| Patent Number |
Title Of Patent |
Date Issued |
| 7332551 |
Partially fluorinated naphthyl-based borates |
February 19, 2008 |
| Non-coordinating anions or anion precursors are disclosed. These non-coordinating anions serve as the activator for olefin polymerization catalyst systems. As such, they abstract an alkyl leaving group from a metallocene catalyst precursor leaving an activated catalyst charge balance |
| 7332134 |
Fluid bed oxygenates to olefins reactor apparatus and process of controlling same |
February 19, 2008 |
| A reactor apparatus and related method for controlling at least one process variable in a circulating fluid bed oxygenates to olefins reactor system comprising a riser are provided. The process variable is selected from at least one of (i) space velocity, (ii) average reaction temper |
| 7329697 |
Elastomeric compositions |
February 12, 2008 |
| The present invention includes compositions suitable for tire treads or sidewalls and other articles where abrasion resistance and flexibility are desirable. The invention includes a tire tread or sidewall made by combining a filler; a sulfur cure system; optionally at least one seco |
| 7329625 |
Attrition resistant molecular sieve catalyst |
February 12, 2008 |
| This invention provides a process for making an attrition resistant molecular sieve catalyst composition. The formation of highly attrition resistant catalyst particles is accomplished by initially mixing together catalyst components to form a slurry at a relatively low viscosity and |
| 7329309 |
Gas-solids separation device and method |
February 12, 2008 |
| A multi-stage gas-solids separator is configured so that the higher density (solids) output flows of two or more of the separator stages are merged together. The multi-stage separator is preferably composed of cyclone separators, with the diplegs of at least two of the cyclone separa |
| 7328733 |
Inner tube compositions having improved heat resistance characteristics |
February 12, 2008 |
| Halogenated isobutylene-co-alkylstyrene polymer, preferably halogenated isobutylene-co-methylstyrene polymer, even more preferably brominated isobutylene-co-paramethylstyrene polymer (BIMS), blends thereof, and blends with a second rubber, show improved heat resistance compared to bu |
| 7326821 |
Removal of oxygenate from an olefin stream |
February 5, 2008 |
| This invention is to a process for removing dimethyl ether from an olefin stream. The process includes contacting the olefin stream with a molecular sieve that has improved capacity to adsorb the dimethyl ether from the olefin stream. The molecular sieve used to remove the dimethyl e |
| 7326818 |
Selectivation of molecular sieve catalysts and use therof in hydrocarbon conversion |
February 5, 2008 |
| In a process for preparing a selectivated catalyst composition useful in the disproportionation of toluene, a catalyst comprising an acidic molecular sieve is contacted with a boron compound at a temperature in excess of 500.degree. C.; and the resultant catalyst is then contacted wi |
| 7326815 |
Selective oxidation of alkylbenzenes |
February 5, 2008 |
| The present invention relates to a process for producing phenol and a ketone of general formula R.sup.1COCH.sub.2R.sup.3 (I), in which R.sup.1 and R.sup.2 each independently represent an alkyl group having from 1 to 4 carbon atoms, said process comprising: (a) providing an alkylbenzene |
| 7326756 |
High temperature bulk polymerization of branched crystalline polypropylene |
February 5, 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 branched crystalline polypropylene composition that comprises contacting a supporte |
| 7326332 |
Multi component catalyst and its use in catalytic cracking |
February 5, 2008 |
| A multi component catalyst and catalytic cracking process for selectively producing C.sub.3 olefins. The catalyst comprises a first molecular sieve having an intermediate pore size, a second molecular sieve and, optionally a third molecular sieve having a large pore size. At least one |
| 7323612 |
Removal of condensable compounds from an olefin stream |
January 29, 2008 |
| This invention is directed to a process for condensing and removing condensable compounds from an olefin stream containing light olefin compounds, and recovering the light olefin compounds. The process of the invention is particularly effective in removing water and heavy hydrocarbon |
| 7323239 |
Protective films |
January 29, 2008 |
| Multilayer protective films that adhere well to many different surfaces and can be removed without leaving residues are provided. The films consist of a polyolefin backing layer(s) and an adhering layer consisting of an ethylene unsaturated ester copolymer layer containing a resin. The |
| 7323147 |
Method and apparatus for treating oxygenate-containing feeds and their use in conversion of oxyg |
January 29, 2008 |
| A feed vaporization process and apparatus for oxygenate to olefin conversion is provided which uses a vapor-liquid disengaging drum to separate non-volatiles and/or partial non-volatiles from volatiles in the oxygenate feed and produce a vaporized effluent that is reduced in non-vola |
| 7323099 |
Two stage fluid catalytic cracking process for selectively producing C.sub.2 to C.sub.4 olefins |
January 29, 2008 |
| A process for selectively producing C.sub.2 to C.sub.4 olefins from feedstock such as a gas oil or resid. The feedstock is reacted in a first stage comprising a fluid catalytic cracking unit wherein it is converted in the presence of a mixture of conventional large pore zeolitic catalyst |
| 7322818 |
Method for adjusting pre-mix burners to reduce NO.sub.x emissions |
January 29, 2008 |
