| Patent Number |
Title Of Patent |
Date Issued |
| 7199277 |
Pretreating a catalyst containing molecular sieve and active metal oxide |
April 3, 2007 |
| This invention relates to processes for converting oxygenates to olefins that include a step of pretreating catalyst, which comprises molecular sieve and one or more active metal oxides of one or more metals, with a hydrocarbon composition to provide an integrated hydrocarbon co-catalyst |
| 7199276 |
Controlling the ratio of ethylene to propylene produced in an oxygenate to olefin conversion pro |
April 3, 2007 |
| The present invention provides various processes for producing methanol and ethanol, preferably in a mixed alcohol stream. In one embodiment, the invention includes directing syngas to a synthesis zone wherein the syngas contacts a methanol synthesis catalyst and an ethanol synthesis |
| 7199275 |
Feed pretreating |
April 3, 2007 |
| 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 |
| 7199273 |
Selective hydrogenation of alkynes and/or diolefins |
April 3, 2007 |
| A process for selectively removing alkynes and/or diolefins from a feedstock also containing olefins comprises contacting the feedstock with hydrogen in the presence of a catalyst composition. The catalyst composition comprises at least one metal component selected from Groups 8 to 1 |
| 7199195 |
Polyethylene resins |
April 3, 2007 |
| The invention provides ethylene/.alpha.-olefin copolymers exhibiting improved environmental stress cracking resistance properties, and methods for the production of the copolymers in a single reactor by means of a bimetallic catalyst including a Ziegler component and a metallocene co |
| 7199189 |
Compositions suitable for elastomeric membranes |
April 3, 2007 |
| This invention relates generally to polymers suitable for making elastomeric films, membranes or sheets. More specifically, this invention is directed to polymers of the ethylene, alpha-olefin, diene terpolymer type that are reactor blends of two components, an amorphous major compon |
| 7196239 |
Methanol and ethanol production for an oxygenate to olefin reaction system |
March 27, 2007 |
| The present invention provides various processes for producing light olefins from methanol and ethanol, optionally in a mixed alcohol stream. In one embodiment, the invention includes directing a first syngas stream to a methanol synthesis zone to form methanol and directing a second |
| 7196148 |
Cationic catalyst system |
March 27, 2007 |
| A 3+ metal complex for coordination polymerization of olefins is disclosed. The precursor metal complex is stabilized by a anionic multidentate ligand and at least two monoanionic ligands. The multidentate ligand and the transition metal form a metallocycle having at least five prima |
| 7195746 |
Interior surface modifications of molecular sieves with organometallic reagents and the use ther |
March 27, 2007 |
| A method for making an organometallic treated molecular sieve is described in which a molecular sieve having at least one hydroxyl group and at least [AlO.sub.2] and [PO.sub.2] tetrahedral units and having an average pore dimension less than or equal to about 5 .ANG. is contacted with a |
| 7195741 |
Multiple riser reactor |
March 27, 2007 |
| The present invention is directed to a hydrocarbon conversion apparatus. The apparatus comprises the following: a plurality of riser reactors, each of the riser reactors having a first end into which a catalyst can be fed and a second end through which the catalyst can exit the riser |
| 7193123 |
Process and apparatus for cracking hydrocarbon feedstock containing resid to improve vapor yield |
March 20, 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 |
| 7193122 |
Stabilization of acid catalysts |
March 20, 2007 |
| The invention is directed to a method of stabilizing metalloaluminophosphate molecular sieves and catalysts derived therefrom. In particular, the invention is directed to a method of treating such molecular sieves with chemisorbed ammonia, which may be easily desorbed before or durin |
| 7192987 |
Processes for making methanol streams and uses for the streams |
March 20, 2007 |
| This invention is directed to processes (i.e., methods) for making methanol compositions, and to processes (i.e., methods) of using the methanol compositions. The methanol compositions contain ethanol and are particularly suitable for contacting with an olefin forming catalyst to for |
| 7192902 |
Polymerization process with mixed catalyst compositions |
March 20, 2007 |
| The application describes a mixed olefin polymerization catalyst composition comprising a support, a reaction product of at least one first organometallic compound and a first activator capable of rendering the first organometallic compound active for insertion polymerization, and at |
| 7192901 |
Method of preparing a treated support |
March 20, 2007 |
| This invention relates to a method of preparing a supported catalyst comprising the steps of contacting a solid titanium or solid aluminum compound with a supported catalyst compound, and heating the combination to at least 150.degree. C. |
| 7189887 |
Process for removing naphthalene from alkylaromatics |
March 13, 2007 |
| A process for the reduction of naphthalene in process streams containing alkylaromatic solvents. Naphthalene is contacted with alkylbenzenes in a distillation column reactor in the presence of transalkylation catalyst to produce alkylnaphthalenes which are concurrently separated by f |
| 7189791 |
Catalyst composition II |
March 13, 2007 |
