| Patent Number |
Title Of Patent |
Date Issued |
| RE34145 |
Encapsulating finely divided solid particles in stable suspensions |
December 15, 1992 |
| Finely divided water insoluble solid particles free of ionic charges and ranging in size from about 0.01 to several hundred microns or higher, including but not limited to paint pigment particles, are given a generally uniform polymeric encapsulation by admixing such particles in an |
| D357530 |
Sewage septic tank |
April 18, 1995 |
|
| 7390970 |
Cable semiconducting shield |
June 24, 2008 |
| A cable comprising one or more electrical conductors or communications media or a core of two or more electrical conductors or communications media, each electrical conductor, communications medium, or core being surrounded by a layer comprising: (a) polyethylene; polypropylene; or |
| 7351868 |
Minimization of ligand degradation products, of reversion of same to useful phosphine ligands |
April 1, 2008 |
| A process for the minimization of phosphonium ion ligand degradation products formed during reaction of a polyunsaturated olefin or an unconjugated functionalized olefin in the presence of a transition metal-triorganophosphine ligand complex catalyst to form as a product, by-product, |
| 7294729 |
Bis-chelating ligand and use thereof in carbonylation processes |
November 13, 2007 |
| A novel bis-chelating composition characterized by formula I: wherein M is a Group VB element; R1 and R2 are each independently selected from hydrogen and monovalent hydrocarbyl radicals; or R1 and R2 are bonded together to form a diradical; or one of R1 or R2 is hydrogen or a monova |
| 7265296 |
Flame retardant plenum cable |
September 4, 2007 |
| The present invention is a flame retardant cable having an insulated conductor and at least two insulation layers. The cable demonstrates a composite dielectric constant less than or equal to about 2.6 and a composite dissipation factor less than or equal to 0.005 even though one of |
| 7202313 |
Chromium-based catalysts in mineral oil for production of polyethylene |
April 10, 2007 |
| A process for polymerizing polyethylene with chromium-based catalysts wherein one or more supported chromium-based catalysts is mixed with mineral oil to form a slurry and the slurry is then introduced into a polymerization reactor, especially a gas-phase polymerization reactor. |
| 7196230 |
Phosoxophite ligands and use thereof in carbonylation processes |
March 27, 2007 |
| A novel organophosphorus composition and synthesis thereof, the composition being characterized by one phosphite moiety, one phosoxophite moiety, and a plurality of sterically bulky substituents. The novel composition finds utility as a ligand in Group VIII transition metal phosoxoph |
| 7166553 |
Mixed catalyst compositions for the production of polyolefins |
January 23, 2007 |
| A solid, hydrocarbon insoluble catalyst composition comprising: A) a solid, particulated complex comprising moieties of at least magnesium, a Group 4 transition metal, and a halide; B) one or more .alpha.-amino-substituted- or .alpha.-imino-substituted-2-alkylpyridine compounds; C) o |
| 7151155 |
Copolymers of cyclic esters and cyclic formals |
December 19, 2006 |
| Disclosed are copolymers of cyclic esters, e.g., caprolactone, and cyclic formals of substituted or unsubstituted diols, e.g., 1,3-dioxepane. The copolymers can provide a low melting temperature rendering them liquids at room temperature. Elastomeric polyurethanes prepared from such |
| 7025938 |
Fluid recycle apparatus for fluidized bed polyolefin reactor |
April 11, 2006 |
| The partially condensed fluid recycle stream of a fluidized bed polyolefin reactor operating in the condensing mode is split into two portions by a stream splitter. In a preferred mode, the smaller stream from the splitter contains a higher ratio of liquid to gas than the larger stream. |
| 6982304 |
Blow molding resins with improved ESCR |
January 3, 2006 |
| Polyethylene resins having improved environmental stress crack resistance, stiffness and impact resistance is made by a process comprising feeding both a chromium oxide catalyst and a silyl chromium catalyst into a polymerization reactor. The chromium oxide catalyst and the silyl chr |
| 6949266 |
Hydrophilic, lubricious medical devices having contrast for magnetic resonance imaging |
September 27, 2005 |
| Disclosed are medical devices having lubricious coatings which are capable of producing magnetic resonance image in the presence of a suitable magnetic field. The medical devices are easy to manipulate in body channels because of reduced friction with tissue surfaces and can be readi |
