| Patent Number |
Title Of Patent |
Date Issued |
| 7470825 |
Reactor and process for producing methanol |
December 30, 2008 |
| This invention is directed to a reactor and process for producing methanol. The reactor includes utilizes a plurality of beds of methanol synthesis catalyst in series to form methanol product from synthesis gas (syngas). A liquid layer continuously flows across the top of each cataly |
| 7470748 |
Polymeric fibers and fabrics |
December 30, 2008 |
| Polymeric fibers and nonwoven polymeric fabrics having improved softness characteristics are provided. The fibers and fabrics include either a random propylene copolymer or a blend of a polypropylene polymer and a low-density polyethylene polymer. The random propylene copolymer is pr |
| 7470409 |
Process for reducing vapor condensation in flash/separation apparatus overhead during steam crac |
December 30, 2008 |
| A process for reducing fouling during cracking of a hydrocarbon feedstock containing resid is provided which comprises: introducing a mixture stream of heated hydrocarbon feedstock mixed with steam to a flash/separation apparatus to form i) a vapor phase at its dew point which partia |
| 7468465 |
Method of making mixed metal oxide containing sulfur |
December 23, 2008 |
| The invention relates to a method of making Group 3 and Group 4 mixed metal oxide catalyst suitable for the decomposition of ethers to alkenes and alkanols. In an embodiment, it relates to a method of making a cerium-zirconium mixed metal oxide catalyst. In an embodiment, the catalys |
| 7465845 |
Increasing ethylene and/or propylene production in an oxygenate to olefins reaction systems |
December 16, 2008 |
| This invention is directed to a process for converting oxygenate to olefin product at an increased prime olefin selectivity (i.e., increased ethylene and/or propylene content) compared to conventional systems. The increase in ethylene and/or propylene content of the produced olefin p |
| 7465388 |
Method for processing hydrocarbon pyrolysis effluent |
December 16, 2008 |
| A method is disclosed for treating the effluent from a hydrocarbon pyrolysis process unit to recover heat and remove tar therefrom. The method comprises passing the gaseous effluent to at least one primary heat exchanger, thereby cooling the gaseous effluent and generating high press |
| 7462751 |
Catalyst and process for selective hydrogenation |
December 9, 2008 |
| A selective hydrogenation catalyst composition comprises a support; a first metal component comprising rhodium; and a second metal component comprising a metal other than rhodium and selected from Groups 1 to 15 of the Periodic Table of Elements, wherein said first and second components |
| 7462211 |
Gas-solids separation device and method |
December 9, 2008 |
| A multi-stage gas-solids separator having at least 4 stages is configured so that the penultimate stage of separators is operated in an underflow condition. The underflow from the penultimate stage is used as the input flow for the final stage of separators. The multi-stage separator is |
| 7459595 |
Processes for lifting spent catalyst into a regenerator in an oxygenate to olefins reaction syst |
December 2, 2008 |
| This invention provides processes for transporting catalyst, preferably in an oxygenate to olefins reaction system. In one embodiment, an oxygenate contacts molecular sieve catalyst particles in a reactor under conditions effective to form an effluent stream comprising light olefins and |
| 7459510 |
Polymerization process |
December 2, 2008 |
| This invention relates to a process to polymerize olefins comprising contacting, in a reactor, a pyridyl-di-imine compound and an activator with one or more olefin monomer(s) in the presence of a fluorinated hydrocarbon. |
| 7459509 |
Polyethylene resins |
December 2, 2008 |
| The invention provides ethylene/.alpha.-olefin copolymers exhibiting improved environmental stress cracking resistance properties, and methods for the production of the copolymers in a single reactor by means of a bimetallic catalyst including a Ziegler component and a metallocene co |
| 7459486 |
Making a methanol product in a slurry bubble reactor |
December 2, 2008 |
| This invention is directed to a process of making a methanol product using a slurry bubble reactor. The reactor is operated in the liquid phase, with catalyst particles being suspended in the liquid. The invention provides for efficient use of heat and recovery of product by feeding |
