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ExxonMobil Chemical Patents Inc. Patents
Assignee:
ExxonMobil Chemical Patents Inc.
Address:
Houston, TX
No. of patents:
1044
Patents:




Patent Number Title Of Patent Date Issued
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
7557171 Halogen substituted metallocene compounds for olefin polymerization July 7, 2009
A metallocene compound comprising a transition metal, a first substituted or unsubstituted indenyl or fluorenyl ligand pi--bonded to the transition metal, a second monoanionic ligand bonded to the transition metal, and a divalent bridging group bonded to the indenyl ligand and said secon
7557170 Method for reducing depositions in polymerization vessels July 7, 2009
The method of polymerization includes the steps of a) providing a catalyst system, b) providing at least one monomer or comonomer mixture in a reaction vessel, c) introducing the catalyst into the reaction vessel, and d) polymerizing the at least one monomer or comonomer mixture to p
7553791 Heavy aromatics conversion catalyst composition and processes therefor and therewith June 30, 2009
A catalyst composition, a process for producing the composition and a process for the conversion of a feedstock containing C.sub.9+ aromatic hydrocarbons to produce a resulting product containing lighter aromatic products and less than about 0.5 wt % of ethylbenzene based on the weight
7553460 Process and apparatus for cracking hydrocarbon feedstock containing resid to improve vapor yield June 30, 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
7550640 High viscosity PAOs based on 1-decene/1-dodecene June 23, 2009
This invention relates to the use of 1-decene/1-dodecene olefin mixture to produce high viscosity polyalphaolefins (PAOs) having a viscosity of from about 40 cSt to about 100 cSt at 100.degree. C. (ASTM D-445) and a number average molecular weight of between about 1200 to about 4000,
7550637 Catalyst and process for selective hydrogenation June 23, 2009
A selective hydrogenation catalyst composition comprises at least two different metal components selected from Groups 8 to 10 of the Periodic Table of Elements, one of which may be rhodium, and at least one metal component selected from Group 13 of the Periodic Table of Elements, such
7550544 Halogen substituted metallocene compounds for olefin polymerization June 23, 2009
A metallocene compound is represented by the formula (1): ##STR00001## wherein: M is a Group 3, 4, 5 or 6 transition metal atom, or a lanthanide metal atom, or actinide metal atom, preferably a Group 4 transition metal atom selected from titanium, zirconium or hafnium; E is a substituted
7550528 Functionalized olefin polymers June 23, 2009
This invention relates to a composition comprising a functionalized C3 to C40 olefin polymer comprising at least 50 mol % of one or more C3 to C40 olefins, and where the olefin polymer, prior to functionalization, has: a) a Dot T-Peel of 1 Newton or more on Kraft paper; b) an Mw of 10,00
7550400 Multiple layer nonwoven fabric structures June 23, 2009
Multiple layer structures incorporating at least one polymeric film layer and at least one nonwoven fabric layer and products produced from such structures are provided. The polymeric film layer includes at least one tackifier resin. The at least one tackifier resin may be selected from

 
 
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