| 6916760 |
Spray-drying catalyst compositions and methods of spray-drying |
July 12, 2005 |
| A spray drying process for preparing a solid catalyst and composition for use therein comprising a catalyst compound, an activator for the catalyst compound, and at least one compound selected from among siloxanes, polyalkylene glycols, C.sub.1-4 alkyl or phenyl ether or diether deri |
| 6869995 |
Water tree resistant cable |
March 22, 2005 |
| A composition comprising: (i) polyethylene, and, based on 100 parts by weight of component (i), (ii) about 0.3 to about 0.6 part by weight of 4,4'-thiobis(2-methyl-6-t-butylphenol); 4,4'-thiobis(2-t-butyl-5-methylphenol); 2,2'-thiobis(6-t-butyl-4-methylphenol); or a mixture of said |
| 6858296 |
Power cable |
February 22, 2005 |
| This invention is directed to a cable for electrical conductors which has insulation layer which includes a 2,2,6,6-tetramethylpiperidine and a strippable insulation shield layer which includes a copolymer of acrylonitrile and butadiene. |
| 6846884 |
Control of resin properties |
January 25, 2005 |
| A method for controlling resin properties during the production of polyolefins is provided. The method utilizes coordinated manipulation of reaction temperature in combination with a secondary process variable to control resin flow properties to rapidly respond to manufacturing upsets |
| 6838577 |
Processes for the manufacture of lactones |
January 4, 2005 |
| Processes are disclosed for the manufacture of lactones, e.g., caprolactone, from hydoxy acids, e.g., 6-hydroxycaproic acid. The reaction is conducted over a suitable catalyst in the presence of water. |
| 6825273 |
Polymer composites containing alkylene oxide copolymers |
November 30, 2004 |
| Polymer composites comprising a water-insoluble polymer and a water-sensitive polymer are disclosed. The water-sensitive polymer is a copolymer polymerized from one or more alkylene oxide monomers and one or more epoxy-functional monomers. The polymer composites can be used in the ma |
| 6825146 |
Olefin polymerization catalyst compositions and method of preparation |
November 30, 2004 |
| A method of making a solid procatalyst composition for use in a Ziegler-Natta olefin polymerization catalyst composition, said method comprising: contacting a solid precursor composition comprising magnesium, titanium, and alkoxide moieties with a titanium halide compound and an inter |
| 6815512 |
Polyolefin production using condensing mode in fluidized beds, with liquid phase enrichment and |
November 9, 2004 |
| The partially condensed fluid recycle stream of a fluidized bed polyolefin reactor operating in the condensing mode is split into two portions by a stream splitter. In a preferred mode, the smaller stream from the splitter contains a higher ratio of liquid to gas than the larger stream. |
| 6814891 |
Conductive molding compositions and articles molded therefrom |
November 9, 2004 |
| Electrically conductive, thermoset molding compositions are disclosed which comprise an unsaturated thermosetting resin, an olefinically unsaturated monomer which is copolymerizable with the thermosetting resin, a thermoplastic additive and carbon black. The carbon black is incorporated |
| 6765101 |
Synthesis of lower alkylene oxides and lower alkylene glycols from lower alkanes and/or lower al |
July 20, 2004 |
| A method and apparatus for synthesizing at least one of alkylene oxides and alkylene glycols from lower alkanes and/or lower alkenes. In the preferred embodiment, the apparatus includes a lower alkane/alkene supply; an oxygen supply for providing a source of oxygen; and a metal oxide cat |
| 6759362 |
Mixed metal alkoxide complexes and polymerization catalysts made therefrom |
July 6, 2004 |
| A process for making a solid composition comprising alkoxide groups, chloride groups, one or more metals, M, in the +2 oxidation state selected from Mg, Ca, Mn, Cu, Co or Zn, and one or more metals, T, in the +3, +4 or +5 oxidation state selected from Ti, Zr, V, Sm, Fe, Ni, Rh, Co, Cr, M |
| 6734327 |
Alkoxylation process using antimony catalyst |
May 11, 2004 |
| Novel active catalyst compositions comprising a compound or mixture of compounds represented by the formulaa complex of such a compound or mixture of such compounds being represented by the formulaor a combination of such compounds and complexes where in each formula, X is an anionic moi |
