| Patent Number |
Title Of Patent |
Date Issued |
| 7619128 |
Stabilizing catalyst activity during catalyst regeneration |
November 17, 2009 |
| This invention is directed to methods of converting oxygenates to olefin products. The methods provided include steps for protecting against deactivation of active molecular sieve catalysts during the conversion process. In particular, the invention provides for methods of regenerati |
| 7619127 |
Method of operating a riser reactor |
November 17, 2009 |
| A method for maximizing the contact between solid catalyst particles and a feedstock while minimizing undesirable side reactions is provided. A plurality of feedstock jets are contacted with solid catalyst particles in a reactor having a non-homogenous contact zone and a unified flow |
| 7619038 |
Homogeneous polymer blend and articles therefrom |
November 17, 2009 |
| This invention relates to homogeneous blends of: 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 propylene and from 0 to 5 weight % alpha-o |
| 7619027 |
Plasticized polyolefin compositions |
November 17, 2009 |
| The present invention relates to plasticized polyolefin compositions comprising a polyolefin and a non-functionalized hydrocarbon plasticizer. |
| 7619026 |
Plasticized polyolefin compositions |
November 17, 2009 |
| The present invention relates to plasticized polyolefin compositions comprising a polyolefin and a non-functionalized hydrocarbon plasticizer. |
| 7615673 |
Propylene oligomerization process |
November 10, 2009 |
| A process for the oligomerization of propylene is disclosed wherein MCM-22 zeolite prepared as a distillation structure is used in a reaction distillation zone under conditions of temperature and pressure to concurrently react the propylene to produce oligomers thereof and separate t |
| 7615589 |
Properties of peroxide-cured elastomer compositions |
November 10, 2009 |
| An elastomeric composition and method for making the same are provided. The composition can include a rubber component comprising one or more ethylene-propylene elastomers, one or more peroxide curing agents and one or more non-functionalized plasticizers having a viscosity index of 120 |
| 7615578 |
Fast fluid bed methanol synthesis |
November 10, 2009 |
| This invention is directed to a process for making a methanol product from a synthesis gas (syngas) feed using a fast fluid bed reactor. The reactor is operated at substantially plug flow type behavior. The heat from circulated catalyst is sufficient to initiate the reaction process with |
| 7615143 |
Hydrothermally stable catalyst and its use in catalytic cracking |
November 10, 2009 |
| There is provided a catalyst composition having improved hydrothermal stability for the catalytic cracking of a hydrocarbon feedstock to selectively produce propylene. The catalyst composition comprises a first crystalline molecular sieve selected from the group consisting of IM-5, M |
| 7605217 |
High strength propylene-based elastomers and uses thereof |
October 20, 2009 |
| The present invention provides a crosslinked propylene-based elastomer having an isotactic propylene triad tacticity of from 65 to 95%, a melting point by DSC equal to or less than 110.degree. C., a heat of fusion of from 5 J/g to 50 J/g, an ultimate tensile strength of 1 MPa or grea |
| 7605205 |
Nanocomposite compositions and processes for making the same |
October 20, 2009 |
| The invention provides for processes for preparing a nanocomposite compositions including the steps of: contacting a multifunctional intercalant including a cationic moiety separated from an anionic moiety by at least 1 carbon, with a clay at a temperature and for a period of time su |
| 7605105 |
Transition metal polymerization catalysts, their synthesis and use in olefin polymerization |
October 20, 2009 |
| A transition metal ligand complex has the following formula: ##STR00001## wherein R.sub.1 and R.sub.2 (each occurrence) independently represent an aryl, alkyl, or cycloalkyl group having up to 20 carbon atoms; R.sub.3 and R.sub.4 (each occurrence) independently represent an aryl, alkyl, |
| 7601666 |
Olefin polymerization catalyst system and process for use thereof |
October 13, 2009 |
| A compound represented by the formula: ##STR00001## where: M is a transition metal selected from group 4 of the periodic table; each R.sup.1 is independently selected from the group consisting of hydrogen, hydrocarbyl, substituted hydrocarbyl and functional group, and any two R.su |
| 7601409 |
Stretch film |
October 13, 2009 |
| Stretch films are disclosed, the films having at least one layer formed of or including a polyethylene copolymer and having a natural draw ratio of at least 250%, a tensile stress at the natural draw ratio of at least 22 MPa, and a tensile stress at second yield of at least 12 MPa. In so |
| 7598197 |
Catalyst cooling processes utilizing steam superheating |
October 6, 2009 |
| This invention provides processes, systems and devices for cooling catalyst, preferably regenerated catalyst, by superheating steam and boiling water. The inventive process advantageously provides ideal cooling conditions while ensuring minimal hydrothermal deactivation of the cataly |
| 7595420 |
Hydrogenation of benzene polycarboxylic acids or derivatives thereof |
September 29, 2009 |
| A process for hydrogenating benzenepolycarboxylic acids or derivatives thereof, such as esters and/or anhydrides, by bringing one or more benzenepolycarboxylic acids or one or more derivatives thereof into contact with a hydrogen-containing gas in the presence of one or more catalyti |
| 7595365 |
Combinations of tackifier and polyalphaolefin oil |
