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| Number | Title | Issue Date |
| 8158690 | Temperature-sensitive active ingredient compositions for reducing the density of plastics The invention relates to an active ingredient composition which has a high content in thermosensitive foaming agents and one or more polyolefin resins, the portion which is larger in quantity being a metallocene and optionally the remaining resins being polar or non... | 04/17/2012 |
| 8129438 | Method for producing foamed polyolefin resin beads Foamed polyolefin resin beads having antistatic properties obtained by a process, which includes dispersing polyolefin resin beads into an aqueous medium, injecting a blowing agent, stirring and allowing the polyolefin resin beads to foam and expand. The polyolefin ... | 03/06/2012 |
| 8076380 | Particulate expandable polystyrene (EPS), process for making particulate expandable polystyrene, as well as a particular application of polystyrene foam material The present invention relates to a particulate expandable polystyrene (EPS) that can be processed into a foam with a fine cell structure and a low density and contains a material for increasing the thermal insulation value, to improve the thermal insulation value he... | 12/13/2011 |
| 8058320 | Thermally foamable microsphere, production method thereof, use thereof, composition containing the same, and article A thermally foamable microsphere having a structure that a foaming agent is encapsulated in an outer shell formed from a polymer, wherein the foaming agent contains isododecane, and a production process of the thermally foamable microsphere by a suspension polymeriz... | 11/15/2011 |
| 8034847 | Compositions containing expandable microspheres and an ionic compound, as well as methods of making and using the same This invention relates to composition containing expandable microspheres and at least one ionic compound and having a zeta potential that is greater than or equal to zero mV at a pH of about 9.0 or less at an ionic strength of from 10−6 M to 0.1M., as w... | 10/11/2011 |
| 8030365 | Compositions containing expandable microspheres and an ionic compound as well as methods of making and using the same This invention relates to composition containing expandable microspheres and at least one ionic compound and having a zeta potential that is greater than or equal to zero mV at a pH of about 9.0 or less at an ionic strength of from 10−6 M to 0.1M., as w... | 10/04/2011 |
| 7994229 | Thermo-expansive microspheres, their production process and their application The present invention provides a process for producing thermo-expansive microspheres comprising a thermoplastic resinous shell and a blowing agent being encapsulated in the shell, the blowing agent which is a fluorine-containing C2-10 compound having ethe... | 08/09/2011 |
| 7956096 | Microspheres The invention relates to thermally expandable thermoplastic microspheres comprising a polymer shell made from ethylenically unsaturated monomers encapsulating a propellant, said ethylenically unsaturated monomers comprising from 40 to 70 wt % of acrylonitrile, from ... | 06/07/2011 |
| 7902265 | Rubber composition for tire A rubber composition for a tire containing (i) 100 parts by weight of a diene-based rubber and (ii) 0.5 to 25 parts by weight of a heat-expandable microcapsule including a shell, and a substance capable of vaporizing or expanding under heating to thereby generate a ... | 03/08/2011 |
| 7825165 | Process or improving the insulating capacity of expanded vinyl aromatic polymers and the products thus obtained Process for improving the insulating capacity of expanded vinyl aromatic which comprises: 1) preparing beads of expandable vinyl aromatic polymers containing 1-10% by weight, calculated with respect to the polymer, of an expanding agent englobed in the ... | 11/02/2010 |
| 7767724 | Expandable resin beads of styrene-modified straight-chain and low-density polyethylene, process for production thereof, pre-expand beads, and foams According to the present invention, there is provided expandable beads of a styrene-modified linear low-density polyethylene-based resin comprising a volatile blowing agent and a base resin, the base resin containing more than 300 parts by weight and less than 1000 ... | 08/03/2010 |
| 7767723 | Expandable resin particles of styrene-modified straight-chain and low-density polyethylenne, process the production thereof, pre-expanded particles, and foams According to the present invention, there is provided expandable beads of a styrene-modified linear low-density polyethylene-based resin comprising a volatile blowing agent and a base resin, the base resin containing more than 50 to 1000 parts by weight of a polysty... | 08/03/2010 |
| 7714029 | Method of producing expandable polystyrene beads which have excellent heat insulation properties An expandable polystyrene bead production method, which is a two-step process, is disclosed. The method includes obtaining suspendable, homogenous micropellets from a mixed composition prepared by mixing graphite particles with a styrene-based resin and extruding th... | 05/11/2010 |
