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ExxonMobil Chemical Patents Inc. Patents
Assignee:
ExxonMobil Chemical Patents Inc.
Address:
Houston, TX
No. of patents:
1064
Patents:


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Patent Number Title Of Patent Date Issued
7034196 Method and apparatus for reducing decomposition byproducts in a methanol to olefin reactor syste April 25, 2006
Disclosed is a method and apparatus for reducing the amount of metal catalyzed side-reaction byproducts formed in the feed vaporization and introduction system of a methanol to olefin reactor system by monitoring and/or maintaining the temperature of at least a portion of the feed va
7034090 Continuous slurry polymerization volatile removal April 25, 2006
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
7034078 Blends made from propylene ethylene polymers April 25, 2006
Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer between copolymer
7033971 Method for using stabilizing catalyst activity during MTO unit operation April 25, 2006
A method for maintaining the activity of silicoaluminophosphate (SAPO) molecular sieve catalyst particles during oxygenate to olefin conversion reactions. After regeneration of SAPO catalyst particles, the regenerated particles are mixed with particles having coke on their surface in a
7030284 Method and reactor system for converting oxygenate contaminants in an MTO reactor system product April 18, 2006
Disclosed is a method and reactor system for converting oxygenate and/or olefin contaminants in a methanol to olefin reactor system product effluent to hydrocarbons, including paraffin compounds, preferably over a sulphided catalyst of the type Nickel or Cobalt combined with Molybdenum
7026405 Blends made from propylene ethylene polymers April 11, 2006
Polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer between copolymer
7026404 Articles made from blends made from propylene ethylene polymers April 11, 2006
Articles made from polymer blend compositions of a first polymer component comprising an ethylene propylene copolymer and a second polymer component comprising an isotactic polypropylene copolymer. The first polymer component has a uniform distribution of both tacticity and comonomer
7026403 Thermoplastic filled membranes of propylene copolymers April 11, 2006
The invention relates to a thermoplastic membrane (e.g. film, fluid barrier, and the like) which is formed from a blend of: a) a first polymer component (FPC), wherein said FPC comprises a propylene-ethylene copolymer containing from 80 to 93 percent by weight of units derived from p
7026267 Molecular sieve catalyst composition, its production and use in conversion processes April 11, 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 a catalyst composition comprising a mole
7026264 Hydrocarbon conversion process and catalyst useful therein April 11, 2006
There is provided a process for converting hydrocarbons using a catalyst comprising macrostructures having a three-dimensional network of particles comprised of porous inorganic material. The particles of the macrostructures occupy less than 75% of the total volume of the macrostruct
7026040 Oriented films from improved propylene polymers April 11, 2006
This invention relates generally to films made from crystalline polypropylene polymers. Specifically, this invention relates to films comprising crystalline polypropylene polymer compositions containing both propylene homopolymers and propylene copolymers. The compositions are prepar
7025587 Burner with high capacity venturi April 11, 2006
An improved burner and a method for combusting fuel in burners used in furnaces, such as those used in steam cracking, are disclosed. The burner includes a burner tube having an upstream end, a downstream end and a venturi intermediate said upstream and downstream ends, the venturi i
7022770 Polyethylene compositions for injection molding April 4, 2006
Polyethylene blend compositions suitable for injection molding, injection molded articles, and processes for injection molding articles are provided. The polyethylene compositions include a first polyethylene having a melt index of 0.1 to 3.0 g/10 min and a density of from 0.905 to 0
7019185 Aromatic alkylation process March 28, 2006
In a method for producing monoalkylated aromatic compounds, an aromatic feed is contacted with an alkylating agent in the presence of a catalyst comprising a molecular sieve having an X-ray diffraction pattern including d-spacing maxima at 12.4.+-.0.25, 6.9.+-.0.15, 3.57.+-.0.07, and
7019081 Thermoplastic polymer blends of isotactic polypropylene and alpha-olefin/propylene copolymers March 28, 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
7019058 Halogenated elastomeric compositions having enhanced viscosity March 28, 2006
The invention provides a method for increasing the viscosity of C.sub.4 C.sub.7 isoolefin copolymers including halomethylstyrene derived units by mixing the copolymer with a hindered amine or phosphine of the structure R.sub.1 R.sub.2 R.sub.3 N or R.sub.1 R.sub.2 R.sub.3 P wherein R.sub.