| 6670554 |
High-voltage direct current cable insulation |
December 30, 2003 |
| A high voltage direct current cable insulation is made from a blend which includes an ethylene copolymer, such as ethylene-alpha olefin copolymer, with low crystallinity to reduce physical space charge trapping sites, a polar polymer modifier in an effective amount to enhance local c |
| 6656986 |
Polyethylene crosslinkable composition |
December 2, 2003 |
| A composition comprising: (a) polyethylene; (b) as a scorch inhibitor, [1,3,5-tris(4-tert-butyl-3-hydroxy-2,6-dimethylbenzyl)-1,3,5-triazine-2,4, 6-(1H,3H,5H)-trione]; (c) a thioester; (d) a hindered amine stabilizer; and (e) an organic peroxide. |
| 6627713 |
Gas phase polymerization process |
September 30, 2003 |
| A process for producing polymer in a gas phase reactor by introducing a stream of monomer and gas into a polymerization zone while providing at least one liquid component in the polymerization zone. |
| 6624266 |
Compositions and methods of using preactivated unsupported catalyst compositions having a given |
September 23, 2003 |
| Preactivated unsupported catalyst compositions methods of using them are disclosed whereby the compositions have a concentration of preactivated catalyst of at least about 0.04 mmol of preactivated catalyst per liter of solution when using aliphatic or alicyclic hydrocarbon solvents, and |
| 6617405 |
Process for the preparation of polyethylene |
September 9, 2003 |
| A process of polymerizing ethylene or ethylene and one or more comonomers in one or more fluidized bed reactors with a catalyst system comprising (i) a supported or unsupported magnesium/titanium based precursor in slurry form, said precursor containing an electron donor; and (ii) an |
| 6610627 |
Catalyst for the production of olefin polymers |
August 26, 2003 |
| A catalyst precursor having the formula:wherein each A has the formula: ##STR1##M is a metal selected from the group consisting of Group elements; each L is a monovalent, bivalent, or trivalent anion; X and Y are each heteroatoms; Cyclo is a cyclic moiety; each R.sup.1 is a group con |
| 6605738 |
Processes for refining butyl acrylate |
August 12, 2003 |
| Crude butyl acrylate streams, e.g., from the reaction of butanol and acrylic acid, are refined using a splitter distillation column to yield a butyl acrylate- and heavies-containing bottoms fraction and an overhead fraction containing dibutyl ether, butyl acetate, butanol and butyl a |
| 6602443 |
Composition and method for acid gas treatment |
August 5, 2003 |
| An improved composition and method for acid gas treatment, comprising an effective amount of tetraethylene glycol dimethyl ether, optionally in combination with other alkyl ethers of alkylene glycols. Utilization of a predominance of tetraethylene glycol dimethyl ether produces significa |
| 6599626 |
Coaxial cable |
July 29, 2003 |
| A coaxial cable construction comprising (i) an inner electrical conductor comprising a single electrical conductor or a core of two or more electrical conductors; (ii) dielectric insulation comprising an inert gas and a solid, said solid comprising (a) a polymer selected from the group |
| 6593004 |
Extrusion coating composition |
July 15, 2003 |
| This invention relates to novel extrusion coating compositions containing certain high melt flow, narrow molecular weight distribution polypropylene impact or random copolymers and composite articles comprising a substrate having such compositions melt extruded thereon. |
| 6592779 |
Composition and method for acid gas treatment |
July 15, 2003 |
| An improved composition and method for acid gas treatment, comprising an effective amount of tetraethylene glycol dimethyl ether, optionally in combination with other alkyl ethers of alkylene glycols. Utilization of a predominance of tetraethylene glycol dimethyl ether produces significa |
| 6583104 |
Aqueous cleaning compositions |
June 24, 2003 |
| Novel water-based cleaning compositions comprising: (a) a surfactant component, (b) a solvent component comprising ethylene glycol pentyl ether which contains at least about 90% by weight of mono-ethylene, diethylene or triethylene glycol n-pentyl ether, and (c) water. |
| 6576803 |
Catalysts for the oxidative dehydrogenation of hydrocarbons |
June 10, 2003 |
| The present invention provides a catalyst for the oxidative dehydrogenation of a lower hydrocarbon to form at least one higher hydrocarbon and/or lower olefin. In one embodiment, the catalyst includes a nonstoichiometric rare earth oxycarbonate of the formula M.sub.X C.sub.Y O.sub.Z havi |
