust stream into the atmosphere.10-18-2012
20130131413PROCESS FOR THE PRODUCTION OF PARA-XYLENE - A reforming process using a medium pore zeolite under conditions to facilitate the conversion of C05-23-2013
20130150600HYDROCONVERSION OF RENEWABLE FEEDSTOCKS - A hydrocarbon conversion process comprises contacting a renewable feedstock under hydroprocessing conditions with a bulk catalyst to form oleochemicals such as fatty alcohols, esters, and normal paraffins. Advantageously, the reaction conditions can be selected to directly convert the renewable feedstock to the desired product(s).06-13-2013
20130150615HYDROCONVERSION OF RENEWABLE FEEDSTOCKS - A hydrocarbon conversion process comprises contacting a renewable feedstock under hydroprocessing conditions with supported catalyst comprising at least one metal selected from the group consisting of Group VIII metals, Group VIB metals to form oleochemicals such as fatty alcohols, esters, and normal paraffins. Advantageously, the reaction conditions can be selected to directly convert the renewable feedstock to the desired product(s).06-13-2013
20130150631HYDROCONVERSION OF RENEWABLE FEEDSTOCKS - A hydrocarbon conversion process comprises contacting a renewable feedstock under hydroprocessing conditions with a bulk catalyst to form oleochemicals such as fatty alcohols, esters, and normal paraffins. Advantageously, the reaction conditions can be selected to directly convert the renewable feedstock to the desired product(s).06-13-2013
20130150635HYDROCONVERSION OF RENEWABLE FEEDSTOCKS - A hydrocarbon conversion process comprises contacting a renewable feedstock under hydroprocessing conditions with a bulk catalyst to form oleochemicals such as fatty alcohols, esters, and normal paraffins. Advantageously, the reaction conditions can be selected to directly convert the renewable feedstock to the desired product(s).06-13-2013
20130150636HYDROCONVERSION OF RENEWABLE FEEDSTOCKS - A hydrocarbon conversion process comprises contacting a renewable feedstock under hydroprocessing conditions with supported catalyst comprising at least one metal selected from the group consisting of Group VIII metals, Group VIB metals to form oleochemicals such as fatty alcohols, esters, and normal paraffins. Advantageously, the reaction conditions can be selected to directly convert the renewable feedstock to the desired product(s).06-13-2013
20130150641HYDROCONVERSION OF RENEWABLE FEEDSTOCKS - A hydrocarbon conversion process comprises contacting a renewable feedstock under hydroprocessing conditions with supported catalyst comprising at least one metal selected from the group consisting of Group VIII metals, Group VIB metals to form oleochemicals such as fatty alcohols, esters, and normal paraffins. Advantageously, the reaction conditions can be selected to directly convert the renewable feedstock to the desired product(s).06-13-2013
20130165713ISOMERIZATION OF LIGHT PARAFFINS - A process for isomerizing light paraffins using a catalyst comprising an SFS-type zeolite and at least one Group VIII metal. It has been found that the catalyst can selectively convert C06-27-2013
20130165714ISOMERIZATION OF LIGHT PARAFFINS - A process for isomerizing light paraffins using a catalyst comprising an 06-27-2013
20140163249HYDROCONVERSION OF RENEWABLE FEEDSTOCKS - A hydroconversion process comprises contacting a feedstock comprising renewable materials under hydroprocessing conditions with a promoted catalyst selected from a self-supported catalyst, a supported catalyst and combinations thereof, wherein the reaction conditions can be tailored to directly convert the renewable feedstock to the desired product(s) including fatty alcohols, esters, normal paraffins, or combinations thereof. The catalyst comprising at least a Group VIB metal selected from molybdenum and tungsten, a Group VIII metal selected from cobalt and nickel to convert the feedstock into any of fatty alcohols, esters, and normal paraffins. In some embodiments, the process further comprising additional steps to generate various desirable products, including α-olefins (or PAO, by dehydrating the fatty alcohol products), lubricants and bright stocks (from the oligomerizing of the PAO), and Group 3 lubricants (from co-oligomerizing of the PAO with some short chain olefins).06-12-2014
20140206915PARAFFINIC JET AND DIESEL FUELS AND BASE OILS FROM VEGETABLE OILS VIA A COMBINATION OF HYDROTREATING, PARAFFIN DISPROPORTIONATION AND HYDROISOMERIZATION - The present invention relates to a new process which comprises the steps of hydrotreating, paraffin disproportionation and hydroisomerization to convert biological hydrocarbonaceous oxygenated oils comprising triglycerides into biologically-derived paraffinic jet/diesel fuels, solvents and base oils. A combination of conventional hydrogenation/dehydrogenation catalysts, such as Pt/Al07-24-2014
20140241980ZEOLITE SSZ-57 HAVING ENHANCED LARGE PORE SELECTVITY - The present invention is directed to an alumino-borosilicate SSZ-57 zeolite having enhanced large pore selectivity. The alumino-borosilicate SSZ-57 zeolite of the present invention is characterized as having substantially all of its aluminum atoms located within regions of the zeolite structure which form the 12 ring channels.08-28-2014