| 7683101 | Pre-expanded particle of olefin-modified polystyrene resin, process for producing the same, and molded foam A pre-expanded beads of olefin-modified polystyrene-based resin comprising a pie-expanded beads of a polystyrene-based resin modified with a polyolefin-based resin, wherein a styrene-based monomer forming a polystyrene-based resin in the beads is used in the range o... | 03/23/2010 |
| 7678839 | Expanded polypropylene resin beads, method of producing foam molding of expanded polypropylene resin beads and foam molding obtained by the method Expanded beads including cell walls which define a plurality of cells and which comprise a base resin containing a polypropylene resin, each of the beads having a through hole extending therein from one end to the other end. The expanded beads have a maximum diamete... | 03/16/2010 |
| 7612119 | Expandable vinylaromatic polymers and process for their preparation Expandable vinylaromatic polymers which comprise: a) a matrix obtained by polymerizing 50-100% by weight of one or more vinylaromatic monomers and 0-50% by weight of a copolymerizable monomer; b) 1-10% by weight, calculated with respect to the polymer (a) of an expa... | 11/03/2009 |
| 7579384 | Expanded molded article having voids An expanded molded article having a void percentage of 5 to 50%, the molded article comprising 50 to 800 parts by weight of styrene-based resin relative to 100 parts by weight of non-crosslinked linear low-density polyethylene-based resin which can be obtained by us... | 08/25/2009 |
| 7560498 | Process of producing foamed molding from expanded polypropylene resin beads and process of producing expanded polypropylene resin beads A process of producing a foamed molding, wherein expanded, substantially non-crosslinked polypropylene-based resin beads are heated in a mold to fuse-bond the beads together into a unitary body. Each of the expanded beads has been surface-modified with an organic pe... | 07/14/2009 |
| 7456227 | Polymer particles and related articles Process for preparing polymer, e.g. polystyrene, particles that may not or may contain a water-retaining agent and that require only a one-step process for incorporating the water-retaining agent. The polymer particles may be prepared via an extrusion process, or a ... | 11/25/2008 |
| 7378453 | Surface crosslinking treatment method of water-absorbing resin powder A surface crosslinking treatment method of a water-absorbing resin powder is disclosed that can overcome various problems in production encountered in the production of surface crosslinked water-absorbing resin powders on an industrial scale and can produce a water-... | 05/27/2008 |
| 7358280 | Process for processing expandable polymer particles and foam article thereof Process for processing expandable polymer particles e.g. polystyrene (EPS) that eliminates the maturing step between the pre-expander and molding steps. The expandable particles are first over pressurized with gas, e.g. air, carbon dioxide, nitrogen, and mixtures th... | 04/15/2008 |
| 7351752 | Thermo-expansive microspheres, their production process and their application The present invention provides thermo-expansive microspheres comprising thermoplastic resinous shell and a blowing agent being encapsulated in the shell, the blowing agent which is a fluorine-containing C2-10 compound having ether linkage, being free of c... | 04/01/2008 |
| 7335279 | Low density paperboard articles The invention provides a low density paperboard material and associated method for use in producing an insulated container, and is especially well-suited for making cups. The paperboard material comprises a paperboard web including wood fibers and expanded microsphe... | 02/26/2008 |
| 7329402 | Methods of imaging and treatment Novel ultrasound methods comprising administering to a patient a targeted vesicle composition which comprises vesicles comprising a lipid, protein or polymer, encapsulating a gas, in combination with a targeting ligand, and scanning the patient using ultrasound. The... | 02/12/2008 |
| 7323540 | Process for preparing microrods using liquid-liquid dispersion The invention provides a method for forming polymer microrods, the method including the steps of providing a polymer solution comprising a polymer dissolved in a first solvent; providing a dispersion medium comprising a second solvent, wherein the first solvent and ... | 01/29/2008 |
| 7319114 | Hollow polymer particles, method for preparing hollow polymer particles, porous ceramic filter, and method for preparing porous ceramic filter Hollow polymer particles are provided to have an average particle diameter of 15 μm or more and 500 μm or less and a 10%-compressive strength of 1.5 MPa or more, and the hollow polymer particle includes a hollow portion in the interior. In addition, a porous ceram... | 01/15/2008 |
