Polymerized Unsaturated Compound Patents (Class 162/157.4)
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Patent number: 11408128Abstract: A process is provided for applying sizing to a wet laid fibrous sheet that comprises providing an aqueous slurry that comprises cellulose fibers and cellulose ester staple fibers; forming the wet laid fibrous sheet from the slurry; and applying an aqueous sizing composition that comprises one or more sizing agents to the wet laid fibrous sheet. In embodiments, the cellulose ester staple fibers are present in an amount sufficient to permit the sheet to have a higher sizing composition uptake and to impart higher sizing properties to the sheet, compared to a sheet formed from a 100% cellulose fiber slurry, when processed under similar conditions.Type: GrantFiled: July 26, 2019Date of Patent: August 9, 2022Assignee: Eastman Chemical CompanyInventors: Melvin Glenn Mitchell, Charles Stuart Everett, Kenny Randolph Parker
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Patent number: 9506194Abstract: The general inventive concepts relate generally to carbon enhanced reinforcement (CER) fibers, and more particularly, to the controlled dispersion of CER fibers within aqueous or non-aqueous media. The general inventive concepts particularly relate to the controlled dispersion of CER fibers within aqueous or non-aqueous media for forming a nonwoven chopped CER fiber mat. The general inventive concepts also relate to the controlled dispersion of CNSs harvested from CER fibers within aqueous or non-aqueous media for forming a nonwoven CNS mat. Methods for dispersing the CNSs or the CER fibers in aqueous or non-aqueous media are also provided.Type: GrantFiled: September 4, 2013Date of Patent: November 29, 2016Assignee: OCV Intellectual Capital, LLCInventors: Scott William Schweiger, Stephanie Ann Rinne, Leonard Joseph Adzima
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Publication number: 20150114580Abstract: Fibrous elements, for example filaments, containing an acrylamide-based copolymer, fibrous structures employing such fibrous elements, and methods for making same are provided.Type: ApplicationFiled: October 22, 2014Publication date: April 30, 2015Inventors: Matthew Gary McKEE, Gregory Charles GORDON, Joerg KLEINWAECHTER, Mark Robert SIVIK, Paul Dennis TROKHAN
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Publication number: 20140356597Abstract: Water-soluble, printable paper is disclosed. Methods of making and using water-soluble, printable paper are also disclosed.Type: ApplicationFiled: May 27, 2014Publication date: December 4, 2014Applicant: Eastern Technologies Inc.Inventor: John B. Steward
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Publication number: 20140251561Abstract: The present invention relates to a fiber comprising polyvinylpyrrolidone, and a web employing such a fiber.Type: ApplicationFiled: May 19, 2014Publication date: September 11, 2014Applicant: The Procter & Gamble CompanyInventors: Valerie Ann BAILEY, Larry Neil MACKEY, Paul Dennis TROKHAN
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Patent number: 7943699Abstract: Disclosed are films, tapes, and melt-spun fibers prepared from a composition comprising (a) at least one polyester polymer and (b) from about 1 to 30 weight % of at least one ethylene copolymer such as ethylene/vinyl acetate dipolymers, ethylene/vinyl acetate terpolymers, ethylene/alkyl (meth)acrylate dipolymers, ethylene/alkyl (meth)acrylate terpolymers, functionalized ethylene copolymers, ethylene/acid copolymers, and salts thereof. The films, tapes and fibers exhibit improved tensile properties such as tensile strength and elongation at break compared to non-modified polyester compositions. Also disclosed are textiles and articles prepared from the fibers described.Type: GrantFiled: October 20, 2004Date of Patent: May 17, 2011Assignee: E. I. du Pont de Nemours and CompanyInventors: Loic Pierre Rolland, Sam Louis Samuels
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Publication number: 20110100574Abstract: Fibrous structures that exhibit a 4-Factor Consumer Relevant Property Value and more particularly to fibrous structures that exhibit a 5-Factor and/or 6-Factor Consumer Relevant Property Value are provided.Type: ApplicationFiled: November 2, 2010Publication date: May 5, 2011Inventors: Steven Lee Barnholtz, Paul Dennis Trokhan, Christopher Michael Young, Douglas Jay Barkey
