| Patent Number |
Title Of Patent |
Date Issued |
| 6969735 |
Plasticizers from less branched decyl alcohols |
November 29, 2005 |
| Less branched C.sub.10 alcohols are used to provide plasticizer esters particularly suitable for high temperature applications such as wire and cable insulation. |
| 6966999 |
Oriented thermoplastic vulcanizate |
November 22, 2005 |
| Oriented films are prepared. A thermoplastic vulcanizate, prepared by mixing at least 20 wt % of a thermoset rubber by weight of the total composition into a thermoplastic polymer are disclosed. After the mixture is prepared the thermoset rubber is entrained as discrete particles within |
| 6965057 |
Oxygenate to olefin process |
November 15, 2005 |
| The invention relates to a process for converting an oxygenate feedstock into an olefin product stream comprising (a) contacting an oxygenate feedstock with a molecular sieve catalyst in a reactor under conditions effective to convert the feedstock into an olefin product stream and to |
| 6960676 |
Method of preparing group 14 bridged biscyclopentadienyl ligands |
November 1, 2005 |
| The present invention relates to ligands and the synthesis of those ligands for use in metallocene complexes. More particularly, the present invention relates to the synthesis of diarylsilyl bridged biscyclopentadienes using diarylsilyldisulfonates. Even more particularly, the present in |
| 6958376 |
Inlet distribution device for upflow polymerization reactors |
October 25, 2005 |
| A polymerization process and polymerization reactor are provided. For example, a polymerization process is described, including passing a feed stream including liquid and gas through a feed stream inlet disposed proximate an upflow polymerization reactor, passing the feed stream thro |
| 6958305 |
Zeolite catalyst and use for hydrocarbon conversion |
October 25, 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 |
| 6956075 |
Halogenated elastomeric compositions having improved stability and green strength |
October 18, 2005 |
| The present invention is a composition and a method of forming a composition, the composition comprising at least a halogenated elastomer and an amine or phosphine. An additional rubber component may be present in the composition of the invention. In one embodiment, the halogenated e |
| 6953828 |
Polymeric membrane compositions |
October 11, 2005 |
| Blends of very low density polyethylene produced using metallocene catalysts (mVLDPE) and polypropylene are disclosed. The polymer blends include a metallocene-catalyzed VLDPE polymer having a density of less than 0.916 g/cm.sup.3, the mVLDPE polymer preferably being linear and witho |
| 6953767 |
Silicoaluminophosphate molecular sieve |
October 11, 2005 |
| The present invention relates to a silicoaluminophosphate molecular sieve comprising at least one intergrown phase of molecular sieves having AEI and CHA framework types, wherein said intergrown phase has an AEI/CHA ratio of from about 5/95 to 40/60 as determined by DIFFaX analysis, usin |
| 6951830 |
Molecular sieve catalyst compositions, their production and use in conversion processes |
October 4, 2005 |
| 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 |
| 6949688 |
Low Noack volatility poly .alpha.-olefins |
September 27, 2005 |
| The present invention relates to poly .alpha.-olefins (PAO's) which exhibit superior Noack volatility at low pour points. Mixtures of 1-decene and 1-dodecene are polymerized using an alcohol promoted BF.sub.3 in conjunction with a combination of cocatalysts. The reaction mixture is d |
| 6949239 |
Process for production of macrostructures of a microporous material |
September 27, 2005 |
| 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 |
| 6946583 |
Reforming process for manufacture of para-xylene |
September 20, 2005 |
| A process for selectively producing para-xylene from a feedstock enriched in C.sub.8 isoalkanes and/or isoalkenes is disclosed. The feed is contacted with Group VIII metal loaded molecular sieve catalyst of low acidity under dehydrocyclization conditions wherein the molecular sieve h |
| 6946528 |
Hot melt adhesives |
September 20, 2005 |
| The invention provides a hot melt adhesive composition including a tubular reactor copolymer of ethylene and 5 to 20 mol % of comonomer units derived from an alkyl acrylate or alkyl methacrylate, wherein the copolymer has a melt index of at least 300 g/10 min. The alkyl group of the alky |
| 6939933 |
Process for polymerizing cationically polymerizable monomers |
September 6, 2005 |
| The invention relates to a new catalyst system that improves the heat transfer capability of a butyl reactor slurry process system in the production of random copolymers of one or more isoolefin monomers and one or more conjugated diene monomers in continuous slurry polymerization pr |
| 6939921 |
Colorable elastomeric composition |
September 6, 2005 |
| Transparent and colorable elastomeric compositions are provided. The transparent elastomeric compositions can be covulcanized with rubbers such as polybutadiene, polyisoprene, styrene-butadiene rubber, styrene-isoprene-butadiene rubber, isoprene-butadiene rubber, or natural rubber an |
| 6936744 |
Alkylaromatics production |
August 30, 2005 |
| The present invention provides a process for producing a monoalkylated aromatic compound, particularly cumene, comprising the step of contacting a polyalkylated aromatic compound with an alkylatable aromatic compound under at least partial liquid phase conditions and in the presence of a |
