Coated Or Impregnated Regenerated Cellulose Fiber Fabric Patents (Class 442/165)
  • Patent number: 9029275
    Abstract: Provided is a nanofiber sheet that sufficiently refined by fibrillation and has high crystallinity of cellulose fiber and can realize a fiber-reinforced composite material exhibiting high transparency, a high elastic modulus, a low coefficient of linear thermal expansion, and high heat resistance and being high in flatness and smoothness. This nanofiber sheet includes crystalline cellulose as the main component and a lignin in an amount of from 10 ppm to 10 wt %. When a fiber/resin composite material obtained by impregnating the nanofiber sheet with tricyclodecane dimethacrylate, subjecting the impregnated product to UV-curing at 20 J/cm2, and heating the cured product in vacuum at 160° C. for two hours includes 60 wt % of the cured tricyclodecane dimethacrylate and 40 wt % of nanofiber, the following physical characteristics (i) to (iii) are satisfied: (i) the parallel light transmittance of light of a wavelength of 600 nm at a sheet thickness of 100 ?m is 70% or more; (ii) the Young's modulus is 5.
    Type: Grant
    Filed: July 13, 2007
    Date of Patent: May 12, 2015
    Assignees: Mitsubishi Chemical Corporation, Rohm Co., Ltd.
    Inventors: Hiroyuki Yano, Masaya Nogi, Shinsuke Ifuku, Kentarou Abe, Keishin Handa
  • Publication number: 20150126088
    Abstract: A roofing underlayment comprising a carrier substrate included a felt mixture and a binder mixture, and a volume of asphalt flux saturating the carrier substrate. The felt mixture may comprise between about seventy-five percent and about ninety-five percent by weight corrugated paper/cardboard fibers and between about five percent and about twenty-five percent by weight fiberglass fibers. The volume of asphalt flux may comprise between about twenty-five and fifty percent of a total weight of the roofing shingle underlayment and may saturate the carrier substrate at a saturation percentage between about thirty and about one hundred percent. The binder mixture may include a mixture of alum and rosin having a mixture ratio by weight of alum to rosin in a range between one to one (1:1) and four to one (4:1).
    Type: Application
    Filed: October 31, 2014
    Publication date: May 7, 2015
    Inventors: Michael R. Shifferd, David C. Humphreys, Robert L. Bradley, Steven L. Russell, Zachary J. Guza
  • Patent number: 8939295
    Abstract: A multi-layer, fluid transmissive structure is provided that comprises first and second fiber layers each comprising a plurality of polymeric fibers bonded to each other at spaced apart contact points. The polymeric fibers of these fiber layers have diameters greater than one micron and collectively define interconnected interstitial spaces providing tortuous fluid flow paths through the first and second fiber layers. The structure also comprises a plurality of nanofibers disposed intermediate at least a portion of the first fiber layer and at least a portion of the second fiber layer.
    Type: Grant
    Filed: February 17, 2010
    Date of Patent: January 27, 2015
    Assignee: Essentra Porous Technologies Corp.
    Inventors: Bennett C. Ward, Geoffrey M. Stoltz
  • Patent number: 8932965
    Abstract: Fabrics containing camouflage patterns are produced from dyes wherein at least certain of the colors contained in the pattern contain a low reflectance dye. The low reflectance dye is added to one or more colors in the pattern in order to preserve the camouflage pattern when viewed through night vision goggles as relatively long wavelengths, such at wavelengths greater than 900 nm. In one embodiment, the low reflectance dye comprises a thiazine. The low reflectance dye is blended with other dyes to produce colors in the pattern. By altering the concentration of the low reflectance dye in each of the colors, the colors contained in the camouflage pattern remain separate and distinct even at relatively long wavelengths.
    Type: Grant
    Filed: July 30, 2009
    Date of Patent: January 13, 2015
    Assignee: International Textile Group, Inc.
    Inventor: Dale R. Wendel
  • Patent number: 8785623
    Abstract: The present invention relates to ferromagnetic materials based on nano-sized bacterial cellulose templates. More specifically, the present invention provides an agglomerate free magnetic nanoparticle cellulose material and a method of forming such magnetic nanoparticle cellulose material. Further, the magnetic nonoparticles are physically attached on the cellulose material and evenly distribute.