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Publication number: 20110104444Abstract: Fibrous structures that exhibit a pore volume distribution such that at least 25% and/or at least 43% of the total pore volume present in the fibrous structures exists in pores of radii of from 91 ?m to 140 ?m, and to methods for making such fibrous structures are provided.Type: ApplicationFiled: November 2, 2010Publication date: May 5, 2011Inventors: Steven Lee Barnholtz, Paul Dennis Trokhan, Douglas Jay Barkey, Christopher Michael Young, Michael Donald Suer
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Publication number: 20090159228Abstract: A size composition for reinforcement fibers used to form non-woven mats that contain variable amounts of individual filaments dispersed from chopped reinforcement fiber bundles is provided. The size composition contains a polyvinylamine film former, one or more silane coupling agents, and, optionally a lubricant. The size composition works in conjunction with the whitewater components in a wet-laid mat forming process to disperse individual filaments from the bundles of chopped fibers. The whitewater contains an anionic polyacrylamide viscosity modifier and/or a cationic or non-ionic amine dispersant (e.g., ethoxylated amine). The presence of a cationic or non-ionic amine in the whitewater disperses individual filaments from the chopped glass fiber bundles. The greater the amount of cationic or non-ionic amine present in the whitewater, the greater the amount of fiber dispersion.Type: ApplicationFiled: December 21, 2007Publication date: June 25, 2009Inventors: Annabeth Law, Scott W. Schweiger, Leonard J. Adzima, Paul R. Krumlauf
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Publication number: 20090126887Abstract: The invention concerns a paper useful as an structural component, the paper comprising 20 to 100 percent by weight of polypyridobisimidazole fiber and a binder material, wherein the paper has (i) a density of 0.08 to 1.5 grams per cubic centimeter and (ii) a basis weight of from 10 to 150 grams per square meter, and the paper, when impregnated with at least 15% by weight of phenolic resin, has a specific tensile stiffness of at least 100 (N/cm)/(g/m2), wherein the weight % is based on the total weight of the paper and resin.Type: ApplicationFiled: December 19, 2006Publication date: May 21, 2009Applicant: E.I. DU PONT DE NEMOURS AND COMPANYInventor: Mikhail R. Levit
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Publication number: 20090101295Abstract: The invention concerns a fibrous pulp comprising polypyridobisimidazole fiber, the pulp having a Canadian Standard Freeness (CSF) of no more than about 650 ml, a specific surface area of from 0.5 to 50 square meters per gram, a length-weighted average length of from 0.5 to 2.0 mm, and a equilibrium moisture content of greater than 10 percent by weight. Also provided are papers made from such pulp and processes for making the pulp.Type: ApplicationFiled: December 19, 2006Publication date: April 23, 2009Inventors: Edmund A. Merriman, Kevin A. Mulcahy, Mikhail R. Levit
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Patent number: 7510626Abstract: A carbon fiber paper including carbon fibers having a surface area ratio of 1.05 or more, and a porous carbon electrode substrate for a fuel cell having this carbon fiber paper as a constituent. The electrode substrate for a fuel cell has carbon fibers uniformly dispersed therein and is flexible. The carbon fiber paper is suitable for production of the electrode substrate.Type: GrantFiled: April 9, 2003Date of Patent: March 31, 2009Assignee: Mitsubishi Rayon Co., Ltd.Inventors: Mitsuo Hamada, Hidehiko Ohashi, Kazushige Mihara, Tomoyoshi Chiba, Makoto Nakamura
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Publication number: 20090078383Abstract: The invention concerns a process for making a fibrillated polypyridobisimidazole floc comprising the steps of: cutting polypyridobisimidazole filaments to an average cut length of from about 0.5 to 10 mm; and applying energy to the polypyridobisimidazole filaments to produce a fibrillated floc having essentially the same average cut length after the application of energy as before the application of energy; where the fibrillated floc having a Canadian Standard Freeness (CSF), when dispersed in water by itself, of from about 400 to 750 ml.Type: ApplicationFiled: December 19, 2006Publication date: March 26, 2009Inventors: Mikhail R. Levit, Achim Amma, Edmund A. Merriman
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Publication number: 20080251224Abstract: A process is described for manufacturing a paperboard from a high consistency slurry containing high levels of crosslinked cellulosic fibers by dispersing the fibers in a screen with a rotor in the screen and then passing the fibers through the screen basket with a hole diameter of at least 2 mm and forming the cellulosic fibers on a foraminous support. Another slurry of regular cellulosic fibers is deposited on at least one side of the first slurry during the formation process. The formed web is dewatered and dried.Type: ApplicationFiled: April 10, 2008Publication date: October 16, 2008Applicant: Weyerhaeuser Co.Inventor: Paul A. Schwonke
