Next To Addition Polymer From Unsaturated Monomer(s) Patents (Class 428/475.8)
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Patent number: 6855387Abstract: A composite container having a barrier property and comprising a packaging material which comprises an inner surface layer, a barrier layer, and a base material layer wherein the barrier layer comprises one selected from nylon MXD 6 and a semi-aromatic polyamide resin, which is a copolymer comprising an aromatic polyamide forming component and an aliphatic polyamide forming component wherein the aromatic polyamide forming component comprises an aliphatic diamine and isophthalic acid and/or terephthalic acid, and the aliphatic polyamide forming component comprises a lactam or an aliphatic diamine, and an aliphatic dicarboxylic acid. The above packaging material may also comprise an inner surface layer having a barrier property and a base material layer wherein the inner surface layer having a barrier property comprises the above semi-aromatic polyamide resin.Type: GrantFiled: February 27, 2003Date of Patent: February 15, 2005Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kazuki Yamada, Hirotaka Tsunoda, Hideki Kurokawa
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Patent number: 6855406Abstract: A polyolefin resin composition comprises (A) 10 to 100 wt % of a propylene/?-olefin random copolymer obtained by random copolymerization of propylene and a C2 to C20 ?-olefin, and having a melting point as measured by DSC of 40 to 115° C. and an ?-olefin content of 5 to 70 mol %, (B) 0 to 90 wt % of a random propylene resin having a melting point as measured by DSC of 120 to 150° C., and (C) an alicyclic saturated hydrocarbon resin having a glass transition point of 20 to 100° C. and a number average molecular weight of 1200 or less, the component (C) being used in an amount of 5 to 100 weight parts per 100 weight parts of the total amount of the components (A) and (B). A single-layer or multilayer film obtained from the polyolefin resin composition can be stretched at a lower temperature than in the conventional one, and a shrink film obtained by such a low-temperature stretching has a higher shrinkage factor than one stretched at a high temperature, and also has a small natural shrinkage factor.Type: GrantFiled: February 13, 2003Date of Patent: February 15, 2005Assignee: Mitsui Chemicals, Inc.Inventors: Hiroshi Takayasu, Norihide Inoue
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Patent number: 6846570Abstract: Multiple coat non-stick coating systems, as well as articles coated with such non-stick coating systems, are provided. The primer (22a) of the multiple coat system includes a fluoropolymer (14a) copolymer, such as a fluoropolymer terpolymer including tetrafluoroethylene, hexafluoropropylene, and vinylidene fluoride monomers, which fluoropolymer copolymers are referred to collectively as THV. The multiple coat system exhibits excellent substrate adhesion and release properties, and the primer exhibits excellent primer-substrate adhesion and primer-topcoat adhesion. The multiple coat system is additionally resistant to separation failure at the interface between the binder (12) and fluoropolymer components of the primer, exhibits excellent adhesion to smooth substrates (16), and may also include a high level of fillers to provide increased damage resistance without compromising the above benefits.Type: GrantFiled: August 16, 2001Date of Patent: January 25, 2005Assignee: Whitford CorporationInventors: Lawrence D. Leech, Daniel C. Chung, Michael W. Miller
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Patent number: 6846530Abstract: A multilayered packaging film having good antifog performance that is suitable for use in food packaging. The multilayered film comprises a nylon film having first and second surfaces; a silicone oil on the first surface of the nylon film; and a sealant film on the second surface of the nylon film, either directly or via an intermediate adhesive tie layer. An antifog composition is either contained within at least part of the sealant film or is coated on a surface of the sealant film opposite the nylon film. The silicone oil effectively blocks the migration of the antifog composition into the nylon film when the multilayered film is stored in roll form.Type: GrantFiled: March 5, 2002Date of Patent: January 25, 2005Assignee: Honeywell International Inc.Inventors: Simon J. Porter, Jeffrey D. Moulton, Yuan-Ping Robert Ting
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Publication number: 20040241479Abstract: The present invention relates to new backing layers and/or new substrates for making (1) new multilayer structures formed from one or more ionomers and one or more tie-layers, and optionally a new backing layer to form laminates, (2) new composite articles made from these laminates in combination with optional new substrate materials, and (3) new methods of making composite articles from these laminates by shaping and subsequently contacting them with a substrate material.Type: ApplicationFiled: April 16, 2004Publication date: December 2, 2004Inventors: Joseph Dominic Domine, Jeffrey Valentage, Prasadarao Meka