    Type: Grant
    Filed: March 31, 2008
    Date of Patent: July 22, 2014
    Assignee: Cellutech AB
    Inventors: Richard T. Olsson, My Ahmed Said Samir Azizi, Lars Berglund, Ulf W. Gedde
  • Publication number: 20130227759
    Abstract: A fabric that contains a blend of textile and polyarylene sulfide fibers is provided. At least a portion of the textile fibers, polyarylene sulfide fibers, or a combination thereof are coated with an emulsion copolymer that is crosslinked. The copolymer composition is cured after it is applied to the fibers to initiate the formation of crosslink bonds between the emulsion copolymer and create a three-dimensional network that is capable of coating and encapsulating the fibers. It is believed that this three-dimensional network is able to physically entrap disperse additives when applied to the fibers. Still further, the present inventors have discovered that the emulsion copolymer can uniformly coat the fibers and thus readily receive the additive, which eliminates the need for high temperatures and/or pressures during a dyeing process, for example, and can also result in a relatively uniform coating of the additive on the fibers.
    Type: Application
    Filed: February 22, 2013
    Publication date: September 5, 2013
    Applicant: TICONA LLC
    Inventors: Harrie P. Schoots, Kaushik Chakrabarty, Xinyu Zhao, Arvind Karandikar, Martin Brueck, Christopher McGrady
  • Publication number: 20130209714
    Abstract: A paper/fabric composite behaving like a fabric sheet material with all the benefits of paper includes a Kraft paper and a viscose fabric laminated to the Kraft paper. The composite may be formed into a case including a first piece of the paper/fabric composite and a second piece of the paper/fabric composite. The first piece of the paper/fabric composite and the second piece of the paper/fabric composite being sewn together to form the case. Furthermore some functional components of the cases may be supplemented by a paper/biopolymer composite.
    Type: Application
    Filed: March 15, 2013
    Publication date: August 15, 2013
    Applicant: PAPERNOMAD GmbH
    Inventor: PAPERNOMAD GmbH
  • Patent number: 8247334
    Abstract: A moisture-vapor-permeable and water-resistant fiber involves a layer of base fabric, a moisture-vapor-permeable layer, and a water absorption layer. The moisture vapor permeable layer is obtained by coating or laminating the inner side of the fabric with a moisture-vapor-permeable resin, which prohibits the penetration of the water droplets but allows the penetration of the moisture vapor molecules. The moisture absorption layer with intricate and colorful design is composed of binding resin blended with fiber powder and/or inorganic powder, and which is dot-coated or dot-printed onto the inner side of the moisture-vapor-permeable and water-resistant layer. The fiber powder or inorganic powder is highly hydrophilic and highly absorbent in its moisture absorption ability, which, when the clothes are fabricated, can prevent the penetration of raindrops but allows the transmission of the evaporated vapor of sweat through the fabric. Moreover, it is capable of absorbing plentiful amount of sweat.
    Type: Grant
    Filed: October 23, 2007
    Date of Patent: August 21, 2012
    Assignee: G-Fun Industrial Corporation
    Inventors: Chiu-Shiung Tsai, Kun-Lung Chuang, Fong-Ying Tien, Mou-Chuan Huang
  • Patent number: 7915185
    Abstract: A high performance flame retardant textile fabric is provided which is suitable for use in producing close-fitting garments, such as undergarments, that come into direct contact with the skin of the wearer and provide a protective function, as well as in non-apparel applications. The fabric is formed of yarns of rayon continuous filaments, the yarns having outer filaments along the periphery of the yarn and inner filaments in the interior of the yarn. A cured phosphorus-based flame retardant compound is durably affixed to the filaments and imparts flame retardant properties to the fabric. The outer filaments of the yarns have a phosphorus content at least 25% greater than the inner filaments of the yarn.
    Type: Grant
    Filed: March 27, 2006
    Date of Patent: March 29, 2011
    Assignee: SSM Industries, Inc.
    Inventors: Scott N. Hilleary, Greg Watson
  • Publication number: 20100255270
    Abstract: The present invention provides a fabric and a fabric structure made of yarns with reduced water absorption. The fabric comprises yarns and interstices between the yarns, the interstices between the yarns having an average width of greater than 100 ?m. At least one of the yarns is comprised of multiple fibers. Said at least one yarn has voids between the fibers wherein the voids are filled up with a polymer material. The interstices remain open and the size of the interstices is the same as before the treatment. The filling of the voids between the fibers with the polymer material prevents the absorption of water into said voids and therefore leads to reduced water absorption of the fabric. The polymer material is substantially only located within the voids of the yarn and has embedded the fibers within the outer surface of said yarn.