| A method for reducing NO.sub.x emissions from a furnace having multiple burners, each burner including at least one chamber for supplying a flow of combustion air and means to adjust the flow of air to the at least one chamber. The method includes the steps of measuring a parameter c |
| 7319178 |
Molecular sieve compositions, catalysts thereof, their making and use in conversion processes |
January 15, 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 |
| 7319125 |
Supercritical polymerization process and polymers produced therefrom |
January 15, 2008 |
| This invention relates to a process to produce propylene polymers comprising contacting a metallocene catalyst compound and an activator in a reaction medium comprising propylene, from 0 to 30 volume % of one or more solvents and from 0 to 30 mole % of one or more comonomers, under t |
| 7319122 |
Polypropylene resin suitable for fibers and nonwovens |
January 15, 2008 |
| A blended polypropylene composition, fiber, and nonwoven articles made therefrom are provided. In one aspect, the blended polypropylene composition comprises a first polymer component having a molecular weight distribution of from 2.5 to 8, and a second polymer component having a mol |
| 7319083 |
Polymerized catalyst composition |
January 15, 2008 |
| A composition is provided that includes a product of combining, in the presence of a free radical initiator a catalyst precursor and at least one monomer wherein the monomer and the catalyst precursor are poiymerizable by free-radical polymerization and wherein the catalyst precursor |
| 7319077 |
Polymer blends and nonwoven articles therefrom |
January 15, 2008 |
| This invention relates to a nonwoven article comprising a heterogeneous blend comprising: 1) from 60 to 99 weight percent of one or more semi-crystalline polymers (based upon the weight of the semi-crystalline and semi-amorphous polymers), each semi-crystalline polymer comprising p |
| 7317057 |
Catalyst composition and use thereof |
January 8, 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 |
| 7314901 |
Polypropylene films |
January 1, 2008 |
| Films disclosed herein contain a base or core layer comprising a first polypropylene, a second polypropylene, and a hydrocarbon resin. The base layers may also include other additives as described below. The first polypropylene is preferably a high crystallinity polypropylene having a |
| 7312371 |
Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precurso |
December 25, 2007 |
| A process for cracking a heavy hydrocarbon feedstock containing non-volatile components and/or coke precursors, wherein a stripping agent is added to the feedstock to form an enhanced hydrocarbon blend which is thereafter separated into a vapor phase and a liquid phase by flashing in |
| 7312369 |
Attrition resistant molecular sieve catalyst, method of making and process for using |
December 25, 2007 |
| This invention provides an attrition resistant metalloaluminophosphate molecular sieve catalyst composition, methods of making the catalyst composition and processes for using the catalyst composition. The metalloaluminophosphate molecular sieve catalyst composition is highly attriti |
| 7311814 |
Process for the production of hydrocarbon fluids |
December 25, 2007 |
| Hydrocarbon fluids are produced by hydrocracking a vacuum gas oil stream, fractionating and/or hydrogenating the hydrocracked vacuum gas oil. The fluids typically have ASTM D86 boiling point ranges within the range 100.degree. C. to 400.degree. C. the range being no more than 75.degree. |
| 7311746 |
Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid |
December 25, 2007 |
| 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 |
| 7309806 |
Maintaining molecular sieve catalytic activity under water vapor conditions |
December 18, 2007 |
| The invention is directed to methods for protecting metalloaluminophosphate molecular sieves, particularly silicoaluminophosphate (SAPO) molecular sieves, from loss of catalytic activity due to contact with a gas containing water. The methods of the invention provide procedures that |
| 7309383 |
Process for removing solid particles from a gas-solids flow |
December 18, 2007 |
| Catalyst losses are prevented in riser reactor systems by using a low inlet velocity for the first cyclone separator in each multi-stage cyclone separator in the reactor. Catalyst particles not separated from the product output flow in an oxygenate-to-olefin reactor are also recaptur |
| 7307257 |
Method and apparatus for on-line measurement of polymer properties |
December 11, 2007 |
| The invention is a method and apparatus for on-line measurement of polymer properties such as moisture content, ethylene content, Epoxidized Soy Bean Oil (ESBO) content, calcium stearate content and ethylidene norbornene (ENB) content. |
| 7307196 |
Molecular sieve compositions, catalyst thereof, their making and use in conversion processes |
December 11, 2007 |
| 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 |
| 7307177 |
Metallocene complexes, their synthesis and use in catalyst systems for olefin polymerization |
December 11, 2007 |
| A metallocene complex is represented by the the formula (C.sub.pR.sub.5).sub.nMX.sub.k where C.sub.p (each occurrence) is a cyclopentadienyl group; each of the five R substituents on the or each cyclopentadienyl group is independently selected from hydrogen, C.sub.1 to C.sub.30 subst |
| 7307126 |
Polyethylene compositions for rotational molding |
December 11, 2007 |
| Polyethylene blend compositions suitable for rotomolding, rotomolded articles, and processes for rotomolding articles are provided. The polyethylene compositions include a first polyethylene having a melt index of 0.4 to 3.0 g/10 min and a density of from 0.910 to 0.930 g/cm.sup.3; a |