| 6936566 |
Modified metalloaluminophosphate molecular sieves |
August 30, 2005 |
| The invention is directed to a method for modifying a microporous metalloaluminophosphate molecular sieve, the method comprising the steps of a) introducing a compound containing at least one M-X group within the cages of said microporous molecular sieve; and b) reacting said compound |
| 6932959 |
Porous inorganic macrostructure materials and process for their preparation |
August 23, 2005 |
| There is provided macrostructures of porous inorganic material which can have controlled size, shape, and/or porosity and a process for preparing the macrostructures. The macrostructures comprise a three-dimension network of particles of porous inorganic materials. The process for pr |
| 6932592 |
Metallocene-produced very low density polyethylenes |
August 23, 2005 |
| A very low density polyethylene having a density of 0.890 to 0.915 and a Dart Drop value of at least about 450 g/mil or above is disclosed. Gas phase polymerization methods are also disclosed for making very low density linear polyolefins utilizing a metallocene catalyst, and the res |
| 6930195 |
Process for the production of unsymmetric and/or symmetric dialkyl carbonates and diols |
August 16, 2005 |
| A process for the production of a dialkyl carbonate and a diol, such as dimethyl carbonate and ethylene glycol, by reacting a feed containing a cyclic carbonate, a hydroxy alkyl carbonate and an aliphatic monohydric alcohol in the presence of a transesterification catalyst is described. |
| 6927258 |
Elastic blends comprising crystalline polymer and crystallizable polymers of propylene |
August 9, 2005 |
| 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 |
| 6927187 |
Synthesis of silicoaluminophosphates |
August 9, 2005 |
| The invention is directed to a method of synthesising silicoaluminophosphate molecular sieves and in particular those of framework type CHA and AEL. The method uses synthesis templates that comprise one or more tertiary dialkylbutylamines, wherein the alkyl groups are not butyl. The |
| 6926882 |
Porous inorganic macrostructure materials and process for their preparation |
August 9, 2005 |
| There is provided macrostructures of porous inorganic material which can have controlled size, shape, and/or porosity and a process for preparing the macrostructures. The macrostructures comprise a three-dimension network of particles of porous inorganic materials. The process for pr |
| 6924405 |
Xylene isomerization |
August 2, 2005 |
| A xylene isomerization process is disclosed in which any ethylbenzene in the feed is removed, either by dealkylation or isomerization, in a separate reactor upstream of the xylene isomerization reactor and the xylene isomerization catalyst is contained in the same reactor, typically |
| 6924351 |
Method of processing polyethylene resins |
August 2, 2005 |
| Process for pelletizing polyethylene resin are disclosed, the processes providing pelletized resin having reduced occurrence of defects such as black specks. Polyethylene resin is conveyed in a downstream direction through a mixer having a feed zone, a melt-mixing zone downstream of the |
| 6921798 |
Polymerization process |
July 26, 2005 |
| Polymerization processes are disclosed for producing polyethylene having a target density and improved environmental stress resistance. Ethylene and optionally one or more .alpha.-olefin comonomers, supported chromium catalyst, and metal alkyl cocatalyst are contacted to produce poly |
| 6921794 |
Blends made from propylene ethylene polymers |
July 26, 2005 |
| 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 |
| 6919474 |
Cracking of neo-C9 and neo-C13 carboxylic acids to either pivalic acid or methyl pivalate |
July 19, 2005 |
| A method for production of pivalic acid comprising the steps of: (a) reacting isobutylene, carbon monoxide, and a first catalyst to produce a reaction mixture; (b) contacting the reaction mixture with water, thereby producing a crude acid product having pivalic acid and oligomeric ne |
| 6919291 |
Fluorinated zwitterionic cocatalyst activators for olefin polymerization |
July 19, 2005 |
| Zwitterionic compositions of matter comprising cations [Ct].sup.+ and anions connected together with substantially rigid fluorinated linking groups are described. These zwitterionic compositions serve as cocatalysts. They activate olefin polymerization catalysts, and can dissolve in |
| 6916965 |
Treatment of acid catalysts |
July 12, 2005 |
| 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 one or more nitrogen containing compounds having a kinetic diamet |
| 6916882 |
Plasticized polypropylene thermoplastics |
July 12, 2005 |
| 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 o |
| 6914166 |
Process for the selective dimerization of isobutene |
July 5, 2005 |
| The present invention relates to processes for making a reaction product comprising trimethylpentene(s) which comprises contacting a C.sub.4 olefinic feedstock containing isobutene and n-butene(s) with a catalyst comprising zeolite beta under conditions allowing selective dimerization |
| 6914030 |
Synthesis of silicoaluminophosphates |
July 5, 2005 |