    Type: Application
    Filed: September 8, 2008
    Publication date: October 7, 2010
    Inventor: Werner Stuebiger
  • Patent number: 7659217
    Abstract: The present invention is directed to the design and manufacturing of a field durable, repeatedly launderable and permanently fire resistant, comfortable and economical FR nonwoven composite fabric based garment, which meets the stringent requirements of military combat uniform clothing. The nonwoven based garment is designed to replace the traditional woven textile fabric used in the military today. The novel garment of the current invention is constructed using a unique spunlaced or hydroentangled FR nonwoven composite fabric that exhibits mechanical, physical, durability and comfort characteristics similar to or better than that of the current woven military uniform fabric. In particular, the present invention contemplates the nonwoven composite fabric used to make the garment is prepared by combining at least two separate nonwoven webs forming the inside and outside layers of the garment.
    Type: Grant
    Filed: June 6, 2008
    Date of Patent: February 9, 2010
    Assignee: Nanosyntex, Inc.
    Inventors: Vasanthakumar Narayanan, Gary Arinder, Stephen Szczesuil
  • Publication number: 20090264036
    Abstract: Provided is a nanofiber sheet that sufficiently refined by fibrillation and has high crystallinity of cellulose fiber and can realize a fiber-reinforced composite material exhibiting high transparency, a high elastic modulus, a low coefficient of linear thermal expansion, and high heat resistance and being high in flatness and smoothness. This nanofiber sheet includes crystalline cellulose as the main component and a lignin in an amount of from 10 ppm to 10 wt %. When a fiber/resin composite material obtained by impregnating the nanofiber sheet with tricyclodecane dimethacrylate, subjecting the impregnated product to UV-curing at 20 J/cm2, and heating the cured product in vacuum at 160° C. for two hours includes 60 wt % of the cured tricyclodecane dimethacrylate and 40 wt % of nanofiber, the following physical characteristics (i) to (iii) are satisfied: (i) the parallel light transmittance of light of a wavelength of 600 nm at a sheet thickness of 100 ?m is 70% or more; (ii) the Young's modulus is 5.
    Type: Application
    Filed: July 13, 2007
    Publication date: October 22, 2009
    Applicants: Nippon Telegraph and Telephone Corporation, Pioneer Corporation, Hitachi, Ltd., Mitsubishi Chemical Corporation, Rohm Co., Ltd.
    Inventors: Hiroyuki Yano, Masaya Nogi, Shinsuke Ifuku, Kentarou Abe, Keishin Handa
  • Patent number: 7504346
    Abstract: Aerogel composite materials having a lofty fibrous batting reinforcement preferably in combination with one or both of individual short randomly oriented microfibers and conductive layers exhibit improved performance in one or all of flexibility, drape, durability, resistance to sintering, x-y thermal conductivity, x-y electrical conductivity, RFI-EMI attenuation, and/or burn-through resistance.
    Type: Grant
    Filed: May 18, 2006
    Date of Patent: March 17, 2009
    Assignee: Aspen Aerogels, Inc.
    Inventors: Christopher J. Stepanian, George L. Gould, Redouane Begag
  • Patent number: 7179538
    Abstract: A heat and pressure consolidated flexible laminate, and a method for producing the same, is provided that includes in superimposed relationship, a flexible, resin coated backing layer consisting of one or more sheets, a decorative layer consisting essentially of a leather material and, optionally, an overlay.
    Type: Grant
    Filed: January 20, 2004
    Date of Patent: February 20, 2007
    Assignee: Panolam Industries International, Inc.
    Inventors: Sylvie Gauthier, George Tsangarides
  • Patent number: 6867154
    Abstract: The present disclosure relates to patterned, flame resistant fabrics and methods of making them. Generally speaking, the fabrics comprise a plurality of high tenacity, flame resistant fibers, and a plurality of cellulosic fibers containing a flame retardant compound, and at least one color which is printed on the fabric to form the pattern. In a preferred embodiment, the flame resistant fibers are para-aramid fibers and the cellulosic fibers are rayon fibers to yield a strong, flame resistant fabric.
    Type: Grant
    Filed: August 18, 2000
    Date of Patent: March 15, 2005
    Assignee: Southern Mills, Inc.
    Inventors: Clyde C. Lunsford, Phillip H. Riggins, Michael T. Stanhope
  • Patent number: 6825138
    Abstract: A textile treatment process, treatment bath, and treated fabric are disclosed. The process imparts water repellant, stain resistant, and wrinkle-free properties as well as aesthetically pleasing hand properties to a fabric made in whole or in part of fibers having a hydroxyl group, such as cellulosic fibers, though immersion in an aqueous bath and subsequent heating for curing. The aqueous treatment bath contains a urea resin, polytetrafluorethylene (PTFE) and, preferably, fluoroalkyl acrylate co-polymer.