| 7304197 |
Recycling oxygenate-rich streams in oxygenate-to-olefin processes |
December 4, 2007 |
| A process and apparatus are provided for converting oxygenate to olefins which comprises: contacting a feedstock comprising oxygenate with a catalyst comprising a molecular sieve under conditions effective to produce a vaporous product comprising the olefins, water and unreacted oxyg |
| 7303702 |
Reduced cuffing in blow molding processes |
December 4, 2007 |
| Defects in a blow molding process are reduced or eliminated by providing a small amount of a low molecular weight polyethylene glycol to the composition blow molded. |
| 7301065 |
Molecular-sieve catalyst composition, its making and use in conversion processes |
November 27, 2007 |
| 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 |
| 7300981 |
Abrasion resistant elastomeric compositions |
November 27, 2007 |
| The present invention includes elastomeric compositions of BIMS elastomers suitable for abrasion resistant, high traction and/or barrier articles. The compositions and articles made from those compositions of the inventions can be described in any number of embodiments. In one embodi |
| 7297833 |
Steam cracking of light hydrocarbon feedstocks containing non-volatile components and/or coke pr |
November 20, 2007 |
| A process for cracking a light hydrocarbon feedstock containing non-volatile components and/or coke precursors, wherein a heavy hydrocarbon feedstock is added to the contaminated light hydrocarbon feedstock to form a contaminated hydrocarbon feedstock blend which is thereafter separa |
| 7297829 |
Aromatics alkylation |
November 20, 2007 |
| The present invention provides a process for producing an alkylaromatic compound comprising the step of contacting an alkylatable aromatic compound with an alkylating agent under alkylation conditions in the presence of a alkylation catalyst comprising phosphorus and a porous crystal |
| 7297747 |
Polymerization process and polymer composition |
November 20, 2007 |
| Olefin polymerization processes using catalyst systems based on metallocenes and olefin, in particular, propylene polymers obtainable thereby. The metallocenes may be represented by the formula: ##STR00001## wherein M.sup.1 preferably is zirconium or hafnium; and R.sup.12 is differe |
| 7297738 |
Plasticized polyvinyl chloride |
November 20, 2007 |
| 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 |
| 7297653 |
Fluorophenylborates and their use as activators in catalyst systems for olefin polymerization |
November 20, 2007 |
| A fluorophenylborate useful as an activator for an olefin polymerization catalyst is represented by the formula: Ct.sup.+[B--(Ar.sup.fR.sub.n).sub.4].sup.- where Ct.sup.+ is a cation capable of extracting an alkyl group from, or breaking a carbon-metal bond of, an organo metallic com |
| 7294681 |
Mutliple catalyst system for olefin polymerization and polymers produced therefrom |
November 13, 2007 |
| This invention relates to a polymer of one or more C3 to C40 olefins, optionally one or more diolefins, and less than 15 mole % of ethylene, and polymerization processes for producing the same. |
| 7294664 |
Elastomeric blend for air barriers comprising grafted resin components |
November 13, 2007 |
| A composition suitable for an air barrier such as an automotive tire innertube, innerliner, and aircraft tire innertube or innerliner, curing bladders, and other pneumatic devices is disclosed. The composition comprises an elastomer, a processing oil, and a grafted resin component. |
| 7288689 |
Methanol and fuel alcohol production for an oxygenate to olefin reaction system |
October 30, 2007 |
| The present invention provides various processes for producing C1 to C4 alcohols, optionally in a mixed alcohol stream, and optionally converting the alcohols to light olefins. In one embodiment, the invention includes directing a first portion of a syngas stream to a methanol synthesis |
| 7288184 |
Process for mitigating acids in a system for separating aromatic hydrocarbons from a hydrocarbon |
October 30, 2007 |
| Disclosed is a process for removing acids in a system in which aromatic hydrocarbons are separated from a mixture with aliphatic hydrocarbons. The aromatic hydrocarbons are extracted from the mixture using an extracting solvent. The aromatic hydrocarbons are stripped from the extract |
| 7285697 |
Reduction of total sulfur in crude and condensate cracking |
October 23, 2007 |
| A process for cracking hydrocarbon feedstock comprising at least one sulfur-containing compound comprising: heating the feedstock and a peroxide-containing compound, mixing the heated feedstock and peroxide-containing compound with a fluid and/or a primary dilution steam stream to fo |
| 7285679 |
Oxidation of alkanes |
October 23, 2007 |
| Alkanes are oxidised to oxygenates such as carboxylic acids with molecular oxygen employing a two component catalyst system which uses a liganded heavy metal compound and a mixed metal oxide. |
| 7285617 |
Oxygen tailoring of polyethylene blow molding resins |
October 23, 2007 |
| Processes are disclosed for oxygen-tailoring polyethylene blow molding resin. Polyethylene resin is conveyed through a feed zone, a melt-mixing zone and a melt zone, wherein the temperature of the polyethylene resin is from about 216.degree. C. to about 260.degree. C. in the melt zone. |
| 7285609 |
Olefin polymerization catalyst system useful for polar monomers |
October 23, 2007 |
| This invention relates to 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 periodic table; ##ST |