| Patent Number |
Title Of Patent |
Date Issued |
| 7148171 |
Method for adding heat to a reactor system used to convert oxygenates to olefins |
December 12, 2006 |
| The present invention provides a method for adding heat to a reactor system used to convert oxygenates to olefin, in which supplemental heat is added with a heating fuel, e.g., a torch oil, having low autoignition temperature, low sulfur, and low nitrogen content. |
| 7145051 |
Combined oxydehydrogenation and cracking catalyst for production of olefins |
December 5, 2006 |
| A catalyst is provided comprising (1) at least one solid acid component, and (2) at least one metal-based component comprised of one or more element from Groups 1 3, one or more element from Groups 4 15 and one or more element from Groups 16 and 17 of the Periodic Table of the Elements. |
| 7145049 |
Oligomerization process |
December 5, 2006 |
| Alkenes, such as normal butenes in a mixed C.sub.4 stream are oligomerized, preferably to dimers, which are dimerized in a distillation column reactor over ZSM-57 zeolite catalyst at high conversions and high selectivity to octenes. Prior to oligomerization the mixed C.sub.4 stream i |
| 7145029 |
Low corrosive integrated process for preparing dialkyl carbonates |
December 5, 2006 |
| An integrated process for the production of a dialkyl carbonate and a diol from an alkylene oxide, carbon dioxide and an aliphatic monohydric alcohol is described in which an alkylene oxide is first reacted with carbon dioxide in the presence of a halogen-free carbonation catalyst to |
| 7141711 |
Catalyst fines handling process |
November 28, 2006 |
| The present invention is a process for removing catalyst fines from a reactor effluent stream that has catalyst fines therein. The process comprises withdrawing the reactor effluent stream from the reactor. The reactor effluent stream is transported in a first conduit to a quench dev |
| 7141710 |
Aromatics alkylation process |
November 28, 2006 |
| The invention relates to a process for producing alkylated aromatics, preferably ethylbenzene, in a multiple bed reactor in which at least two catalysts, each comprising a molecular sieve, are used in sequential beds. The first alkylation catalyst is selected to have a higher activity |
| 7141630 |
Methods of feed purification for olefin polymerization |
November 28, 2006 |
| A polymerization process is provided. For example, a polymerization process is described, including contacting olefin monomers with a supported metallocene catalyst to polymerize the olefin monomers and form a product mixture that includes polyolefins macromers or polymers, unreacted |
| 7138047 |
Process for steam cracking heavy hydrocarbon feedstocks |
November 21, 2006 |
| A process for feeding or cracking heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising: heating the heavy hydrocarbon feedstock, mixing the heavy hydrocarbon feedstock with a fluid and/or a primary dilution steam stream to form a mixture, flashing the mixture to |
| 7135604 |
Process for separating carbon dioxide from an oxygenate-to-olefin effluent stream |
November 14, 2006 |
| The present invention is a process for removal of carbon dioxide from a reactor effluent stream comprising water, carbon dioxide and olefin(s), where a portion of the carbon dioxide is removed in a quenching step with a quench medium and more carbon dioxide is removed by contacting the |
| 7135533 |
Ethylene, higher alpha-olefin comonomer and dienes, especially vinyl norbornene and polymers mad |
November 14, 2006 |
| This invention relates to olefin polymerization processes for polymerizing ethylene, higher alpha-olefin comonomer and dienes, especially vinyl norbornene, and especially process for producing amorphous or semi-crystalline polymers such as EPDM. The invention also relates to the nove |
| 7135528 |
Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers |
November 14, 2006 |
| 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 |
| 7132581 |
Catalyst pretreatment with aldehyde in an oxygenate to olefins reaction system |
November 7, 2006 |
| This invention concerns processes for converting oxygenates to olefins that include a step of pretreating catalyst used in the conversion reaction. A fresh or regenerated metalloaluminophosphate molecular sieve, which is low in carbon content, is pretreated with an aldehyde. The alde |
| 7132478 |
Elastic blends comprising crystalline polymer and crystallizable polymers of propylene |
November 7, 2006 |
| 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 |
| 7125821 |
Low metal content catalyst compositions and processes for making and using same |
October 24, 2006 |
| The invention provides low metal content molecular sieve catalyst compositions, processes for making such catalysts, and processes for using such catalysts in the conversion of an oxygenate into one or more light olefins. Preferably, the catalyst composition comprises a matrix materi |
| 7125817 |
Combined cracking and selective hydrogen combustion for catalytic cracking |
October 24, 2006 |
| A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Group 3 and one or more element |
| 7122603 |
Alpha-Olefin/propylene copolymers and their use |
October 17, 2006 |
| 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 |
| 7122500 |
Molecular sieve catalyst composition, its making and use in conversion processes |
October 17, 2006 |
| The invention relates to a molecular sieve catalyst composition, to a method of making or forming the molecular sieve catalyst composition, and to a conversion process using the catalyst composition. In particular, the invention is directed to making a formulated molecular sieve catalyst |
| 7122498 |