| This invention relates to a transition metal catalyst compound represented by the formula: LMX.sub.2 or (LMX.sub.2).sub.2 wherein each M is independently a Group 7 to 11 metal, preferably a Group 7, 8, 9, or 10 metal; each L is, independently, a tridentate or tetradentate neutrally c |
| 7186875 |
Conversion of oxygenates to olefins |
March 6, 2007 |
| A process is described for converting an oxygenate-containing feedstock into one or more olefins in a reactor system including a plurality of fixed bed reactors each containing a catalyst composition comprising a molecular sieve and at least one metal oxide having an uptake of carbon |
| 7186874 |
Process for the oligomerization of olefins |
March 6, 2007 |
| Sulphur-containing olefinic feedstocks are oligomerized over zeolite catalysts. |
| 7186873 |
Manufacture of xylenes by reactive distillation of reformate |
March 6, 2007 |
| A process is provided for the production of xylenes from reformate by reactive distillation. The process is carried out by methylating the benzene/toluene present in the reformate in a reactive distillation zone and under reactive distillation conditions to produce a resulting product |
| 7183450 |
Olefin oligomerization |
February 27, 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 from about 1,000 ppm to about 10 percent by weight oxygenated hydrocarbon. The olefin is oligomerized by |
| 7183328 |
Methanol manufacture using pressure swing reforming |
February 27, 2007 |
| A process for producing methanol is described in which a hydrocarbon is steam reformed in a reforming zone, and during the reforming stage, of a cyclic steam reformer having a reforming stage and a regeneration stage, the steam reforming being conducted under conditions effective to prod |
| 7183234 |
Multi-donor catalyst system for the polymerization of olefins |
February 27, 2007 |
| The present invention provides catalyst systems including a Ziegler-Natta or Ziegler-Natta-type catalyst in combination with a mixture of certain electron donors. |
| 7183005 |
Impact strength improvement of regrind |
February 27, 2007 |
| Regrind is mixed with at least one low density metallocene polyethylene to increase the amount of regrind that can be used in a thermoformed article. |
| 7179367 |
Process for producing reformate having increased xylenes content and reduced ethylbenzene conten |
February 20, 2007 |
| A process for reforming wherein ethylbenzene formed during the reforming is converted to xylenes. The process is carried out by reforming a feed containing precursors of ethylbenzene with a reforming catalyst under conditions effective to reform said feed; wherein the reforming catalyst |
| 7176339 |
Manufacture of xylenes using reformate |
February 13, 2007 |
| A process is provided for the production of xylenes from reformate. The process is carried out by methylating under conditions effective for the methylation, the benzene/toluene present in the reformate outside the reforming loop, to produce a resulting product having a higher xylenes |
| 7176158 |
Polymerization catalyst composition |
February 13, 2007 |
| Copolymerization of Ni(H) or Co(II) acenaphthene diimine complexes containing olefinic substituents on aryl groups in the presence of a free radical initiator results in polymerized late transition metal catalysts which can be used for olefin polymerization or oligomerization. These |
| 7173158 |
Mixed metal oxide containing sulfur |
February 6, 2007 |
| The invention relates to a composition of matter comprising at least one metal from Group 3, at least one metal from Group 4, sulfur and oxygen, particularly useful as a catalyst for ether decomposition to alkanols and alkenes. |
| 7166757 |
Conversion of oxygenates to olefins |
January 23, 2007 |
| A process is described for converting an oxygenate-containing feedstock into one or more olefins in which the feedstock is contacted in a reaction zone with a fluidized bed of a particulate catalyst composition comprising a molecular sieve and at least one metal oxide having an uptak |
| 7166674 |
Elastic blends comprising crystalline polymer and crystallizable polymers of propylene |
January 23, 2007 |
| 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 |
| 7163993 |
Electrical devices from polymer resins prepared with ionic catalysts |
January 16, 2007 |
| This invention relates to olefin polymers particularly suited to satisfying the dielectric properties required in electrical device use. The olefin polymers can be prepared by contacting polymerizable olefin monomers with catalyst complexes of Group 3 11 metal cations and noncoordina |
| 7163907 |
Aluminum-free monocyclopentadienyl metallocene catalysts for olefin polymerization |
January 16, 2007 |
| This invention relates to a catalyst system for the production of polyolefins comprising:(A) a Group IV B transition metal component represented by one of the two general formulae ##STR00001## wherein(C.sub.5H.sub.5-y-xR.sub.x) is a cylopentadienyl ring(JR'.sub.z-l-y) is a heteroatom |
| 7161051 |
Integration of a methanol synthesis system with a methanol to olefin reaction system |
January 9, 2007 |
| Disclosed is a process for producing light olefins in an integrated methanol synthesis/MTO reaction system. The integrated system implements a shared separation system for separating oxygenate components from the respective methanol synthesis system and MTO reaction system. By provid |
| 7161018 |
Soluble late transition metal catalysts for olefin oligomerizations II |
January 9, 2007 |
| A series of soluble .alpha.-diimine late transition metal catalysts has been invented. The catalysts demonstrate high activity and selectivity for linear .alpha.-olefins. As such, these catalysts conveniently oligomerize ethylene. Typical activators as known to those of ordinary skil |