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Patent number: 6811844Abstract: The invention relates to a multilayer packaging comprising at least one cellulosic fibrous material substrate, and at least one polymeric film coated on the cellulosic substrate, where the polymeric film is made of at least one barrier layer comprising an olefin polymer, and at least one sealant layer comprising an amorphous polyamide, the sealant layer being a layer positioned so that it may contact the packaged product.Type: GrantFiled: December 19, 2002Date of Patent: November 2, 2004Assignee: E. I. du Pont de Nemours and CompanyInventor: Yves M. Trouilhet
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Patent number: 6793997Abstract: The molding of the present invention has a continuous conducting path from an inner to an outer surface, comprising: A) a skin layer on the inner and outer surface of said molding, comprising an electrically conductive plastic molding composition A comprising a first base polymer; and B) a core disposed between the skin layer on the inner and outer layer of said molding comprising a plastic molding composition B comprising a second base polymer, wherein the molding composition A differs from the molding composition B. The molding may be a connector, for example a connector used in a fuel-line system for connecting plastic pipes and other assemblies.Type: GrantFiled: May 29, 2001Date of Patent: September 21, 2004Assignee: Degussa AGInventor: Guido Schmitz
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Patent number: 6787224Abstract: A cover tape for packaging electronic components, which can prevent troubles associated with the peeling strength or trouble appearing during mounting of the electronic components, which can be produced at a low cost, and which is transparent; that is, a cover tape has a peeling strength not too high and not too low and small in difference between the maximum value and the minimum value and which has high transparency. Specifically, the cover tape for packaging electronic components, which can be heat-sealed to a plastic-made carrier tape having pockets capable of storing electronic components, formed regularly therein and which is made of (A) a biaxially oriented film layer made of polyester, a polypropylene or a nylon and (B) a thermoplastic resin layer composed of 100 parts by weight of an ethylene copolymer and 10 to 100 parts by weight of polystyrene, laminated to one side of the layer A.Type: GrantFiled: June 26, 2002Date of Patent: September 7, 2004Assignee: Sumitomo Bakelite Company LimitedInventors: Hisao Nakanishi, Masayuki Hiramatsu
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Patent number: 6783857Abstract: Using a gas barrier resin composition including 83 to 15% by mass of a compound (A) having two or more hydroxyl groups in a molecule thereof and 17 to 85% by mass of a compound (B) in which at least one carboxyl group is bound to each of three or more consecutive carbon atoms in a molecule thereof, wherein the compound (B) is any one of a compound in which no anhydrous structure is made among the carboxyl groups and a compound in which at least one anhydrous structure is made among the carboxyl groups, or using a gas barrier coating agent including the compound (A), the compound (B) and a solvent, the present invention provides a gas barrier molded material, which has high gas barrier property in that it has less reduction of gas barrier property even in a high humidity atmosphere, has excellent transparency, does not generate poisonous gas when it is subjected to an incineration treatment, is friendly to the natural environment because of the non-use of organic solvents, and has good productivity.Type: GrantFiled: July 19, 2002Date of Patent: August 31, 2004Assignee: Unitika Ltd.Inventors: Arihiro Anada, Shoji Okamoto, Kenjin Shiba, Hayami Onishi
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Patent number: 6780522Abstract: Described is a single or multi-layered film having at least one polyamide layer (I) containing dispersed nanoscale nucleating particles. The smallest components of the dispersed nanoscale nucleating particles in layer (I) have an extension of less than 100 nm in at least one randomly selected direction for each component, based on a weighted average of all components of the dispersed nanoscale nucleating particles. Crystalline structures emanating from the surface of the dispersed nanoscale nucleating particles are formed after the layer (I) is cooled from the molten state at a rate of from 10 to 20° C. per minute. The dispersed nanoscale nucleating particles are present in the polyamide layer (I) in an amount of from 10 ppm to 3000 ppm, based on the total weight of layer (I).Type: GrantFiled: April 10, 2001Date of Patent: August 24, 2004Assignee: Wolff Walsrode AGInventors: Holger Eggers, Andreas Gasse, Gregor Kaschel, Rainer Brandt, Bernd Eilers
