| Patent Number |
Title Of Patent |
Date Issued |
| 7399737 |
Lube additives |
July 15, 2008 |
| Lube formulations and concentrates are disclosed herein. The formulations comprise copolymers of ethylene and propylene. |
| 7396972 |
Methanol feed for producing olefin streams |
July 8, 2008 |
| A method for producing an olefin stream is provided based on conversion of an initial natural gas stream into a synthesis gas. The resulting synthesis gas is enriched with CO.sub.2 previously separated from the natural gas stream. The synthesis gas is then used to form a methanol com |
| 7396971 |
Two stage hydrocarbon conversion reaction system |
July 8, 2008 |
| This invention is to a method and system for operating a hydrocarbon conversion process. A two stage reactor system is used in which the gas superficial velocity of the second reaction stage is greater than that in the first reaction stage. The first reaction stage operates at more c |
| 7396967 |
Manufacture of xylenes using reformate |
July 8, 2008 |
| 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 |
| 7396881 |
Polyethylene compositions for rotational molding |
July 8, 2008 |
| 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; a |
| 7396878 |
Polyethylene compositions for injection molding |
July 8, 2008 |
| 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 |
| 7393990 |
Production of light olefins from oxygenate using framework gallium-containing medium pore molecu |
July 1, 2008 |
| A method is provided for converting oxygenates, e.g., methanol, to olefins, e.g., ethylene and propylene, comprising contacting said oxygenates and an aromatics co-feed, e.g., xylenes, with a framework gallium-containing molecular sieve catalyst comprising pores having a size ranging |
| 7390933 |
Reduction of the Bromine Index of linear alkylbenzenes |
June 24, 2008 |
| 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 |
| 7390866 |
Propylene-based elastomers and uses thereof |
June 24, 2008 |
| The present invention provides curable and cured propylene-based elastomers, optionally including a diene, and having isotactic polypropylene crystallinity, a melting point by DSC equal to or less than 110.degree. C., and a heat of fusion of from 5 J/g to 50 J/g. The present inventio |
| 7390861 |
Cationic group-3 catalyst system |
June 24, 2008 |
| A cationic Group 3 or Lanthanide metal complex for coordination polymerization of olefins is disclosed. The precursor metal complex is stabilized by an anionic multidentate ancillary ligand and two monoanionic ligands. The ancillary ligand and the transition metal form a metallocycle |
| 7388120 |
Removing carbon dioxide from an oxygenate to olefins reaction effluent |
June 17, 2008 |
| The present invention provides processes for removing CO.sub.2 from an effluent stream derived from an oxygenate to olefins reaction system. In one embodiment, the invention comprises contacting the effluent stream with a first CO.sub.2 removal medium in a first CO.sub.2 removal zone |
| 7385100 |
Treating oxygenate containing feedstreams in the conversion of oxygenates to olefins |
June 10, 2008 |
| 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 |
| 7385099 |
Multiple riser reactor with centralized catalyst return |
June 10, 2008 |
| The present invention is directed to a hydrocarbon conversion apparatus and process. The apparatus comprises the following: a plurality of riser reactors, each having a first end into which a catalyst is fed, a second end through which the catalyst can exit, and optionally a center axis |
| 7385098 |
Aromatics alkylation process |
June 10, 2008 |
| The invention relates to a process for producing alkylated aromatics, preferably ethylbenzene, in a multiple bed reactor in which at least two catalysts, each comprising a molecular sieve, are used in sequential beds. The first alkylation catalyst is selected to have a higher activity |
| 7385015 |
Trialkylaluminum treated supports |
June 10, 2008 |
| This invention relates to a process to prepare a trialkylaluminum treated support comprising: 1) combining a support with first trialkylaluminum compound(s), where the alkyl groups have at least 2 carbon atoms; then 2) calcining the combination of the support and the trialkylaluminum |
| 7384985 |
Process for producing methanol |
June 10, 2008 |
| This invention is directed to a process for producing methanol. The methanol product that is produced according to this invention is achieved with a high conversion of synthesis gas. The high conversion of synthesis gas is achieved by flowing a liquid layer across a plurality of catalyst |
| 7384887 |
Attrition resistant molecular sieve catalysts |
June 10, 2008 |
| This invention is directed to a hardened molecular sieve catalyst composition, a method of making the composition and a method of using the composition. The catalyst composition is made by mixing together molecular sieve, liquid, and an effective hardening amount of a dried molecular |
| 7384885 |
Catalyst activation and resins therefrom |
June 10, 2008 |
| The present invention relates to the removal of hydrocarbon residues from a catalyst and more specifically the air activation of a catalyst containing hydrocarbon residues. It also relates to extruded pipe and utility conduit resins comprising polyethylene, household/industrial chemi |
| 7381853 |
Production of higher olefins |
June 3, 2008 |
| A method of making a higher olefin product from a C.sub.4.sup.+ fraction separated from the hydrocarbon product produced by an oxygenate to olefin reaction unit. The C.sub.4.sup.+ fraction primarily contains butenes which may be directed to a higher olefin reaction unit without removing |
