| Patent Number |
Title Of Patent |
Date Issued |
| 7456130 |
Reforming catalyst with chelated promoter |
November 25, 2008 |
| A process for preparing a naphtha reforming catalyst has been developed. The process involves the use of a chelating ligand such as ethylenediaminetetraacetic acid (EDTA). The aqueous solution of the chelating ligand and a tin compound is used to impregnate a support, e.g., alumina e |
| 7456125 |
Ethylbenzene conversion and xylene isomerization processes and catalysts therefor |
November 25, 2008 |
| Catalysts comprising a combination of molecular sieve having a pore diameter of from about 4 to 8 angstroms and a catalytically-effective amount of molybdenum hydrogenation component in an amorphous aluminum phosphate binder provide processes for isomerizing xylene and dealkylating e |
| 7456124 |
Rhenium-containing transalkylation catalysts and processes for making the same |
November 25, 2008 |
| Transalkylation catalysts containing rhenium and a molecular sieve component comprising an acidic MFI molecular sieve having a Si/Al.sub.2 molar ratio of less than about 80 and mordenite provide a transalkylation product with a low content of benzene co-boilers. The invention encompa |
| 7453016 |
Selective hydrogenation process using layered catalyst composition and preparation of said catal |
November 18, 2008 |
| A selective hydrogenation process and a layered catalyst composition for use in the selective hydrogenation process are disclosed. The process is useful for the selective hydrogenation of diolefins having from about 8 to about 19 carbon atoms per molecule to monoolefins. |
| 7452459 |
Process for the removal of sulfur-oxidated compounds from a hydrocarbonaceous stream |
November 18, 2008 |
| A process for the removal of sulfur-oxidated compounds from a hydrocarbonaceous stream containing sulfur-oxidated compounds wherein the hydrocarbonaceous stream containing sulfur-oxidated compounds is contacted with an adsorbent which selectively adsorbs sulfur-oxidated compounds fro |
| 7449597 |
Homogeneous carbonylation catalyst and process using the catalyst |
November 11, 2008 |
| A catalyst useful for carbonylation of olefins has been developed. The catalyst comprises a palladium compound, e.g. PdIm.sub.4Cl.sub.2, where Im is imidazole and HCl dissolved in water or an alcohol. Carbonylation using this catalyst involves contacting an olefin stream preferably in a |
| 7449102 |
Integrated process for the production of low sulfur diesel |
November 11, 2008 |
| A process for the production of low sulfur diesel and a residual hydrocarbon stream containing a reduced concentration of sulfur. A residual hydrocarbon feedstock and a heavy distillate hydrocarbon feedstock are used in the process. |
| 7446238 |
Alkylation process with recontacting in settler |
November 4, 2008 |
| A system and/or process for decreasing the level of at least one organic fluoride present in a hydrocarbon phase contained in an alkylation settler by contacting the hydrocarbon phase with an HF containing stream, containing greater than about 80 wt. % and less than about 94 wt. % HF, |
| 7446237 |
Ethylbenzene conversion and xylene isomerization processes and catalysts therefor |
November 4, 2008 |
| Catalysts comprise a combination of molecular sieve having a pore diameter of from about 4 to 8 angstroms and a catalytically-effective amount of molybdenum hydrogenation component and a sufficient amount of at least one platinum group metal hydrogenation component to enhance the iso |
| 7446075 |
Transition metal phosphides and hydrotreating process using the same |
November 4, 2008 |
| A catalyst for hydrotreating a hydrocarbon feed has been developed. The catalyst comprises a metal phosphide and promoter metal component as the catalytic component. At least a portion of the metal promoter component is deposited on the metal phosphide. The metal phosphide/promoter metal |
| 7446071 |
Catalytic naphtha cracking catalyst and process |
November 4, 2008 |
| A process is disclosed for enhancing the production of light olefins using a catalyst with small pores. The catalyst comprises a layered zeolite material comprising an inner layer having pores of 8 or 10 membered rings and an outer layer having pores of 10 membered rings. The pores in th |
| 7445199 |
Apparatus and process for distributing liquid |
November 4, 2008 |
| A liquid distributor for use in a column having distillation trays has been developed. The liquid distributor functions to uniformly distribute a descending liquid stream across the tray for interaction with an ascending vapor stream. The liquid distributor has a feed pipe which deli |