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Patent number: 6767601Abstract: A multilayer laminate suitable for use as a packaging film, more particularly for use as a chemical barrier packaging film, and suitable for packaging products such as motor oils and solvent impregnated cloths. The package is useful in applications which allow users to avoid the need to use spray bottles to dispense solvents, thus protecting users from inhaling hazardous chemicals from the air. The multilayer film comprises an inner layer comprising an unoriented nylon; a middle layer comprising either a polyolefin, a metal foil, or a polyester attached to a surface of the inner layer; and an outer layer comprising either a polyolefin or a polyester attached to a surface of the middle layer; such that when the middle layer comprises a polyolefin, the outer layer comprises a polyester, and when the middle layer comprises a polyester, the outer layer comprises a polyolefin.Type: GrantFiled: October 9, 2001Date of Patent: July 27, 2004Assignee: Honeywell International Inc.Inventor: Frank J. Colombo
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Patent number: 6764729Abstract: A heat-shrinkable backseamed casing film comprises a first layer, a second layer, and a third layer, with the first and third layers being outer layers and the second layer being between the first layer and the third layer. The first outer layer serves as an inside casing layer, and comprises polyolefin; the second layer comprises polyester and/or polyamide; the third layer serves as an outside casing layer and comprises polyolefin, polystyrene, and/or polyamide. The second layer has a thickness of at least about 5% of a total thickness of the heat-shrinkable casing film. Alternatively, the first layer comprises polyolefin and has a surface energy level of less than about 34 dynes/cm; the second layer comprises a polyamide having a melting point of at least 300° F.; and the third layer comprises polyolefin, polystyrene and/or polyamide. A package comprises a cooked meat product within the backseamed casing.Type: GrantFiled: January 18, 2001Date of Patent: July 20, 2004Assignee: Cryovac, Inc.Inventors: Ram K. Ramesh, Michael J. Rosinski
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Patent number: 6759108Abstract: A laminated plastic molded body of the present invention comprises a laminated plastic molded body having a layered structure portion of three-layers or five-layers in which a resin layer A and a resin layer B are alternatively laminated, wherein the resin layer A provided at least at the surface side of the layered structure portion is a mixed resin layer of a poly(ethylene terephthalate) resin and at least one resin selected from the group consisting of an amorphous polyester resin, an ethylene naphthalate-ethylene terephthalate copolymer resin and a meta-xylene group-containing polyamide resin, and the resin layer B interposed between the resin layers A is a barrier resin layer comprising at least one resin selected from the group consisting of a meta-xylene group-containing polyamide resin and an ethylene-vinyl alcohol copolymer resin.Type: GrantFiled: October 31, 2001Date of Patent: July 6, 2004Assignee: Yoshino Kogyoshocco., Ltd.Inventors: Akiho Ota, Masato Suzuki
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Publication number: 20040109968Abstract: A film combination or multilayer film with at least two layers is provided for particular use as a release film for membranes that contain oil. At least two film layers are made from different materials.Type: ApplicationFiled: October 7, 2003Publication date: June 10, 2004Inventor: Michael Furst
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Patent number: 6746757Abstract: The present invention relates to a multilayered molding comprising at least two of a layer A and a layer B, in which the layers A are formed on both sides of the layer B, each layer A comprises a same or different thermoplastic resin compositions, the layer A has a flexural modulus according to ASTM D790 of not less than 5,000 kg/cm2, the layer B comprises a thermoplastic resin composition and has a flexural modulus according to ASTM D790 of not more than 5,000 kg/cm2, and the ratio of flexular modulus of the layer A to flexural modulus of the layer B is not less than 5.Type: GrantFiled: February 16, 2000Date of Patent: June 8, 2004Assignee: Mitsubishi Engineering-Plastics CorporationInventors: Kiyoji Takagi, Akihiro Kokubo, Koji Nishida
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Patent number: 6746738Abstract: The present invention relates to a coextrusion binder comprising: 5 to 30 parts of a polymer (A), itself comprising a blend of a polyethylene (A1) of relative density between 0.935 and 0.980 and of a polymer (A2) chosen from elastomers, very low-density polyethylenes and ethylene copolymers, the (A1)+(A2) blend being cografted with an unsaturated carboxylic acid; 95 to 70 parts of a polyethylene (B) of relative density between 0.930 and 0.950; the blend of (A) and (B) being such that: its relative density is between 0.930 and 0.950, the content of grafted unsaturated carboxylic acid is between 30 and 10,000 ppm, the MFI (melt flow index) measured according to ASTM D 1238 at 190° C./21.6 kg is between 5 and 100. This binder is particularly useful for petrol tanks of structure: HDPE/binder/EVOH or PA/binder/HDPE.Type: GrantFiled: April 6, 2000Date of Patent: June 8, 2004Assignee: AtofinaInventors: Christophe Le Roy, Xavier Marical, Jérôme Pascal
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Patent number: 6743523Abstract: The present invention provides a multilayer film. The film has a first layer of a blend of a first component selected from the group of: (1) ethylene and a-olefin copolymers having a density of less than about 0.Type: GrantFiled: March 16, 2000Date of Patent: June 1, 2004Assignee: Baxter International Inc.Inventors: Lecon Woo, Sherwin Shang, Michael T. K. Ling, Yuan-pang Samuel Ding, Tahua Yang, Craig Sanford
