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| Number | Title | Issue Date |
| 7943071 | Polyethylene terephthalate filament having high tenacity for industrial use A polyethylene terephthalate monofilament obtained by spinning a polyethylene terephthalate chip having an intrinsic viscosity of 0.8 to 1.3, which gives a stress-strain curve exhibiting an elongation of less than 2.5% at an initial stress of 2.0 g/d, with an initia... | 05/17/2011 |
| 7736564 | Process of making a high strength polyolefin filament A filament having excellent incision resistance includes as a primary component a polyethylene filament having a weight-average molecular weight of 300,000 or less and a ratio of a weight-average molecular weight to a number-average molecular weight (Mw/Mn) of 4.0 o... | 06/15/2010 |
| 7585445 | Method for producing high tenacity polypropylene fibers A method for producing high-tenacity polypropylene fibers with a tenacity greater than 6 cN/dtex and an elongation of less than 40%. To produce as much as possible fibers of a very fine denier, the fiber strands are spun in a first step at a low melting point of les... | 09/08/2009 |
| 7435370 | Process of making a fiber A fiber and a process for obtaining same from a high-modulus polyethylene, extrudable in state-of-the-art equipment and in the absence of previous solubilization in any kind of organic solvent is described, the process comprising providing such a polyethylene, intro... | 10/14/2008 |
| 7410696 | Polyoxymethylene fibers, production thereof and use thereof Described are fibers comprising a polyoxymethylene copolymer having an ISO 1133 MVR melt index (determined at 190° C. under a load of 2.16 kg) in the range from 0.3 to 30 ml/10 min which possess a bend recovery (measured by the double loop method in air and/or wate... | 08/12/2008 |
| 7364659 | Preparation of asymmetric polyethylene hollow fiber membrane A porous polyethylene hollow fiber membrane having a pore-size gradient across the inner and outer surfaces thereof is prepared by introducing, during the cooling step of a melt-spun polyethylene hollow fiber, a nitrogen flow and a solvent having a boiling point in ... | 04/29/2008 |
| RE40274 | Heat shrinkable polyester film The present invention provides a heat shrinkable polyester film whose hot water shrinkage along its main shrinkage direction is equal to or greater than 20% when the film is put in hot water of 70° C. for 5 sec; 35% to 55% when put in hot water of 75° C. for 5 sec... | 04/29/2008 |
| 7351243 | High strength bioresorbables containing poly-glycolic acid Polymer compositions comprising poly-glycolic acid (PGA) or a functional derivative thereof with a tensile strength of at least 1200 MPa are disclosed. Processes suitable for manufacturing said compositions are also described, comprising rendering PGA into an amorph... | 04/01/2008 |
| 7270777 | Method and apparatus for producing a low-shrinking smooth yarn A method and apparatus for producing a high-strength and low-shrinkage synthetic flat yarn. After melt spinning, the filaments are combined to a yarn and drawn. Subsequently, the yarn is compressed to form a plug under the influence of heat. This plug is transported... | 09/18/2007 |
| 7235203 | Successively biaxial-oriented porous polypropylene film and process for production thereof Disclosed is a successively biaxially stretched film obtained by successive biaxial stretching method comprising extruding a melt of a β-crystal nucleating agent-containing polypropylene-based resin composition from a T-die, cooling the extruded resin on a chill ro... | 06/26/2007 |
| 7229581 | Process for producing a thermoplastic film using plastic bottle recyclate Invention relates to a process for producing a single-layer or multilayer film by extrusion or coextrusion, biaxial orientation, and heat setting based on crystallizable thermoplastics whose principal constituent is a crystallizable thermoplastic having a standard v... | 06/12/2007 |
| 7214339 | Polyester film and a production method thereof The object of the present invention is to provide a method for producing a polyester film excellent in rigidity, toughness, dimensional stability, electric properties, etc. and less in thickness fluctuation and surface defects, hence very suitable as a film for vari... | 05/08/2007 |
| 7199203 | Isotactic propylene copolymer fibers, their preparation and use Fibers comprising a propylene homopolymer or a copolymer of propylene and at least one of ethylene and one or more unsaturated comonomers exhibit desirable properties. The homopolymers are characterized as having 13C NMR peaks corresponding to a regio-err... | 04/03/2007 |
