Synthetic (including Chemically Modified Cellulose) Patents (Class 162/146)
  • Patent number: 11884563
    Abstract: A composition and method are disclosed for forming lignin-containing floccules from dissolved lignin, lignin nanoparticles, lignin colloids, or lignin-containing cellulose nanofibers. The floccules may be used to clean oil-contaminated materials such as oil-contaminated plastics or oil-contaminated water. The polymers and oil may then be recovered for further use, without requiring organic solvents.
    Type: Grant
    Filed: March 9, 2022
    Date of Patent: January 30, 2024
    Assignee: Board of Supervisors of Louisiana State University and Agricultural and Mechanical College
    Inventors: Qinglin Wu, Pawan Kumar Mishra
  • Patent number: 11851820
    Abstract: Paper with a grammage of 10-100 g/m2 including at least 20 wt. % of microfilaments and at least 20 wt. % of a non-resinous binder, the microfilaments having an average filament length in the range of 2-25 mm and titer less than 1.3 dtex, the non-resinous binder comprising at least one of fibrid or pulp. The paper shows high strength and other attractive properties.
    Type: Grant
    Filed: January 20, 2023
    Date of Patent: December 26, 2023
    Assignee: TEIJIN ARAMID B.V.
    Inventors: Fresia Alvarado Chacon, Richard Visser, Ernst Michael Winkler
  • Patent number: 11821140
    Abstract: Fibrids comprising poly alpha-1,3-glucan or surface-modified poly alpha-1,3-glucan were produced and characterized. Applications and products for using these fibrids include emulsification, viscosity modification, paper and paper making, personal care products, pharmaceutical products, food products, paper coatings, and composites. Examples of surface-modified poly alpha-1,3-glucan fibrids include those with a positive surface charge.
    Type: Grant
    Filed: September 10, 2021
    Date of Patent: November 21, 2023
    Assignee: NUTRITION & BIOSCIENCES USA 4, INC.
    Inventors: Natnael Behabtu, Jayme L. Paullin, Mikhail R. Levit
  • Patent number: 11821141
    Abstract: An airlaid substrate includes at least one bicomponent fiber having a first region and a second region. The first region includes polypropylene and the second includes a blend of an ethylene-base polymer and an ethylene acid copolymer. The ethylene-base polymer has a density from 0.920 g/cm3 to 0.970 g/cm3 and a melt index (I2) from 0.5 g/10 min to 150 g/10 min. The ethylene acid copolymer includes the polymerized reaction product of from 60 wt % to 99 wt % ethylene monomer and from 1 wt % to 40 wt % unsaturated dicarboxylic acid comonomer, based on the total weight of the monomers in the ethylene acid copolymer. The ethylene acid copolymer having a melt index (I2) from 0.5 g/10 min to 500 g/10 min.
    Type: Grant
    Filed: December 10, 2018
    Date of Patent: November 21, 2023
    Assignee: Dow Global Technologies LLC
    Inventors: Lihua Chen, Phil Xu, Shenglong Chen
  • Patent number: 11781045
    Abstract: Methods for upcycling crosslinked sodium polyacrylate to pressure sensitive adhesives via (a) mechanochemical chain-shortening and esterification or (b) esterifying with high conversion with a Fischer esterification process are disclosed. Also disclosed is a pressure sensitive adhesive prepared by the disclosed methods and articles comprising the pressure sensitive adhesive, including, but not limited to, pressure sensitive tape, a bandage, a label, note pads, a decal, a stamp, an envelope, a sticker, packaging, automobile trim, and a film.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: October 10, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Dimitris Ioannis Collias, Paul Zimmerman, Paul Takunda Chazovachii, Michael Robo, Anne McNeil, Neil Marsh, Martin Ian James
  • Patent number: 11739240
    Abstract: Methods for upcycling crosslinked sodium polyacrylate to pressure sensitive adhesives via (a) mechanochemical chain-shortening and esterification or (b) esterifying with high conversion with a Fischer esterification process are disclosed. Also disclosed is a pressure sensitive adhesive prepared by the disclosed methods and articles comprising the pressure sensitive adhesive, including, but not limited to, pressure sensitive tape, a bandage, a label, note pads, a decal, a stamp, an envelope, a sticker, packaging, automobile trim, and a film.
    Type: Grant
    Filed: August 24, 2020
    Date of Patent: August 29, 2023
    Assignee: The Procter & Gamble Company
    Inventors: Dimitris Ioannis Collias, Paul Zimmerman, Paul Takunda Chazovachii, Michael Robo, Anne McNeil, Neil Marsh, Martin Ian James
  • Patent number: 11732418
    Abstract: The composite structure includes a fiber-containing layer, such as a fiberboard layer or other layer having fibers from natural and/or synthetic sources, and a mineral-containing layer covering the fiber-containing layer. The fiber-containing layer and mineral-containing layer can be shaped, sized and manufactured such that the composite structure formed therefrom is capable of being machined to form a storage article. The composite structure has advantages in that it can improve whiteness, opacity, ink adhesion, materials reduction, barrier properties, recyclability, and printability. The composite can reduce polymer mass requirements for heat seal, barrier, and fiber adhesion. Further improvements include economics, pliability, and flexibility that is increased over the pliability of the fiber-containing layer alone.
