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| Number | Title | Issue Date |
| 8153730 | Polyolefin blends used as masterbatch concentrates Polyolefin blends and processes for forming polyolefin blends are described. The process generally includes forming of polyolefin blends with acrylic monomer system comprising: providing a polyolefin comprising a first portion and a second portion; providing a conce... | 04/10/2012 |
| 8143352 | Process for fluid phase in-line blending of polymers A process for fluid phase in-line blending of polymers. The process includes providing two or more reactor trains configured in parallel and a separator for product blending and product-feed separation; contacting in at least one of the parallel reactor trains olefi... | 03/27/2012 |
| 8143353 | Polymerization process and adhesives therefrom This invention relates to a propylene polymer comprising a component having a crystallinity of 10% or less and a component having a crystallinity of 20% or more, said propylene polymer having: a) a melting point of X ° C. or more where X=−0.0038(Tp) | 03/27/2012 |
| 8138269 | Polypropylene ethylene-propylene copolymer blends and in-line process to produce them Isotactic polypropylene ethylene-propylene copolymer blends and in-line processes for producing them. The blends may have between 1 and 50 wt % of isotactic polypropylene with a melt flow rate of between 0.5 and 20,000 g/10 min and a melting peak temperature of 145... | 03/20/2012 |
| 8129473 | Polypropylene resin composition A polymer blend includes a first random copolymer of propylene and one or more C2-C20 α-olefins other than propylene having a melting point of above 116° C. and up to about 145° C. and which constitutes from about 60 weight percent to about ... | 03/06/2012 |
| 8129474 | Seal for a dispensing apparatus A seal for a valve for use in a pharmaceutical dispensing device, which seal is formed from a thermoplastic elastomer including a propylene component with isotactic crystallinity. ... | 03/06/2012 |
| 8101687 | Multimodal polyethylene material The present invention relates to a polyethylene resin having a multimodal molecular weight distribution, said resin being further characterized in that it has a density in the range of from about 0.925 g/ccm to about 0.950 g/ccm, a melt index (I2) In the ... | 01/24/2012 |
| 8088867 | Multiple catalyst system for olefin polymerization and polymers produced therefrom The invention relates to a polymer blend prepared by the process of combining under polymerization conditions: (A) a first catalyst capable of producing a first crystalline polymer having an Mw of 100,000 or less, (B) a second catalyst capable of preparing a second ... | 01/03/2012 |
| 8076422 | Coextrudable hot-melt adhesive A hot-melt adhesive for resealable packaging, containing 30 to 90 wt. % of at least one copolymer based on ethylene and/or propylene together with C4 to C12-α-olefins, which is obtainable by metallocene-catalyzed polymerization, with a melt in... | 12/13/2011 |
| 8076421 | Film layers made from polymer formulations Film layers made from formulated polymer compositions are disclosed. Film layers made from such formulated compositions have surprisingly good (for example, low) water vapor transmission rates and are particularly useful for packaging dry goods such as cereal. The p... | 12/13/2011 |
| 8071687 | Multiple catalyst system for olefin polymerization and polymers produced therefrom This invention relates to an adhesive comprising a polymer composition comprising at least 50 mol % of one or more C3 to C40 olefins where the polymer composition has (a) a Dot T-Peel of 1 Newton or more on Kraft paper; (b) an Mw of at least 7000 to 80,000; (c) a br... | 12/06/2011 |
| RE43004 | High melt strength polymers and method of making same A polymer composition that has a backbone chain; and a plurality of long chain branches connected to the backbone is described. The polymer composition also has a value of 2g′LCB-1g′LCB g′2LCB | 12/06/2011 |
| 8058350 | Polypropylene composition A composition comprising: a) 50% to 90% of a propylene (co)polymer having: (i) a polydispersity index >3, (ii) melt flow rate >1 dg/min, and (iii) fraction soluble in xylene at 25° C. >1%, b) 5% to 25% of an ethylene/α-olefin copolymer having: (i) ethylene content... | 11/15/2011 |
| 8039554 | Ethylene-α-olefin copolymer, resin composition containing the same and molded article thereof An ethylene-α-olefin copolymer having monomer units derived from ethylene and monomer units derived from an α-olefin of 3 to 20 carbon atoms, a melt flow rate (MFR) of 0.01 to 4 g/10 minutes, a density of 890 to 970 kg/m3, an activation energy of flow o... | 10/18/2011 |
