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| Number | Title | Issue Date |
| 7691939 | Polyolefin composition having a high balance of stiffness and impact strength A polyolefin composition comprising (percentage by weight): (A) from 60 to 85% of a broad molecular weight distribution propylene polymer (component A) having a polydispersity index from 5 to 15 and melt flow rate of from 20 to 78 g/10 min (according to ASTM-D 1238,... | 04/06/2010 |
| 7687573 | Water-dispersible polyolefin resin composition Provided is a water dispersible polyolefin resin composition which is capable of forming a coating film having a smooth solidified surface when applied onto a substrate and which has excellent storage stability. The water dispersible polyolefin resin composition con... | 03/30/2010 |
| 7442742 | Masterbatch composition A masterbatch composition is provided that includes a colorant, a thermoplastic carrier, a metallocene polymer processing aid, and optionally an additive. Also provided is a method for making a masterbatch composition and a method for making a colorized polymer.... | 10/28/2008 |
| 7351758 | Addictive composition and articles containing the same Clarified polyolefins such as polypropylene are used widely to make polymer articles, containers, and the like. Such articles may be manufactured by the injection of molten polymer into a mold or forming device in manufacturing processes at high rates. A clarified c... | 04/01/2008 |
| 7300968 | Flash spinning solution and flash spinning process using straight chain hydrofluorocarbon co-solvents A spin fluid for producing plexifilamentary products made of a polyolefin dissolved in a primary solvent of dicloromethane or 1,2-dichloroethylene with a straight chain hydrofluorocarbon co-solvent. ... | 11/27/2007 |
| 7291669 | Stabilized polyolefin compositions Polyolefin compositions comprising a particular hindered phenolic antioxidant selected from the group consisting of tris(3,5-di-tert-butyl-4-hydroxybenzyl)isocyanurate, 1,3,5-tris-(3,5-di -tert-butyl-4-hydroxybenzyl)-2,4,6-trimethylbenzene and the calcium salt of th... | 11/06/2007 |
| 7244777 | Nucleated polyolefins and preparation thereof The present invention provides nucleated polyolefins using shellac based nucleating agents wherein the nucleated polyolefins obtained have improved crystallization temperature (Tc) and smaller spherulitic size and hence improved transparency characteristics. ... | 07/17/2007 |
| 7208536 | Polypropylene resin composition with anti-scratch characteristics The present invention provides a propylene resin composition having excellent anti-scratch characteristic. Specifically, provided is a polyolefin resin composition comprising a high crystalline polypropylene resin, a rubber component, an inorganic filler and an alum... | 04/24/2007 |
| 7192998 | Additive for rendering inert acidic or halogen-containing compounds contained in olefin polymers A process for producing olefin polymers, which comprises the steps of polymerizing an olefin monomer in a polymerization zone in the presence of a catalyst comprising a transition metal compound to form an olefin polymer, and adding at the end of or downstream from ... | 03/20/2007 |
| 7192909 | Use of polyolefin waxes in the field of plastics processing The invention relates to the use of polyolefin waxes as external lubricants and release agents for plastics. Said polyolefin waxes are produced by using metallocene catalysts, whereby the polyolefin waxes are homopolymerizates of ethylene or are copolymerizates of e... | 03/20/2007 |
| 7078450 | Concentrates of saturated bicyclic dicarboxylate salts to facilitate use thereof as polymer nucleation additives Concentrates (also known as masterbatches) of certain bicyclic dicarboxylate salt thermoplastic nucleating additives in order to facilitate use thereof in typical thermoplastic manufacturing procedures are provided. Such nucleating additives have been found to impar... | 07/18/2006 |
| 7049361 | Polyolefin series resinfilm, composition for preparing the same, process for preparing the composition for preparing the same, and apparatus for preparing the same The polyolefin [A] has a weight average molecular chain length of 2850 nm or longer and a density ρ1 (g/cm3), the polyolefin wax [B] has a weight average molecular weight of 700–6000 and a density ρ2 (g/cm3), the polyolefin an... | 05/23/2006 |
| 7041742 | Impact modified thermoplastic olefin compositions The present invention provides impact modified thermoplastic olefin (“TPO”) compositions that exhibit both stiffness and toughness. TPO compositions according to the invention include a polyolefin homopolymer resin such as polypropylene, from about 17% by weight... | 05/09/2006 |