    Type: Grant
    Filed: April 12, 2002
    Date of Patent: November 30, 2004
    Assignee: Warmkraft, Inc.
    Inventor: Ronnie Franklin Lack
  • Patent number: 6818572
    Abstract: A floor cleaning wipe comprising a water insoluble substrate which is impregnated with a floor cleaning composition.
    Type: Grant
    Filed: December 10, 2001
    Date of Patent: November 16, 2004
    Assignee: Colgate-Palomolive Co
    Inventors: John Puckhaber, Harry Aszman
  • Patent number: 6818024
    Abstract: Fabric blends of inherently flame resistant fibers and flame resistant cellulosic fibers that contain a flame retardant. According to the method of production of these blends, the inherently flame resistant fibers can be dyed a full shade of color without depleting the flame retardant contained in the cellulosic fibers. In addition, the potential for laundering shrinkage of the inherently flame resistant fibers of the blends is reduced regardless of whether both, one of, or neither of the inherently flame resistant fibers and the flame resistant cellulosic fibers are dyed. Dyeing and/or shrinkage prevention of these blends is conducted at temperatures below 100° C., typically approximately between 70° C. and 100° C.
    Type: Grant
    Filed: January 17, 2003
    Date of Patent: November 16, 2004
    Assignee: Southern Mills, Inc.
    Inventors: Clyde C. Lunsford, Phillip H. Riggins, Michael T. Stanhope
  • Patent number: 6806213
    Abstract: This invention relates to a disposable wash cloth. The disposable wash cloth includes an aqueous solution incorporated onto a basehseet. The aqueous solution includes a fragrance, at least one mild surfactant, at least one moisturizer, and at least one preservative. The disposable wash cloth is capable of being heated to a select temperature at least twice while maintaining chemical stability.
    Type: Grant
    Filed: December 20, 2001
    Date of Patent: October 19, 2004
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventor: JoAnn Adele Brooks
  • Publication number: 20040170815
    Abstract: A commercially available product, of a type having a batting with a softness and flexibility and configured for use in the formation of a quilt, where the quilt has at least one cover to be securably attached to the batting, includes a composite member sold in at least one desirable size for making a quilt and formed of the batting and an adhesive material as an article of manufacture, is disclosed. The batting consists of a fibrous material and the adhesive material includes a water-soluble material and is effective to form a removable bond at the opposing faces of the batting, so that the quilt may be formed by at least temporary attachment of the cover to the batting by the bond and the bond is removable after formation of the quilt.
    Type: Application
    Filed: March 12, 2004
    Publication date: September 2, 2004
    Applicant: June Tailor, Inc.
    Inventors: Jilene A. Repp, Francis A. Yogerst
  • Publication number: 20040116026
    Abstract: A resin charged media can be a single or layered construction needled together to provide a graded-density structure of fine fibers intermixed with finer fibers. This resulting media possesses a higher particulate loading retention capability, particularly early in the filtration cycle, relative to other cellulose, spun-bonds, or other similar materials commonly applied to filtration applications where filtration is predominantly a surface-loading phenomenon. The filtration media provides for depth filtration with the multi-layered needled layers, thereby enhancing the overall particulate-holding capacity of the charged media. This results in more resistance to fine particulates and improvements in efficiency due to increased sub-micron particle loading. With the filter media consisting of a graded structure, surface loading phenomenon can be reduced and filter life improved. Since the layers in the media are physically combined using needling technology, they will not separate.
    Type: Application
    Filed: December 5, 2003
    Publication date: June 17, 2004
    Applicant: Filter Materials, Inc.
    Inventors: Don A. Kubose, Jin Young Choi, James T. Greene
  • Patent number: 6750160
    Abstract: A detergent-impregnated article, especially suitable for cleaning hard surface such as glass, characterized in that a base body is impregnated with a detergent comprising solid abrasive particles, a protective layer-forming component, an organic solvent, a drying accelerator, a thickening polysaccharide and a surface active agent.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: June 15, 2004
    Assignee: Kao Corporation
    Inventors: Koji Hanaoka, Eiichi Hoshino, Fumiko Inaba, Hironobu Sionome
  • Patent number: 6727196
    Abstract: The present invention relates to a composite material including a substrate with a first and a second layer, and a surfactant. The surfactant is applied to the first layer of the substrate. The surfactant acts to lower the surface tension of a fluid which contacts the first layer of the substrate such that the fluid is allowed or more readily enabled to pass through the first layer of the substrate, but such that the surfactant does not substantially adversely effect the absorption capacity or wicking height of the second layer of the substrate, as the second layer of the substrate substantially inactivates the surfactant upon contact or interaction therewith.