| 7381778 |
Method of preparing a treated support |
June 3, 2008 |
| This invention relates to a method of preparing a supported catalyst comprising the steps of contacting a solid titanium with a supported catalyst compound, and heating the combination to at least 150.degree. C. |
| 7381777 |
Method for controlling fouling in slurry-type polymerization reactors |
June 3, 2008 |
| The present invention relates to methods for controlling fouling in the reaction zone of slurry-type olefin polymerization reactors by measuring a process operating parameter and by responding to said process operating parameter, e.g., by introducing a gaseous poison for the polymerizati |
| 7381676 |
Catalyst composition and its use thereof in aromatics alkylation |
June 3, 2008 |
| This disclosure relates to a catalyst composition comprising (a) a crystalline MCM-49 molecular sieve; and (b) a binder comprising at least 1 wt. % of a titanium compound. In one aspect of this disclosure, the titanium compound comprises at least one of titanium oxide, titanium hydro |
| 7378563 |
Molecular sieve compositions, catalysts thereof, their making and use in conversion processes |
May 27, 2008 |
| The invention relates to a conversion process of a feedstock, preferably an oxygenated feedstock, into one or more olefin(s), preferably ethylene and/or propylene, in the presence of a molecular sieve catalyst composition that includes a molecular sieve and a Group 3 metal oxide and/ |
| 7378562 |
Process for removal of alkynes and/or dienes from an olefin stream |
May 27, 2008 |
| The present invention is a process for removing alkynes and/or dienes from an olefin product stream withdrawn from an oxygenate-to-olefins reactor. The process comprises hydrogenating a first olefin stream that has alkynes and/or dienes in the presence of excess hydrogen and a first |
| 7378076 |
Process for production of macrostructures of a microporous material |
May 27, 2008 |
| The invention involves a process for production of macrostructures of a microporous material. The process is characterized by the fact that seeds formed in or introduced by ion exchange or adsorption to a porous organic ion exchanger with the desired size, shape and porosity are made to |
| 7375169 |
Method for catalyst preparation and improved polyethylene blow molding resin |
May 20, 2008 |
| A method for polymerizing ethylene is provided. The method can include preparing a supported catalyst composition comprising the steps of: (a) dehydrating a chromium impregnated support; (b) at least partially dissolving a titanium-containing compound in one or more inert solvents to |
| 7375050 |
Synthesis and use of aluminophosphates and silicoaluminophosphates |
May 20, 2008 |
| Disclosed are methods and compositions of synthesis mixtures for the synthesis of aluminophosphates and silicoaluminophosphate molecular sieves, which enable the control and adjustment of the crystal particle size of aluminophosphates and silicoaluminophosphate molecular sieves. The |
| 7374660 |
Process for selectively producing C.sub.3 olefins in a fluid catalytic cracking process with rec |
May 20, 2008 |
| A process for selectively producing C.sub.3 olefins from a catalytically cracked or thermally cracked naphtha stream is disclosed herein. The naphtha stream is introduced into a process unit comprised of a reaction zone, a stripping zone containing a dense phase, a catalyst regeneration |
| 7371803 |
Catalyst composition II |
May 13, 2008 |
| 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 |
| 7371793 |
Nanocomposite comprising stabilization functionalized thermoplastic polyolefins |
May 13, 2008 |
| This invention relates to nanocomposites comprising organo-clay and at least one stabilization functionalized thermoplastic polyolefin. Preferably the stabilization functionalized thermoplastic polyolefin is represented by the formula: T-(R.sup.1G).sub.n Wherein T represents the the |
| 7361799 |
Process for producing olefins |
April 22, 2008 |
| A process is described for producing olefins from a vapor product stream from an oxygenate to olefin conversion reaction, the vapor product stream comprising C.sub.2 to C.sub.4 olefins, C.sub.5+ hydrocarbons, at least one oxygenate and water. In the process, the vapor product stream is |
| 7361798 |
Production of dialkylbenzenes |
April 22, 2008 |
| The invention relates to a process for producing a desired dialkylbenzene isomer having a formula R.sub.2C.sub.6H.sub.4, where R is an alkyl substituent, by contacting a polyalkylbenzene compound of formula R.sub.nC.sub.6H.sub.6-n, where n is an integer between 2 and 4, with a monoal |
| 7358413 |
Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feed |
April 15, 2008 |
| Hydrocarbon feedstock containing resid is cracked by a process comprising: (a) heating the hydrocarbon feedstock; (b) mixing the heated hydrocarbon feedstock with steam and optionally water to form a mixture stream; (c) introducing the mixture stream to a flash/separation apparatus to fo |
| 7358412 |
Method of making molecular sieve catalyst |
April 15, 2008 |
| Disclosed is a method for making molecular sieve catalyst particles. Dried molecular sieve catalyst particles are used to make the catalyst. The dried molecular sieve catalyst particles are put into an aqueous solution and stirred to make a slurry. The slurry is dried to make the molecul |
| 7358410 |