| 7445198 |
Apparatus and process for distributing liquid |
November 4, 2008 |
| A liquid distributor for use in a column having distillation trays has been developed. The liquid distributor functions to uniformly distribute a descending liquid stream across the tray for interaction with an ascending vapor stream. The liquid distributor has a feed pipe which deli |
| 7442365 |
Process for preparing molecular sieve beads |
October 28, 2008 |
| A process for preparing beads of various compositions has been developed. The process involves preparing a reaction mixture of sources of framework elements of a molecular sieve. The reaction mixture can optionally contain molecular sieve seeds. Additional sources of the framework el |
| 7442350 |
Plate design for mixer sparger |
October 28, 2008 |
| An apparatus is disclosed for the generation of hydrogen peroxide. The apparatus is designed to allow for a greater range of tolerances in its manufacture. The apparatus provides for the production of a large scale volume of hydrogen peroxide by the generation of a liquid bearing bubble |
| 7442283 |
Hydrogen peroxide generator |
October 28, 2008 |
| A device and process is presented for producing hydrogen peroxide on an as needed basis is disclosed. The process and device produces hydrogen peroxide on a small scale without the addition of chemicals and disposal of waste streams. |
| 7439414 |
Oxygenate conversion catalyst processing |
October 21, 2008 |
| Improved processing of spent catalyst from an oxygenate-containing feedstock to olefins conversion process is realized through the employment of a barrier filter to treat a catalyst particle-containing flue gas resulting from a catalyst regenerator. The barrier filter serves to separ |
| 7439410 |
Integrated alkylation-isomerization process |
October 21, 2008 |
| An integrated isomerization-alkylation process is disclosed that uses a common distillation zone. The process can comprise halogen removal. The process is suitable for the production of motor fuels from isoparaffins and olefins using solid alkylation and isomerization catalysts. |
| 7439409 |
Process for para-xylene production from light aliphatics |
October 21, 2008 |
| Low-value mixed butanes are processed to obtain a high yield of high-purity para-xylene. Processing steps may comprise fractionation to recover isobutane, dehydrogenation of the isobutane to isobutene, dimerization of the isobutene to obtain C.sub.8 iso-olefins and isoparaffins, arom |
| 7439392 |
Separation of citric acid from gluconic acid in fermentation broth using a weakly or strongly ba |
October 21, 2008 |
| Citric acid is separated from a fermentation broth containing gluconic acid by using an adsorbent comprising a water-insoluble, macroreticular or gel, strongly or weakly basic anionic exchange resin possessing quaternary or tertiary amine functional groups, said a anionic exchange re |
| 7438191 |
Angle rod screen design |
October 21, 2008 |
| A screen for use in distributing a fluid in a process flow system. The screen provides support, and provides for the ability to clean particulates from the screen. The screen includes profiled wires affixed to a support, where the support provides channels to distribute the fluid ove |
| 7435329 |
Combination reforming and isomerization process |
October 14, 2008 |
| A reforming and isomerization process has been developed. A reforming feedstream is charged to a reforming zone containing a reforming catalyst and operating at reforming conditions to generate a reforming zone effluent. Hydrogen and an isomerization feedstream is charged into an iso |
| 7432406 |
Dehydrogenation process using a noble metal on a tin containing zeolite catalyst |
October 7, 2008 |
| A dehydrogenation process using an improved noble metal containing catalyst is disclosed. The catalyst comprises a non-acidic molecular sieve having a three-dimensional microporous framework structure of tin, aluminum and silicon tetrahedral oxide units. The non-acidic molecular siev |
| 7431843 |
Process for the purification of silicone based solvents |
October 7, 2008 |
| An apparatus and process for removing impurities from silicone based solvents is presented. The apparatus and process use an adsorbent for removing contaminants from the solvent, and when the adsorbent is sufficiently loaded with contaminants, the adsorbent is regenerated. The regene |
| 7425660 |
Ethylbenzene conversion and xylene isomerization processes and catalysts therefor |
September 16, 2008 |