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Patent number: 6743514Abstract: This invention pertains to radiation-curable aqueous compositions comprising a mixture of water-reducible oligomer, monomer, and water-insoluble cationically-modified latex. More particularly, the invention pertains to radiation-curable aqueous compositions that are suitable for use as ink jet printing receptive coatings and in the production of ink jet printable products.Type: GrantFiled: March 15, 2002Date of Patent: June 1, 2004Assignee: MeadWestvaco CorporationInventor: Gamini S. Samaranayake
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Patent number: 6727002Abstract: The present invention relates to a single- or multilayer product containing &agr;-olefin-vinyl alcohol copolymers and at least one &agr;-olefin-vinyl acetate copolymer, wherein the amount of vinyl acetate repeat units present in the &agr;-olefin vinyl acetate copolymer is in the range from 35 to 99.99% by weight, and these repeat units have good flexibility which permits processing films or other thin-walled items which are transparent after stretching or thermoforming, and to a process for producing the same, and to their use as packaging films.Type: GrantFiled: August 5, 2002Date of Patent: April 27, 2004Assignee: Bayer AktiengesellschaftInventors: Martin Hoch, Ulrich Itter, Roland Parg, Claus Wrana, Helmut Schulte, Peter Schwarz, Ralph Ulrich
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Patent number: 6713414Abstract: The present invention is directed to ion-sensitive, water-dispersible polymers. The present invention is also directed to a method of making ion-sensitive, water-dispersible polymers and their applicability as binder compositions. The present invention is further directed to fiber-containing fabrics and webs comprising ion-sensitive, water-dispersible binder compositions and their applicability in water-dispersible personal care products.Type: GrantFiled: May 4, 2000Date of Patent: March 30, 2004Assignee: Kimberly-Clark Worldwide, Inc.Inventors: William S. Pomplun, Franklin M. Chen, Paige A. Dellerman, Eric D. Johnson, Jeffrey D. Lindsay, Ligia A. Rivera, Kim G. Schick, Walter T. Schultz, Varsha K. Shah, Dave A. Soerens, Kenneth Y. Wang, Frederick J. Lang, Yihua Chang, David M. Jackson, Pavneet S. Mumick
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Publication number: 20040058178Abstract: Herein is disclosed a modified ethylene vinyl alcohol polymer (EVOH) comprising an oxygen scavenging functional group.Type: ApplicationFiled: June 19, 2003Publication date: March 25, 2004Applicant: Chevron Phillips Chemical Company LP.Inventors: Hu Yang, Ta Yen Ching, Gangfeng Cai
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Publication number: 20040048080Abstract: Multilayer thermoformable structures for packaging film applications. The multilayer structures having at least a first layer of polyester, a second layer of a first adhesive and a third layer of a nylon blend formed into a flexible non-oriented film by coextrusion.Type: ApplicationFiled: September 9, 2002Publication date: March 11, 2004Inventors: Thomas Andrew Schell, Gregory Robert Pockat, Andrew John Lischefski
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Patent number: 6699549Abstract: A polyester-surfaced heat-shrinkable multilayer film exhibiting good printability and adaptability to various automatic packaging processes is provided, including an outer surface layer (a) comprising a polyester resin, an intermediate layer (b) comprising a polyamide resin and an inner surface layer (c) comprising a sealable resin. The film exhibits a heat-shrinkable stress at 50° C. of at most 3 MPa both in longitudinal direction and in transverse direction, and a hot water shrinkability at 90° C. of at least 20%.Type: GrantFiled: October 24, 2000Date of Patent: March 2, 2004Assignee: Kureha Kagaku Kogyo Kabushiki KaishaInventors: Takahisa Ueyama, Tadayoshi Itoh, Eiichi Hayashi, Hajime Tsukamoto
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Publication number: 20040038055Abstract: A multi-layer, deep-drawable and sealable film, produced by means of blown film extrusion, having a layer thickness of less than 150 &mgr;m, has a layer structure A1/B/A2/C/D, whereinType: ApplicationFiled: June 13, 2003Publication date: February 26, 2004Inventor: Joachim Hawighorst
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Patent number: 6689472Abstract: An apparatus for manufacturing an extruded plastic product, the apparatus including at least one rotor and at least one stator defining a clearance having a feed gap between them, the rotor and stator collectively including a groove for moving material to be extruded from a feed zone of the apparatus to a shear zone of the apparatus upon rotation of the rotor and a countergroove for facilitating the extrusion of the material, the groove and countergroove being disposed on opposite sides of the feed gap, the countergroove having a thread that is opposite in direction to a thread of the groove, the groove having a cross-section that is substantially unchanging, the countergroove being disposed substantially along an entire length of the shear zone, the groove, countergroove and clearance forming a processing cavity having a volume that is the volumes of grooves, countergrooves and the clearance, the processing cavity having a cross-sectional area that decreases continuously along at least a part of an axis of tType: GrantFiled: August 28, 2001Date of Patent: February 10, 2004Assignee: Uponor Innovation ABInventors: Jyri Järvenkylä, Kari Kirjavainen, Michael Sjöberg