| 7198857 | Polyester film for forming A polyester film for forming which is excellent in formability especially at low temperatures and low pressures and in solvent resistance and heat resistance and is reduced in environmental burden. The polyester film for forming is a biaxially oriented polyester fil... | 04/03/2007 |
| 7138474 | End use articles derived from polypropylene homopolymers and random copolymers Articles of manufacture and a method of making the articles are provided. The articles of manufacture comprise CpFlu metallocene catalyzed polypropylene homopolymers and C2–C3 random copolymers having narrow molecular weight distributions and... | 11/21/2006 |
| 7105021 | Implantable textile prostheses having PTFE cold drawn yarns The present invention provides an implantable prosthesis and more specifically, an implantable tubular textile prosthesis comprising a biocompatible fabric having inner and outer surfaces and first and second ends; the fabric having a textile construction comprising... | 09/12/2006 |
| 7087269 | Multi-component composite membrane and method for preparing the same The present invention relates to a multi-component composite separate membrane and a method for preparing the same, and to a multi-component composite membrane comprising a support layer and active layers, wherein the support layer is located between the active laye... | 08/08/2006 |
| 7070723 | Method for spin-drawing of melt-spun yarns A method is provided for simultaneous spin-drawing of continuous yarns consisting of one or more filaments, comprising the steps in which a melt of a thermoplastic material is fed to a spinning device, the melt is extruded through a spinneret by means of extrusion o... | 07/04/2006 |
| 7063764 | Apparatus and method for producing a polyolefinic transpiring film The invention relates to a method and a plant for producing polyolefinic transpiring films by means of bubble extrusion of a LLDPE and filler mix, flattening of the extruded tube to obtain a double layer flat film and transversely and/or longitudinally stretching of... | 06/20/2006 |
| 7060210 | Method of processing colloidal size polytetrafluoroethylene resin particles to produce biaxially-oriented structures This invention involves forward integration of the art paste extrusion process by adding a step to the processing sequence to change the uniaxially-oriented art form to a desirable planar biaxially-oriented form. This invention also involves the backward integration... | 06/13/2006 |
| 7056461 | Process of making polyester multifilament yarn A method of producing a polyethylene terephthalate-based polyester fiber includes spinning polyethylene terephthalate based polyester to produce an undrawn yarn with an intrinsic viscosity of 0.83 or more and a density of 1338 g/cm3 or more, multi-stage d... | 06/06/2006 |
| 7037461 | Method of stretching film A method of stretching films in which all or a portion of the width of the film is cooled during or just after stretching so as to improve the uniformity of the film. The includes stretching a polymeric film in a tenter that grasps the film with a plurality of clips... | 05/02/2006 |
| 7025919 | Syndiotactic polypropylene fibers A process for the production of partially oriented polypropylene fibers from syndiotactic polypropylene. Syndiotactic polypropylene is heated to a molten state and extruded to form a fiber preform. The fiber preform is spun at a forward spinning speed within the ran... | 04/11/2006 |
| 7026035 | Laminated film for optical use There is provided a laminated film for optical use comprising a polyester film which has a lubricity layer containing globular particles in at least one side thereof, wherein the laminated film has a thickness irregularity of 0.5 to 7.0%, and wherein the polyester f... | 04/11/2006 |
| 7022273 | Process for making stable polytrimethylene terephthalate packages A process for the production and for the winding of one polyester yarn, preferably multi-filament yarn, which comprises at least about 85 weight %, in relation to the total weight of the polyester yarn, of polytrimethylene terephthalate (PTT) wherein said process is... | 04/04/2006 |
| 7001557 | Biaxially oriented polyester film, and a production method thereof An object of the present invention is to provide a biaxially oriented high quality polyester film excellent in thermal dimensional stability and clarity and also excellent in productivity, and also to provide a production process thereof. Another object is to provid... | 02/21/2006 |