    Type: Grant
    Filed: June 21, 2022
    Date of Patent: August 22, 2023
    Assignee: Smart Planet Technologies, Inc.
    Inventor: Christopher R. Tilton
  • Patent number: 11686048
    Abstract: An aramid-based paper comprising at least 90 wt. % of aramid material, the aramid material including at least one of aramid shortcut and aramid fibrid, the paper including at most 40 wt. % aramid pulp, calculated on the total amount of aramid material, wherein the paper includes 0.1-10 wt. % of polyamido-amine epichlorohydrin (PAE). It has been found that the incorporation of 0.1-10 wt. % of polyamido-amine epichlorohydrin (PAE) into an aramid-based paper including at least 90 wt. % of aramid material calculated on the weight of the paper not including the PAE, the aramid material including at least one of aramid shortcut and aramid fibrid, the paper including at most 40 wt. % aramid pulp, leads to a surprising improvement of the z-strength and the tear strength of the paper.
    Type: Grant
    Filed: May 27, 2019
    Date of Patent: June 27, 2023
    Assignee: TEIJIN ARAMID B.V.
    Inventors: Antonius J. J. Hendriks, Yen Vu, Ernst Michael Winkler, Jan-Cees Tiecken
  • Patent number: 11685096
    Abstract: Disclosed is a method for the manufacture of fibrous yarn including the steps, where an aqueous suspension including fibers and at least one rheology modifier is provided, followed by directing the suspension through at least one nozzle, to form at least one yarn, and then dewatering the yarn.
    Type: Grant
    Filed: September 11, 2020
    Date of Patent: June 27, 2023
    Assignee: SPINNOVA OY
    Inventors: Juha Salmela, Harri Kiiskinen, Antti Oksanen
  • Patent number: 11661688
    Abstract: The invention relates to a nonwoven fabric material having sufficient strength to be used in a pre-moistened state but also having dispersibility properties which allow the product to be flushed. The material comprises at least two nonwoven webs, at least one of which is hydroentangled. Each of the individual webs comprise 50%-95% wood pulp and 5%-50% of short cut man-made fibers and/or natural fibers and has a basis weight of 20-100 gsm. After forming the webs, the two nonwoven webs are dried and then joined together by particle binders through size press or spraying. The particle binder joined webs separate into individual webs after flushing due to the breakage of particle binder-nonwoven hydrogen bond which makes the material highly dispersible.
    Type: Grant
    Filed: February 8, 2018
    Date of Patent: May 30, 2023
    Assignee: Suominen Oyj
    Inventor: Avinav G. Nandgaonkar
  • Patent number: 11649588
    Abstract: Paper with a grammage of 10-100 g/m2 including at least 20 wt. % of microfilaments and at least 20 wt. % of a non-resinous binder, the microfilaments having an average filament length in the range of 2-25 mm and titer less than 1.3 dtex, the non-resinous binder comprising at least one of fibrid or pulp. The paper shows high strength and other attractive properties.
    Type: Grant
    Filed: July 19, 2022
    Date of Patent: May 16, 2023
    Assignee: TEIJIN ARAMID B.V.
    Inventors: Fresia Alvarado Chacon, Richard Visser, Ernst Michael Winkler
  • Patent number: 11643762
    Abstract: The present invention provides a knitted fabric with leather fibers comprising a ground yarn layer and a face yarn layer directly connected with the ground yarn layer through double knitting. The ground yarn layer includes a plurality of first yarn loops, each of the first yarn loops is formed by a plurality of ground yarns. The face yarn layer includes a plurality of second yarn loops, each of the second yarn loops is formed by at least one face yarn attached with the leather fibers obtained from a piece of leather by a pulverization operation. A course ratio of the face yarn layer to the ground yarn layer is in a range between 1:1.25 and 1:4. Accordingly, the invention provides an innovative knitted fabric and solves the problem that the leather cannot be recycled after being discarded.
    Type: Grant
    Filed: November 18, 2020
    Date of Patent: May 9, 2023
    Assignee: ZHONGSHAN YOURWAY FASHION TECHNOLOGY LTD.
    Inventor: Chin-Hsun Hsiao
  • Patent number: 11633935
    Abstract: Described herein is an stain and sag resistant acoustic building panel comprising a porous body formed from building material and latex binder, wherein the building material may include fibers and filler and at one of the building materials has been pre-treated with a charge-modifying component, thereby enhancing the sag-resistance of the building panel.
    Type: Grant
    Filed: March 9, 2020
    Date of Patent: April 25, 2023
    Assignee: AWI Licensing LLC
    Inventors: James D. Pape, Gourish Sirdeshpande, Joanne Lefever, Kimberly Diffenbaugh, Jere Myers, John Felegi, Jr.