| 7456330 |
Molecular sieve catalyst composition, its making and use in conversion processes |
November 25, 2008 |
| A catalyst composition that comprises a non-over flocculated molecular sieve and an over flocculated molecular sieve. A method of preparing a catalyst composition that comprises combining a non-over flocculated molecular sieve and an over flocculated molecular sieve. |
| 7456329 |
Polyolefins from non-conventional feeds |
November 25, 2008 |
| Polyolefins made in accordance with the present invention are produced by polymerizing an unsaturated olefin or combination of unsaturated olefins to produce an unsaturated polyolefin, isomerizing the unsaturated polyolefin in the presence of an acid catalyst under conditions to prod |
| 7456021 |
Analysis method |
November 25, 2008 |
| Disclosed herein is a method for determining the presence of an activated catalyst site in a catalyst system comprising a catalyst precursor and an activator, wherein the catalyst system is capable of providing a luminescence, the method comprising: performing a time resolved lumines |
| 7453020 |
Molecular sieve catalyst composition, its making and use in conversion processes |
November 18, 2008 |
| A catalyst composition that comprises an over flocculated molecular sieve and optionally, a phosphorous compound and, optionally, a non-over flocculated molecular sieve. A method of preparing a catalyst composition that comprises mixing an over flocculated molecular sieve and optionally, |
| 7453019 |
Conversion process |
November 18, 2008 |
| The invention relates to a conversion process for making olefin(s) using a molecular sieve catalyst composition. More specifically, the invention is directed to a process for converting a feedstock comprising an oxygenate in the presence of a molecular sieve catalyst composition, wherein |
| 7453018 |
Process for aromatic alkylation |
November 18, 2008 |
| This invention relates to a process for the selective alkylation of toluene and/or benzene with an oxygen-containing alkylation agent. In particular, the process uses a selectivated molecular sieve which has been modified by the addition of a hydrogenation component, wherein at least |
| 7452838 |
Controlling temperature in catalyst regenerators |
November 18, 2008 |
| This invention relates to efficiently regenerating catalyst particles by minimizing the formation of localized "hot spots" and "cold spots" in a regeneration zone. In one embodiment, the invention includes mixing spent catalyst from a reactor and cold catalyst from a catalyst cooler in a |
| 7451529 |
Colorable elastomeric composition |
November 18, 2008 |
| Transparent and colorable elastomeric compositions are provided. The transparent elastomeric compositions can be covulcanized with rubbers such as polybutadiene, polyisoprene, styrene-butadiene rubber, styrene-isoprene-butadiene rubber, isoprene-butadiene rubber, or natural rubber an |
| 7449611 |
Molecular sieve catalyst composition, its making and use in conversion processes |
November 11, 2008 |
| A catalyst composition that comprises an over flocculated molecular sieve and a phosphorous compound and, optionally, a non-over flocculated molecular sieve. A method of preparing a catalyst composition that comprises mixing an over flocculated molecular sieve and a phosphorous compo |
| 7449530 |
Polymerization process |
November 11, 2008 |
| This invention is directed to processes of making polymer in the presence of a fluorinated hydrocarbon and recovering the polymer. The processes provided enable polymerization processes to be practiced with minimal fouling in the reaction system, and allows for the recovery of the fl |
| 7449425 |
Production of alcohols from synthesis gas |
November 11, 2008 |
| The invention relates to a catalyst composition, a method of making the same and its use in a process for converting synthesis gas to alcohols. The catalyst composition comprises an anionic clay hydrotalcite and a catalytically active metal component, such as rhodium, manganese, cobalt, |
| 7446232 |
Process for oxidizing alkylaromatic compounds |
November 4, 2008 |
| In a process for oxidizing alkylaromatic compounds to the corresponding hydroperoxide, an alkylaromatic compound of general formula (I): ##STR00001## in which R.sup.1 and R.sup.2 each independently represents an alkyl group having from 1 to 4 carbon atoms, provided that R.sup.1 and |
| 7446216 |
Halogen substituted metallocene compounds for olefin polymerization |
