| Patent Number |
Title Of Patent |
Date Issued |
| 7244871 |
Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks c |
July 17, 2007 |
| A process for decoking of a process that cracks hydrocarbon feedstock containing resid and coke precursors, wherein steam is added to the feedstock to form a mixture which is thereafter separated into a vapor phase and a liquid phase by flashing in a flash/separation vessel, separati |
| 7244787 |
Elastic blends of semicrystalline propylene polymers and high glass transition temperature mater |
July 17, 2007 |
| Compositions are provided having from 70 wt % to 95 wt % of a polymer selected from homopolymers and random copolymers of propylene and from 5 wt % to 30 wt % of a miscible hydrocarbon resin with a glass transition temperature greater than 20.degree. C. The polymer has a heat of fusion |
| 7241930 |
Transalkylation of aromatic fluids |
July 10, 2007 |
| A process for making an ethylated polycyclic aromatic compound in a mixed aromatic fluid, the process comprising contacting the mixed aromatic fluid containing a polycyclic aromatic compound and a monocyclic aromatic compound having an ethyl substituent in the presence of an acid catalys |
| 7241831 |
Elastomeric compositions |
July 10, 2007 |
| The present invention includes compositions suitable for air barriers such as innerliners where adhesion to tire carcass materials (e.g., SBR) and flexibility are desirable, as well as low air permeability. The invention includes a tire innerliner made by combining a filler; a sulfur cur |
| 7241716 |
Protecting catalytic sites of metalloaluminophosphate molecular sieves |
July 10, 2007 |
| 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 |
| 7241713 |
Molecular sieve catalyst composition, its making and use in conversion processes |
July 10, 2007 |
| 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 |
| 7238848 |
Method for separating dimethyl ether from an olefin-containing product stream |
July 3, 2007 |
| A method for processing an olefin-containing product stream that contains dimethyl ether as a by-product is described. Such a product stream arises, for example, in the synthesis of olefin from methanol. For separation of the dimethyl ether from the product stream, it is proposed tha |
| 7238846 |
Conversion process |
July 3, 2007 |
| 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 |
| 7238845 |
Molecular sieve catalyst compositions, their production and use in conversion processes |
July 3, 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 a molecular sieve, such as a silico |
| 7238844 |
Olefin oligomerization |
July 3, 2007 |
| This invention is to a method of oligomerizing an olefin feed stream. The olefin feed stream contains at least one C.sub.2 to C.sub.12 olefin to obtain an olefin feed stream and has less than 1,000 ppm by weight oxygenated hydrocarbon. The olefin is oligomerized by contacting with an |
| 7238747 |
Plasticized polypropylene thermoplastics |
July 3, 2007 |
| The invention is directed to a plasticized polypropylene thermoplastic composition comprising a blend of A) from 50 to 99.9 wt % of a thermoplastic polymer derived from polypropylene, optionally with one or more copolymerizable monomer selected from C.sub.2-C.sub.10 .alpha.-olefin or |
| 7238636 |
High temperature calcination of selectivated molecular sieve catalysts for activity and diffusio |
July 3, 2007 |
| A method is disclosed for modifying a catalytic molecular sieve for shape-selective hydrocarbon conversions comprises: a) selectivating said catalytic molecular sieve by contacting with a silicon-containing selectivating agent; and b) calcining the selectivated catalytic molecular |
| 7235705 |
Process for reducing vapor condensation in flash/separation apparatus overhead during steam crac |
June 26, 2007 |
| 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 |
| 7235618 |
Polypropylene polymers |
June 26, 2007 |
| Embodiments of the present invention include a polypropylene homopolymer synthesized from a metallocene catalyst system and methods of forming the homopolymer, the homopolymer having an aluminum and chlorine recoverables value of less than 25 ppm and a xylene solubles of less than 1 wt % |
| 7235614 |
Methods for injecting catalyst into a polymerization reactor |
June 26, 2007 |
| A polymerization process and a catalyst delivery system are provided. For example, a polymerization process is described, including providing a conduit having a catalyst inlet, a first propylene stream inlet located downstream of the catalyst inlet, and a second propylene stream inlet |
| 7235607 |
Shrink film |
June 26, 2007 |
| Heat-shrinkable monolayer and multilayer films are disclosed. The films are formed of a blend of a polyethylene copolymer having a CDBI of at least 70%, a melt index I.sub.2.16 of from 0.1 to 15 g/10 min., a density of from 0.910 to 0.940 g/cm.sup.3, a melt index ratio I.sub.21.6/I.s |
| 7232936 |
Conversion of oxygenate to olefins with staged injection of oxygenate |
June 19, 2007 |
| A system and process for producing olefins from oxygenate, e.g., methanol or dimethylether, includes a fluidized bed reaction zone that provide contact between the oxygenate and a molecular sieve catalyst such as ZSM-34 or SAPO-34. Improved ethylene selectivity is realized when the o |
| 7232934 |
Hydrogenation of oxo aldehydes to oxo alcohols in the presence of a nickel-molybdenum catalyst |
June 19, 2007 |