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Patent number: 6685861Abstract: Oxygen barrier polyamide compositions exhibiting high oxygen scavenging capability suitable for extended shelf-life, packaging applications. Thus a polyamide composition comprises a polyamide homopolymer, copolymer, or blends thereof, and at least one polyamide reactive, oxidizable polydiene or oxidizable polyether. The polyamide products are particularly suited to making barrier packaging articles such as monolayer or multi-layer films, sheets, thermoformed containers and coinjection/coextrusion blow molded bottles comprising PET, polyolefin or polycarbonate as structural layers. Such articles are useful in a variety of oxygen-sensitive food, beverage, pharmaceutical and health care product packaging applications.Type: GrantFiled: January 4, 2002Date of Patent: February 3, 2004Assignee: Honeywell International Inc.Inventors: Murali K. Akkapeddi, Timothy J. Kraft, Edward P. Socci
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Patent number: 6680093Abstract: A multilayer composite comprises a layer configuration A/C/B or A/C/B/C/A, wherein I. each layer A comprises a molding composition that comprises at least 50% by weight of a polymer A containing amino groups; II. layer B comprises a molding composition that consists of at least 50% by weight of a thermoplastic polyester or fluoropolymer B; III. each layer C comprises a molding composition that consists essentially of the following components a)-c): a) from 5 to 95 parts by weight of the polymer A, b) from 95 to 5 parts by weight of the polymer B, and c) from 1 to 90 parts by weight of a compatibilizer comprising an alkyl acrylate polymer.Type: GrantFiled: May 15, 1998Date of Patent: January 20, 2004Assignee: Degussa AGInventors: Hans Ries, Michael Schlobohm, Guido Schmitz
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Patent number: 6670047Abstract: A stretched polyamide film obtained by melt-kneading and extruding a mixed resin (Z) containing a polyamide resin (X) and a modified resin (Y) into a film followed by biaxial stretching, wherein the polyamide resin (X) is obtained from a diamine component containing not less than 70 mol % of a metaxylylenediamine and from a dicarboxylic acid component containing not less than 70 mol % of an &agr;, &ohgr;-aliphatic dicarboxylic acid having 6 to 12 carbon atoms; the modified resin (Y) is obtained by graft-modifying an ethylene-ethyl acrylate copolymer resin with a maleic anhydride; and the mixed resin (Z) contains from 80 to 99% by weight of the polyamide and from 20 to 1% by weight of the modified resin. The stretched film exhibits not only excellent transparency and gas-barring property but also excellent flexibility and shock resistance.Type: GrantFiled: January 24, 2002Date of Patent: December 30, 2003Assignee: Mitsubishi Gas Chemical Co., Inc.Inventors: Hiroyuki Nanba, Koji Yamamoto
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Patent number: 6667101Abstract: The present invention relates to a thermoformable multilayer film comprising in succession: a protective layer (A); a transparent layer (B) comprising (by weight the total amount being 100%) 0 to 100% of a fluoropolymer (B1) and 100 to 0% of a polymer (B2) essentially consisting of alkyl (meth)acrylate units; a layer (C) based on a polyamide with amine terminal groups; a layer (D) consisting of a polyolefin functionalized by an unsaturated carboxylic acid anhydride; a bonding layer (E) made of a polyolefin, said film being obtained by coextruding the various layers, said film being used to cover various substrates, for example by injection-moulding the substrate in the melt onto the multilayer film placed in the bottom of an injection mould, the layer (A) of the film being placed against the wall of the mould.Type: GrantFiled: January 26, 2001Date of Patent: December 23, 2003Assignee: AtofinaInventors: David Silagy, Jose Teixeira Pires, Philippe Bussi, Anthony Bonnet
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Publication number: 20030224189Abstract: An in-mold coating composition particularly useful for in-mold coating of molded nylon based substrates comprises a coreactive addition polymerizable composition of urethane-acrylate oligomer having at least two acrylate and/or methacrylate terminal groups, at least 0.2% of a sulfonic acid functional acrylate or methacrylate, at least 0.2% of acrylic and/or methacrylic acid, with the balance being coreactive polymerizable diacrylate(s) and/or ethylenically unsaturated monomer(s).Type: ApplicationFiled: May 31, 2002Publication date: December 4, 2003Applicant: OMNOVA Solutions Inc.Inventor: Douglas S. McBain