| 7019055 | Stabilization of polymers after exposure to oxidation A polymer of polyvinyl chloride, polyvinylidene chloride, polycarbonate, polyethylene, polypropylene, polyimide, polyester, or polyvinyl acetate contains about 0.005 to about 10 phr of a stabilizer to prevent discoloration due to oxidation, particularly gamma radiat... | 03/28/2006 |
| 6995202 | Methods of nucleating thermoplastics using concentrates of saturated bicyclic dicarboxylate salts Concentrates (also known as masterbatches) of certain bicyclic dicarboxylate salt thermoplastic nucleating additives in order to facilitate use thereof in typical thermoplastic manufacturing procedures are provided. Such nucleating additives have been found to impar... | 02/07/2006 |
| 6992128 | Highly active β-nucleating additive for polypropylene The invention relates to a method for enhancing the fraction of β-crystal modification in polypropylene by compounding nanocrystalline substances. A β-fraction of 50–100% is achieved with said method. The compounds are characterized by improved mechanical proper... | 01/31/2006 |
| 6894093 | Materials free of endorine disruptive chemicals The present invention describes plastic materials and food additives that are free or substantially free from endocrine disruptive chemicals. The plastic materials may be used in products which are exposed to individuals in which endocrine disruptive activity is par... | 05/17/2005 |
| 6879861 | Polymeric materials with improved dielectric breakdown strength A novel polymeric electrically insulating material that includes a linked voltage stabilizing agent. Also provided are methods of making the novel material and articles and devices that incorporate the novel material, particularly implantable medical devices. ... | 04/12/2005 |
| 6855756 | Flexible polypropylene resin The present invention relates to a soft polypropylene resin having a melt index falling in a specific range, prepared by melting and kneading a substantial propylene homopolymer or a propylene copolymer composition each having specific properties in the presence of ... | 02/15/2005 |
| 6843939 | UV stabilizing additive composition This invention relates to an UV stabilizing additive composition comprising an ortho-hydroxy triazine compound, a hindered hydroxybenzoate compound and optionally a hindered amine compound. This additive composition may be used to stabilize materials from UV radiati... | 01/18/2005 |
| 6838568 | Fluorinated and alkylated alditol derivatives and compositions and polyolefin articles containing same Plastic additives which are useful as nucleating agents and which are especially useful for improving the optical properties of polymeric materials are provided. More particularly, this invention relates to certain alkyl (or alkoxy) substituted fluoro-benzylidene so... | 01/04/2005 |
| 6780799 | Antimicrobial fabrics The present invention is directed to surface functionalized fabrics, particularly those based on non-woven polypropylene, wherein the functional groups are capable of binding antimicrobial agents through ionic conjugation to control their release and prolong their a... | 08/24/2004 |
| 6756450 | Chlorine-free polyolefin-based plastisol or organosol and method for producing the same A chlorine-free polyolefin-based plastisol or organosol and method for producing the same, where the plastisol or organosol includes: (a) a finely-dispersed polyolefin in (b) 60 to 800 parts by weight (based on 100 parts by weight polyolefin) of a dispersion medium ... | 06/29/2004 |
| 6727317 | Transparent plastic articles comprising certain polymeric components to provide temporary and reversible opacity characteristics Unique transparent plastic (preferably though not necessarily polypropylene) articles that can be tailored to become opaque when exposed to a sufficiently high temperature and which returns to substantially the same transparency level upon cooling are provided. Such... | 04/27/2004 |
| 6569926 | Polymer compound with improved gloss properties A polymer composition comprising a) a thermoplastic polymer, b) a polyfunctional epoxy compound and c) an imidazolidone compound. The invention relates also to a method of improving the gloss of such polymers, to the polymers themselves with improved glos... | 05/27/2003 |
| 6521695 | Water tree resistant insulating composition The present invention is an improved electric insulation composition of a polymer and an additive that reduces water treeing due to electrical aging in water. The polymer additive is a hydrophobic/hydrophilic material with good compatibility with the poly... | 02/18/2003 |