| 7300973 | Composition for recovering hydrocarbon fluids from a subterranean reservoir A composition comprising expandable cross linked polymeric microparticles having an unexpanded volume average particle size diameter of from about 0.05 to about 10 microns and a cross linking agent content of about 6,000 to less than about 9,000 ppm of labile cross ... | 11/27/2007 |
| 7300960 | Expandable polypropylene resin particle and molded object obtained therefrom by in-mold molding A specific relationship must be met in case of: (a) a structural unit derived from propylene is present in 100 to 85 mole %, and a structural unit derived from ethylene and/or alpha-olefin with 4 to 20 carbons is present in 0 to 15... | 11/27/2007 |
| 7294655 | Coating composition for thermoplastic resin particles for forming foam containers Expandable or pre-expanded thermoplastic particles, e.g. polystyrene particles, used to form foam containers e.g. cups, bowls, are coated with a coating composition comprising a liquid part consisting of a) liquid polyethylene glycol with an average molecular weight... | 11/13/2007 |
| 7288147 | Providing freezing and thawing resistance to cementitious compositions An improved freeze-thaw durability wet cast cementitious composition is provided that uses in-situ production of gas by gas generating additives and optionally polymeric microspheres that are blended directly into the mixture. The gas generating additives and the po... | 10/30/2007 |
| 7282262 | Particulate water absorbent containing water absorbent resin as a main component The particulate water absorbent has a cross-linking structure therein, and contains (i) a particulate water absorbent resin having a cross-linking structure on a surface therof and (ii) not less than 0.001 mass % and less than 10 mass % of anorganic acid multivalent... | 10/16/2007 |
| 7279504 | Expandable vinylaromatic polymers and process for their preparation Expandable vinylaromatic polymers which comprise: a) a matrix obtained by polymerizing 50-100% by weight of one or more vinylaromatic monomers and 0.50% by weight of a copolymerizable monomer; b) 1-10% by weight, calculated with respect to the polymer (a), of an exp... | 10/09/2007 |
| 7271202 | Reactive hot melt adhesive The invention is a reactive hot melt composition which has excellent adhesion and curing properties, and can be formulated into free-flowing pellets or beads, by using an ethylene-acrylic acid copolymer, and athylene-methacrylic acid copolymer, and/or an ethylene-ac... | 09/18/2007 |
| 7259189 | Expanded polypropylene resin beads and process for the production thereof A process for the production of expanded beads, including kneading a base resin containing a polypropylene resin and having a tensile modulus of at least 1,200 MPa together with a mixture of a coloring agent and a thermoplastic polymer having a tensile modulus lower... | 08/21/2007 |
| 7252882 | Thermally foamable microsphere and production process thereof The invention provides a thermally foamable microsphere whose shell is formed of a polymer that is obtained by the polymerization of a polymerizable monomer and a crosslinkable monomer at a proportion of greater than 1% by weight up to 5% by weight based on the poly... | 08/07/2007 |
| 7241816 | Expandable styrene resin particles, expandable beads, and foamed article A process of producing expandable styrene resin particles, wherein in suspension polymerization of styrene monomers, the concentration of oxygen in a reaction vessel is kept low at least in a late stage of the polymerization, and the resulting styrene resin particle... | 07/10/2007 |
| 7235297 | Amphiphile solid support for peptide synthesis, bioorganic and organic chemistry The present invention fulfils desired specifications generally rarely encountered with existing solid supports such as highly amphiphile behaviour. The solid support described herein is a poly(ethylene or propylene)glycol based polymer that can be useful in solid an... | 06/26/2007 |
| 7232607 | Thermally foamable microsphere and production process thereof The invention provides a thermally foamable micro-sphere whose shell is formed of a polymer that is obtained by the polymerization of a polymerizable monomer and a crosslinkable monomer at a proportion of greater than 1% by weight up to 5% by weight based on the pol... | 06/19/2007 |
| 7220821 | Process for the reduction of the residual monomer content of water-absorbent foam A process for the reduction of the residual monomer content and enhancement of the wet strength of articles formed from water absorbent crosslinked polymer foams containing units derived from monoethylenically unsaturated acids, which comprises treating the formed a... | 05/22/2007 |
| 7218877 | Charging device, and process cartridge and image forming apparatus including the charging device using the same A charging device including a charging roller having a metal cylinder and an elastic layer located thereon, and a cleaner for cleaning the surface of the charging roller. The cleaner includes a driving shaft and a cleaning roller which is rotatably mounted on the dr... | 05/15/2007 |