  • Patent number: 11591729
    Abstract: Disclosed herein are nonwoven webs comprising a nonwoven substrate and a binder comprising a polysaccharide. In one embodiment, the polysaccharide can comprise poly alpha-1,3-glucan, a poly alpha-1,3-glucan ether compound as disclosed herein, a poly alpha-1,3-glucan ester compound as disclosed herein, a graft copolymer comprising a backbone comprising dextran and poly alpha-1,3-glucan side chains, a crosslinked graft copolymer comprising a backbone comprising dextran and poly alpha-1,3-glucan chains, or a mixture thereof. Also disclosed are articles comprising the nonwoven webs, and methods of making the nonwoven webs.
    Type: Grant
    Filed: September 11, 2018
    Date of Patent: February 28, 2023
    Assignee: NUTRITION & BIOSCIENCES USA 4, INC.
    Inventors: Natnael Behabtu, Monica Harvey, Christian Peter Lenges, Ian Robert Beardsall
  • Patent number: 11512434
    Abstract: A water-dispersible composite structure, which comprises one or more layers, and a method of producing the same. At least a part of the layers is formed by a fibrous web or sheet containing 50-90 parts by weight of wood fibers and 10-90 parts by weight of annual or perennial plant fibers and/or 10-50 parts by weight of synthetic short-cut fibers, and 0.1-20% by weight of a binder, calculated from the weight of the fibers, and at least a part of the binder being a water-soluble polymer and another part a water dispersible binder, and the fibrous sheet or web being produced by wet forming. By means of the invention, the fibers of the composite structure can be recovered and recycled by equipment conventionally used in the paper and paperboard industry.
    Type: Grant
    Filed: July 15, 2019
    Date of Patent: November 29, 2022
    Assignee: Paptic Oy
    Inventors: Karita Kinnunen-Raudaskoski, Martin Häggblom
  • Patent number: 11512433
    Abstract: A wet laid process includes a method for making paper in which a composition containing co-refined cellulose fibers and cellulose ester fibers made into a thick stock composition in a machine chest, the thick stock is fed to a cleaning/screening zone through a device that regulates the flow rate of thick stock, the consistency of the thick stock fed to the screening/cleaning zone is reduced to form a thin stock composition; the thin stock composition is subjected to a process for cleaning the thin stock and feeding the cleaned thin stock through screens to form a cleaned and screened thin stock composition, and the cleaned and screened thin stock composition is fed to a headbox.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: November 29, 2022
    Assignee: Eastman Chemical Company
    Inventors: Charles Stuart Everett, Melvin Glenn Mitchell, Kenny Randolph Parker, Koushik Ghosh, Mounir Izallalen
  • Patent number: 11505769
    Abstract: A wipe article includes a substrate, a cationic coating disposed on a surface of the substrate, distributed throughout the substrate, or both. The cationic coating contains a guanidinyl-containing polymer that is crosslinked and bound to the substrate. The substrate includes sponge, nonwoven fabric, or woven fabric. The wipes are useful for removing microorganisms from a microorganism-contaminated surface and also for reducing re-contamination of the cleaned surface or transfer to another surface of the removed microorganisms.
    Type: Grant
    Filed: October 21, 2020
    Date of Patent: November 22, 2022
    Assignee: 3M Innovative Properties Company
    Inventors: Steven P. Swanson, Jerald K. Rasmussen, George W. Griesgraber, Andrew W. Vail, Andrew S. Waller
  • Patent number: 11492761
    Abstract: A ply-bonding agent or adhesive composition characterized by a viscosity and a surface tension for the manufacture of paper tissue and paper towel, includes: (a) water; (b) nanofibrillated cellulose; and (c) one or more modifiers effective to modify either or both of (i) the viscosity of the composition or (ii) the surface tension of the composition, wherein the one or more additional modifiers are selected from the group consisting of components (iii), (iv), (v), (vi), (vii) or (viii), wherein: (iii) is PVOH and a viscosity modifier; (iv) is a viscosity modifier; (v) is a viscosity modifier and a surface tension modifier other than PVOH; (vi) is a water-soluble cellulose derivative; (vii) is a water soluble polyol; and (viii) is a surface tension modifier other than PVOH. The compositions are particularly useful for ply-bonding multi-ply absorbent sheet when the plies are treated with debonder.
    Type: Grant
    Filed: November 12, 2020
    Date of Patent: November 8, 2022
    Assignee: GPCP IP Holdings LLC
    Inventors: Zhiying Yu, Siddharth S. Vaijapurkar, Daniel W. Sumnicht
  • Patent number: 11427962
    Abstract: Paper with a grammage of 10-100 g/m2 including at least 20 wt. % of microfilaments and at least 20 wt. % of a non-resinous binder, the microfilaments having an average filament length in the range of 2-25 mm and titer less than 1.3 dtex, the non-resinous binder comprising at least one of fibril or pulp. The paper shows high strength and other attractive properties.