Metallocenes and catalyst compositions derived therefrom |
October 17, 2006 |
| Metallocenes and catalyst systems for olefin polymerization derived therefrom. The metallocenes may be represented by the formula: ##STR00001## wherein M.sup.1 preferably is zirconium or hafnium; and R.sup.12 is different from hydrogen. |
| 7122495 |
Combined cracking and selective hydrogen combustion for catalytic cracking |
October 17, 2006 |
| A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst system contains at least one solid acid component and at least one metal-based component which consists of (a) oxygen and/or sulfur and (b) a metal combinatio |
| 7122494 |
Combined cracking and selective hydrogen combustion for catalytic cracking |
October 17, 2006 |
| A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of two or more elements from Groups 4 15 of the Periodic Tab |
| 7122493 |
Combined cracking and selective hydrogen combustion for catalytic cracking |
October 17, 2006 |
| A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises: (1) at least one solid acid component, (2) at least one metal-based component comprised of (i) at least one of oxygen and sulfur (ii) one or mor |
| 7122492 |
Combined cracking and selective hydrogen combustion for catalytic cracking |
October 17, 2006 |
| A catalyst system and process for combined cracking and selective hydrogen combustion of hydrocarbons are disclosed. The catalyst comprises (1) at least one solid acid component, (2) at least one metal-based component comprised of one or more elements from Groups 1 and 2; one or more |
| 7122160 |
Reactor with multiple risers and consolidated transport |
October 17, 2006 |
| The present invention is directed to a hydrocarbon conversion apparatus. The apparatus comprises the following: a plurality of riser reactors, each of the riser reactors having a first end into which a catalyst can be fed and a second end through which the catalyst can exit the riser |
| 7119242 |
Interior surface modifications of molecular sieves with organometallic reagents and the use ther |
October 10, 2006 |
| A method for the post synthesis modification of molecular sieves with organometallic reagents. The method may be used for large pore molecular sieves and small pore molecular sieves, such as SAPO-34. SAPO-34 is a useful catalyst for the conversion of oxygenates, such as methanol, to |
| 7119239 |
Manufacture of xylenes using reformate |
October 10, 2006 |
| A process is provided for the production of xylenes from reformate. The process is carried out by methylating under conditions effective for the methylation, the benzene/toluene present in the reformate outside the reforming loop, to produce a resulting product having a higher xylenes |
| 7119155 |
Polymerized catalyst composition II |
October 10, 2006 |
| Copolymerization of Ni(II) phenol imine complexes containing olefinic substituents on aryl groups with styrene in the presence of a radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerization. These catalysts |
| 7119146 |
Polymer blend compatibilization using isobutylene-based block copolymers II |
October 10, 2006 |
| Compatibilized blends of an isoolefin polymer and an unsaturated diene polymer are prepared by utilizing a compatibilizing agent comprising a block/graft copolymer containing poly- or copoly-isoolefin segments and C.sub.4 to C.sub.6 alkyl-substituted styrene polymer segments, such as |
| 7116414 |
On-line measurement and control of polymer properties by raman spectroscopy |
October 3, 2006 |
| Methods are provided for determining and controlling polymer properties on-line in a polymerization reactor system, such as a fluidized bed reactor. The methods include obtaining a regression model for determining a polymer property, the regression model including principal component |
| 7115791 |
Method and apparatus for controlling effluent composition in oxygenates to olefins conversion |
October 3, 2006 |
| A process for controlling an oxygenates to olefin reactor is disclosed which comprises: contacting oxygenate-containing feedstock, e.g., methanol, in a reaction zone in the presence of a molecular sieve oxygenate to olefins conversion catalyst under conditions sufficient to provide a |
| 7115789 |
Process for removal of alkynes and/or dienes from an olefin stream |
October 3, 2006 |
| The present invention is a process for removing alkynes and/or dienes from an olefin product stream withdrawn from an oxygenate-to-olefins reactor. The process comprises hydrogenating a first olefin stream that has alkynes and/or dienes in the presence of excess hydrogen and a first |
| 7115538 |
Ethylbenzene conversion catalyst and process |
October 3, 2006 |
| An ethylbenzene conversion catalyst is described which comprises a molecular sieve and a hydrogenation metal, wherein the catalyst exhibits a benzene hydrogenation activity at 100.degree. C. of less than about 100 and a metal dispersion, as measured by hydrogen chemisorption, greater |
| 7114507 |
Process for removing contaminants from a compressor intercooler in a methanol to olefin separati |
October 3, 2006 |
| The invention is to a process for removing contaminants from a compressor and/or compressor intercooler in a methanol to olefin separation system. The process comprises compressing an effluent in a compressor having an inlet and an outlet and a compressor surface, the compressing occurri |
| 7112711 |
Alkene oligomerization process |
September 26, 2006 |
| A process for oligomerising alkenes having from 3 to 6 carbon atoms which comprises contacting a feedstock comprising a) one or several alkenes having x carbon atoms, and, b) optionally, one or several alkenes having y carbon atoms, x and y being different, with a catalyst containing a |