7015283 Compositions of polypropylene and polyamide March 21, 2006
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
7015174 Maintaining molecular sieve catalytic activity under water vapor conditions March 21, 2006
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
7011810 Crystalline molecular sieves March 14, 2006
MFS structure type zeolite manufacture is facilitated by using a second organic molecule in addition to the usual hexaethylpentane diammonium salt.
7009086 Use of molecular sieves for the conversion of oxygenates to olefins March 7, 2006
This invention relates to a process for converting an oxygenate feedstock to light olefins using a crystalline metalloaluminophosphate molecular sieve having a high metal content and a small particle size. It also relates to crystalline metalloaluminophosphate molecular sieves with high
7008610 AEI-Type zeolite, its synthesis and its use in the conversion of oxygenates to olefins March 7, 2006
A crystalline material is described that has an AEI framework type, wherein the material, in its calcined, anhydrous form, has a composition involving the molar relationship: (n)X.sub.2O.sub.3:YO.sub.2, wherein X is a trivalent element, Y is a tetravalent element n is from 0 to less
7007701 Processor for removing contaminants from a compressor in a methanol to olefin separation system March 7, 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
7005555 Process for separating and recycling oxygenate(s) to an oxygenate-to-olefin reactor February 28, 2006
The present invention is a process for producing olefin(s) from oxygenate(s). The process removes oxygenate(s) including carbon dioxide in the bottoms of the quench stream and recycles the oxygenate(s) back to the reactor. Carbon dioxide is removed from the quench bottoms before retu
7005537 Production of esters February 28, 2006
Disclosed is a process for the production of esters. In particular, the process includes contacting an olefin or an ether with carbon monoxide and an acid composition comprising BF.sub.3.2CH.sub.3OH to from a product composition, adding an alcohol to the product composition, and separati
7005491 Propylene diene copolymerized polymers February 28, 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
6995295 Alkylaromatics production February 7, 2006
A process is described for producing an alkylaromatic compound by reacting an alkylatable aromatic compound with a feed comprising an alkene and an alkane in a multistage reaction system comprising at least first and second series-connected alkylation reaction zones each containing an
6995111 Molecular sieve compositions, catalysts thereof, their making and use in conversion processes February 7, 2006
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
6994799 Ester-containing fluid compositions February 7, 2006
Disclosed are ester-containing fluid compositions, methods of making such compositions, and methods of using such compositions. The fluid compositions comprise a mix of branched and linear ester compounds, and the fluid compositions are characterized by certain performance limitation
6992160 Polymerization processes for alpha-olefin/propylene copolymers January 31, 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
6992159 Alpha-olefin/propylene copolymers and their use January 31, 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
6992158 Alpha-olefin/propylene copolymers and their use January 31, 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
6992131 Adhesives January 31, 2006
This invention relates to an adhesive including (a) a copolymer including butene, at least 40 mol % propylene, and from 0 to 30 mol % of a termonomer selected from ethylene and C.sub.5 to C.sub.20 linear, branched or cyclic alpha olefins, wherein the copolymer has (i) a weight averag
6989470 Use of modified metalloaluminophosphate molecular sieves in catalytic processes January 24, 2006
The invention is directed to a method for modifying a microporous metalloaluminophosphate molecular sieve, the method comprising the steps of a) introducing a metal hydride compound within the cages of said microporous molecular sieve, and b) reacting said metal hydride compound with
6989423 Oxygen tailoring of polyethylene film resins January 24, 2006
Processes are disclosed for oxygen-tailoring polyethylene resin. Polyethylene resin is conveyed through a feed zone, a melt-mixing zone and a melt zone. The resin is contacted with oxygen in an amount of at least 40 parts by weight O.sub.2 per million parts by weight resin, and conta
6989046 Method for removing polymer from an acid gas treating system January 24, 2006