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Patent number: 6656548Abstract: A laminate comprising first and second polymeric films. One of the films is heat shrinkable and the other of the first and second films is non-heat shrinkable. At least one of the first and second films has an oxygen permeance of no more than about 150 cm3/m2·atm·24 hours at 23° C. and 0% relative humidity. The first film comprises an outer layer which, even when untreated, has a surface energy of at least 0.034 J/m2, and at least about 10 weight percent of one or more polymers having a Vicat softening point of at least about 65° C. The first film outer layer forms a first outer surface of the laminate. The outer layer of the second film forms the second outer surface of the laminate. The laminate has an improved ability to be sealed about a forming shoe without necking down.Type: GrantFiled: September 18, 2000Date of Patent: December 2, 2003Assignee: Cryovac, Inc.Inventors: Scott W. Beckwith, Ram K. Ramesh, Michael J. Rosinski
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Patent number: 6638591Abstract: A multilayer structure with improved permeation for atmospheric diffusion of aromatic products wherein the structure comprises, a permeable membrane wherein said permeable membrane comprises at least two polymeric layers wherein the polymer of each layer is independently selected from the group consisting of polyethylene, very low density polyethylene, low density polyethylene, ethylene methylacrylate copolymer; a release layer wherein said release layer comprises a nylon polymer or a ethylene vinyl alcohol copolymer wherein the release layer is adhered to most inner polymeric layer of the permeable-member which comprises the permeable membrane and wherein the adhesion between release layer and the adjacent layer of the polymeric permeable membrane is a relatively weak bond compared to the bond between the layers of the polymeric permeable membrane; and an impermeable membrane wherein said impermeable membrane comprises one or more layers wherein the materials which comprise the individual layers of the imperType: GrantFiled: December 5, 2000Date of Patent: October 28, 2003Assignee: Pechiney Emballage Flexible EuropeInventors: William E. Bowen, Lee J. Murray, Patricia M. McCarry
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Patent number: 6632521Abstract: Polymeric films having at least one outer layer consisting of a blend of low density polyethylene and a poly-(alkylstyrene) can be heat sealed to non-woven webs such as paper to produce peel openable packages, for example for medical equipment. Such packages can be peeled open with low fiber lift from the non-woven webs.Type: GrantFiled: June 8, 2001Date of Patent: October 14, 2003Assignee: Rexam Medical Packaging LtdInventors: Roy Christopherson, David Thomas Stell
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Patent number: 6620473Abstract: An in-mold decorating label, which comprises a thermoplastic resin film substrate layer (I) having provided on its backside a heat-sealable resin layer (II), the heat-sealable resin layer (II) containing a polyethylenic resin and at least one of (i) a fatty acid amide having a molecular weight of 300 or more and (ii) an organic or inorganic fine powder having an average particle size larger than thickness of the heat-sealable resin layer (II). This label for use in in-mold decorating has excellent feeding and discharging properties upon printing and workability during sheeting, which facilitates insertion of the label into a metal mold during in-mold decorating, and provides a label-laminated container which does not suffer from blister generation and has a large welding force between the container and the label.Type: GrantFiled: April 16, 2001Date of Patent: September 16, 2003Assignee: Yupo CorporationInventors: Takatoshi Nishizawa, Masaki Shiina, Hironobu Taniguchi
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Patent number: 6610377Abstract: The invention relates to a single- or multilayer plastic sheeting for covering products, particularly ensiled agricultural products, or similar, like chopped silage. According to the invention, in order to prevent the fermentation of the ensiled material or to limit it to a lactic fermentation caused by anaerobic microorganisms, the cover sheeting or at least one layer of said sheet is made of an insulating plastic airtight material.Type: GrantFiled: June 5, 2000Date of Patent: August 26, 2003Assignee: I.B.M. Industria Plastics Monregalese S.p.A.Inventors: Bartolomeo Forzano, Gianfranco Ferrero
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Publication number: 20030148125Abstract: The present invention is to provide a laminated resin molding comprising a polyamide-based resin composition as an outer layer and being excellent in interlayer adhesion strength, in particular a laminated resin molding comprising a fluorine-containing resin as an inner layer.Type: ApplicationFiled: November 1, 2002Publication date: August 7, 2003Inventors: Takeshi Inaba, Taketo Kato, Shigehito Sagisaka, Takuya Arase, Tetsuo Shimizu
