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| Number | Title | Issue Date |
| 7671106 | Cap liners, closures and gaskets from multi-block polymers A polymer composition comprises at least an ethylene/α-olefin interpolymer and at least one other polymer. The other polymer can be selected from a second ethylene/α-olefin interpolymer, an elastomer, a polyolefin, a polar polymer, and an ethylene/carboxylic acid ... | 03/02/2010 |
| 7666918 | Foams made from interpolymers of ethylene/α-olefins Foamable compositions and foams comprise at least an ethylene/α-olefin interpolymer. The foam has a density from greater than 150 to about 500 kg/m3. The foamable compositions further comprise a blowing agent and a crosslinking agent. The ethylene/α-ole... | 02/23/2010 |
| 7557147 | Soft foams made from interpolymers of ethylene/alpha-olefins Foamable compositions and soft foams comprise at least an ethylene/α-olefin interpolymer. The soft foam has a density from about 10 to 150 kg/m3. The foamable compositions further comprise a blowing agent. The ethylene/α-olefin interpolymers are a multi... | 07/07/2009 |
| 7427321 | Foamed fireproofing composition and method Disclosed are formulations adapted to form a foamed cementitious composition, the foamed cementitious composition itself, a method of forming a hydraulic binder foam, and a method of conveying and applying the resulting foam to a substrate. A pumpable cementitious s... | 09/23/2008 |
| 7361693 | Low density polymer beads Low density polymeric beads made by polymerizing monomeric building blocks into large crosslinked polymer molecules in porous, spherical bead form by droplet or suspension polymerization in the presence of a porogen. ... | 04/22/2008 |
| 7361694 | Durable foam of olefin polymers, methods of making foam and articles prepared from same Olefin polymer-based, durable, open-cell foam compositions, structures and articles derived from same; methods for preparation of such foams; and use of the dry durable foams in various applications are disclosed. Further described is use of the foams and structures... | 04/22/2008 |
| 7332531 | Microporous high density polyethylene film Disclosed is a microporous high density polyethylene film for a battery separator and a method of producing the same. The microporous high density polyethylene film includes high density polyethylene with a weight average molecular weight of 2×105-5×10 | 02/19/2008 |
| 7291677 | Adherent, modified thermoplastic elastomeric blends, articles, and methods A thermoplastic elastomer that is adherent to polar materials may be made from a dynamically vulcanized blend of propylene resin, ethylene/alpha-olefin/non-conjugated diene elastomers, and a bonding agent via a curing system containing a free radical initiator, at l... | 11/06/2007 |
| 7238765 | High density polyethylene and insulation compositions for wire and cable High density polyethylene having reduced melt elasticity and a reduced level of highly short-chain branched polymer molecules and wire and cable insulation compositions based thereon having improved strippability and oxidative stability are provided. ... | 07/03/2007 |
| 7183332 | Process for the preparation of porous polymers and polymers obtainable thereof A process for preparing porous olefin polymers comprising bringing into contact in a polymerization reactor, at a temperature T1, one or more olefins of the formula (I) CH2═CHR1, R1 being hydrogen, a C1–C | 02/27/2007 |
| 7153571 | Silane crosslinkable polyethylene Crosslinkable or crosslinked polymer compositions are provided, the compositions including a copolymer of ethylene and C3 to C12 alpha-olefin comonomer, the copolymer having a CDBI of at least 70%, a melt index I2.16 of from 0.1 to 1... | 12/26/2006 |
| 7087697 | Crosslinkable polyethylene composition Composition based on a crosslinkable polyethylene comprising from 0.05 to 0.24 hydrolysable silane groups per 100 —CH2— units and having a standard density SD of at least 954 kg/m3 and a melt flow index MI5 of less than 1.5 g/10 ... | 08/08/2006 |
| 6971211 | Cellulosic/polymer composite material The present invention is a component such as a siding panel that may be comprised of various formulations of cellulosic/polymer composite materials. One embodiment of the present invention is a siding panel that is comprised of a cellulosic/PVC composite material. T... | 12/06/2005 |
