| Patent Number |
Title Of Patent |
Date Issued |
| 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. |
| 7419584 |
Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase fr |
September 2, 2008 |
| A process is provided for cracking hydrocarbon feedstock containing resid comprising: heating the feedstock, mixing the heated feedstock with a fluid and/or a primary dilution steam stream to form a mixture, optionally further heating the mixture, flashing the mixture within a flash/ |
| 7417093 |
Functionalization of olefin/diene copolymers |
August 26, 2008 |
| In a process for functionalizing an .alpha.-olefin/diene copolymer, a copolymer comprising units derived from at least one .alpha.-olefin and units derived from at least one diene, which copolymer contains at least one double bond, is contacted in a reaction medium with an alkyl hydr |
| 7417008 |
Supported polyoxometalates and process for their preparation |
August 26, 2008 |
| The invention relates to supported polyoxometalates represented by the formula (A.sub.n).sup.m+ [M.sub.4(H.sub.2O).sub.10(XW.sub.9O.sub.33).sub.2].sup.m- or solvates thereof, wherein A represents a cation, n is the number of cations, m is the charge of the polyoxoanion, M is a transi |
| 7414166 |
Minimizing catalyst backflow in fluidized bed reactors |
August 19, 2008 |
| This invention provides feed introduction devices, and processes for using same, which minimize catalyst clogging. In particular, the invention is to a feed introduction device having a first end in fluid communication with a feed source, a second end in fluid communication with a reacto |
| 7414165 |
Oligomerization process |
August 19, 2008 |
| In a process for oligomerizing an olefinic hydrocarbon feedstock comprising sulfur-containing molecules, the feedstock is contacted in the absence of hydrogen with a first metal oxide catalyst at a temperature in excess of 150.degree. C. and then is contacted under olefin oligomeriza |
| 7414101 |
Polymerization processes |
August 19, 2008 |
| The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent. |
| 7414100 |
Polymerization process |
August 19, 2008 |
| This invention relates to a process to increase the amount of polymer solute in a polymerization medium or effluent comprising introducing a fluorocarbon into the polymerization medium or effluent in an amount effective to increase the amount of polymer solute in the polymerization m |
| 7414006 |
Methods for oligomerizing olefins |
August 19, 2008 |
| The present invention provides a method of producing oligomers of olefins, comprising reacting olefins with a catalyst under oligomerization conditions. The catalyst can be the product of the combination of a chromium compound and a heteroaryl-amine compound. In particular embodiment |
| 7413813 |
Plasticised polyvinyl chloride |
August 19, 2008 |
| Esters of cyclohexane polycarboxylic acids are used as plasticisers for polyvinyl chloride to enable products with comparable mechanical properties to be obtained using less polyvinyl chloride. Use of these esters also produces formulations with increased stability to ultra-violet li |
| 7413811 |
Polymer composite structure |
August 19, 2008 |
| Two-component polymer composite structures are described, such as a composite structure that includes a first polymer structure and a second polymer structure adhered to one another through interfacial adhesion provided by a semicrystalline random copolymer with 70-88 mole % propylen |
| 7413648 |
Apparatus and process for controlling temperature of heated feed directed to a flash drum whose |
August 19, 2008 |
| 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 |
| 7411106 |
Molecular sieve compositions, catalyst thereof, their making and use in conversion processes |
August 12, 2008 |
| The invention relates to a catalyst composition, a method of making the same and its use in the conversion of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene The catalyst composition comprises a molecular sieve and at |
| 7411101 |
Production of alkylaromatic compounds |
August 12, 2008 |
| A process for producing a monoalkylation aromatic product, such as ethylbenzene and cumene, utilizing an alkylation reactor zone and a transalkylation zone in series or a combined alkylation and transkylation reactor zone. |
| 7411026 |
Polymers of ethylene and, optionally, copolymerizable esters, films using such polymers and stre |
August 12, 2008 |