| 6573375 |
Liquid thickener for surfactant systems |
June 3, 2003 |
| Compositions comprising alkoxylated lipophilic polyol compounds, e.g., ethoxylated, esterified methyl glucosides, are disclosed wherein at least 5% of the polyol derivatives have about three moles of the lipophilic substituent per mole of polyol. Quite advantageously, the disclosed polyo |
| 6565784 |
Telecommunications cable composition process |
May 20, 2003 |
| A process for the preparation of a composition useful in telecommunications jacketing comprising: (i) introducing a polyolefin into the first mixing zone of a melt/mixer having first and second mixing zones; (ii) introducing particulate carbon black per se or a premix of said carbon |
| 6565779 |
Cable semiconducting shield compositions |
May 20, 2003 |
| A process for the preparation of a semiconducting shield composition comprising: (i) introducing an elastomer into a melt/mixer having a melting zone and a mixing zone; (ii) introducing particulate conductive carbon black into the melt/mixer in an amount of about 10 to about 25 per |
| 6558569 |
Low viscosity functional fluids compositions |
May 6, 2003 |
| Low viscosity functional fluid compositions particularly useful as brake fluids in anti-lock brake systems comprising a borate ester component, an alkoxy glycol component and an additive package which includes a corrosion inhibitor. |
| 6540165 |
Process for handling particulate material at elevated pressure |
April 1, 2003 |
| A process comprising the steps of: (1) pressurizing a particulate material in bead or pellet form in a vessel to an elevated pressure with a first gas, (2) reducing the particulate material under the elevated pressure to a fine consistency, (3) conveying the fine consistency particulate |
| 6534441 |
Nickel-rhenium catalyst for use in reductive amination processes |
March 18, 2003 |
| A nickel/rhenium catalyst composition for the reductive amination of lower aliphatic alkane derivatives is described. The catalyst includes from about 2 to about 75 weight percent nickel and has a nickel to rhenium weight percent ratio of from about 1:1 to about 200:1. The nickel and |
| 6525143 |
Dendritic macromolecules for metal-ligand catalyzed processes |
February 25, 2003 |
| This invention relates to dendritic macromolecules and their use in metal-dendritic macroligand complex catalyzed processes, e.g., hydroformylation. The use of metal-dendritic macroligand complex catalysts in such processes facilitates the separation of desired product from catalyst, |
| 6521783 |
Processes for preparing oxygenates |
February 18, 2003 |
| This invention relates in part to a processes for the conversion of a feedstock stream comprising carbon monoxide and hydrogen to a product stream comprising at least one of an ester, acid, acid anhydride and mixtures thereof. This invention also relates in part to processes for conv |
| 6518476 |
Methods for manufacturing olefins from lower alkans by oxidative dehydrogenation |
February 11, 2003 |
| The present invention provides methods for manufacturing olefins such as ethylene and propylene from lower alkanes, that is, methane, ethane and/or propane, by oxidative dehydrogenation at elevated pressure. The olefins are selectively recovered from unconverted lower alkane feed and rea |
| 6511938 |
Alkylene oxide catalysts having enhanced activity and/or stability |
January 28, 2003 |
| Catalysts for the production of alkylene oxide by the epoxidation of alkene with oxygen comprise a silver-containing support, and a sufficient amount of cobalt component to enhance at least one of activity and/or efficiency and/or stability as compared to a similar catalyst which does no |
| 6511935 |
Methods of making magnesium/transition metal alkoxide complexes and polymerization catalysts mad |
January 28, 2003 |
| A method of halogenating a precursor to form a polymerization procatalyst is disclosed whereby a magnesium/transition metal-containing alkoxide complex precursor is contacted with a halogenating agent selected from alkylaluminum halide, TiX.sub.4, SiX.sub.4, BX.sub.3, and Br.sub.2, where |
| 6511934 |
Transition metal precursors containing sulfur ligands, and polyolefin production processes using |
January 28, 2003 |
| A catalyst composition for the polymerization of olefins is provided, comprising a transition metal precursor containing sulfur ligands and an activating co-catalyst. |