A method for removing polymer from an acid gas treating system comprising contacting an acid gas containing stream with an aqueous alkanolamine solution and hydrocarbon solvent to form a mixture of an alkanolamine rich solution having the acid gases or byproducts thereof contained th
6987208 Process for removing oxygenates from an olefinic stream January 17, 2006
The present invention provides a process for removing oxygenate impurities, e.g., dimethyl ether, from an olefinic product stream by converting the oxygenate impurity to a compound whose boiling point differs by at least about 5.degree. C. from the oxygenate impurity. Typically, the
6986658 Burner employing steam injection January 17, 2006
Method and apparatus for use in burners of furnaces such as those used in steam cracking. The apparatus includes a burner tube having a downstream end and an upstream end for receiving fuel and air, flue gas or mixtures thereof. A burner tip is mounted on the downstream end of the burner
6984765 Separation of methanol, ethanol and/or dimethyl ether from hydrocarbon mixtures January 10, 2006
The present invention is a separation process for producing a methanol, ethanol and/or dimethyl ether stream from a first stream containing C.sub.3+ hydrocarbons. The first stream comprises C.sub.3+ hydrocarbons, methanol, ethanol and/or dimethyl ether. The process comprises the step
6984761 Co-production of phenol, acetone, .alpha.-methylstyrene and propylene oxide, and catalyst theref January 10, 2006
A process is disclosed for producing .alpha.-methylstyrene, acetone, and phenol wherein the amount of .alpha.-methylstyrene produced may be controlled by selectively converting a portion of the cumene hydroperoxide to dimethyl phenyl carbinol, the hydrated form of .alpha.-methylstyre
6984722 Cationic group 3 catalyst system January 10, 2006
A cationic Group 3 or Lanthanide metal complex for coordination polymerization of olefins is disclosed. The precursor metal complex is stabilized by a monoanionic bidentate ancillary ligand and two monoanionic ligands. The ancillary ligand and the transition metal form a metallocycle
6984696 Elastic blends of semicrystalline propylene polymers and high glass transition temperature mater January 10, 2006
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
6982310 Alpha-olefin/propylene copolymers and their use January 3, 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
6982295 Plasticizers from less branched alcohols January 3, 2006
Less branched C.sub.13 alcohols are used to provide plasticizer esters particularly suitable for high temperature applications such as wire and cable insulation.
6979756 Heat treating a molecular sieve and catalyst December 27, 2005
Disclosed is a method of heat treating a molecular sieve. The method comprises providing a template-containing molecular sieve, heating the molecular sieve under conditions effective to remove a portion of the template from the molecular sieve, and cooling the heated molecular sieve
6977320 Zeolite catalyst and use for hydrocarbon conversion December 20, 2005
There is provided a zeolite bound zeolite catalyst which can be tailored to optimize its performance and a process for converting hydrocarbons utilizing the zeolite bound zeolite catalyst. The zeolite bound zeolite catalyst comprises a first zeolite and a binder comprising a second z
6977287 Propylene diene copolymers December 20, 2005
The co-polymerization reaction of one or more olefin monomers, such as propylene, with .alpha.,.omega.-diene units and the resulting copolymers are provided. More specifically, the copolymer may have from 90 to 99.999 weight percent of olefins and from 0.001 to 2.000 weight percent of
6977283 Polymerization process December 20, 2005
The present invention relates to a process for polymerizing monomer and comonomer(s) utilizing a bulky ligand transition metal metallocene-type catalyst or catalyst system, where the process is operated in the absence of or with a low amount of any of the isomers of the comonomer(s). The
6974889 Processes for manufacture of molecular sieves December 13, 2005
Colloidal crystalline molecular sieve seeds are used in phosphorus-containing crystalline molecular sieve manufacture. Certain of the products have enhanced utility in oxygenate conversions.
6969741 Polyethylene compositions for rotational molding November 29, 2005
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 ;
6969736 Plasticizers from less branched nonyl alcohols November 29, 2005
Less branched C.sub.9 alcohols are used to provide plasticizer esters particularly suitable for high temperature applications such as wire and cable insulation.
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