| Patent Number |
Title Of Patent |
Date Issued |
| 7501375 |
Molecular sieve catalyst composition, its making and use in conversion processes |
March 10, 2009 |
| This invention provides methods of making molecular sieve catalyst particles, molecular sieve slurries that can be used in such methods, molecular sieve catalyst compositions and their use in catalytic hydrocarbon conversion processes. In one of its aspects, the invention provides a |
| 7498475 |
Molecular sieve mixtures for olefin formation |
March 3, 2009 |
| Molecular sieve catalysts are combined to provide a catalyst mixture having a beneficial combination of the activities and selectivities of the individual molecular sieves. The molecular sieve catalysts can be formulated or unformulated silicoaluminophosphate molecular sieves, silico |
| 7498381 |
Low permeability elastomeric-metal phosphate nanocomposites |
March 3, 2009 |
| The present invention provides a nanocomposite of an isobutylene-based elastomer and a phosphate nanofiller. Also disclosed is a nanocomposite embodiment wherein the elastomer is BIMSM and high aspect ratio, partially intercalated, partially exfoliated alpha-zirconium phosphate treat |
| 7498011 |
Aluminophosphate molecular sieve, its synthesis and use |
March 3, 2009 |
| A large pore (metallo)aluminophosphate molecular sieve is disclosed The material has an X-ray diffraction pattern including the lines listed in Table 4 and is synthesized in the presence of 4-dimethylaminopyridine as structure directing agent. |
| 7495142 |
Protecting catalytic sites of metalloaluminophosphate molecular sieves |
February 24, 2009 |
| Metalloaluminophosphate molecular sieves and metalloaluminophosphate molecular sieve catalyst particles are protecting from degradation by water by maintaining said molecular sieves or catalysts in contact with a liquid mixture of alcohol and water, the mixture of alcohol and water c |
| 7495141 |
Minimizing corrosion in a methanol-to-olefin effluent processing system |
February 24, 2009 |
| The present invention is directed toward reducing corrosion in a methanol-to-olefin (MTO) effluent processing system, and particularly in the condensate removal system thereof, by injecting a neutralization agent into one or more target regions of the MTO effluent processing system. |
| 7495048 |
Heat sealable compositions and uses thereof |
February 24, 2009 |
| Ethylene unsaturated ester copolymers combined with a resin are disclosed for use in the sealing layers of laminates and films. |
| 7494626 |
Methods of delivering catalyst systems for propylene polymerization |
February 24, 2009 |
| A polymerization process is provided. For example, a polymerization process is described, including providing a catalyst slurry having a metallocene catalyst and a first oil, providing a transport medium including a second oil and combining the transport medium and the catalyst slurr |
| 7491776 |
Polymerization process |
February 17, 2009 |
| This invention is directed to processes of making polymer in the presence of a hydrofluorocarbon or perfluorocarbon and recovering the polymer. The processes provided enable polymerization processes to be practiced with minimal fouling in the reaction system, and provide polymer products |
| 7491773 |
Halogenated polymers with new sequence distributions |
February 17, 2009 |
| The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel halogenated polymers with new sequence distributions. In particular, the invention relates to halogenated copolymers of an isoolefin, preferably isobut |
| 7491764 |
Low permeability nanocomposites |
February 17, 2009 |
| The present invention includes blends of a halogenated elastomer such as a butyl rubber or an interpolymer of, on one embodiment, a C.sub.4 to C.sub.7 isomonoolefin, a para-methylstyrene and a para-(halomethylstyrene), the interpolymer having been pre-mixed with an exfoliating compou |
| 7488459 |
Apparatus and process for controlling temperature of heated feed directed to a flash drum whose |
February 10, 2009 |
| An apparatus and process are provided for cracking hydrocarbonaceous feed, wherein the temperature of heated effluent directed to a vapor/liquid separator, e.g., flash drum, whose overhead is subsequently cracked, can be controlled within a range sufficient so the heated effluent is |