| Catalysts comprising a combination of molecular sieve having a pore diameter of from about 4 to 8 angstroms and a catalytically-effective amount of molybdenum hydrogenation component in an amorphous aluminum phosphate binder provide processes for isomerizing xylene and dealkylating e |
| 7424999 |
Co-current vapor-liquid contacting apparatus |
September 16, 2008 |
| The invention is a high capacity and high efficiency co-current vapor-liquid contacting apparatus for use in distillation columns and other vapor-liquid contacting processes. The apparatus is characterized by an arrangement of modules in horizontal stages rather than tray-like constr |
| 7423191 |
Method and system for catalytically converting oxygenates and regenerating and stripping catalys |
September 9, 2008 |
| A method of converting oxygenate-containing feedstock to light olefins comprises charging a reactor with catalyst, feeding the feedstock into the reactor, contacting the feedstock with the catalyst and converting the feedstock to olefins while depositing byproducts on catalyst result |
| 7423190 |
Synergistic rhenium and germanium-containing catalysts potentiated with tin and alkylaromatic tr |
September 9, 2008 |
| Transalkylation catalysts comprising acidic molecular sieve, rhenium, tin and germanium have good activities and attenuate aromatic ring saturation and lights co-production. |
| 7422676 |
Apparatus and process for the synthesis of hydrogen peroxide directly from hydrogen and oxygen |
September 9, 2008 |
| A device is disclosed for the generation of hydrogen peroxide. The device produces hydrogen peroxide on an as-needed basis through the use of electrolysis of water, remixing hydrogen and oxygen in an appropriate ratio, and reacting the hydrogen and oxygen in water in a reactor. |
| 7420098 |
Dual zone aromatic alkylation process |
September 2, 2008 |
| A process for the catalytic alkylation of an aromatic substrate with an alkylating agent is disclosed that comprises contacting the aromatic substrate and the alkylating agent in sequential alkylation zones to obtain an alkylaromatic. The first catalyst comprises UZM-8 zeolite and th |
| 7419582 |
Process for hydrocracking a hydrocarbon feedstock |
September 2, 2008 |
| A hydrocracking process wherein the feedstock is hydrotreated and the liquid and gaseous effluent from the hydrotreater is directly introduced into the upper end of a hydrocracking vessel which provides a liquid seal to prevent the passage of the gaseous stream containing hydrogen sulfid |
| 7417003 |
Solid acid catalyst and process for decomposition of cumene hydroperoxide |
August 26, 2008 |
| The present invention provides a catalyst particle of an inner core, an outer layer surrounding and bonded to the inner core, the outer layer of a zeolite beta catalyst, and the outer layer having a volumetric fraction from about 0.17 to about 0.62 of the entire catalyst particle. |
| 7415992 |
Multi-conduit, multi-nozzle fluid distributor |
August 26, 2008 |
| An apparatus for distributing a fluid is disclosed. The apparatus comprises a plurality of conduits and outlet ports that are capable of providing improved distribution of fluids. One or more conduits are arranged within a single conduit, which provides a compact and inexpensive asse |
| 7414167 |
Conversion of oxygenate to propylene using moving bed technology and a separate heavy olefin int |
August 19, 2008 |
| The average propylene cycle yield of an oxygenate to propylene (OTP) process using a dual-function oxygenate conversion catalyst is substantially enhanced by the use of a combination of: 1) moving bed reactor technology in the catalytic OTP reaction step in lieu of the fixed bed tech |
| 7414163 |
Iridium and germanium-containing catalysts and alkylaromatic transalkylation processes using suc |
August 19, 2008 |
| Transalkylation catalysts comprising acidic molecular sieve, iridium and germanium have good activities and attenuate aromatic ring saturation and lights co-production where high atomic ratios of germanium to iridium are present. |
| 7414007 |
Isomerization catalyst and process |
August 19, 2008 |
| A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a phosphorus component, and at least |
| 7411102 |
Palladium and germanium-containing catalysts and alkylaromatic transalkylation processes using s |
August 12, 2008 |
| Transalkylation catalysts comprising acidic molecular sieve, palladium and germanium have good activities and attenuate aromatic ring saturation and lights co-production provided that sufficient palladium is contained in the catalyst. |
| 7410804 |
Process of parallel sample presentation |
August 12, 2008 |