| 8039556 | HDPE resins for use in pressure pipe and related applications The present invention provides bimodal polyethylene resins in which the high molecular weight ethylene copolymer component typically has a relatively narrow molecular weight distribution, with short chain branching content being substantially constant across its mol... | 10/18/2011 |
| 8039555 | Thermoplastic resin composition and floor tile made of the same The invention provides a thermoplastic resin composition including a thermoplastic resin component (I) in an amount of 100 parts by mass, and a filler (II) in an amount of 1 to 900 parts by mass, wherein the thermoplastic resin component (I) contains a block copolym... | 10/18/2011 |
| 8008403 | Polyethylene and catalyst composition for its preparation A polyethylene which comprises ethylene homopolymers and/or copolymers of ethylene with 1-alkenes and has a molar mass distribution width Mw/Mn of from 5 to 30, a density of from 0.92 to 0.955 g/cm3, a weight average molar mass M | 08/30/2011 |
| 7999039 | High melt strength polymers and method of making same A process of making a polymer is described. The process includes contacting one or more olefinic monomers in the presence of at least a high molecular weight (HMW) catalyst and at least a low molecular weight (LMW) catalyst in a polymerization reactor system; and ef... | 08/16/2011 |
| 7985804 | Rubber toughened compositions, articles, films, and methods of making the same This invention relates to a composition comprising (a) from about 5 to about 50 weight % mEPDM; and (b) from about 95 weight % to about 50 weight % of a first mPE, wherein the weight % is based on the total weight of the mEPDM and the mPE. This invention further rel... | 07/26/2011 |
| 7981967 | Composition suitable for high gloss blown film and films made therefrom The invention is directed to a composition suitable for high gloss air quenched blown films. The films are comprised of from 2 to 15 percent by weight of a substantially isotactic propylene-based copolymer having a melt flow rate of at least 5 g/10 minutes and havin... | 07/19/2011 |
| 7964672 | High strength thermoplastic elastomers with high filler loading A high strength thermoplastic vulcanizate (TPV) composition is provided. The TPV includes a dispersed rubber component, a polyolefinic thermoplastic resin component, a propylene copolymer and mineral filler present in the amount of 20 wt % to 70 wt % based on total ... | 06/21/2011 |
| 7947783 | Polyethylene composition for injection moulding with improved stress crack/stiffness relation and impact resistance The present invention relates to a polyethylene composition wherein (i) the composition has an MFR2 of 0.05 to 100 g/10 min, (ii) the environmental stress crack resistance ESCR measured in hours according to ASTM 1693, condition B and E-modulus EM measure... | 05/24/2011 |
| 7943701 | Fibers and non-wovens prepared with propylene-based elastomers A nonwoven fabric made from a composition comprising (a) a propylene-based elastomer characterized by including from about 5% to about 35% by weight units deriving from alpha-olefin and a heat of fusion, as determined by DSC, of less than 80 J/g, (b) a propylene-bas... | 05/17/2011 |
| 7943702 | Thermoplastic compositions and method of use thereof for molded articles A polyolefin composition containing elastomers (plasticizers), crystalline polypropylene, modified by mixing with polybutene-1 and a coupling agent and a bicyclic dicarboxyl acid salt nucleating agent and/or a lubricant which comprises an unsaturated fatty acid este... | 05/17/2011 |
| 7943700 | Enhanced ESCR of HDPE resins Disclosed are polyethylene (“PE”) compositions, articles comprising PE compositions, and methods of making blended PE compositions, wherein the blended composition comprises from about 80 to about 95 weight % of a first PE and from about 5 to about 20 weight % o... | 05/17/2011 |
| RE42276 | High melt strength polymers and method of making same A polymer composition comprises: (a) a high molecular weight, branched component; and (b) a low molecular weight, branched component. Some polymer compositions are characterized by a substantial absent of amyl or methyl branches and a melt strength (MS) that satisfi... | 04/05/2011 |
| 7919561 | Process of producing thermoplastic polymer blends A process is described for producing a polymer blend comprising (a) a first polymer component comprising a crystalline propylene polymer and (b) a second polymer component comprising a copolymer of propylene with at least one comonomer, wherein the copolymer compris... | 04/05/2011 |