Processes for forming polypropylene from an oxygenate-contaminated monomer feedstock |
April 15, 2008 |
| The present invention provides various processes for producing polypropylene from an oxygenate-contaminated propylene-containing feedstock, preferably derived from an oxygenate to olefin reaction system. In one embodiment, the process includes providing a propylene-containing stream |
| 7358380 |
Ru-substituted polyoxometalates and process for their preparation |
April 15, 2008 |
| The invention relates to polyoxometalates represented by the formula (A.sub.n).sup.m+[R.sub.2(H.sub.2O).sub.6X.sub.2W.sub.20O.sub.70].sup.m- or solvates thereof, wherein A represents a cation, n is the number of the cations, m is the charge of the polyoxoanion, and X represents a het |
| 7355086 |
Method for stabilizing catalyst activity during MTO unit operation |
April 8, 2008 |
| 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 |
| 7354979 |
Polymer production at supercritical conditions |
April 8, 2008 |
| This invention relates to a process to polymerize olefins comprising contacting, in a polymerization system, olefins having three or more carbon atoms with a catalyst compound, activator, optionally comonomer, and optionally diluent or solvent, at a temperature above the cloud point |
| 7351872 |
Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysi |
April 1, 2008 |
| A process and control system for cracking a heavy hydrocarbon feedstock containing non-volatile hydrocarbons comprising heating the heavy hydrocarbon feedstock, mixing the heated heavy hydrocarbon feedstock with a dilution steam stream to form a mixture stream having a vapor phase and |
| 7351845 |
Transition metal polymerization catalysts, their synthesis and use in olefin polymerization |
April 1, 2008 |
| 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, |
| 7351779 |
Polymerization process and reactor system |
April 1, 2008 |
| A process for polymerizing one or more monomers is provided. In at least one specific embodiment, the process includes preparing a mixture comprising the one or more monomers, a catalyst system and a fluorinated hydrocarbon, preferably a hydrofluorocarbon. A fluorinated hydrocarbon c |
| 7345213 |
Protecting catalytic activity of a SAPO molecular sieve |
March 18, 2008 |
| This invention is directed to a method of making an olefin product from an oxygenate feedstock and a method of protecting catalytic activity of a silicoaluminophosphate molecular sieve. The methods comprise providing a silicoaluminophosphate molecular sieve having catalytic sites within |
| 7345212 |
Process for olefin oligomerization |
March 18, 2008 |
| A process for preparing a substantially linear olefinic hydrocarbon mixture is described in which a lower olefin feed comprising one or more C.sub.3 to C.sub.6 lower olefins is contacted in the presence of water and under olefin oligomerization conditions with a catalyst comprising s |
| 7342079 |
Polymerization process and reactor system |
March 11, 2008 |
| This invention is directed to processes for making polymer in the presence of a hydrofluorocarbon, and for the recovery of polymer substantially free of dissolved hydrocarbons and hydrofluorocarbons. The processes provided enables polymerization processes to be practiced with minimal |
| 7339018 |
Diene-modified propylene copolymers |
March 4, 2008 |
| Certain specific embodiments of the invention will now be discussed. For example, a process of preparing a copolymer composition that includes a diene-modified polypropylene copolymer is described, which process includes: contacting a metallocene catalyst compound with a polymerizati |
| 7338688 |
Protective pipe and tank linings |
March 4, 2008 |
| Protective liners or coatings for metal conduits, pipes and tanks subjected to corrosive liquids are disclosed. The liners comprise a composition containing a silylated copolymer of, for example, isobutylene and para-methylstyrene, which are curable by contact with moisture. |
| 7338645 |
Method and system for reducing decomposition byproducts in a methanol to olefin reactor system |
March 4, 2008 |
| Disclosed is a method and system for reducing the formation of metal catalyzed side-reaction byproducts formed in the feed vaporization and introduction system of a methanol to olefin reactor system by forming and/or coating one or more of the heating devices, feed lines or feed intr |
| 7335621 |
Catalyst compositions and preparation thereof |
February 26, 2008 |
| This invention relates to a process and the product thereof for preparing, a molecular sieve catalyst composition, comprising a mixture of: a first quantity of molecular sieve particles, having an 8-ring or larger structure, and a pore size of from about 3 angstroms to about 15 angst |
| 7335424 |
Ionomer laminates and articles formed from ionomer laminates |
February 26, 2008 |
| A co-extruded laminate of at least one layer of an ionomer and at least one layer of an acid polymer that can be thermoformed with a plastic substrate such as a polyolefin. The laminate can be pigmented to eliminate the need to paint the surface of the plastic substrate. Articles can |
| 7335295 |
Coated zeolite catalysts and use for hydrocarbon conversion |
February 26, 2008 |
| There is provided a coated zeolite catalyst in which the accessibility of the acid sites on the external surfaces of the zeolite is controlled and a process for converting hydrocarbons utilizing the coated zeolite catalyst. The zeolite catalyst comprises core crystals of a first zeolite |
