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A method of swing on a swing is disclosed, in which a user positioned on a standard swing suspended by two chains from a substantially horizontal tree branch induces side to side motion by pulling alternately on one chain and then the other.
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| Number | Title | Issue Date |
| 7528289 | Isoparaffin-olefin alkylation A novel alkylation catalyst is described which is used in processes for alkylating olefin hydrocarbons with isoparaffin hydrocarbons to produce high octane alkylate products suitable for use as a blending component of gasoline motor fuel. The novel catalyst comprise... | 05/05/2009 |
| 7417097 | Organometal compound catalyst This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said cata... | 08/26/2008 |
| 7390764 | Organometal catalyst compositions This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said catal... | 06/24/2008 |
| 7271124 | Process to produce polymers A process to produce ethylene polymers is provided. ... | 09/18/2007 |
| 7157612 | Olefin production process A process is provided to stabilize and/or reactivate an olefin production catalyst system which comprises contacting an olefin production catalyst system, either before or after use, with an aromatic compound. ... | 01/02/2007 |
| 7119043 | Olefin polymerization processes and products thereof A novel loop/slurry olefin polymerization process is provided which produces ultra high molecular weight ethylene homopolymers and ultra high molecular weight ethylene copolymers. Catalyst systems used are selected from the group consisting of inorganic oxide suppor... | 10/10/2006 |
| 7109277 | Polymerization catalysts A process to produce a polymer is provided. The process comprising contacting a treated solid oxide compound, an organometal compound, and an organoaluminum compound in the presence of an alpha olefin under polymerization conditions to produce the polymer. ... | 09/19/2006 |
| 7071276 | Process to produce polymers A process to produce ethylene polymers is provided. ... | 07/04/2006 |
| 7056744 | Measurement of short chain branching in olefin copolymers using chemometric analysis A method of determining the proportion of short-chain branching in an olefin copolymer process stream is disclosed. The short-chain branching may also be determined as a function of molecular weight in a sample having a range of molecular weights. In the method, at ... | 06/06/2006 |
| 7041753 | Organometal catalyst compositions This invention provides oxide matrix compositions that can be utilized in catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. The oxide matrix composition comprises residual mineral components and an oxide precursor. The... | 05/09/2006 |
| 7022781 | Polymerization catalyst systems and processes using alkyl lithium compounds as a cocatalyst A catalyst system composition comprising a chromium compound supported on a silica-titania support, wherein said catalyst system has been reduced with carbon monoxide, and a cocatalyst selected from the group consisting of i) alkyl lithium compounds, ii) dialkyl alu... | 04/04/2006 |
| 7009085 | Selective hydrogenation catalyst and processes therefor and therewith A catalyst composition comprising an inorganic support material, a palladium component, a silver component, and a promoter component having the formula XYFn, wherein X is an alkaline metal, Y is an element selected from the group consisting of antimony, p... | 03/07/2006 |
| 7001968 | Olefin polymerization processes and products thereof A novel loop/slurry olefin polymerization process is provided which produces ultra-high molecular weight ethylene homopolymer. ... | 02/21/2006 |
| 6992035 | Metallocenes, polymerization catalyst systems, their preparation, and use Metallocene having two cyclic dienyl groups connected by a single carbon having an aryl substituent and a terminally unsaturated hydrocarbyl substituent, olefin polymerization catalyst systems prepared therefrom, and the use of such catalyst systems are disclosed. | 01/31/2006 |
| 6992032 | Organometal catalyst compositions This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said cata... | 01/31/2006 |
| 6984603 | Organometal catalyst compositions This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said cata... | 01/10/2006 |
| 6936667 | Polymerization catalyst compositions and processes to produce polymers and bimodal polymers A process to produce a first catalyst composition is provided. The process comprises contacting at least one first organometal compound and at least one activator to produce the first catalyst composition. The activator is selected from the group consisting of alumi... | 08/30/2005 |
| 6905568 | Process for minimizing haze of extruded clear blends containing styrene/butadiene polymer and product thereof A process for reducing the haze of extrusions of clear polymeric blends containing styrene-butadiene copolymer and a polymer immiscible therewith. An assembly of extrusion layers in which a layer of clear polymeric blends containing styrene/butadiene copolymer and a... | 06/14/2005 |
| 6906146 | COMPOSITIONS HAVING ETHYLENIC BACKBONE AND BENZYLIC, ALLYLIC, OR ETHER-CONTAINING SIDE-CHAINS, OXYGEN SCAVENGING COMPOSITIONS CONTAINING SAME, AND PROCESS FOR MAKING THESE COMPOSITIONS BY ESTERIFICATION OR TRANSESTERIFICATION OF A POLYMER MELT Disclosed is a process for esterifying and/or transesterifying a polymer having a polyethylenic backbone and pendant acid and/or ester moieties comprising contacting a melt of the polymer with a transesterifying compound so that the polymer undergoes esterification ... | 06/14/2005 |
| 6894094 | Phosphite additives in polyolefins The whiteness and stability of a polyolefin have been found to be improved upon addition of a first phosphite, an arylalkyl diphosphite, and a second phosphite selected from a second arylalkyl disphosphite or a triarylphosphite. In addition, the addition of a triary... | 05/17/2005 |