| Polymers comprising units derived from ethylene, said polymer having: a) a Melt Index of from 0.05 to 20 g/10 min. as determined by ASTM-1238 Condition E; b) at least 10 per 1000 C-atoms of short chain branches, containing five carbon atoms or less, as determined by C13 NMR, and less |
| 7408093 |
Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feed |
August 5, 2008 |
| Hydrocarbon feedstock containing resid is cracked by a process comprising: (a) heating said hydrocarbon feedstock; (b) mixing the heated hydrocarbon feedstock with steam to form a mixture stream; (c) introducing the mixture stream to a flash/separation apparatus to form i) a vapor phase |
| 7407999 |
Low permeability nanocomposites |
August 5, 2008 |
| The present invention is a blend of a thermoplastic engineering resin and 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 exfoliated-clay, the entire blend f |
| 7405329 |
Hydroformylation |
July 29, 2008 |
| The gas cycle in a high pressure hydroformylation reaction using a series of at least two reactors is controlled to optimise yield, conversion and selectivity and to control reaction temperature. The control is achieved through balancing fresh gases and recycle gases in each of the react |
| 7405008 |
Ionomer laminates and articles formed from ionomer laminates |
July 29, 2008 |
| The present invention includes a laminate and formation of a laminate having at least one layer of an ionomer and at least one layer of an acid polymer or blend of acid polymer and a thermoplastic polyolefin that can be thermoformed to form a shaped laminate. The shaped laminate can then |
| 7404891 |
Heat recovery technique for catalyst regenerator flue gas |
July 29, 2008 |
| A technique for recovering heat from a high temperature effluent stream from catalyst regeneration or the like, comprising processes and means for: (a) passing the effluent stream in heat exchange relationship in a steam generator with boiler feed water to produce high pressure steam and |
| 7402720 |
Distillation process for removal of methyl acetylene and/or propadiene from an olefin stream |
July 22, 2008 |
| The present invention provides a process for removing methyl acetylene and/or propadiene from a propylene stream and/or a butylene stream by two step fractionation. Methyl acetylene and/or propadiene avoids the use of a hydrogenation reactor and makes the methyl acetylene and/or propadie |
| 7402718 |
Conversion process |
July 22, 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 |
| 7402636 |
Method and apparatus for decreasing polymer deposition |
July 22, 2008 |
| The disclosure provides a slurry polymerization system and method to decrease polymer deposition on reactor surfaces using an oxygenate such as alcohol (16) supplied to the polymerization medium (32) separate from the catalyst feed (34). |
| 7402628 |
Compositions of polypropylene and polyamide |
July 22, 2008 |
| The invention relates to thermoplastic compositions in which (A) an isotactic polypropylene, optionally containing comonomer, with a melting point of at least 110.degree. C. and (B) a polyamide, (A) and (B) constituting at least 70 wt %, are blended with (C) at least 2 wt % of a graf |
| 7402237 |
Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter |
July 22, 2008 |
| A process for cracking a hydrocarbon feedstock containing salt and/or particulate matter, wherein said hydrocarbon feedstock containing salt and/or particulate matter is heated, then separated into a vapor phase and a liquid phase by flashing in a flash/separation vessel, separating |
| 7399894 |
Process for producing cumene |
July 15, 2008 |
| A process for producing cumene is provided which comprises the step of contacting benzene and propylene under at least partial liquid phase alkylating conditions with a particulate molecular sieve alkylation catalyst, wherein the particles of said alkylation catalyst have a surface t |
| 7399891 |
Process for alcohol production by selective ether decomposition |
July 15, 2008 |
| This invention relates to a process for the production of an alcohol, the process comprising (a) reacting an olefin and water in the presence of a catalyst under conditions sufficient to form a crude alcohol stream comprising alcohol, and a dialkyl ether; (b) separating at least a po |
| 7399874 |
Catalyst compound containing divalent tridentate ligand |
July 15, 2008 |
| This invention relates to a catalyst compound represented by the formula: ##STR00001## wherein: M is a Group 3 to 12 transition metal; each R.sup.a is, independently, a hydrogen, a hydrocarbyl group, a substituted hydrocarbyl group or halogen; each of R.sup.1, R.sup.2, R.sup.3, R.sup. |