    Type: Grant
    Filed: December 23, 2011
    Date of Patent: August 30, 2022
    Assignee: TEIJIN ARAMID B.V.
    Inventors: Fresia Alvarado Chacon, Richard Visser, Ernst Michael Winkler
  • Patent number: 11401362
    Abstract: A water-soluble and/or water-swellable hybrid polymer comprising: (i) from 5 wt.-% to 95 wt.-% water-soluble and/or water-swellable polysaccharide polymer; (ii) from 5 wt.-% to 95 wt.-% synthetic polymer comprising: (a) from 40 mol-% to 99 mol-% of repeating units according to Formula (1) (b) from 0.01 mol-% to 5 mol-% crosslinking or branching units, wherein the crosslinking or branching units result from the incorporation of a monomer comprising at least two olefinically unsaturated double bonds; (c) from 0.99 mol-% to 59.99 mol-% of repeating neutral structural units; wherein components (i) and (ii) are polymerized by radical precipitation polymerization in a polar solvent.
    Type: Grant
    Filed: December 6, 2017
    Date of Patent: August 2, 2022
    Assignee: CLARIANT INTERNATIONAL LTD
    Inventors: Dirk Fischer, Katharina Berz, Gundula Starkulla
  • Patent number: 11384479
    Abstract: The present invention refers to a method for improving the sharpness and stability of prints by digital printing on hair fabrics and a textile product obtained by the method, which is aimed at solving the problem of capturing a predetermined digital image on a fabric of hair, where the image has characteristics of definition, contrast and durability of the print without neglecting or affecting the texture and joints of the tissue on which it is shaped. Preferably without intending to limit the scope of the invention, the woven material can be bedding such as blankets, quilts and the like, clothing, woven items for personal use, among others made of hair fabrics.
    Type: Grant
    Filed: March 11, 2020
    Date of Patent: July 12, 2022
    Assignee: Grupo Textil Providencia, S.A. de C.V.
    Inventor: Rafael Enrique Cendales Miguez
  • Patent number: 11339529
    Abstract: The present invention aims to provide cellulose fibers covered by inorganic particles on the fiber surface. According to the present invention, complexes of a cellulose fiber and inorganic particles wherein 15% or more of the surface of the cellulose fiber is covered by the inorganic particles can be obtained.
    Type: Grant
    Filed: September 21, 2016
    Date of Patent: May 24, 2022
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Moe Fukuoka, Toru Nakatani, Shisei Goto, Masatoshi Oishi, Hiroaki Noguchi
  • Patent number: 11332885
    Abstract: The present invention provides compositions comprising cellulose fibers and cellulose ester fibers and wet laid articles made from the compositions, as well as wet laid processes to produce these compositions. More specifically, the present invention provided compositions comprising cellulose fibers and cellulose acetate fibers and wet laid articles made from these compositions as well as wet laid processes to produce these compositions. The present invention also relates to developing a composition, process, wet laid product, or articles exhibiting any one of many desired benefits.
    Type: Grant
    Filed: July 26, 2019
    Date of Patent: May 17, 2022
    Assignee: Eastman Chemical Company
    Inventors: Charles Stuart Everett, Melvin Glenn Mitchell, Kenny Randolph Parker, Koushik Ghosh, Mounir Izallalen
  • Patent number: 11319672
    Abstract: The present invention relates to a method for production of product comprising a first ply, the method comprising the steps of: providing a fibrous suspension comprising fibers; providing said fibrous suspension to a porous medium to form a substrate comprising fibers; providing a first additive suspension comprising a first strengthening agent, wherein the first strengthening agent is microfibrillated cellulose; providing a second additive suspension comprising at least one retention agent and/or at least one drainage agent; dewatering said substrate on said porous medium; performing additive addition to said substrate during said dewatering of said substrate on said porous medium, wherein the additive addition is performed when the substrate has a dry content of less than 20 weight-%, preferably less than 10 weight-%, most preferably less than 7 weight-%, and wherein the additive addition comprises adding at least a layer of said first additive suspension and a layer of said second additive suspension to sa
    Type: Grant
    Filed: February 25, 2019
    Date of Patent: May 3, 2022
    Assignee: Stora Enso OYJ
    Inventors: Kaj Backfolk, Isto Heiskanen, Esa Saukkonen
  • Patent number: 11274720
    Abstract: Asbestos-free organic friction material, in particular for producing brake pads and shoes for vehicles made up of a composition or mixture having a fibrous base, a filler, and an organic binder. The composition is completely free of copper and copper compounds or alloys and includes in the fibrous base, together with inorganic and/or organic fibers, from 1% to 10% by volume, calculated relative to the total volume of the composition, of stainless steel fibers.
