Patents Examined by Irina Zemel
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Patent number: 9441123Abstract: The present invention provides a durable, external surfactant free, cationic, water based jet ink polymer which when formulated into an ink jet ink results in a printing that has an excellent adhesion to metal or plastic substrates. Such a jet ink polymer is suitable performance replacement of solvent soluble polymers currently in commercial use. The hybridized copolymer comprises a hydrophobic functional polymeric backbone comprised of a polysiloxane polymer, a polyolefin polymer, or a functional polyvinyl polymer. The hybridized copolymer also comprises a plurality of copolymeric side chains attached to the backbone, comprising a polymerizable amine-containing unsaturated monomer, and a polymerizable unsaturated monomer. The use of the inks of the present invention enhances performance criteria such as print-head open time, ink stability, and resistance to typical water based cleaners.Type: GrantFiled: August 15, 2012Date of Patent: September 13, 2016Assignee: PENN COLOR, INC.Inventors: Michael D. Spiegel, Charles B. Rybny
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Patent number: 7358280Abstract: 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 thereof, at a pressure between 500 and 8000 kPa and a temperature between ?20° C. and 130° C. for 15 to 7200 minutes to create a gas pressure in the particles. Using the gas pressure in the particles, pre-expanding the particles with a heating medium, e.g. steam at a temperature between 100° C. and 120° C. and at a pressure ranging above atmospheric pressure and below the gas pressure in said particles, i.e. 50 to 200 kPa for 5 to 120 seconds. The pre-expanded particles are air dried in the pre-expander while holding a positive pressure in the particles; are optionally transferred to a pressure silo; and then are transferred to a molding machine where the gas pressure in the particles is used to form a foam article.Type: GrantFiled: August 10, 2004Date of Patent: April 15, 2008Assignee: NOVA Chemicals (International) S.A.Inventors: Michel Florentine Jozef Berghmans, Karel Cornelis Bleijenberg, Joachim Teubert, Alphonsus Catharina Gerardus Metsaars
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Patent number: 7294674Abstract: A polyolefin composition suitable for preparing films and sheets, comprising: (A) from 15 to 40% by weight of a crystalline copolymer of propylene with at least one alpha-olefin of formula H2C?CHR1, where R1 is H or a C2-8 linear or branched alkyl, containing at least 90% by weight of propylene, having solubility in xylene at room temperature lower than 15% by weight; (B) from 60 to 85% by weight of an elastomeric fraction comprising: (1) a copolymer of propylene with ethylene, optionally containing 0.5 to 5% by weight of a diene, containing from 20 to 35% by weight ethylene, and having solubility in xylene at room temperature greater than 45% by weight, the intrinsic viscosity of the xylene soluble fraction ranging from 1.0 to 3.0 dl/g; and (2) a copolymer of ethylene with at least one alpha-olefin of formula H2C?CHR2, where R2 is a C2-8 linear or branched alkyl, optionally containing 0.Type: GrantFiled: March 5, 2003Date of Patent: November 13, 2007Assignee: Basell Poliolefine Italia S.p.A.Inventors: Anteo Pelliconi, Antonella Angelini
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Patent number: 7078496Abstract: The invention provides reagents and methods for conjugating a polymer specifically to the ?-amine of a polypeptide. The invention provides monofunctional, bifunctional, and multifunctional PEGs and related polymers having a terminal thioester moiety capable of specifically conjugating to the ?-amine of a polypeptide having a cysteine or histidine residue at the N-terminus. The invention provides reactive thioester-terminated PEG polymers that have suitable reactivity with an N-terminal cysteine or histidine residue of a polypeptide to produce an amide bond between the PEG molecule and the polypeptide.Type: GrantFiled: October 9, 2002Date of Patent: July 18, 2006Assignee: Nektar Therapeutics AL, CorporationInventors: Michael J. Roberts, Zhihao Fang
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Patent number: 6875842Abstract: Reduced-rosin compositions of printing inks and the resinate binders therein, and the processes of preparation thereof, are described. In said compositions, a portion of the rosin normally used in the art is replaced by Monomer, and is further reacted with ?,?-unsaturated carboxylic compound, alkaline metal salt, and solvent to produce the resinate binder product. Said resinate binder may then be formulated with a colorant to produce an ink, preferably for use in publication gravure.Type: GrantFiled: March 28, 2003Date of Patent: April 5, 2005Assignee: Arizona Chemical CompanyInventor: Thomas A. Fontana
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Patent number: 6849707Abstract: A quinoxaline-containing hyperbranched ether-ketone polymer having repeating units of the formula: and a method for preparing the polymer are provided.Type: GrantFiled: October 23, 2003Date of Patent: February 1, 2005Assignee: The United States of America as represented by the Secretary of the Air ForceInventors: Jong-Beom Baek, Loon-Seng Tan