| A process of forming an array of powder samples arranged in predefined locations where all samples have a flat surface in a common plane has been developed. A main support having at least N perforations from a first surface of the main support through a second surface of the main sup |
| 7410565 |
Multi-catalyst selection for chlorided reforming catalyst |
August 12, 2008 |
| The chloride retention of an alumina catalyst over the course of operation and regeneration can be controlled and stabilized by incorporating a small amount of a component selected from the group including phosphorus, boron, titanium, silicon, and zirconium. Steam treatments have been us |
| 7410525 |
Mixed matrix membranes incorporating microporous polymers as fillers |
August 12, 2008 |
| The present invention is for a polymer/polymer mixed matrix membrane and the use of such membranes in gas separation applications. More specifically, the invention involves the preparation of polymer/polymer mixed matrix membranes incorporating soluble polymers of intrinsic microporo |
| 7408092 |
Selective conversion of oxygenate to propylene using moving bed technology and a hydrothermally |
August 5, 2008 |
| The average propylene cycle selectivity of an oxygenate to propylene (OTP) process using a dual-function oxygenate conversion catalyst is substantially enhanced by the use of a combination of: 1) moving bed reactor technology in the hydrocarbon synthesis portion of the OTP flow schem |
| 7407907 |
Dual functional catalyst for selective opening of cyclic paraffins and process for using the cat |
August 5, 2008 |
| A catalyst for selectively opening cyclic paraffins has been developed. The catalyst comprises a Group VIII metal, such as platinum, a modifier component, such as niobium or ytterbium, a molecular sieve, such as UZM-16 and a refractory inorganic oxide such as alumina. The Group VIII |
| 7405337 |
Conversion of oxygenate to propylene with selective hydrogen treatment of heavy olefin recycle s |
July 29, 2008 |
| The average cycle propylene selectivity of an oxygenate to propylene (OTP) process using one or more fixed or moving beds of a dual-function oxygenate conversion catalyst with recycle of one or more C.sub.4+ olefin-rich fractions is substantially enhanced by the use of selective hydr |
| 7405335 |
Integrated process for producing xylenes and high purity benzene |
July 29, 2008 |
| Processes and apparatus are provided that provide high yields of xylenes per unit of aromatic-containing feed while enabling a high purity benzene co-product to be obtained without the need for an extraction or distillation to remove C.sub.6 naphthenes. The processes of this inventio |
| 7405177 |
Catalyst for selective opening of cyclic naphtha and process for using the catalyst |
July 29, 2008 |
| A catalyst and process for opening aliphatic cyclic hydrocarbons have been developed. The catalyst comprises a catalytic metal component, a molecular sieve and refractory inorganic oxide component. The molecular sieve is selected from the group consisting of MAPSOs, SAPOs, UZM-8, UZM |
| 7399896 |
Isomerization catalyst and process |
July 15, 2008 |
| A catalyst and process is disclosed to selectively upgrade a paraffinic feedstock to obtain an isoparaffin-rich product for blending into gasoline. The catalyst comprises a support of a tungstated oxide or hydroxide of a Group IVB (IUPAC 4) metal, a phosphorus component, and at least |
| 7399344 |
Hydrogen peroxide recovery with hydrophobic membrane |
July 15, 2008 |
| An apparatus and process are presented that provide for the separation of hydrogen peroxide from a solution having an acid and hydrogen peroxide. |
| 7399341 |
Gas purification process |
July 15, 2008 |
| A process for the purification of hydrogen based gas mixtures utilizing zeolite X wherein the particle size distribution of the zeolite X powder has a coefficient of variation from about 15% to about 30%. |
| 7396968 |
Process and apparatus for alkylation of aromatic with olefin using impure aromatic recycle |
July 8, 2008 |
| Processes and apparatus for the alkylation of aromatic compound with mono-olefin aliphatic compound in the presence of solid alkylation catalyst use a lights distillation for obtaining desired selectivities to arylalkane in a energy efficient manner. The processes and apparatus offer |
| 7396966 |
Olefinic feedstock treatment processes |
July 8, 2008 |
| Aromatic by-products are sorbed from mono-olefin-containing feedstocks of olefins having from about 6 to 22 carbon atoms per molecule that contain aromatic by-products having from 7 to 22 carbon atoms per molecule. A benzene-containing regenerant displaces and desorbs the aromatic by |