    Type: Grant
    Filed: August 7, 2013
    Date of Patent: March 15, 2022
    Inventor: Flavio Trombotto
  • Patent number: 11274396
    Abstract: In a method for producing nanofibrillar cellulose, cellulose based fibre material, in which internal bonds in cellulose fibres have been weakened by 5 preliminary modification of cellulose, is subjected to disintegration treatment in form of pulp comprising fibres and liquid. The fibre material is supplied at a consistency higher than 10 wt-%, preferably at least 15 wt-%, to a disintegration treatment where fibrils are detached from the fibre material by joint effect of repeated impacts to the fibre material by fast moving 10 successive elements and the weakened internal bonds of the cellulose fibres. The nanofibrillar cellulose is withdrawn from the disintegration treatment at dry matter which is equal or higher than the consistency of the fibre material.
    Type: Grant
    Filed: May 13, 2020
    Date of Patent: March 15, 2022
    Assignee: UPM-KYMMENE CORPORATION
    Inventors: Markus Nuopponen, Juha Tamper, Isko Kajanto
  • Patent number: 11207624
    Abstract: A high performance media for filtration and other applications uses specially designed binder fibers, wherein the filter media uses higher strength binder fibers to provide the media with high efficiency, high permeability, and high dirt holding capacity while also providing higher strength and stability during process and use.
    Type: Grant
    Filed: July 31, 2018
    Date of Patent: December 28, 2021
    Inventor: Qiong Gao
  • Patent number: 11186952
    Abstract: A composition in accordance with an aspect of the present invention includes: composite fibers composed of inorganic particles and fibers; and at least one of (i) different-type inorganic particles which are different in type from the inorganic particles, (ii) different-type fibers which are different in type from the fibers, and (iii) organic particles.
    Type: Grant
    Filed: February 9, 2018
    Date of Patent: November 30, 2021
    Assignee: NIPPON PAPER INDUSTRIES CO., LTD.
    Inventors: Masatoshi Oishi, Naoyuki Sugawara, Shisei Goto
  • Patent number: 11180876
    Abstract: A thermally bonded filtration media that can be used in high temperature conditions in the absence of any loss of fiber through thermal effects or mechanical impact on the fiber components is disclosed. The filter media can be manufactured and used in a filter unit or structure, can be placed in a stream of removable fluid, and can remove a particulate load from the mobile stream at an increased temperature range. The combination of bi-component fiber, other filter media fiber, and other filtration additives provides an improved filtration media having unique properties in high temperature, high performance applications.
    Type: Grant
    Filed: March 16, 2012
    Date of Patent: November 23, 2021
    Assignee: Donaldson Company, Inc.
    Inventors: Daniel Little, Robert M. Rogers, Derek O. Jones, Keh B. Dema
  • Patent number: 11155966
    Abstract: A hydrolytic sheet is obtained by impregnating a base paper sheet with an aqueous agent. The base paper sheet has a weight per unit area of 30 to 150 gsm and includes a water-soluble binder. The aqueous agent includes a cross-linking agent which cross-links with the water-soluble binder and cellulose nanofiber.
    Type: Grant
    Filed: January 26, 2018
    Date of Patent: October 26, 2021
    Assignee: DAIO PAPER CORPORATION
    Inventors: Kosuke Yamazaki, Shinpei Mukoyama
  • Patent number: 11131064
    Abstract: The present invention provides a preparation method of aramid fiber far-infrared emitting paper. In the present invention, para-aramid chopped fiber and para-aramid pulp fiber are used as paper base functional materials with excellent characteristics of high specific strength and high specific stiffness. In addition, the para-aramid chopped fiber and the para-aramid pulp fiber can form a paper material with pores and porous channels, and carbon nanotubes are embedded into the structural pores and porous channels of the paper material. Therefore, the aramid fiber far-infrared emitting paper has better molding quality and composite performance. Results of embodiments indicate that: A far-infrared wavelength emitted by the aramid fiber far-infrared emitting paper provided in the present invention is 4 ?m to 20 ?m, a main frequency band thereof is approximately 10 ?m, and far-infrared conversion efficiency is up to 99%; and the aramid fiber far-infrared emitting paper has tensile strength of 0.12 KN/mm2 to 0.
    Type: Grant
    Filed: August 22, 2018
    Date of Patent: September 28, 2021
    Assignee: NANOCARBON CO., LTD.
    Inventors: Xiaogang Sun, Dianmo Zheng, Manyuan Cai, Yanyan Nie, Long Chen, Hezheng Pan
  • Patent number: 11124920
    Abstract: A method of making a tissue basesheet includes: (a) forming a nascent web from an aqueous furnish of papermaking fiber; (b) applying an aqueous composition of nanofibrillar cellulose to a surface of the nascent web; and (c) drying the nascent web to provide the tissue basesheet. Typically the basesheet is constructed with a tissue substrate of cellulosic papermaking fiber having applied to a surface thereof a layer of nanofibrillar cellulose, the tissue substrate having a basis weight of from 15 g/m2 to 30 g/m2 and the layer of nanofibrillar cellulose having a coatweight of from 0.25 g/m2 to 3 g/m2. The product may be incorporated into 2-ply or 3-ply bath tissue.