| 7884159 | Propylene polymer composition, film, stretched film, shrink film and a method for producing shrink package A propylene polymer resin composition characterized in that it has a flexural modulus in the range of 200 to 1200 MPa and a melt flow rate (MFR) measured at 230° C. in the range of 0.1 to 30 g/min, and a melt tension (MT (mN)) and an MFR (g/10 min) measured at 230... | 02/08/2011 |
| 7868096 | Thermoplastic vulcanizates and processes for making the same A process for producing thermoplastic vulcanizates, the process comprising (i) dynamically vulcanizing a rubber with a curative in a first stage, where the rubber is within a blend that includes the rubber, a thermoplastic resin, and the curative, where said step of... | 01/11/2011 |
| 7863386 | Low density ethylenic polymer composition and method of making the same The instant invention is an improved low-density ethylenic polymer composition and method of making the same. The polymer composition according to instant invention includes a major component, and a minor component. The major component is an LDPE resin having a melt... | 01/04/2011 |
| 7858705 | Functionalised polyolefins, moisture curable polyolefin resins and processes of manufacturer thereof A process for preparing a functionalised polyolefin is described. The process comprises the step of reacting: (i) a polyolefin, (ii) a compound containing a functional group, and (iii) a coagent compound having Formula I: Xn—Y—Zm... | 12/28/2010 |
| 7855255 | Preparation of multimodal polyethylene Disclosed is a polyethylene composition. The composition comprises single-site multimodal resin A and single-site multimodal resin B, wherein resin A differs from resin B in molecular weight, in monomeric composition, in density, in long chain branch concentration o... | 12/21/2010 |
| 7847029 | Elastomeric resin compositions with improved resistance to draw resonance This invention relates to polyolefin compositions. In particular, the invention pertains to elastic polymer compositions that can be more easily processed on cast film lines, extrusion lamination or coating lines due to improved resistance to draw resonance. The com... | 12/07/2010 |
| 7820763 | Rubber composition and golf ball including the same as rubber base material A rubber composition comprises a rubber component. The rubber component contains (A) 1-70 weight parts of polybutadiene rubber having a Mooney viscosity (ML) of 35-50 and composed of (a) 1-9 weight % of a boiled n-hexane insoluble fraction having a melting point of ... | 10/26/2010 |
| 7816456 | Semicrystalline propylene polymer composition for producing biaxially stretched polypropylene films The present invention relates to a semicrystalline propylene polymer composition prepared by polymerizing propylene, ethylene and/or C4-C18-1-alkenes, where at least 50 mol % of the monomer units present stem from the polymerization of propylen... | 10/19/2010 |
| 7812094 | Polymer blend The invention relates to a polymer blend suitable for the production of film, said polymer blend comprising at least (1) a multimodal high density polyethylene (HDPE) composition and (2) a low density polyethylene (LDPE) polymer, a linear low density polyethylene (L... | 10/12/2010 |
| 7812095 | Polyethylene pipe fitting resins A polyethylene resin suitable for formation into pipes or pipe fittings is disclosed, having an MI5 of from 0.40 to 0.70 g/10 min, and comprising from 47 to 52 wt % of a low molecular weight polyethylene fraction, and from 48 to 53 wt % of a high molecular weight po... | 10/12/2010 |
| 7795352 | Polyolefinic compositions having good whitening resistance A polypropylene composition comprising (percent by weight) (a) 50-77% of a crystalline propylene polymer having an amount of isotactic pentads (mmmm), measured by 13C-MNR on the fraction insoluble in xylene at 25° C., higher than 97.5 molar ... | 09/14/2010 |
| 7781530 | Polymeric compositions including their uses and methods of production Polymeric compositions and methods of making and using such compositions are provided. The compositions incorporate a first component that is an isobutylene-based polymer and a second component having propylene-derived units and polyene derived units. The polymeric ... | 08/24/2010 |
| 7767761 | Compositions obtained from recycled polyolefins Polyolefin compositions comprising, by weight: A) 30-80% of a polyolefin component containing not less than 80% of a waste material selected from polyethylene, polypropylene or their mixtures; B) 20-70% of a heterophasic polyolefin composition having flexural modulu... | 08/03/2010 |