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Patent number: 6602565Abstract: A method of producing a fuel hose having superior adhesive reliability with superior initial adhesive strength between a tubular fluororesin inner layer and a thermoplastic resin outer layer and with restrained deterioration in adhesive strength after heat aging and immersion into fuel under severe conditions such as an inside of an engine compartment. The method includes plasma treatment on a peripheral surface of the tubular fluororesin inner layer, at least one treatment of water treatment and silane coupling agent treatment on the plasma treated surface and formation of the thermoplastic resin outer layer on the treated peripheral surface.Type: GrantFiled: August 6, 1999Date of Patent: August 5, 2003Assignee: Tokai Rubber Industries, Ltd.Inventors: Kazutaka Katayama, Hiroaki Ito, Takahiro Nishiyama, Koyo Murakami, Tomonori Hayakawa
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Patent number: 6599639Abstract: A coextruded, retortable film includes a core layer having an ethylene/vinyl alcohol copolymer; two intermediate layers including a polyamide; two adhesive layers including a polymeric adhesive; and two outer layers including low density polyethylene, medium density polyethylene, high density polyethylene, ethylene/alpha olefin copolymer, propylene homopolymer, and/or propylene/alpha olefin copolymer. A method of packaging a product using this film, and a package, are disclosed.Type: GrantFiled: March 16, 2001Date of Patent: July 29, 2003Assignee: Cryovac, Inc.Inventors: Richard M. Dayrit, Steven T. Calvert, Stephen J. Schwarz, Daniel L. McKamy, Brian Rivers, Bobby Ayers
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Publication number: 20030134982Abstract: The present invention relates to a single- or multilayer product containing &agr;-olefin-vinyl alcohol copolymers and at least one &agr;-olefin-vinyl acetate copolymer, wherein the amount of vinyl acetate repeat units present in the &agr;-olefin vinyl acetate copolymer is in the range from 35 to 99.99% by weight, and these repeat units have good flexibility which permits processing films or other thin-walled items which are transparent after stretching or thermoforming, and to a process for producing the same, and to their use as packaging films.Type: ApplicationFiled: August 5, 2002Publication date: July 17, 2003Inventors: Martin Hoch, Ulrich Itter, Roland Parg, Claus Wrana, Helmut Schulte, Peter Schwarz, Ralph Ulrich
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Patent number: 6592957Abstract: The present invention relates to a multi-layer hose for automobile cooling systems which comprises at least two layers of inner layer and outer layer wherein: (1) the material for inner layer is a composition which contains a polymer containing a carboxyl group and/or its derivative group in the molecule and a dynamically crosslinked olefin thermoplastic elastomer, the content of the polymer containing a carboxyl group and/or its derivative group thereof in the molecule being 5-50% by weight based on the total weight of the composition and (2) the material for outer layer comprises a polyamide thermoplastic resin.Type: GrantFiled: March 30, 2001Date of Patent: July 15, 2003Assignees: Asahi Kasei Kabushiki Kaisha, Honda Giken Kogyo Kabushiki KaishaInventors: Kensuke Uchida, Toshiro Ijima
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Patent number: 6582808Abstract: A packaging laminate for a container which enables a blend monolayer to be effectively extrusion coated onto the paperboard substrate as the product contact layer without the need for tie layers or multilayer co-extrusion equipment. The blend monolayer has superior oxygen transmission resistance and has excellent pinhole resistance compared to straight polyethylene monolayer. The product contact layer consists of a blend of a polyolefin polymer, a polyamide, and a compatibilizer in a preferred embodiment. The monolayer blend is a low cost alternative to multilayer structures.Type: GrantFiled: August 1, 2001Date of Patent: June 24, 2003Assignee: International Paper CompanyInventors: Gregory J. Castle, Dolan R. Johnson, Keith S. Shih, A. Craig Bushman
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Patent number: 6582787Abstract: A blow molded container for high purity liquid chemicals having (1) an inner layer formed of a high purity resin comprising at least one member including olefinic polymers of ethylene, propylene, butene-1, 4-methyl-pentene-1, hexene-1 or octene-1 and copolymers of ethylene and olefins other than ethylene; (2) an intermediate layer of a solvent-barrier resin including polyamides, polyvinyl alcohols, poly(ethylene-co-vinyl alcohols), polyesters and polyphenylene oxides; and (3) an external layer formed of a light-shielding substance-containing resin composition. The lowest absorbance of the total layers of the container is greater than 2.0 measured at a wavelength of not more than 400 nm. The total layers also have an absorbance that does not exceed 1.62 measured at a wavelength of 600 nm. The container is especially good for holding photoresist liquids.Type: GrantFiled: October 5, 1999Date of Patent: June 24, 2003Assignee: Aicello Chemical Co., Ltd.Inventors: Keiji Kawai, Yoshiaki Ito