November 4, 2008 |
| A metallocene compound is represented by the formula (1): A.sub.2Y.sub.yMX.sub.n-2 wherein: M is a transition metal atom having a coordination number of n selected from Group 3, 4, 5 or 6 of the Periodic Table of Elements, or a lanthanide metal atom, or actinide metal atom; each A i |
| 7446073 |
Catalyst compounds, catalyst systems thereof and their use in a polymerization process |
November 4, 2008 |
| The present invention relates to a cyclic germanium bridged bulky ligand metallocene-type catalyst compound, a catalyst system thereof, and to its use in a process for polymerizing olefin(s) to produce enhanced processability polymers. |
| 7439412 |
Process for producing para-xylene |
October 21, 2008 |
| A process for producing a PX-rich product comprises (a) separating a feedstock containing C.sub.8 hydrocarbons to produce a C.sub.8 hydrocarbons rich stream; (b) separating at least a first portion of the C.sub.8 hydrocarbons rich stream to produce a first PX-rich stream and a first |
| 7439312 |
Branched crystalline polypropylene |
October 21, 2008 |
| Branched crystalline polypropylene compositions and methods for the preparation of branched crystalline polypropylene compositions are provided. For example, described herein is a process of preparing a branched crystalline polypropylene composition that includes combining two or mor |
| 7439307 |
Articles made from graft-modified polymers based on novel propylene ethylene copolymers |
October 21, 2008 |
| Articles made from propylene ethylene copolymers with an ethylene content between 8 and 32 mole % have been grafted with maleic anhydride and a peroxide. The functionality level is higher than what is reported with polypropylene. |
| 7439306 |
Polyethylene blends with improved Vicat softening point |
October 21, 2008 |
| A method of selecting polyethylene components for a polyethylene composition having an improved Vicat softening point comprising blending at least a first polyethylene having a first density and a second polyethylene having a second density to form the polyethylene composition, where |
| 7439204 |
Process for producing catalysts with reduced hydrogenation activity and use thereof |
October 21, 2008 |
| A process for controlling the hydrogenation activity of a catalyst comprised of a crystalline molecular sieve and at least one hydrogenation metal selected from the group consisting of a Group VIIB metal, a Group VIII metal, and mixtures thereof. The process is carried out by contact |
| 7435863 |
High silica chabazite, its synthesis and its use in the conversion of oxygenates to olefins |
October 14, 2008 |
| A porous crystalline material is described having the chabazite framework type and having a composition involving the molar relationship: X.sub.2O.sub.3:(n)YO.sub.2, wherein X is a trivalent element, such as aluminum, boron, iron, indium, and/or gallium; Y is a tetravalent element su |
| 7435781 |
Polymers for electrical applications |
October 14, 2008 |
| Electrical insulation compounds are disclosed, the insulation compounds including an ethylene polymer comprising at least 40 wt % ethylene-derived units and having a density of .ltoreq.0.91 g/cm.sup.3 and a propylene polymer comprising at least 75 wt % propylene-derived units and hav |
| 7435598 |
Catalyst testing apparatus and process |
October 14, 2008 |
| An apparatus and process are described in which a plurality of preloaded catalyst samples tubes can be serially and automatically moved from a support to a reaction zone where each catalyst sample can be heated and a preheated reagent feed contacted with the sample and the effluent fed t |
| 7432336 |
Catalysts for propylene copolymers |
October 7, 2008 |
| The present invention relates to propylene based copolymers and to processes for producing propylene based copolymers, particularly propylene-ethylene copolymers. These unique copolymers are prepared using metallocene catalysts. |
| 7431803 |
Process for reducing vapor condensation in flash/separation apparatus overhead during steam crac |
October 7, 2008 |
| A flash/separation vessel for treating hydrocarbon feedstock containing resid to provide a liquid phase and a vapor phase has: (A) an inlet for introducing hydrocarbon feedstock; (B) an inlet for adding heated vaporous diluent to the vessel to dilute the vapor phase; (C) a flash/sepa |
| 7429634 |
Polymer production at supercritical conditions |
September 30, 2008 |