| 6946203 | Multilayer polyolefin substrate with low density core and stiff outer layers A biaxially oriented thermoplastic structure including a low density core layer formed from polypropylene, highly crystalline polypropylene or high density polyethylene, and outer layers formed from highly crystalline polypropylene or high density polyethylene. The ... | 09/20/2005 |
| 6930133 | Low density polymer beads Low density polymeric beads made by polymerizing monomeric building blocks into large crosslinked polymer molecules in porous, spherical bead form by droplet or suspension polymerization in the presence of a porogen. ... | 08/16/2005 |
| 6914085 | Expanded polypropylene granule composition Expanded granules or a moulded article made therefrom, based on semicrystalline propylene polymer comprising, per 100 parts by weight, less than 0.035 parts by weight of volatile compounds and processes for its preparation. ... | 07/05/2005 |
| 6908668 | Foamed polyolefin resin sheet An object of the present invention is to provide a foamed polyolefin resin sheet which exhibits a high adhesive strength when laminated with a layer formed of a saponified ethylene-vinyl ester copolymer and which still exhibits a high adhesive strength even when lam... | 06/21/2005 |
| 6887912 | Compatible linear and branched ethylenic polymers and foams therefrom An expanded cellular ethylenic polymer product is provided from an irradiated, noncross-linked linear ethylenic polymer. Linear ethylenic polymers can be irradiated at ambient conditions sufficient to introduce branching in the polymer in the absence of detectable c... | 05/03/2005 |
| 6841583 | Composition and uses thereof A composition that has an ethylene/α-olefin copolymer (A), a blowing agent (B), and optionally, an organic peroxide and a crosslinking assistant. The ethylene/α-olefin copolymer (A) has an ethylene/α-olefin copolymer (A1) having a density of not less than 0.880 g... | 01/11/2005 |
| 6800669 | Propylene copolymer foams A foam comprising a propylene copolymer material comprising at least 50 weight percent of units derived from propylene, based on the total propylene copolymer material, and units derived from ethylenically unsaturated comonomers and having a melt flow rate in the ra... | 10/05/2004 |
| 6734218 | Process for producing foamed rubber There are provided: (i) a process for producing a foamed rubber having a density of less than 0.50 g/cm3, which comprises the step of foaming and cross-linking a rubber composition containing (i) an ethylene-α-olefin copolymer rubber, (ii) a vulca... | 05/11/2004 |
| 6720364 | Elastomeric composition for preparing olefinic elastomer crosslinked foam and use thereof The elastomeric composition for preparing an olefinic elastomer crosslinked foam according to the present invention contains an ethylene/α-olefin copolymer (A) having a specific density and MFR, an organic peroxide (D), a crosslinking assistant (E), a foaming agent... | 04/13/2004 |
| 6699421 | Method for forming foamed polypropylene resin sheet and foamed formed article Provided are a method for forming a foamed polypropylene resin sheet in which draw down and waving are not caused in heating the foamed sheet and in which inferior appearance such as partial thickness and wrinkles is not produced on the product, and a foa... | 03/02/2004 |
| 6689465 | Porous beads and process for producing the same Disclosed is substantially spherical porous beads of an aromatic polyether ketone resin, which have an average particle diameter of 50 to 5,000 μm and a porosity of 40 to 99%. Also disclosed is a method for producing porous beads, which comprises: mixing... | 02/10/2004 |
| 6617366 | Crosslinked olefin elastomer foam and elastomer composition therefor A crosslinked olefin elastomer foam has a specific gravity of 0.05 to 0.2, an expansion ratio of 8 to 15, a compression set of 30 to 60% and a tear strength of 1.5 to 2.5 kg/cm. The crosslinked foam is obtained by heating an elastomer composition comprisi... | 09/09/2003 |
| 6608116 | Polymeric closure comprising foamed polyethylene or ethylene copolymer and a resilient compound A foamed closure for a container, wherein the closure consists essentially of (a) a major proportion of at least one material selected from the group consisting of polyethylene and copolymers of ethylene; and (b) a minor proportion of at least one resilie... | 08/19/2003 |
| 6593386 | Compitable linear and branched ethylenic polymers and foams therefrom An expanded cellular ethylenic polymer product is provided from an irradiated, noncross-linked linear ethylenic polymer. Linear ethylenic polymers can be irradiated at ambient conditions sufficient to introduce branching in the polymer in the absence of d... | 07/15/2003 |