| 6991758 | Method of making a web having good breathing properties A method and a device for production of a web with good breathing properties, for example having a nonwoven web based on plastic filaments and/or plastic fibers and a plastic film, applied on one side of the nonwoven web and containing at least one mineral filler. F... | 01/31/2006 |
| 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 |
| 6967058 | Polyester multifilament yarn for rubber reinforcement and method of producing the same Disclosed is a method of producing a polyethylene terephthalate-based polyester fiber, including spinning polyethylene terephthalate based polyester to produce an undrawn yarn with an intrinsic viscosity of 0.83 or more and a density of 1.338 g/cm3 or mor... | 11/22/2005 |
| 6944968 | Method and apparatus for heating nonwoven webs A process for drying/heat-treating nonwoven webs in which the web is partially dried under tension in a first drying zone and further heat treated under low tension or in a substantially tensionless state a second drying zone. The process significantly reduces the o... | 09/20/2005 |
| 6919113 | Multilayered film This invention relates to a multilayered film for use as in-mold label, comprising: a core layer having a first surface and a second surface, the core layer being comprised of a polymeric mixture and particulate solids dispersed in the polymeric mixture; and an ink-... | 07/19/2005 |
| 6911257 | Process for the manufacture of homopolyamide-4,6 fibers The invention relates to a process for the manufacture of homopolyamide-4,6 fibers by melt spinning of homopolyamide-4,6, to fibers and multifilament yarns obtainable by the process and the use thereof for the reinforcement of rubber like in tire cords, V-belts etc.... | 06/28/2005 |
| 6906160 | Isotactic propylene copolymer fibers, their preparation and use Fibers comprising a propylene homopolymer or a copolymer of propylene and at least one of ethylene and one or more unsaturated comonomers exhibit desirable properties. The homopolymers are characterized as having 13C NMR peaks corresponding to a regio-err... | 06/14/2005 |
| 6887414 | Method for manufacturing polyester fibers Method for manufacturing polyester fibers comprising melt-extruding a polymer without increasing an intrinsic viscosity of the polymer during spinning to minimize a reduction of the intrinsic viscosity of the polymer; maintaining a low atmospheric temperature direct... | 05/03/2005 |
| 6887541 | Insulated packaging material and pouch formed thereof An insulated packaging material includes a thermal insulating layer, which may a fiberfill batt. The batt is laminated to at least one facing layer of film, paper or fabric. The packaging material can be used as a container, such as a pouch. A food-contacting polyme... | 05/03/2005 |
| 6878276 | Methods of making stretched filtering membranes and modules A method for stretching a hollow fibre while making a stretched filtering membrane from a precursor involves wrapping the hollow fibre around a structure and modifying the structure such that at least portions of the hollow fibre are forced to elongated. For example... | 04/12/2005 |
| 6878326 | Process for preparing industrial polyester multifilament yarn Process for preparing an industrial polyester multifilament yarn with high modulus and low shrinkage, in which polyethylene terephthalate polyester is wound at 2000 m/min or more to produce undrawn yarns with an intrinsic viscosity of 0.88 or higher and a density of... | 04/12/2005 |
| 6872352 | Process of making web or fiberfill from polytrimethylene terephthalate staple fibers The invention relates to webs or batts including polytrimethylene terephthalate crimped staple fibers and fiberfill products comprising such webs and batts, as well as the processes of making the staple fibers, webs, batts and fiberfill products. According to the pr... | 03/29/2005 |
| 6852411 | Polyester fibers for rubber reinforcement and dipped cords using same A polyester fiber containing polyethylene terephthalate at 90 mol % or higher of a whole repeating unit in a molecular chain thereof, the fiber having an intrinsic viscosity (IV) of 0.85 dl/g or higher and simultaneously meeting the following characteristics: (a) st... | 02/08/2005 |
| 6821612 | Methods for preparing soft and elastic biodegradable polyhydroxyalkanoate copolymer compositions and polymer products comprising such compositions Soft and elastic polymer products are obtained by stretching a composition comprising a biodegradable polyhydroxyalkanoate copolymer comprising at least two randomly repeating monomer units. The first randomly repeating monomer unit has structure (I), wherein R... | 11/23/2004 |