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Publication number: 20080047678Abstract: The invention relates to polymers useful as a papermaking additives, The invention also relates to methods for making and using such additives.Type: ApplicationFiled: April 19, 2005Publication date: February 28, 2008Applicant: KEMIRA OYJInventors: Lucyna Pawlowska, Robert Proverb
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Patent number: 7306846Abstract: Discrete particles of cellulosic material are flowable and meterable. They are easily dispersible in an aqueous or a dry medium. The particles comprise singulated cellulose fibers that have been densified. The particles have a density of at least 0.3 g/cc.Type: GrantFiled: August 19, 2005Date of Patent: December 11, 2007Assignee: Weyerhaeuser CompanyInventors: Ramon C. Dezutter, Michael R. Hansen
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Patent number: 7272915Abstract: A composite sheet, and a process of making the same, including cured modified urea formaldehyde reinforced by glass fibers. The modifier is an acrylonitrile-butadiene-styrene copolymer. A roofing shingle, formed by coating the composite sheet with filled asphalt, represents a major application of the composite sheet.Type: GrantFiled: May 7, 2004Date of Patent: September 25, 2007Assignee: Building Materials Investment CorporationInventor: Qinyun Peng
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Patent number: 6720388Abstract: A polypropylene blend including from 0.5 to 50% by weight of a syndiotactic polypropylene having a multimodal molecular weight distribution and at least 50% by weight of an isotactic polypropylene.Type: GrantFiled: January 24, 2002Date of Patent: April 13, 2004Assignee: Atofina Research S.A.Inventor: Axel Demain
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Patent number: 6706147Abstract: The invention relates to a coated fiber mat of improved tear strength upon dividing pieces of the coated mat and the coating which comprises a cured, non-woven, fiber glass mat containing a polysiloxane wherein the fibers are fixedly distributed in a formaldehyde type binder containing a binder modifier which is a crosslinked styrene/acrylic polymer, and to a process for the preparation of the mat.Type: GrantFiled: December 9, 2002Date of Patent: March 16, 2004Assignee: Building Materials Investment CorporationInventors: Qinyun Peng, Krishna Srinivasan
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Publication number: 20030051838Abstract: The present invention provides a synthetic fiber paper, the synthetic fiber paper comprises poly (phenylene terephthal amide) fiber, polyethylene glycol terephthalate fiber and powdered mica. The synthetic fiber paper has high-temperature resistance, high strength. low-deformability, resistivity against fire, burning resistance, resistance to chemical corrosion and excellent property of electric insulation, it can be widely applied in the field of mechano-electronics product, aviation, aerospace, military project for national defense, high-tech areas for civil use, high-voltage equipment, high-temperature circumstance as insulting material, it often can be used in composite materials with special use as structural material. The present invention also provides a process for preparing this synthetic fiber paper.Type: ApplicationFiled: September 3, 2002Publication date: March 20, 2003Applicant: Sichuan Foreign Economic Relations & Trade CorporationInventors: Xingli Wang, Shiyi Tao
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Patent number: 6482895Abstract: The subject invention is directed to fibers and polymer blend compositions having improved bonding performance. In particular, the subject invention pertains to a multiconstituent fiber comprising a blend of a polypropylene polymer and a high molecular weight (i.e. low melt index or melt flow) ethylene polymer. The subject invention further pertains to the use of the fiber and polymer blend composition which has improved bonding performance in various end-use applications, especially woven and nonwoven fabrics such as, for example, disposable incontinence garments and diapers. The fibers have good spinnability and provide fabrics having improved bond strength and elongation.Type: GrantFiled: June 15, 2001Date of Patent: November 19, 2002Assignee: Dow Global Technologies Inc.Inventors: Rexford A. Maugans, Kenneth B. Stewart, Edward N. Knickerbocker