| A reduced or partially reduced nickel-molybdenum catalyst prepared by a process having the steps of 1) reacting nickel carbonate and molybdenum oxide precursors to form nickel molybdate and 2) treating the nickel molybdate under reducing conditions to form the reduced or partially re |
| 7232872 |
Polymerization processes |
June 19, 2007 |
| The invention provides for a process to produce polymers utilizing a hydrofluorocarbon diluent. |
| 7232871 |
Propylene ethylene polymers and production process |
June 19, 2007 |
| Ethylene propylene copolymers, substantially free of diene, are described. The copolymers will have a uniform distribution of both tacticity and comonomer between copolymer chains. Further, the copolymers will exhibit a statistically insignificant intramolecular difference of tacticity. |
| 7232868 |
Methods of delivering catalyst systems for propylene polymerization |
June 19, 2007 |
| 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 |
| 7232787 |
Method of synthesizing molecular sieves |
June 19, 2007 |
| The invention is directed to a method of synthesizing a molecular sieve. In particular, the invention is directed to a method for synthesizing a molecular sieve, especially a silicoaluminophosphate molecular sieve, in the presence of a templating agent and a polymeric base. The invention |
| 7230151 |
Two catalyst process for making olefin |
June 12, 2007 |
| This invention is to a process of making olefin, particularly ethylene and propylene, from an oxygenate feed. The invention uses two or more zeolite catalysts. Examples of zeolite catalysts include a first catalyst containing of ZSM-5, and a second catalyst containing a 10-ring molecular |
| 7227048 |
Converting oxygenates to olefins over a catalyst comprising acidic molecular sieve of controlled |
June 5, 2007 |
| The present invention provides a process for making an olefin product from an oxygenate-containing feedstock comprising:a) contacting the feedstock in a reaction zone with catalyst particles comprising a molecular sieve containing acid sites and having an average coke loading of 1 to 10 |
| 7227047 |
Butadiene and isobutylene removal from olefinic streams |
June 5, 2007 |
| A process is disclosed for selectively removing isobutene and butadiene from a stream, the process comprising contacting the stream with a hydrogenation catalyst to hydrogenate butadiene and an oligomerization catalyst to oligomerize isobutene. |
| 7226962 |
Halogenated isobutylene-based copolymers having enhanced viscosity and thermoplastic composition |
June 5, 2007 |
| The invention provides a method for increasing the viscosity of halogenated (brominated) elastomeric copolymers of a C.sub.4 to C.sub.7 isomonoolefin (isobutylene) and a para-alkylstryrene (p-methylstyrene) by mixing the copolymer with a silica or clay particulate filler which has be |
| 7223896 |
Fines co-feed for maintaining efficient reactor hydrodynamics |
May 29, 2007 |
| This invention provides processes for maintaining a desired particle size distribution in an oxygenate to olefin reaction system. In one embodiment, the invention comprises replacing lost catalyst fines with less active co-catalyst particles. By adding less active co-catalyst particl |
| 7223828 |
Branched diene-modified crystalline polypropylene terpolymers |
May 29, 2007 |
| Certain specific embodiments of the invention will now be discussed. For example, a process of preparing a polymer composition that includes a branched crystalline diene-modified polypropylene random terpolymer is described, which process includes: contacting a metallocene catalyst c |
| 7223823 |
Catalyst system and process |
May 29, 2007 |
| This invention relates to a process of polymerizing ethylene in a reactor comprising contacting a catalyst system comprising a supported chromium catalyst and an aluminum alkyl cocatalyst, where the catalyst and cocatalyst are contacted by cofeeding the catalyst and cocatalyst to the |
| 7223822 |
Multiple catalyst and reactor system for olefin polymerization and polymers produced therefrom |
May 29, 2007 |
| Disclosed is a process for producing branched polymers including at least 50 mol % C.sub.3 C.sub.40 olefins. The process may include: (1) feeding a first catalyst, an activator, and one or more C.sub.2 C.sub.40 olefins into a first reaction zone at a temperature of greater than 70.degree |
| 7223714 |
Method of transferring catalyst in a reaction system |
May 29, 2007 |
| The invention is directed to methods of transfering catalyst particles into and within reaction systems. The reaction systems are those that use catalysts that comprise molecular sieves, particularly metalloaluminophosphate molecular sieves, especially metalloaluminophosphate molecul |
| 7220887 |
Process and apparatus for cracking hydrocarbon feedstock containing resid |
May 22, 2007 |
| 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 |
| 7220801 |
Metallocene-produced very low density polyethylenes or linear low density polyethylenes as impac |
May 22, 2007 |
| In one embodiment, the present invention is directed to an article, such as a blow-molded bottle, formed from a polymer blend composition. In one aspect, the article is formed by blow-molding techniques. In one aspect, the article is a blow-molded container having a Bruceton Mean Drop He |
| 7220701 |
Catalyst and process for selective hydrogenation |
May 22, 2007 |