Patent applications by Cong-Yan Chen, Kensington, CA US

Cong-Yan Chen, Alameda, CA US

Patent application numberDescriptionPublished
20110319696HYDROISOMERIZATION PROCESS USING MOLECULAR SIEVE SSZ-81 - The present invention is directed to a hydroisomerization process using a new crystalline molecular sieve designated SSZ-81, which is synthesized using a structure directing agent selected from 1,5-bis(1-azonia-bicyclo[2.2.2]octane)pentane dications, 1,5-bis(1,4-diazabicyclo[2.2.2]octane)pentane dications, and mixtures thereof.12-29-2011
20120024752Multi-Stage Hydroprocessing for the Production of High Octane Naphtha - An integrated process is provided for producing high octane naphtha. Hydrocracked naphtha from a hydrocracking reaction zone is contacted with a reforming catalyst that includes a silicate having a silica to alumina molar ratio of at least 200, and a crystallite size of less than 10 microns. Products from the reforming include a reformed naphtha and a hydrogen-rich stream, which is passed to the hydrocracking reaction zone.02-02-2012
20120024753MULTI-STAGE REFORMING PROCESS TO PRODUCE HIGH OCTANE GASOLINE - The present invention relates to a multistage reforming process to produce a high octane product. A naphtha boiling range feedstock is processed in a multi-stage reforming process, in which said process involves at least 1) a penultimate stage for reforming the naphtha feedstock to produce a penultimate effluent 2) a final stage for further reforming at least a portion of the penultimate effluent 3) a regeneration step for the final stage catalyst. The severity of the penultimate stage can be increased during final stage catalyst regeneration in order to maintain the target RON of the reformate product and avoid reactor downtime.02-02-2012
20120024754MULTI-STAGE REFORMING PROCESS WITH FINAL STAGE CATALYST REGENERATION - The present invention relates to a multistage reforming process to produce a high octane product. A naphtha boiling range feedstock is processed in a multi-stage reforming process, in which said process involves at least 1) a penultimate stage for reforming the naphtha feedstock to produce a penultimate effluent 2) a final stage for further reforming at least a portion of the penultimate effluent 3) a regeneration step for the final stage catalyst. The severity of the penultimate stage can be increased during final stage catalyst regeneration in order to maintain the target RON of the reformate product and avoid reactor downtime.02-02-2012
20120029257PROCESS FOR THE PRODUCTION OF PARA-XYLENE - A reforming process using a medium pore zeolite under conditions to facilitate the conversion of C02-02-2012
20140046106PROCESS FOR THE PRODUCTION OF PARA-XYLENE - A reforming process using a medium pore zeolite under conditions to facilitate the conversion of C02-13-2014
20140076778MULTI-STAGE REFORMING PROCESS TO PRODUCE HIGH OCTANE GASOLINE - The present invention relates to a multistage reforming process to produce a high octane product. A naphtha boiling range feedstock is processed in a multi-stage reforming process, in which the process involves at least 1) a penultimate stage for reforming the naphtha feedstock to produce a penultimate effluent 2) a final stage for further reforming at least a portion of the penultimate effluent 3) a regeneration step for the final stage catalyst. The severity of the penultimate stage can be increased during final stage catalyst regeneration in order to maintain the target RON of the reformate product and avoid reactor downtime.03-20-2014
20140114106PROCESS FOR THE PRODUCTION OF PARA-XYLENE - A reforming process using a medium pore zeolite under conditions to facilitate the conversion of C04-24-2014

Patent applications by Cong-Yan Chen, Alameda, CA US

Cong-Yan Chen, San Ramon, CA US

Patent application numberDescriptionPublished
20130018199CALIXARENE-BOUND IRIDIUM-CONTAINING METAL COLLOIDS - The invention provides complexes in which a calixarene-related compound is coordinated to an iridium-containing metal colloid. The complexes can be immobilized on a substrate. The complexes of the invention are useful as tunable and highly robust isolated metal colloids that find use in binding of molecules and catalysis of chemical reactions.01-17-2013
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