| 6559194 | Polyolefin products and process additives therefor having reduced transfer to substrates A process additive for polyolefin films and foams produces products having reduced aging time and reduced greasiness and reduced grease-like transfer as compared to glycerol monostearate (GMS). Carbon dioxide based blowing agents are suitable. The process... | 05/06/2003 |
| 6518320 | Polyolefin products and process additives therefor having reduced transfer to substrates A process additive for polyolefin films and foams produces products having reduced aging time and reduced greasiness and reduced grease-like transfer as compared to glycerol monostearate (GMS). Carbon dioxide based blowing agents are suitable. The process... | 02/11/2003 |
| 6455602 | High-speed processable cellular insulation material with enhanced foamability An expandable composition comprising: (A) about 60 to about 98 percent by weight of a polyolefin or mixture of polyolefins wherein the polyolefin or mixture has an η0 of less than about 9.0 kilopascal.seconds (kPa.s), a Jr greater than about 50×10-... | 09/24/2002 |
| 6417242 | Propylene polymer foams The present invention relates to a foam, a process for preparing the foam and an article containing the foam. The foam contains a coupled propylene polymer and has a density in of from 9.6 to 801 kg/m3 and has either a foamability factor of mor... | 07/09/2002 |
| 6384096 | Product made of compliant crosslinked polyolefin foam The product made of crosslinked polyolefin foam of the invention is characterized by a compression of at most 7 N/cm2, measured according to the ASTM D 1667 standard with a degree of compression of 30% and a rate of compression of 10 mm/minute,... | 05/07/2002 |
| 6384290 | Oil-extended copolymers for sponge An oil-extended copolymer for sponge comprising an ethylene--olefin nonconjugated diene copolymer satisfying the following conditions (1) to (4), and an extender oil in an amount of 10 to 90 parts by weight based on 100 parts by weight of said copo... | 05/07/2002 |
| 6331576 | Surface-decorated foam skin of cross-linked rubbery soft olefin resin A surface decorated foam skin of cross-linked rubbery soft olefin resin, comprising rubbery soft olefin resin, characterizing by having (1) an average cell diameter of 50 to 400 μm, (2) a crystallinity of 5 to 40% (3) a hysteresis loss of 35% or lower, and (4) an ... | 12/18/2001 |
| 6316512 | Silane-grafted materials for solid and foam applications New cross-linked polymeric foam compositions, and methods for making the same, are provided. The new compositions utilize novel cross-linked polyolefin copolymers and show improvements in strength, toughness, flexibility, heat resistance and heat-sealing ... | 11/13/2001 |
| 6316511 | Polyethylene closure for a container A polymeric closure for a container comprising a foamed polyethylene, wherein said polyethylene prior to foaming has: 1) a density of between 0.910 g/cm3 and 0.885 g/cm3 ; ii) a molecular weight distribution of 2 or less; and iii) a ... | 11/13/2001 |
| 6313184 | Expanded polypropylene resin beads and a molded article Propylene resin beads for molding expansion molded articles having improved high temperature resistance include as base resin metallocene-catalyzed copolymers of propylene with at least one or more of ethylene and .varies.-olefins of 4 to 20 carbon atoms.... | 11/06/2001 |
| 6310112 | Hydrogenated vinyl aromatic polymer foams This invention provides a thermoplastic polymer foam having a density of up to 800 kg/m3. The foam is made from a hydrogenated vinyl aromatic polymer that contains pendant cycloaliphatic groups. This polymer is conveniently made by hydrogenatin... | 10/30/2001 |
| 6262137 | Polymer articles including maleic anhydride and ethylene-vinyl acetate copolymers Polymer articles including ethylene-vinyl acetate and maleic anhydride are described. The ethylene-vinyl acetate can be a high vinyl acetate content ethylene-vinyl acetate. The articles include foamed articles and non-foamed articles. The foamed articles ... | 07/17/2001 |
| 6197841 | Crosslinked ethylene-olefin copolymer foams A crosslinked ethylene-olefin copolymer foam and a method for the production thereof are disclosed. The foam having a gel content of 70 to 99%, an apparent density of 0.2 to 0.02 g/cm3, 25% compression set at 40° C. of 0.1 to 20.0%, 25% compre... | 03/06/2001 |