| 7160834 |
Soluble group-10 .alpha.-diimine catalyst precursors, catalysts and methods for dimerizing and o |
January 9, 2007 |
| This invention relates to late transition metal catalyst precursors and catalysts for olefin dimerizations and oligomerizations, and to methods for making and using these catalysts. |
| 7160831 |
Molecular sieve catalyst composition, its making and use in conversion processes |
January 9, 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 |
| 7157522 |
Alpha-olefin/propylene copolymers and their use |
January 2, 2007 |
| 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 |
| 7153807 |
Catalysts for selective hydrogenation of alkynes and alkadienes |
December 26, 2006 |
| Catalysts have been discovered that are useful in hydrogenation reactions, and particularly for the selective hydrogenation of acetylene and/or methyl acetylene (MA) and/or propadiene (PD) in light olefin-rich feedstreams. These catalysts can selectively hydrogenate acetylene with le |
| 7153571 |
Silane crosslinkable polyethylene |
December 26, 2006 |
| Crosslinkable or crosslinked polymer compositions are provided, the compositions including a copolymer of ethylene and C.sub.3 to C.sub.12 alpha-olefin comonomer, the 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 |
| 7151199 |
Hydrocarbon conversion processes using non-zeolitic molecular sieve catalysts |
December 19, 2006 |
| Hydrocarbon or oxygenate conversion process in which a feedstock is contacted with a non zeolitic molecular sieve which has been treated to remove most, if not all, of the halogen contained in the catalyst. The halogen may be removed by one of several methods. One method includes hea |
| 7151198 |
Integration of a methanol synthesis system with a methanol to olefin reaction system |
December 19, 2006 |
| Disclosed is a process for producing light olefins in an integrated methanol synthesis/MTO reaction system. The integrated system implements a shared separation system for separating oxygenate components from the respective methanol synthesis system and MTO reaction system. By provid |
| 7151073 |
Mesoporous catalyst support, a catalyst system, and method of making and using same for olefin p |
December 19, 2006 |
| This invention relates to a catalyst system comprising a catalyst and a support comprising a non-layered inorganic porous crystalline phase material, wherein the support comprises a hexagonal arrangement of uniformly-sized pores having an average pore diameter greater than or equal t |
| 7148391 |
Heavy aromatics processing |
December 12, 2006 |
| In a process for converting C.sub.9+ aromatic hydrocarbons to lighter aromatic products a feed comprising C.sub.9+ aromatic hydrocarbons is contacted under transalkylation reaction conditions with a catalyst composition comprising (i) a first molecular sieve selected from the group c |
| 7148388 |
Process for preparing and olefinic hydrocarbon mixture |
December 12, 2006 |
| In a process for preparing an olefinic hydrocarbon mixture comprising at least 5% by weight of mono-olefin oligomers of the empirical formula: C.sub.nH.sub.2n where n is greater than or equal to 6, a feedstock comprising n-butene and propylene in a molar ratio of about 1:0.01 to abo |
| 7148261 |
Methanol manufacture using pressure swing reforming |
December 12, 2006 |
| A process for producing methanol is described in which a hydrocarbon is steam reformed in a reforming zone, and during the reforming stage, of a cyclic steam reformer having a reforming stage and a regeneration stage, the steam reforming being conducted under conditions effective to prod |
| 7148172 |
High silica chabazite, its synthesis and its use in the conversion of oxygenates to olefins |
December 12, 2006 |
| A porous crystalline material is described having the chabazite framework type and having a composition involving the molar relationship: X.sub.2O.sub.3:(n)YO.sub.2, wherein X is a trivalent element, such as aluminum, boron, iron, indium, and/or gallium; Y is a tetravalent element su |
| 7148171 |
Method for adding heat to a reactor system used to convert oxygenates to olefins |
December 12, 2006 |
| The present invention provides a method for adding heat to a reactor system used to convert oxygenates to olefin, in which supplemental heat is added with a heating fuel, e.g., a torch oil, having low autoignition temperature, low sulfur, and low nitrogen content. |
| 7145051 |
Combined oxydehydrogenation and cracking catalyst for production of olefins |
December 5, 2006 |
| A catalyst is provided comprising (1) at least one solid acid component, and (2) at least one metal-based component comprised of one or more element from Groups 1 3, one or more element from Groups 4 15 and one or more element from Groups 16 and 17 of the Periodic Table of the Elements. |
| 7145049 |
Oligomerization process |
December 5, 2006 |
| Alkenes, such as normal butenes in a mixed C.sub.4 stream are oligomerized, preferably to dimers, which are dimerized in a distillation column reactor over ZSM-57 zeolite catalyst at high conversions and high selectivity to octenes. Prior to oligomerization the mixed C.sub.4 stream i |
| 7145029 |
Low corrosive integrated process for preparing dialkyl carbonates |
December 5, 2006 |
| An integrated process for the production of a dialkyl carbonate and a diol from an alkylene oxide, carbon dioxide and an aliphatic monohydric alcohol is described in which an alkylene oxide is first reacted with carbon dioxide in the presence of a halogen-free carbonation catalyst to |