| 6887819 | Compositions that can produce polymers This invention provides compositions that are useful for polymerizing at least one monomer into at least one polymer. ... | 05/03/2005 |
| 6878785 | Organometal compound catalyst This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said cata... | 04/12/2005 |
| 6875835 | Polymerization catalyst systems and processes therefor and therewith A copolymer of ethylene and a higher alpha olefin, preferably 1-hexene, can be produced using an activated chromium containing catalyst system and a cocatalyst selected from the group consisting of trialkylboron, trialkylsiloxyalutninum, and a combination of trialky... | 04/05/2005 |
| 6858687 | Organometal catalyst compositions This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said cata... | 02/22/2005 |
| 6838533 | Organometal catalyst composition This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said cata... | 01/04/2005 |
| 6833338 | Organometal compound catalyst This invention provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer. This invention also provides catalyst compositions that are useful for polymerizing at least one monomer to produce a polymer, wherein said cata... | 12/21/2004 |
| 6831141 | Process for producing polymers A process of using a catalyst composition to polymerize at least one monomer to produce a polymer. The process comprises contacting the catalyst composition and at least one monomer in a polymerization zone under polymerization conditions to produce the polymer. The... | 12/14/2004 |
| 6828268 | Polymerization catalyst systems and processes using alkyl lithium compounds as a cocatalyst A catalyst system composition comprising a chromium compound supported on a silica-titania support, wherein said catalyst system has been reduced with carbon monoxide, and a cocatalyst selected from the group consisting of i) alkyl lithium compounds, ii) dialkyl alu... | 12/07/2004 |
| 6821920 | Polymerization catalysts and processes therefor Novel catalyst systems which comprise diimine nickel complexes comprising additional ligands selected from the group consisting of acetylacetonate, hexaflourylacetylacetonate, halogens and mixtures thereof can be used with methylaluminoxane in slurry polymerization ... | 11/23/2004 |
| 6806324 | High solids slurry polymerization using heat exchange to condense the flashed diluent An olefin polymerization process wherein monomer, diluent and catalyst are circulated in a continuous loop reactor and product slurry is recovered by means of a continuous product take off. The product slurry is exposed to a pressure drop in a flash zone, producing ... | 10/19/2004 |
| 6794552 | Hydrocarbon hydrogenation catalyst and process A catalyst composition is provided which can be used for hydrogenating a highly unsaturated hydrocarbon such as an alkyne or a diolefin. The catalyst composition contains palladium, a catalyst component of either silver or an alkali metal compound, or both silver an... | 09/21/2004 |
| 6790418 | Materials and method for the biological production of sulfuric acid A process and apparatus for the biological production of sulfuric acid are provided. The invention utilizes a pile containing a sulfur material, an acidophilic microbe and, preferably, a packing material. The pile is aerated and contacted with an aqueous solution. | 09/14/2004 |
| 6784332 | Processes employing hydrocarbon conversion catalyst A hydrocarbon conversion process comprising contacting a hydrocarbon stream such as, for example, gasoline, with a catalyst composition to effect the conversion of the hydrocarbon to olefins and C6 to C8 aromatic hydrocarbons such as toluene an... | 08/31/2004 |
| 6750302 | Organometal catalyst compositions A polymerization catalyst is disclosed, wherein the catalyst comprises: (a) a metallocene of Ti, Zr or Hf, (b) an organoaluminum compound, and (c) a treated solid oxide support which comprises fluorine and chromium. ... | 06/15/2004 |
| 6743869 | High polymer solids slurry polymerization employing 1-olefin comonomer An olefin polymerization process wherein monomer, at least one olefin comonomer different from the olefin monomer, diluent and catalyst are circulated in a continuous loop reactor and product slurry is recovered by means of a continuous product take off. The continu... | 06/01/2004 |
| 6737557 | Hydrocarbon upgrading process A process for recovering DCPD from a hydrocarbon feedstock comprising introducing the hydrocarbon feedstock to a first column, recovering an overhead stream from the first column comprising C9− hydrocarbons, recovering a bottom stream from the first col... | 05/18/2004 |
| 6716938 | Polymerization catalyst systems, methods of making and uses therefor A novel magnesium treated silica-containing compound that is useful as a support for chromium based olefin polymerization catalyst systems is provided which produces ethylene polymers having with MWD's that promote good properties particularly in HMW film applicatio... | 04/06/2004 |
| 6713572 | Ethylene copolymerization process A process as disclosed for producing a low density polyethylene using a particle form polymerization process and a titanium-containing catalyst wherein the ratio of comonomer to ethylene is at least about 1:1 and the titanium-containing catalyst is a special catalys... | 03/30/2004 |
| 6689829 | Process for imparting improved whiteness to polyolefin resins Hydroxyalkylamines can, in addition to imparting antistatic properties, significantly improve the color, i.e., the whiteness, of polyolefin resins produced with chromium-based catalysts and metallocene catalysts. Additionally, such compounds can impart im... | 02/10/2004 |
| 6680351 | Phosphite additives in polyolefins A polyolefin composition having high resistance to degradation, said composition formed by combining components comprising at least one polyolefin component produced from a transition metal halide catalyst, bis(2,4-dicumylphenyl)pentaerythritol diphosphit... | 01/20/2004 |