September 29, 2009 |
| The use of a polyalphaolefin oil or combinations of polyalphaolefin oils to modify the softening point characteristics of a tackifier and compositions containing a tackifier and polyalphaolefin oil are disclosed herein. |
| 7595275 |
Catalyst compositions and their synthesis |
September 29, 2009 |
| The present invention relates to molecular sieve compositions and a process to synthesize such compositions. More particularly, this invention relates to a catalyst composition with metal oxide deposited on the exterior surface of the molecular sieve particles. The metal oxide can be |
| 7594953 |
Separating solid particles from gas in a fluid bed reactor |
September 29, 2009 |
| This invention is directed to a process for removing catalyst particles from a gas. The invention is particularly suited to separating particles from the gas in a vessel that has a dilute phase zone and a dense phase zone. An acoustic waveform is applied to the dilute phase zone to assis |
| 7592497 |
Low viscosity polyalphapolefin based on 1-decene and 1-dodecene |
September 22, 2009 |
| The invention relates to a method of making a PAO from mixtures comprising 1-decene and 1-dodecene, characterized by a low viscosity and excellent cold temperature properties, using a promoter system comprising an alcohol. In embodiments, the product has properties similar to those o |
| 7592395 |
Multimodal polyethylene for use in single piece beverage bottle caps and closures |
September 22, 2009 |
| The present invention relates to single piece beverage bottle caps containing and/or made from polyethylene polymers, polymer blends, and/or resins. These polymers/blends/resins have a multimodal molecular weight distribution, sufficient physico-chemical characteristics, and superior |
| 7589246 |
Production of aromatics from methane |
September 15, 2009 |
| In a process for converting methane to aromatic hydrocarbons, a feed containing methane and a particulate catalytic material are supplied to a reaction zone operating under reaction conditions effective to convert at least a portion of the methane to aromatic hydrocarbons and to deposit |
| 7589145 |
Syndiotactic rich polyolefins |
September 15, 2009 |
| Disclosed herein is a polymer comprising an amorphous syndiotactic rich polyolefin comprising greater than about 50 wt % C.sub.3-C.sub.40 alpha olefins and having about 50% to less than about 80% r dyads, based on the total number of r and m dyads present in the polymer; a heat of fusion |
| 7588738 |
Series catalyst beds |
September 15, 2009 |
| The invention relates to series reactor beds containing different oligomerization catalysts and having independent temperature control, and processes for the oligomerization of light olefins to heavier olefins using such series reactor beds. |
| 7588737 |
Process and apparatus for cracking hydrocarbon feedstock containing resid |
September 15, 2009 |
| A process 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, flashing the mixture to form a vapor phase and a liquid phase which collect as bottoms and |
| 7588706 |
Multi-layer films with improved properties |
September 15, 2009 |
| A method of improving hot tack and/or seal strength in a multi-layer film by selecting a first PE comprising at least one of mPE, LDPE or LLDPE to form a first layer and selecting a blend comprising a mPE and a PP to form an outer layer; and coextruding the first PE and the blend to form |
| 7586017 |
Hydrogenation |
September 8, 2009 |
| The use of a controlled amount of water in a hydrogenation stage of the oxo process for the production of alcohols which uses at least two reactors in series improves the efficiency of the hydrogenation reaction and catalyst life as does a reduction in the amount of sulphur, chlorine |
| 7585917 |
Thermoplastic blend compositions |
September 8, 2009 |
| Described herein is a thermoplastic physical blend composition comprising (a) from 20 to 95 wt. % based on the total polymer content of a first polymer component that includes polypropylene having a melting point (Tm).gtoreq.110.degree. C.; and (b) from 80 to 5 wt. % based on the total |
| 7585914 |
Thermoplastic elastomer compositions and methods for making the same |
September 8, 2009 |
| The present invention provides a thermoplastic composition which may be unvulcanized or vulcanized. The thermoplastic composition can be a blend of a thermoplastic engineering resin, a halogenated terpolymer of a C.sub.4 to C.sub.7 isomonoolefin, a para-alkylstyrene, and a multiolefin. |
| 7585823 |
Lubricating fluids with enhanced energy efficiency and durability |
September 8, 2009 |
| The present invention comprises novel lubricating compositions, automotive gear lubricating compositions, and fluids useful in the preparation of finished automotive gear lubricants and finished gear oils, and methods of preparation thereof. One embodiment of the present invention compri |
| 7585571 |
Plasticised polyvinyl chloride |
September 8, 2009 |
| 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 |
| 7582802 |
Propylene hydroformylation |
September 1, 2009 |
| Propylene streams obtained by the conversion of oxygenates to olefins are used as feeds for hydroformylation. The streams may contain measurable amounts of dimethyl ether without adversely impacting the hydroformylation. |
| 7582715 |
Polymers substantially free of long chain branching |
September 1, 2009 |
| The invention relates to new polymerization processes including diluents including hydrofluorocarbons and their use to produce novel polymers substantially free of long chain branching. In particular, the invention relates to copolymers of an isoolefin, preferably isobutylene, and a |