| This invention relates to a process to polymerize olefins comprising contacting, in a polymerization system, olefins having three or more carbon atoms with a catalyst compound, activator, optionally comonomer, and optionally diluent or solvent, at a temperature above the cloud point |
| 7429548 |
Soluble late transition metal catalysts for olefin oligomerizations III |
September 30, 2008 |
| A This invention relates to a composition comprising a catecholate ligand, palladium or nickel, and an ancillary ligand with the following structure: ##STR00001## where Pn is a Group-15 element; H is hydrogen; R.sup.7 and R.sup.8 are independently hydrogen or C.sub.1-C.sub.30 hydroc |
| 7427506 |
High throughput property testing of olefin copolymers using rheological determinations |
September 23, 2008 |
| A high throughput method to determine an amount of a comonomer in a copolymer sample of a copolymer system comprises the steps of providing a plurality of copolymer samples; creating an array of the copolymer samples; measuring a sample complex modulus of each of the copolymer sample |
| 7427381 |
Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid |
September 23, 2008 |
| A highly efficient vapor/liquid separation apparatus for treating a flow of vapor/liquid mixtures of hydrocarbons and steam comprises a substantially cylindrical vertical drum having an upper cap section, a middle section comprising a circular wall, a lower cap section, a tangential |
| 7425662 |
Oligomerization of olefins |
September 16, 2008 |
| A selectivated molecular sieve, e.g., ZSM-22 or ZSM-23, is used as olefin oligomerization catalyst to provide product, e.g., octenes and dodecenes from butene, having a low degree of branching and hindered double bonds. |
| 7425659 |
Alkylaromatics production |
September 16, 2008 |
| A process for alkylation of an alkylatable aromatic compound to produce a monoalkylated aromatic compound, comprising the steps of: (a) providing at least one reaction zone having a water content with at least one catalyst; (b) supplying the reaction zone with at least one alkylatable |
| 7425601 |
Polymers with new sequence distributions |
September 16, 2008 |
| The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers with new sequence distributions. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene, and an alkylstyrene, |
| 7425591 |
Elastomeric composition |
September 16, 2008 |
| The present invention is a composition including an isobutylene-based copolymer and polybutene. The copolymers may be mixed with an exfoliating compound and clay, the entire composition forming a nanocomposite. The clay may or may not have an additional exfoliating treatment present |
| 7423103 |
Low fouling and high activity polymerization process |
September 9, 2008 |
| This invention is directed to a polymerization process that is carried out at relatively high productivity levels and with relatively low fouling. The process includes mixing together a catalyst system, at least one monomer and a hydrofluorocarbon to produce the polymer. The reaction is |
| 7423101 |
Catalyst composition and use thereof |
September 9, 2008 |
| The present invention is directed toward Group 4, 5, 6, 7, 8, 9, 10 or 11 transition metal compounds containing neutral, mono- or di-anionic tridentate nitrogen/oxygen based ligands that are useful, with or without activators, to polymerize olefins, particularly .alpha.-olefins, or other |
| 7423100 |
Polymerization processes |
September 9, 2008 |
| The invention provides for polymerization processes to produce polymers utilizing boiling pool reactor systems and diluents including hydrofluorocarbons. |
| 7422904 |
Method of operating a fixed bed reactor under predetermined hydraulic conditions |
September 9, 2008 |
| The invention provides a system for designing, operating, monitoring and/or diagnosing a chemical reaction, particularly a hydrotreating process, using a fixed bed catalytic reactor. |
| 7422786 |
Collation shrink |
September 9, 2008 |
| The invention relates to a film structure combining a metallocene-rich layer and an HDPE-containing layer. A preferred embodiment is a structure having metallocene-rich skin layers and an HDPE-containing core. The structures of the invention are particularly useful for collation shrink. |
| 7420096 |
Olefin oligomerization |
September 2, 2008 |
| Limiting the sulphur level in olefin feedstocks to zeolite-catalysed oligomerization enhances selectivity to trimer and catalyst life and activity. |