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Patent number: 5863977Abstract: This invention relates to hot melt adhesives comprising a high molecular weight polystyrene-ethylene/butylene-polystyrene block copolymer and articles constructed therefrom. This polymer is useful in a variety of hot melt adhesive applications such as food packaging adhesives, rodent traps, skin attachment adhesives, positioning adhesives, diaper tapes, low tack diaper fastening systems, foam in place gaskets, etc.Type: GrantFiled: February 12, 1997Date of Patent: January 26, 1999Assignee: H. B. Fuller Licensing & Financing, Inc.Inventors: Carolyn A. Fischer, Eugene R. Simmons, Mark S. Kroll, Jeffrey S. Lindquist
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Patent number: 5708088Abstract: The present invention relates to a multiphase thermoplastic composition based on polyamide resin containing at least one ethylene/alkyl (meth) acrylate/unsaturated epoxide terpolymer.Type: GrantFiled: October 23, 1995Date of Patent: January 13, 1998Assignee: Elf Atochem S.A.Inventors: Marius Hert, Patrice Perret
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Patent number: 5693425Abstract: The present invention provides a novel multi-arm block copolymer, a novel pressure-sensitive adhesive made from a multi-arm elastomeric block copolymer, and a novel tape made therefrom. The multi-arm block copolymer has the general structure (A-B).sub.m Y(C-D).sub.n wherein A, B, C and D are polymer segments; Y is a residue of a multifunctional coupling agent; and m and n are the number of arms, where m and n are greater than 0 and the sum of m plus n is at least 3. A comprises a random copolymer of a monoalkenylarene and a conjugated diene; B and C comprise either a homopolymer of a conjugated diene or a polymer of two or more conjugated dienes; D comprises either a homopolymer of a monoalkenylarene or a copolymer of a monoalkenylarene and a conjugated diene wherein the Tg of D is greater than the Tg of A; and the weight percent of monoalkenylarene in the block copolymer is 40% or less.Type: GrantFiled: December 15, 1995Date of Patent: December 2, 1997Assignee: Minnesota Mining and Manufacturing CompanyInventors: Jingjing Ma, Mark Kevin Nestegard
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Patent number: 5690861Abstract: A method for coupling a cationic polymer includes forming a reaction mixture of a cationic polymer and a bis(diphenylethylene). The reaction mixture is exposed to a temperature which causes the bis(diphenylethylene) to react with the cationic polymer, thereby coupling to cationic polymer. In another embodiment, the method includes forming a reaction mixture of an oxo-acid and a isopropenyl polyisobutylene. The reaction mixture is exposed to a temperature below about -30.degree. C., whereby the oxo-acid reacts with isopropenyl polyisobutylene, thereby coupling the polymer.Type: GrantFiled: March 2, 1995Date of Patent: November 25, 1997Assignee: University of Massachusetts LowellInventor: Rudolf Faust
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Patent number: 5620802Abstract: The present invention relates to a heat-sealable and peelable film for polystyrene containers, consisting of at least one thin film comprising a mixture (a) of polystyrene and (b) of one or more copolymer(s) of ethylene and of acrylic derivatives.It also relates to a process for sealing a polystyrene container by means of said film and to the heat-sealed polystyrene container thus obtained.Type: GrantFiled: October 11, 1995Date of Patent: April 15, 1997Assignee: Elf Atochem S.A.Inventors: Jean-Fran.cedilla.ois Arsac, Catherine Bonabal, Betty Laurent
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Patent number: 5618885Abstract: Disclosed is a fiber-forming polymer blend, comprising:a) a polyamide;b) a miscible amorphous polymer; andc) an immiscible amorphous polymer.Type: GrantFiled: January 25, 1996Date of Patent: April 8, 1997Assignee: BASF CorporationInventors: Richard Kotek, Hans-Georg Matthies
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Patent number: 5614592Abstract: A process for the production of a peroxide masterbatch composition comprising the steps of: a) providing a mixture of an ethylene-propylene copolymer and 10-150 parts by weight, based on the weight of the ethylene-propylene copolymer of a polyoctenamer rubber to a mixing device, (b) adjusting the temperature of the mixture to a temperature at least 2.degree. C. below the melting point of the lowest melting peroxide to be included in the masterbatch composition, (c) adding 20-60 percent by weight, based on the weight of the mixture, of a peroxide initiator to the mixture, with mixing, while maintaining the temperature of the mixture at least 2.degree. C.Type: GrantFiled: March 5, 1996Date of Patent: March 25, 1997Assignee: Akzo Nobel N.V.Inventors: Rudolph van Drunen, Frans J. van Moorsel
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Patent number: 5605971Abstract: Fluorinated thermoplastic elastomers comprising monomeric units deriving from at least an iodinated olefin of formula:CX.sub.2 .dbd.CX--R.sub.f --CHR--I (I)wherein:X is --H, --F, or --CH.sub.3 ; R is --H or --CH.sub.3 ; R.sub.f is a (per) fluoroalkylene radical, linear or branched, optionally containing one or more ether oxygen atoms, or a (per) fluoropolyoxyalkylene radical.Type: GrantFiled: May 15, 1995Date of Patent: February 25, 1997Assignee: Ausimont S.p.A.Inventors: Vincenzo Arcella, Giulio Brinati, Margherita Albano, Vito Tortelli