| 7582709 |
Process and apparatus for manufacturing ethylene polymers and copolymers |
September 1, 2009 |
| The invention relates to a process for the manufacture of ethylene polymers and copolymers in which ethylene is compressed in a primary compressor at a throughput of at least 55 tonnes/hour, mixed with recycled ethylene and further compressed in a two-stage reciprocating secondary co |
| 7582226 |
Ester-containing fluid compositions |
September 1, 2009 |
| Herein are fluid compositions and methods of making such compositions, wherein the compositions comprise C.sub.1 to C.sub.4 esters of a mixture of C.sub.3 C.sub.6 branched carboxylic acids and C.sub.3 C.sub.6 linear carboxylic acids. |
| 7582201 |
Controlling tar by quenching cracked effluent from a liquid fed gas cracker |
September 1, 2009 |
| In a system for thermal cracking gaseous feedstocks, the system including a gas cracker for producing an effluent comprising olefins, at least one transfer line exchanger for the recovery of process energy from the effluent and a water quench tower system, a process for extending the |
| 7579512 |
Feed pretreating |
August 25, 2009 |
| This invention provides for a process for hydrocarbon conversion in which a partially dehydrated hydrocarbon feedstock is contacted with at least two different molecular sieve materials, including a first molecular sieve having a Si/Al molar ratio of less than about 5 and a second mo |
| 7579383 |
Fluid bed methanol synthesis |
August 25, 2009 |
| This invention is directed to a process for making a methanol product from a synthesis gas (syngas) feed using a fluid bed reactor. Internal reactor heat transfer is balanced between feed preheat and catalyst bed temperature using appropriate backmixing of feed and catalyst. Backmixing |
| 7575724 |
Continuous slurry polymerization apparatus |
August 18, 2009 |
| A process/apparatus is disclosed for continuously separating a liquid medium comprising diluent and unreacted monomers from a polymerization effluent comprising diluent, unreacted monomers and polymer solids, comprising a continuous discharge of the polymerization effluent from a slu |
| 7572947 |
Oligomerization reaction |
August 11, 2009 |
| The invention is directed to a method of selectively oligomerizing olefin monomers by controlling feedstock composition and reaction conditions. Reaction conditions are chosen to include at least one of: (a) dimer recycle; (b) staged injection of monomer; and (c) utilization of a two |
| 7569739 |
Aromatics alkylation |
August 4, 2009 |
| 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 |
| 7569646 |
Group IVB transition metal compounds |
August 4, 2009 |
| The invention is a Group IVB transition metal compound which may be employed in the polymerization of olefins to produce high molecular weight polymers. |
| 7563413 |
Compressor for high pressure polymerization |
July 21, 2009 |
| The invention provides a compressor for use as a secondary compressor for an ethylene polymerization tubular reactor comprising a motor and at least two compressor frames, at least one of the compressor frames being coupled to the motor by means of a contoured diaphragm flexible coupling |
| 7563358 |
Process for the production of benzene, toluene, and xylenes |
July 21, 2009 |
| A hydrocarbon conversion process for producing an aromatics product containing of benzene, toluene, xylenes, or mixtures thereof. The process is carried out by converting precursors of benzene, toluene, and xylenes that are contained in a hydrocarbon feed (C.sub.6+ non-aromatic cyclic |
| 7563357 |
Process for cracking synthetic crude oil-containing feedstock |
July 21, 2009 |
| A process for steam cracking liquid hydrocarbon feedstocks containing synthetic crude oil comprises i) hydroprocessing a wide boiling range aliquot containing a) normally liquid hydrocarbon portion substantially free of resids and b) thermally cracked hydrocarbon liquid, boiling in a |
| 7560514 |
Thermoplastic elastomer composition having moderate cure state |
July 14, 2009 |
| A thermoplastic elastomer composition comprising a dynamically vulcanized blend of (A) a partially cured halogenated isobutylene elastomer and (B) a polyamide, wherein a tensile modulus at 100% elongation of the halogenated isobutylene elastomer dispersed in the polyamide matrix is l |
| 7560149 |
Bags made from ethylene copolymer films, and films and uses of such copolymers for making such b |
July 14, 2009 |
| The invention relates to bags with a heat seal zone formed by a composition comprising an interpolymer of ethylene and an alpha-olefin having an MI of from 1.5 to 4.5 g/10 min, preferably from 1.7 to 3.5 g/10 min, and especially from 1.8 to 2.5 g/ 10 min, and a density of from 0.88 t |
| 7560020 |
Deasphalting tar using stripping tower |
July 14, 2009 |
| Tar is contacted with stripping agent, such as steam or tail gas, in a stripping tower. A product comprising deasphalted tar is recovered as overheads and a product comprising heavy tar is recovered as bottoms from the stripping tower. |
| 7560019 |
System and method for extending the range of hydrocarbon feeds in gas crackers |
July 14, 2009 |
| In a system for thermal cracking gaseous feedstocks, the system including a gas cracker for producing an effluent comprising olefins, at least one transfer line exchanger for the recovery of process energy from the effluent and a water quench tower system, a process for extending the |
| 7557256 |
Molecular sieve catalyst composition, its making and use in conversion processes |
July 7, 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 |