| 7112624 |
Ethylene alkyl acrylate copolymers with improved heat resistance |
September 26, 2006 |
| The invention provides a copolymer of ethylene and at least 5 mol % of comonomer units derived from an alkyl acrylate or alkyl methacrylate, wherein the copolymer has a melt index of from 1 to 10,000 g/10 min, and a maximum peak melting temperature of at least 100.degree. C. The alkyl |
| 7109270 |
Elastic blends comprising crystalline polymer and crystallizable polymers of propylene |
September 19, 2006 |
| 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 |
| 7106437 |
On-line measurement and control of polymer product properties by Raman spectroscopy |
September 12, 2006 |
| Methods are provided for determining and controlling polymer product properties on-line in a slurry reactor system, such as a stirred slurry or slurry loop reactor. The methods include obtaining a regression model for determining a polymer product property, the regression model inclu |
| 7105609 |
Alpha-olefin/propylene copolymers and their use |
September 12, 2006 |
| 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 |
| 7105603 |
High impact polymer compositions |
September 12, 2006 |
| Disclosed herein are various compositions that have particular utility in automotive components, including compositions that include: (a) polypropylene having a melting point of 110.degree. C. or more; (b) ethylene .alpha.-olefin polymer in which the .alpha.-olefin is C.sub.4 or high |
| 7102051 |
Treatment of molecular sieves with silicon containing compounds |
September 5, 2006 |
| This invention is directed to a molecular sieve composition or a catalyst containing molecular sieve which has a relatively high residual silica index, preferably at least about 1.5. The molecular sieve or catalyst can be made by contacting a template-containing molecular sieve with a |
| 7102050 |
Multiple riser reactor |
September 5, 2006 |
| The present invention is directed to a hydrocarbon conversion apparatus. The apparatus comprises the following: a plurality of riser reactors, each of the riser reactors having a first end into which a catalyst can be fed and a second end through which the catalyst can exit the riser |
| 7102048 |
Methanol feed for producing olefin streams |
September 5, 2006 |
| This invention provides a methanol composition, a method of making the composition, and a method of using the composition. The methanol composition of this invention is supplemented with certain additional alcohols and/or aldehydes, and serves as a particularly desirable feed stream |
| 7102037 |
Selective decomposition of ethers |
September 5, 2006 |
| A process for selectively converting a dialkyl ether to the corresponding alkene and alkanol comprises contacting a feed containing at least one dialkyl ether with a catalyst comprising a mixed metal oxide which comprises at least one metal selected from Group 4 of the Periodic Table |
| 7101939 |
Ethylene/.alpha.-olefin copolymer made with a non-single-site/single-site catalyst combination, |
September 5, 2006 |
| An ethylene/.alpha.-olefin copolymer comprising a component produced by a non-single-site polymerization catalyst and a component produced by a single-site polymerization catalyst, its preparation and use are described. The copolymer has an .alpha.-olefin content of 5 to 20 percent b |
| 7101936 |
Olefin polymerization process to produce branched polymer compositions |
September 5, 2006 |
| A method of lowering MFR response of a high-melt-flow-rate-polymer-producing metallocene catalyst is provided. The method includes contacting the metallocene catalyst with a sufficient quantity of .alpha.,.omega.-diene monomer such that when the catalyst composition is contacted with |
| 7098301 |
High pressure filter method of separating polymer solids and unreacted monomer |
August 29, 2006 |
| The present invention provides a method of separating unreacted monomer from a polymerization process effluent stream. The polymerization process effluent stream has at least the following components: unreacted monomer, polymer, and solid fines. The method comprises passing the effluent |
| 7098277 |
Polypropylene films |
August 29, 2006 |
| The present invention provides isotactic polypropylene compositions suitable for cast film applications, cast polypropylene films made therefrom, and processes for forming such films. The novel polypropylene films are formed from film resins having a melt flow ratio of from 6 15 dg/m |
| 7097758 |
Converting mist flow to annular flow in thermal cracking application |
August 29, 2006 |
| A process to increase the non-volatile removal efficiency in a flash drum in the steam cracking system. The gas flow from the convection section is converted from mist flow to annular flow before entering the flash drum to increase the removal efficiency. The conversion of gas flow from |
| 7094848 |
Olefin polymerization catalyst system |
August 22, 2006 |
| This invention relates to a compound represented by the formula: ##STR00001## wherein M is selected from groups 3 11 of the periodic table; ##STR00002## L.sup.1 represents a formal anionic ligand, L.sup.2 represents a formal neutral ligand, a is an integer greater than or equal to |
| 7094837 |
Translucent thermoplastic elastomers |
August 22, 2006 |
| Thermoplastic elastomers having the property of optical translucence are provided by incorporating syndiotactic polypropylene homopolymer into olefinic elastomers. The rubber component of the composition is at least partially cured. |
| 7094835 |
Elastic blends comprising crystalline polymer and crystallizable polymers of propylene |
August 22, 2006 |
| 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 |