| The invention is directed to a method of synthesizing silicoaluminophosphate molecular sieves using synthesis templates that contain at least one dimethylamino moiety, selected from one or more of N,N-dimethylethanolamine, N,N-dimethylpropanolamine, N,N-dimethylbutanolamine, N,N-dime |
| 6909008 |
Cocatalyst compositions |
June 21, 2005 |
| An activator for olefin polymerization catalysts is disclosed. One aspect of the activator is that it comprises a group-13 central atom connected to at least one fluorinated aryl ring that is itself substituted with a silyl acetylenic group. Some embodiments employ a neutral activator an |
| 6908604 |
Macrostructures of porous inorganic material and process for their preparation |
June 21, 2005 |
| There is provided macrostructures of porous inorganic material which can have controlled size, shape, and/or porosity and a process for preparing the macrostructures. The macrostructures comprise a three-dimension network of particles of porous inorganic materials. The process for pr |
| 6907911 |
Thermoplastic blend |
June 21, 2005 |
| The invention generally relates to thermoplastic blends having improved properties. Optionally, these blends may be dynamically vulcanized. More specifically, this invention is directed to a composition comprising a blend of chloromethylated(styrene-isobutylene) polymer and a thermoplast |
| 6906233 |
Modified metalloaluminophosphate molecular sieves |
June 14, 2005 |
| The invention is directed to a method for modifying a microporous metalloaluminophosphate molecular sieve, the method comprising the steps of a) introducing a compound containing at least one M-X group within the cages of said microporous molecular sieve; and b) reacting said compound |
| 6906232 |
Molecular sieve compositions, catalysts thereof, their making and use in conversion processes |
June 14, 2005 |
| 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/ |
| 6906229 |
Process for hydrolyzing di-isopropyl ether to isopropyl alcohol by catalytic distillation using |
June 14, 2005 |
| The invention relates to the production of isopropyl alcohol from di-isopropyl ether by catalytic distillation. The process solves, in particular, problems associated with the Sulfuric Acid Process. |
| 6903240 |
Process for manufacturing a silicoalumino-phosphate molecular sieve |
June 7, 2005 |
| Small particle size SAPO-34 is obtained by using a tetraalkyl orthosilicate as the silicon source. |
| 6903229 |
Metallocene compositions |
June 7, 2005 |
| This invention relates to metallocene compositions and their use in the preparation of catalyst systems for olefin polymerization, particularly propylene polymerization. The metallocene compositions may be represented by the formula: ##STR1##wherein R.sup.3 are identical or different |
| 6902390 |
Burner tip for pre-mix burners |
June 7, 2005 |
| An improved burner and a method for combusting fuel in burners used in furnaces such as those found in steam cracking. The burner includes a burner tube having a longitudinal axis and having a downstream end and an upstream end for receiving fuel gas and air, flue gas or mixtures thereof |
| 6899852 |
Tubular polymerization reactors and polymers made therein |
May 31, 2005 |
| Tubular reactor apparatus and processes are provided for improved polymerization including using chain transfer agents and multiple monomer feeds spaced lengthwise along the tubular reactor providing high conversions of monomer into polymer. The invention also relates to polymers mad |
| 6899046 |
Shipping methanol for a methanol to olefin unit in non-methanol carriers |
May 31, 2005 |
| The invention relates to a process for modifying tanker ships. More specifically, the invention is directed to a process for modifying a non-methanol-carrying tanker to carry a methanol cargo destined for a methanol to olefin reaction system. The process includes providing a tanker h |
| 6897180 |
Stabilization of acid catalysts |
May 24, 2005 |
| 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 |
| 6897179 |
Method of protecting SAPO molecular sieve from loss of catalytic activity |
May 24, 2005 |
| Disclosed is a method of protecting the loss of catalytic activity of metalloaluminophosphate molecular sieve, particularly a SAPO molecular sieve, from contact with moisture. The method involves heating the metalloaluminophosphate molecular sieve so as to remove template, and provid |
| 6894179 |
Metallocene compositions |
May 17, 2005 |
| This invention relates to metallocene compositions and their use in the preparation of catalyst systems for olefin polymerization, particularly propylene polymerization. The metallocene compositions are generally those of the bridged bis(2-R.sup.3 -4-phenylindenyl)metallocene type wherei |
| 6893624 |
High activity small crystal ZSM-12 |
May 17, 2005 |
| A porous, crystalline material is described having the framework structure of ZSM-12 and a composition involving the molar relationship:wherein X is a trivalent element, Y is a tetravalent element and n is less than 60. The material has an average crystal size of the material is less tha |
| 6893252 |
Fuel spud for high temperature burners |
May 17, 2005 |
| An improved burner and a method for combusting fuel in a burner used in furnaces such as those found in steam cracking. The burner includes a burner tube having a downstream end and an upstream end, the burner tube having a venturi therein; a fuel spud located adjacent the upstream end o |