| 6518356 | Functional dyes used as an indicator in aerobically hardening compositions The invention relates to the addition of dyes to aerobically curable adhesive compositions based on free-radically polymerizable compounds. The dyes serve as user-friendly indicators for monitoring the oxygen intake required to trigger the polymerization.... | 02/11/2003 |
| 6455630 | Polyolefin composition suited for metal coating by flame spraying Polyolefin compositions in powder form suited for metal coating, including (percentage by weight): 1) from 1% to 40% of hollow microspheres; 2) from 60% to 99% of a composition comprising: a) from 25% to 95% of polypropylene, polyethylene or crystalline propylene ... | 09/24/2002 |
| 6380297 | Polymer particles of controlled shape A method for the preparation of polymer particles comprising the steps of: a) forming an organic phase by dissolving a polymer material in a solvent; b) dispersing the organic phase in an aqueous phase comprising a particulate stabilizer and homogenizing ... | 04/30/2002 |
| 6328912 | Tetramethylpiperidyl-containing polysiloxane or polyamine/cyanuric cl/tetramethyl-4-piperidylamine stabilizer A mixture for stabilizing polyolefins containing A) either (A1) at least one compound of the formula ##STR1## in which R1 is for example C1 -C10 alkyl; R2 is C3 -C10 alkylene; R3 is f... | 12/11/2001 |
| 6312631 | Use of amphiphiles for permanent improvement of colorant compatibility of polyolefin-based shaped bodies, fibers and films A polyolefin composition having enhanced dyeing capabilities containing: (a) a polyolefin; (b) from 0.01 to 10% by weight, based on the weight of the polyolefin in, of a migratable amphiphile, excluding phenolic and sulfur-containing stabilizers and n-oct... | 11/06/2001 |
| 6287405 | Method and composition for cosmetically repairing a blemish in a polyolefin object There is disclosed a method and composition for cosmetically repairing a surface void in polyolefin objects. The method involves inserting a repair composition into the void and then applying heat thereto to fuse the repair composition with a surrounding ... | 09/11/2001 |
| 6258885 | Filling compound A filling compound for electrical and optical equipment in the form of cables, connectors, plugs, etc. and to assemblies thus produced, is provided. Electrical and optical equipment in the form of cables, connectors, plugs, etc. have to be protected again... | 07/10/2001 |
| 6153715 | Propylenic resin and blow molded article made therefrom A propylene resin composition composed of a nucleating agent and a propylene resin having a melt index (MI) of not greater than 1.2 g/10 min and satisfying a relationship between elongational viscosity (η.EPSILON.) and melt index (MI) represen... | 11/28/2000 |
| 6084010 | Hot melt adhesive comprising an encapsulated ingredient The present invention is a hot melt adhesive composition comprising at least one ingredient present in an encapsulated form. The encapsulated ingredient may be any known hot melt adhesive formulation ingredient as well as any hot melt adhesive additive su... | 07/04/2000 |
| 6022924 | Color master batch resin composition for packing material for photographic photosensitve material and packaging material A color masterbatch resin composition for a packaging material for a photographic photosensitive material which does not adversely affect photographic properties of the photographic photosensitive material, comprising a light-shielding material in a conce... | 02/08/2000 |
| 6022905 | Controlled color laser marking of plastics The invention provides a composition and method for obtaining both light and dark laser marks of varying shades and intensities on a single plastic article by selectively controlling laser parameters. The invention further provides compositions and method... | 02/08/2000 |
| 6017972 | Controlled color laser marking of plastics The invention provides a composition and method for obtaining both light and dark laser marks of varying shades and intensities on a single plastic article by selectively controlling laser parameters. The invention further provides compositions and method... | 01/25/2000 |
| 5973064 | Colored polyester thermoplastic materials comprised of poly(oxyalkylenated) compounds as colorants and specific surfactants as diluents This invention relates to colored polyester thermoplastics comprised of polymeric colorants having poly(oxyalkylene) moieties and/or anionic dye/quatenary ammonium substantially inorganic salt-free colorant complexes mixed with diluents selected from the ... | 10/26/1999 |
| 5962549 | Bioactive composite material for repair of hard and soft tissues Composites suitable for use as prostheses for attachment to soft tissues, such as cartilage, tendons, skin, tympanic membrane and gingiva, as well as to cancellous or trabecular bone, are based on combination of a polyolefinic binder with certain bioactiv... | 10/05/1999 |