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Patent number: 6579580Abstract: A composite container having a barrier property and comprising packaging material, the packaging material comprising a base material and a co-extruded laminate layered on the base material, the base material having a paper support with an inner surface and an outer surface and a polyolefin resin layer, the resin layer being attached on the outer surface of the paper support and constituting an outermost layer of the container, the laminate consisting of a polyolefin resin layer, a second adhesive layer, a barrier layer, a first adhesive layer, and another polyolefin resin layer being arranged in this order and having five layers in total.Type: GrantFiled: January 20, 2000Date of Patent: June 17, 2003Assignee: Dai Nippon Printing Co., Ltd.Inventors: Kazuki Yamada, Hirotaka Tsunoda, Hideki Kurokawa
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Patent number: 6579604Abstract: The present invention is directed, in general, to an improved material and method of planarizing a surface on a semiconductor wafer and, more specifically, to a method of altering the properties of polymers, preferably thermoplastic foam polymers, used in polishing applications. The chemical and mechanical properties thermoplastic foam substrates can be transformed by inorganic, inorganic-organic, and or organic—organic grafting techniques, such that the polymer foam is endowed with new set of properties that more desirable and suitable for polishing.Type: GrantFiled: November 27, 2001Date of Patent: June 17, 2003Assignee: PsiloQuest Inc.Inventors: Yaw S. Obeng, Edward M. Yokley
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Patent number: 6576308Abstract: This invention concerns a multilayer film useful as release sheet for sheet molding compounds, comprising a first skin layer, a second skin layer, a barrier layer for monomeric resins wherein the barrier layer is between the first and second skin layers and the first and second skin layers comprise a mixture of polyolefin and adhesive resin. This invention also pertains to the multilayer films method of production, as well as an SMC sheet employing the multilayer film.Type: GrantFiled: September 27, 1999Date of Patent: June 10, 2003Assignee: Pliant CorporationInventors: Daniel G. Denehy, Eric D. Tuttle
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Patent number: 6576312Abstract: A fuel transporting tube including an inner layer which contacts a fuel being transported and which is formed of a polybutylene naphthalate resin, an outer layer which is provided radially outwardly of the inner layer and which is formed of a polyamide resin or a polyolefin resin, and an intermediate layer which is provided between the inner layer and the outer layer and which is formed of a resin to adhere the inner and outer layers to each other.Type: GrantFiled: November 12, 1999Date of Patent: June 10, 2003Assignee: Tokai Rubber Industries, Ltd.Inventors: Hiroaki Ito, Shinji Iio
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Patent number: 6569538Abstract: A thermoformable, multi-layered, symmetric, coextruded film having no tendency to roll up, is described. The coextruded film contains layers of polyamide and polyolefin or copolymers based on olefins.Type: GrantFiled: January 3, 2001Date of Patent: May 27, 2003Assignee: Wolff Walsrode AGInventor: Gregor Kaschel
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Patent number: 6565978Abstract: A multi-component composite coating composition is provided which includes a basecoat deposited from an aqueous basecoat film-forming composition and a transparent topcoat applied over the basecoat. The basecoat film-forming composition includes at least one crosslinkable film-forming resin and at least one amphiphilic alcohol having the structural formula: HO—R, wherein R includes a linear hydrocarbon segment having at least seven contiguous carbon atoms. The amphiphilic alcohol is present in an amount ranging from about 0.01 to about 50 weight percent based upon total amount of resin solids of the basecoat film-forming composition. A coated substrate is also provided.Type: GrantFiled: February 16, 1999Date of Patent: May 20, 2003Assignee: PPG Industries Ohio, Inc.Inventors: Edward S. Pagac, Daniel E. Rardon, Shanti Swarup
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Patent number: 6565938Abstract: A resin composition comprising a saponified ethylene-vinyl acetate copolymer (A), a polyamide resin having a melting point not exceeding 160° C. (B), and a small proportion of a boron compound (C) and a laminate comprising a multi-lamellar shaped article comprised of the above resin composition layer (X) and a thermoplastic resin layer (Y).Type: GrantFiled: November 9, 2001Date of Patent: May 20, 2003Assignee: Nippon Gohsei Kagaku Kogyo Kabushiki KaishaInventors: Masahiko Toyosumi, Kenji Ninomiya
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Patent number: 6562443Abstract: A heat shrinkable film suitable for use in cook-in applications is provided which exhibits a transverse direction free shrink at 50° C. of less than about 2% and a transverse direction free shrink at 57° C. of at least about 3%. The food contact layer includes a polymer having a surface energy of at least about 0.034 J/m2 and a second layer includes at least one member selected from the group consisting of polyester, polyvinylidene chloride, polyamide and polyalkylene carbonate. Preferably, the desired shrink properties are attained by annealing the film under controlled conditions.Type: GrantFiled: July 22, 1998Date of Patent: May 13, 2003Assignee: Cryovac, Inc.Inventors: R. Karina Espinel, Ram K. Ramesh