| A selective hydrogenation catalyst composition comprises a rhodium component present in an amount such that the catalyst composition comprises less than 3.0% of rhodium by weight of the total catalyst composition; and an indium component present in an amount such that the catalyst co |
| 7220700 |
Catalyst and process for selective hydrogenation |
May 22, 2007 |
| 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 |
| 7220695 |
Supported activator |
May 22, 2007 |
| This invention relates to supported activators comprising the product of the combination of an ion-exchange layered silicate, an organoaluminum compound, and a heterocyclic compound, which may be substituted or unsubstituted. This invention further relates to catalyst systems compris |
| 7220341 |
Controlling solids flow in a gas-solids reactor |
May 22, 2007 |
| This invention is to a process and system for controlling solids distribution in a gas-solids reactor. Solids distribution is controlled by controlling electrical charges between solid particles flowing between conductive surfaces within a gas-solids reactor. The electrical charges a |
| 7217766 |
Hetero phase polymer compositions |
May 15, 2007 |
| Hetero phase polymer compositions are described. The compositions may have polypropylene component, a modifier component and a compatibilizer component. The modifier component may in some embodiments be an ethylene .alpha.-olefin copolymer with a density .gtoreq.0.905 g/cm.sup.3. In |
| 7217676 |
Hydrophobization and silica for supported catalyst |
May 15, 2007 |
| This invention relates to a catalyst support comprising the result of the combination of: (a) a support comprising hydroxyl groups; (b) a capping agent comprising a boron containing Lewis acid; and (c) an ionic activator, wherein at least some of the capping agent does not form a sup |
| 7217675 |
Catalyst composition |
May 15, 2007 |
| This invention relates to transition metal catalyst compounds represented by the formula: LMX.sub.2 wherein M is a Group 7 to 11 metal; L is a tridentate or tetradentate neutrally charged ligand that is bonded to M by least three or four nitrogen atoms, and at least one terminal nitrogen |
| 7214846 |
Recovery of ethylene and propylene from a methanol to olefin reaction system |
May 8, 2007 |
| The present invention provides new highly-efficient separation processes and systems for separating polymerization-grade ethylene and propylene from an initial effluent stream comprising ethane, ethylene, propylene, dimethyl ether, and one or more of propane, acetylene, methyl acetylene, |
| 7214844 |
Molecular sieve catalyst compositions, its making and use in conversion processes |
May 8, 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 a making a molecular sieve catalyst comp |
| 7214843 |
Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins |
May 8, 2007 |
| This invention is directed to removing contaminants from an oxygenate-containing feedstream for an oxygenate to olefin reaction system. Oxygenate feeds used in the conversion of oxygenates to olefins, and which contain contaminants, are heated to form a vapor stream and a liquid stre |
| 7214840 |
Reduction of the Bromine Index of linear alkylbenzenes |
May 8, 2007 |
| In a process for reducing the Bromine Index of a feed containing a linear alkylbenzene and bromine-reactive olefinic hydrocarbon contaminants, the feed is contacted under conditions effective to remove bromine-reactive olefinic hydrocarbon contaminants with a catalyst comprising zeolite |
| 7214750 |
Polymerization processes |
May 8, 2007 |
| The invention relates to new processes to produce polymers utilizing bayonette cooled slurry reactor systems and diluents including hydrofluorocarbons. |
| 7214747 |
Phosphorus substituted metallocene compounds for olefin polymerization |
May 8, 2007 |
| This invention relates to a metallocene compounds represented by formula: ##STR00001## wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is an indenyl ligand that is substituted with a PR.sub.2 group in the two position of the |
| 7214746 |
Phosphorus bridged metallocene compounds for olefin polymerization |
May 8, 2007 |
| This invention relates to metallocene compounds represented by formula: ##STR00001## wherein M is a group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom; E is a substituted or unsubstituted indenyl ligand that is bonded to Y through the two positi |
| 7214636 |
Catalyst regenerator for reducing entrained catalyst loss |
May 8, 2007 |
| The present invention is directed to a swaged catalyst regenerator and processes for using the catalyst regenerator. In one embodiment, the swaged catalyst regenerator includes a regeneration zone having a first major diameter and into which a regeneration medium and an at least part |
| 7210339 |
Adhesive compositions and method for selection thereof |
May 1, 2007 |
| Adhesive compositions and a method for selecting adhesive compositions are disclosed herein. Preferred adhesives generally have small domains and/or a homogeneous domain distribution. The method of selecting adhesives is based on size and distribution of the domains. |
| 7208650 |
Recovery of ethylene and propylene from a methanol to olefin reaction system |
April 24, 2007 |
| The present invention provides new highly-efficient separation processes and systems for separating polymerization-grade ethylene and propylene from an initial effluent stream comprising ethane, ethylene, propylene, dimethyl ether, and one or more of propane, acetylene, methyl acetylene, |