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Patent number: 5597870Abstract: A process for making a C.sub.1 -C.sub.22 dialkyl ester of a copolymer of a monoethylenically unsaturated dicarboxylic acid, anhydride or mono-C.sub.1 -C.sub.22 alkyl ester thereof, and a vinyl monomer, such as a C.sub.1 -C.sub.30 alkyl vinyl ether, which comprises reacting said copolymer with a C.sub.1 -C.sub.22 alcohol in the presence of an esterification catalyst.Type: GrantFiled: November 16, 1995Date of Patent: January 28, 1997Assignee: ISP Investments Inc.Inventors: Herbert Ulmer, Robert B. Login
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Patent number: 5596041Abstract: A hydrogenated block copolymer or hydrogenated block copolymer mixture consisting essentially of (a) hydrogenation product of a star-branched block copolymer represented by the structural formula (A-B).sub.n X wherein A is a polybutadiene block having a 1,2-vinyl content of less than 25% by weight and B is a copolymer block containing 50% by weight or more of a conjugated diene compound whose vinyl content is 25% by weight or more, X is a coupling agent residue and n is an integer of 3 or more, and (b) a hydrogenation product of a straight chain block copolymer represented by the structural formula A-B wherein A and B are as defined above, the weight ratio of the component (a) to the component (b) being 100/0 to 5/95, and a hydrogenated block copolymer composition comprising (I) 1 to 99 parts by weight of said hydrogenated block copolymer or hydrogenated block copolymer mixture and (II) 99 to 1 part by weight of a thermoplastic resin and/or a rubbery polymer.Type: GrantFiled: March 31, 1995Date of Patent: January 21, 1997Assignee: Japan Synthetic Rubber Co., Ltd.Inventors: Yoshiharu Hashiguchi, Minoru Hasegawa, Kunio Goshima, Yasuhiko Takemura, Yoshiyuki Higuchi, Motokazu Takeuchi
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Patent number: 5596042Abstract: Olefin thermoplastic elastomers which comprise a partially crosslinked thermoplastic elastomer comprising a crystalline polyolefin resin (A), a block copolymer (B) which is composed of a polymer block of styrene or its derivative and a specific isoprene polymer block, and an olefin rubber (C), and thermoplastic elastomer laminates, having a substrate formed from a specific olefin thermoplastic elastomer or a crystalline polyolefin resin and a skin layer formed from the above-mentioned olefin thermoplastic elastomer, which are excellent in mechanical strength, heat resistance, heat aging resistance, weathering resistance and scratch resistance have been provided by the present invention.Type: GrantFiled: April 4, 1996Date of Patent: January 21, 1997Assignee: Mitsui Petrochemical Industries, Ltd.Inventors: Yuichi Itoh, Kyoko Kobayashi, Akira Uchiyama, Toru Takehara
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Patent number: 5596045Abstract: Expandable styrene polymers containing recycled polystyrene have a content of recycled material of up to 40% by weight, based on the total weight of the polystyrene, wherein, in the course of the polymerization of the reaction mixture, from 100 to 500 ppm of a molecular weight regulator and/or from 0.05 to 1.0% by weight, based in each case on the polymerization solution, of a finely divided polyethylene wax are added.Type: GrantFiled: October 26, 1995Date of Patent: January 21, 1997Assignee: BASF AktiengesellschaftInventors: Dietrich Scherzer, Wolfram Husemann, Michael Witt, Klaus Hahn, Knut Kaempfer, Gerhard Alicke
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Patent number: 5594070Abstract: Polyolefin resin compositions and oriented microporous films prepared from same comprising an ethylene-propylene block copolymer having an ethylene content of about 10 to about 50 wt %, a propylene homopolymer or random propylene copolymer having up to about 10 wt % of a comonomer of ethylene or an .alpha.-olefin of 4 to 8 carbon atoms, and components selected from a low molecular weight polypropylene, a beta-spherulite nucleating agent and an inorganic filler, and to processes for forming such films wherein the microporous films have improved breathability, strength, toughness and break elongation.Type: GrantFiled: June 7, 1995Date of Patent: January 14, 1997Assignee: Amoco CorporationInventors: Philip Jacoby, Charles W. Bauer, Scott R. Clingman, William T. Tapp
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Thermoplastic composition and method for producing thermoplastic composition by melt blending carpet
Patent number: 5591802Abstract: The present invention is directed to a process for forming a thermoplastic composition from carpet wherein a carpet sample are melt blended without separating the carpet into its component parts. The process of the present invention produces a thermoplastic composition useful as a substitute for virgin thermoplastics in a variety of applications.Type: GrantFiled: August 7, 1995Date of Patent: January 7, 1997Inventors: Donald J. David, Jerauld L. Dickerson, Thomas F. Sincock