    Type: Grant
    Filed: August 13, 2020
    Date of Patent: September 21, 2021
    Assignee: GPCP IP Holdings LLC
    Inventor: Carlos L. Salas Araujo
  • Patent number: 11111976
    Abstract: The present invention relates to a method and an apparatus for manufacturing a brake pad, which are configured to stabilize quality of the brake pad. The present invention provides a method of manufacturing a brake pad including a friction material and a backing plate which are coupled to each other, the method including: a preliminary process of preparing friction material powder and the backing plate; a forming process of forming the friction material powder in the form of the friction material and attaching the friction material to one surface of the backing plate; a quality stabilization process of heating and pressing the friction material after the forming process is completed; a heat treatment process of heating the brake pad at a predetermined temperature after the quality stabilization process is completed; and a grinding process of grinding the friction material.
    Type: Grant
    Filed: November 12, 2018
    Date of Patent: September 7, 2021
    Assignee: KB AUTOSYS CO., LTD
    Inventor: Yong Woong Kim
  • Patent number: 11078626
    Abstract: A method for forming a thermoplastic composite material in a papermaking machine, wherein the method comprises the steps of: forming an aqueous fiber material suspension; bringing said fiber suspension in contact with at least one additive, said additive being introduced into said fiber suspension, whereby said additive reacts to form a precipitation product onto or into the fibers, thereby forming an intermediate suspension, introducing, after the formation of the intermediate suspension, a plastic material into said intermediate suspension, thereby forming a plastic fiber composite suspension.
    Type: Grant
    Filed: May 6, 2015
    Date of Patent: August 3, 2021
    Assignee: Stora Enso OYJ
    Inventor: Kaj Backfolk
  • Patent number: 10883228
    Abstract: A method of making a tissue or paper towel product including forming two or more multi-layered webs of cellulosic fibers by a papermaking process using a structured fabric, the papermaking process comprising a step of adding a cross-linker to a pulp slurry comprising the cellulosic fibers so that at least some of the cellulosic fibers are cross-linked within the pulp slurry, and laminating the two or more multi-layered webs together so as to form a multi-ply product, each ply of the multi-ply product comprising cross-linked fibers as a percentage of the total fiber mix of the ply.
    Type: Grant
    Filed: April 24, 2018
    Date of Patent: January 5, 2021
    Assignee: STRUCTURED I, LLC
    Inventors: James E. Bradbury, Dustin Ziegelman, James E. Sealey, II, Byrd Tyler Miller, IV
  • Patent number: 10830296
    Abstract: The present application discloses a ceramic preform, a method of making a ceramic preform, a MMC comprising a ceramic preform, and a method of making a MMC. The method of making a ceramic preform generally comprises preparing reinforcing fibers, preparing a ceramic compound, and forming the compound into a desired shape to create the ceramic preform. In certain embodiments, the ceramic compound is formed as either a disc or a ring for use in a brake disc metal matrix composite. The metal matrix composite generally comprises the ceramic preform infiltrated with a molten metal to form the brake disc metal matrix composite. The method of making the metal matrix composite generally comprises heating the ceramic preform, placing the ceramic preform in a mold cavity of a die cast mold, and introducing molten metal into the mold cavity to infiltrate the ceramic preform to form the brake disc metal matrix composite.
    Type: Grant
    Filed: April 21, 2017
    Date of Patent: November 10, 2020
    Assignee: INTELLECTUAL PROPERTY HOLDINGS, LLC
    Inventors: Dan T. Moore, Evelyn M. Deliso, Joseph B. Richey, III, Ryan G. Sarkisian, Tongzhai Gao, Andrew Dorman
  • Patent number: 10767311
    Abstract: A fibrous substrate material for producing a porous coating base paper or prepreg comprises a planar impregnatable structure made of cellulose fibers, which contains at least one pigment species and optionally contains further additives conventional for paper. The cellulose fibers contain a proportion of 1 to 20 wt.-% of nanofibrillated cellulose (NFC). A method for producing the fibrous substrate material comprises the steps of: providing an aqueous suspension containing a cellulose containing material and an admixture of said pigment species and, optionally, further additives conventional for paper, sheet forming, drying. The cellulose containing material contains a proportion of 1 to 20 wt.-% of NFC with a specific surface (SSA) of at least 125 m2/g.
    Type: Grant
    Filed: June 3, 2016
    Date of Patent: September 8, 2020
    Assignees: Schattdecor AG, Factum Consult GmbH
    Inventors: Dieter Walesch, Tanja Zimmermann, Gilberto Siqueira, Sebastien Josset
  • Patent number: 10694813
    Abstract: The invention aims to provide a shoe sole member capable of achieving comfort when using shoes and exhibiting excellent shape-recovering properties after using the shoes. Provided is a shoe sole member formed using a polymer foam, and the polymer foam contains fibers dispersed therein.