| 7485767 |
Production of synthesis gas blends for conversion to methanol or Fischer-Tropsch liquids |
February 3, 2009 |
| The present invention provides a process for producing synthesis gas blends which are especially suitable for conversion either into oxygenates such as methanol or into Fischer-Tropsch liquids. Such a process involves reforming of two separate gaseous hydrocarbon feedstreams (formed, |
| 7485763 |
Using a catalyst having two different zeolites for transalkylation of a C9+ aromatic feed |
February 3, 2009 |
| In a process for converting C.sub.9+ aromatic hydrocarbons to lighter aromatic products a feed comprising C.sub.9+ aromatic hydrocarbons is contacted under transalkylation reaction conditions with a catalyst composition comprising (i) a first molecular sieve selected from the group c |
| 7485677 |
Low permeability nanocomposites |
February 3, 2009 |
| The present invention is a blend of an halogenated elastomer and a clay, desirably an exfoliated clay, to form a nanocomposite suitable for an air barrier. In one embodiment, the halogenated elastomer is a polymer comprising C.sub.4 to C.sub.7 isoolefin derived units, a para-methylst |
| 7483129 |
On-line properties analysis of a molten polymer by raman spectroscopy for control of a mixing de |
January 27, 2009 |
| Method and systems for online analysis of a polymeric material within a mixing device are provided. In certain embodiments, the methods and systems subject the polymeric material to Raman spectroscopy analysis. The Raman spectroscopy provides analysis of polymer properties that may i |
| 7482418 |
Crystalline propylene-hexene and propylene-octene copolymers |
January 27, 2009 |
| Improved thermoplastic polymer blend compositions comprising an isotactic polypropylene component and an alpha-olefin and propylene copolymer component, said copolymer comprising crystallizable alpha-olefin sequences. In a preferred embodiment, improved thermoplastic polymer blends a |
| 7482410 |
Processes for producing high density polyethylene |
January 27, 2009 |
| Processes for reducing the ultra high molecular weight polymeric material content of a high density polyethylene produced with a bis-triarylsilyl chromate catalyst system are provided. Processes for reducing the gel content of articles produced from high density polyethylene are also |
| 7481871 |
Vapor/liquid separation apparatus |
January 27, 2009 |
| A vapor/liquid separation apparatus for treating a flow of vapor/liquid mixtures of hydrocarbons and steam comprises a vertical drum with a side inlet to introduce hydrocarbon/steam mixtures, an overhead vapor outlet, and a lower section in communication with a cylindrical boot of less |
| 7479531 |
Olefin polymerization catalyst system useful for polar monomers |
January 20, 2009 |
| This invention relates to copolymers produced by a polymerization method comprising contacting at least one olefin monomer, at least one polar monomer, an optional activator, and a catalyst compound represented by the formula: ##STR00001## wherein M is selected from groups 3-11 of the |
| 7479468 |
Integrating an air separation unit into an oxygenate-to-olefins reaction system |
January 20, 2009 |
| This invention provides an integrated system and process for forming light olefins and polymers from oxygenates, and optionally from natural gas. The integrated system includes an air separation unit, which separates air components into an oxygen stream and a nitrogen stream, and which |
| 7479327 |
Tie-layer materials for use with ionomer-based films and sheets as skins on other materials |
January 20, 2009 |
| The present invention relates to new tie-layer materials for making (1) new multilayer structures formed from one or more ionomers and one or more new tie-layers including a (co) extrudable tie resin (CTR), and optionally a backing layer to form laminates, (2) new composite articles |
| 7476710 |
Heterogeneous polymer blends and molded articles therefrom |
January 13, 2009 |
| This invention relates to a molded article comprising a heterogeneous blend that includes: 1) from 60 to 99 weight percent of one or more semi-crystalline propylene homopolymers or copolymers having a melting point between 100 and 170 .degree. C. and a melt flow rate of 200 dg/min |
| 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 |