    Type: Grant
    Filed: May 1, 2013
    Date of Patent: June 30, 2020
    Assignee: ASICS CORPORATION
    Inventor: Junichiro Tateishi
  • Patent number: 10646386
    Abstract: Provided is a method for efficiently recovering pulp fiber from used hygiene products that include pulp fiber and a polymer absorbent. This method is characterized by including a step for introducing the used hygiene product into a treatment tank in which an aqueous solution with ozone dissolved therein has been introduced, and a step for treating the used hygiene product while infusing water into the treatment tank at a first flow rate, extracting the aqueous solution from the treatment tank at a second flow rate and introducing a gas containing ozone into the aqueous solution in the treatment tank, thereby decomposing the polymer absorbent, lowering the molecular weight thereof, and making the same dissolvable.
    Type: Grant
    Filed: October 24, 2016
    Date of Patent: May 12, 2020
    Assignee: UNICHARM CORPORATION
    Inventors: Takayoshi Konishi, Toshio Hiraoka, Noritomo Kameda, Hideaki Ichiura
  • Patent number: 10563352
    Abstract: A scalable, energy efficient process for preparing cellulose nanofibers is disclosed. The process employs a depolymerizing treatment with one or both of: (a) a relatively high charge of ozone under conditions that promote the formation of free radicals to chemically depolymerize the cellulose fiber cell wall and interfiber bonds; or (b) a cellulase enzyme. Depolymerization may be estimated by pulp viscosity changes. The depolymerizing treatment is followed by or concurrent with mechanical comminution of the treated fibers, the comminution being done in any of several mechanical comminuting devices, the amount of energy savings varying depending on the type of comminuting system and the treatment conditions. Comminution may be carried out to any of several endpoint measures such as fiber length, % fines or slurry viscosity.
    Type: Grant
    Filed: June 13, 2013
    Date of Patent: February 18, 2020
    Assignee: University of Maine System Board of Trustees
    Inventors: Michael A. Bilodeau, Mark A. Paradis
  • Patent number: 10501892
    Abstract: The present invention provides a tissue product formed from a fiber furnish consisting essentially of short cellulosic fibers, such as fibers having an average fiber length less than about 2.0 mm, and a synthetic fiber having at least one cross-section dimension less than about 20 microns. The invention also provides a tissue product comprising at least one wet laid multi-layered tissue web comprising a fiber furnish consisting essentially of synthetic fibers and short cellulosic fibers, the multi-layered tissue web having a first and second outer layer and a middle layer disposed there between where the synthetic fibers are selectively disposed in the middle layer. Generally the tissue product comprises less than about 30 percent, by weight of the tissue product, synthetic fiber. In a preferred embodiment the tissue product comprises non-fibrillated polyethylene terephthalate (PET) fibers having a circular cross-section shape with a diameter less than about 5.
    Type: Grant
    Filed: September 29, 2016
    Date of Patent: December 10, 2019
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Thomas Gerard Shannon, Bo Shi
  • Patent number: 10471395
    Abstract: A hollow fiber membrane and a method of preparing the same. The hollow fiber membrane has an inner surface and an outer surface, wherein the inner surface has a zebra-stripe pattern in which a dense portion and a porous portion are alternately formed in a longitudinal direction of the hollow fiber membrane.
    Type: Grant
    Filed: September 27, 2017
    Date of Patent: November 12, 2019
    Assignee: LOTTE CHEMICAL CORPORATION
    Inventors: Dong Jun Im, Bum Jin Park, Chang Min Seo
  • Patent number: 10400073
    Abstract: The invention concerns a method for the surface crosslinking of a polymer, in particle form, having one or a plurality of labile hydrogen functions, comprising a step of implementing a crosslinking agent comprising at least two functions likely to react with the labile hydrogen functions of the polymer, the crosslinking method being carried out at a temperature lower than the melting point of the polymer. The invention also concerns a powder particle and the uses of same.
    Type: Grant
    Filed: May 16, 2014
    Date of Patent: September 3, 2019
    Assignee: Arkema France
    Inventors: Geoffroy Cammage, Nicolas Dufaure, Guillaume Le, Cyrille Mathieu
  • Patent number: 10358773
    Abstract: The present invention relates to a resin fine particle dispersion optimal for manufacturing a sheet product such as paper. Specifically, an object of the present invention is to provide a resin fine particle dispersion with which a sheet product having excellent heat resistance and high mechanical strength is obtained, and which has a small environmental load due to a small amount of resin particles remaining in wastewater after papermaking. Provided are a resin fine particle dispersion including resin fine particles (A), a fiber material (B), an ionic polyacrylamide (C), and water as essential components, and a sheet product and a friction plate using this.
    Type: Grant
    Filed: March 1, 2016
    Date of Patent: July 23, 2019
    Assignee: DIC Corporation
    Inventors: Seiji Kimoto, Shigenobu Kida
  • Patent number: 10301775
    Abstract: Method for producing a sterilized foam web, wherein the method comprising the steps of preparing a wet foam (1), feeding the wet foam (1) to a head box (2, 11), distributing the wet foam by the head box (2, 11), treating the wet foam (1) with electron beam radiation (3a, 3b, 3c) to immobilize and sterilize the wet foam (1), receiving the electron beam treated foam on a moving wire (4) to form a foam web (6, 13), pressing and the foam web (6, 13), and drying the foam web (6, 13).
    Type: Grant
    Filed: September 30, 2015
    Date of Patent: May 28, 2019
    Assignee: Stora Enso OYJ
    Inventors: Jan-Erik Nordström, Jari Räsänen
  • Patent number: 10263232
    Abstract: A drying device includes a first cylindrical member and a second cylindrical member. The first cylindrical member has an outer peripheral surface having a surface temperature that is higher on one width wise side where an end is present than on the other widthwise side where another end is present, whereas the second cylindrical member has an outer peripheral surface having a surface temperature that is lower on the one widthwise side where an end is present than on the other widthwise side where another end is present.
    Type: Grant
    Filed: November 17, 2016
    Date of Patent: April 16, 2019
    Assignee: SUMITOMO CHEMICAL COMPANY, LIMITED
    Inventors: Akihiko Shin, Koichiro Watanabe
  • Patent number: 10161461
    Abstract: This invention relates to a paper friction material and a method of manufacturing the same, wherein the paper friction material is configured such that dispersibility and bondability are increased between a filler and a matrix. The paper friction material which is suitable for use in a vehicle, includes a friction base including pulp and a coating layer formed on the friction base using a mixture of latex and a functional material. The OH reactive group of the pulp and the aromatic ring of the latex are hydrogen-bonded so that the friction base and the coating layer are coupled with each other.
    Type: Grant
    Filed: November 30, 2016
    Date of Patent: December 25, 2018
    Assignees: Hyundai Motor Company, JINMYUNG FRICTECH CO., LTD.
    Inventors: Yoon Cheol Kim, Jai Min Han, Min Gyun Chung, Jae Young Lee, Byung Chan Lee, Yoon Joo Rhee, Sung Jin Hong, Eun Pa Cho, Chi Deuk Ahn
  • Patent number: 10131586
    Abstract: The invention relates to a solid inoculum carried in a superabsorbent agro-pellet with a variable volume, operating in a natural mini fermenter preloaded with an anhydrous nutritive medium, encouraging rapid regrowth of the viable micro-organisms and the continuous multiplication thereof. The liquid inoculum incorporated into the carrier at a low density of microbial cells is preferably comprised between 1/500e and 1/10e of the density recommended by the norm for a liquid inoculum of the same strain. The bioaugmentation of the microbial population is between 104 and 106 additional microbial cells. The solid inoculum according to the invention allows the preservation of the microorganisms and the handling thereof in advantageous conditions. It is not exposed to soil leaching caused by water. Said inoculum is used for the biological treatment of crops for the development and/or the preservation thereof from parasite attacks.
    Type: Grant
    Filed: July 22, 2014
    Date of Patent: November 20, 2018
    Assignee: AB7 Innovations S.A.S.U.
    Inventors: Rene Chelle, Urbain Makoumbou
  • Patent number: 10100467
    Abstract: A process for manufacturing structured material by providing cellulose fibers and at least one filler and/or pigment, combining the cellulose fibers and the at least one filler and/or pigment, fibrillating the cellulose fibers in the presence of the at least one filler and/or pigment until a gel is formed, subsequently providing additional non-fibrillated fibers, and combining the gel with the additional non-fibrillated fibers.
    Type: Grant
    Filed: April 26, 2011
    Date of Patent: October 16, 2018
    Assignee: FiberLean Technologies Limited
    Inventors: Patrick A.C. Gane, Michel Schenker, Ramjee Subramanian, Joachim Scholkopf
  • Patent number: 10011951
    Abstract: A method for producing a meta-aramid fiber paper-based material includes steps of: adding functional powders into a first poly(m-phenylene isophthalamide) solution, and obtaining a homogeneous mixed solution; through a dry spinning method, obtaining meta-aramid chopped fibers; through a second poly(m-phenylene isophthalamide) solution, obtaining meta-aramid fibrids; processing the fibrids with a multi-stage classification, selecting the fibrids having an appropriate mesh number and combining in proportion; mixing the chopped fibers and the fibrids, and relieving until uniform; forming a paper through an ultralow concentration inclined wire forming machine with an ultrasonic process and a wet-papermaking process; after squeezing and drying, obtaining a meta-aramid fiber base paper, and then processing with surface coating; and, after multi-stage calendering, rewinding and slitting, obtaining the high-performance meta-aramid fiber paper-based material. The paper-based material has a thickness of 1.
    Type: Grant
    Filed: November 23, 2016
    Date of Patent: July 3, 2018
    Assignee: Yantai Metastar Special Paper Co., Ltd.
    Inventors: Zhixin Wang, Jing Sun, Ming Jiang, Yanlei Sun, Junbo Deng