    Type: Grant
    Filed: August 31, 2001
    Date of Patent: April 27, 2004
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Ali Yahiaoui, Bernard Cohen, Joel Brostin, Michael Tod Morman
  • Patent number: 6713411
    Abstract: Disclosed is a laminate having flame and chemical resistance, which may be used to form protective fabrics. The laminate contains a first layer of a spunlace fabric having a fire retardant additive applied thereto; and a second layer of a polymeric film.
    Type: Grant
    Filed: April 19, 1999
    Date of Patent: March 30, 2004
    Assignee: Precision Fabric Group
    Inventors: William C. Cox, Philip E. Harris
  • Patent number: 6680264
    Abstract: A glass cleaning wipe comprising a nonwoven fabric containing wood pulp fibers, the nonwoven fabric is impregnated with a glass cleaning composition.
    Type: Grant
    Filed: July 12, 2001
    Date of Patent: January 20, 2004
    Assignee: Colgate-Palmolive Co.
    Inventor: Jean Julemont
  • Publication number: 20040009725
    Abstract: A treatment composition and a method for treating substrates that includes contacting at least a portion of the substrate with (a) an alkyl polyglycoside or a derivative of an alkyl polyglycoside; and (b) a polysaccharide, a modified polysaccharide, a derivative of a polysaccharide or a derivative of a modified polysaccharide is provided. A treated substrate is provided that when used in a personal care product like a diaper and in such a way that the substrate is not in direct contact with skin promotes skin dryness.
    Type: Application
    Filed: July 2, 2002
    Publication date: January 15, 2004
    Applicant: Kimberly-Clark Worldwide, Inc.
    Inventors: Ali Yahiaoui, Susan Carol Paul, Andrea Susan Wulz
  • Patent number: 6677256
    Abstract: Absorbent structures that form superabsorbent polymers in situ. The structures include an absorbent material and a fibrous material containing an activating agent. The fibrous material releases the activating agent upon stimulation with an activator, which causes the polymer to become a superabsorbent polymer. The absorbent component is desirably a water-swellable, water-insoluble polymer. The absorbent structures form a superabsorbent composition in situ. Methods of making the activating agent containing fibrous material are provided.
    Type: Grant
    Filed: December 28, 1999
    Date of Patent: January 13, 2004
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Tong Sun, Werner Lonsky, Yong Li, Jian Qin, Xiaomin Zhang, Jacek Dutkiewicz
  • Patent number: 6626964
    Abstract: The present disclosure relates to flame resistant fabrics that comprise a plurality of inherently flame resistant fibers and a plurality of cellulosic fibers containing a flame retardant compound. In one arrangement, the inherently flame resistant fibers have been dyed and/or shrinkage controlled with a dye-assistant such that the fabric contains a residual amount of a dye-assistant selected from the group consisting of N-cyclohexylpyrrolidone, benzyl alcohol, N,N-dibutylformamide, N,N-diethylbenzamide, hexadecyltrimethyl ammonium salt, N,N-dimethylbenzamide, N,N-diethyl-m-toluamide, N-octylpyrrolidone, aryl ether, an approximately 50/50 blend of N,N-dimethylcaprylamide and N,N-dimethylcapramide, and mixtures thereof.
    Type: Grant
    Filed: August 28, 2000
    Date of Patent: September 30, 2003
    Inventors: Clyde C. Lunsford, Phillip H. Riggins, Michael T. Stanhope
  • Patent number: 6613703
    Abstract: A cyclodextrin-modified thermoplastic porous layer material is prepared by coating the surface of a fibrous nonwoven web, open-celled foam, porous film or the like with a chemical composition including a cyclodextrin compound, and then irradiating the coated fabric to induce a chemical reaction between the cyclodextrin compound and the underlying layer material. The resulting cyclodextrin-modified layer material has durable hydrophilic properties useful in topsheets for absorbent articles, and entrapment capabilities useful in water filters, blood filters, controlled delivery articles and protective garments.
    Type: Grant
    Filed: April 27, 2000
    Date of Patent: September 2, 2003
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Ali Yahiaoui, Tami Lynette O'Connell, David Lewis Myers, Charles Edward Bolian, II
  • Publication number: 20030129901
    Abstract: Disclosed is a laminate having flame and chemical resistance, which may be used to form protective fabrics. The laminate contains a first layer of a spunlace fabric having a fire retardant additive applied thereto; and a second layer of a polymeric film.
    Type: Application
    Filed: April 19, 1999
    Publication date: July 10, 2003
    Inventors: WILLIAM C. COX, PHILIP E. HARRIS
  • Publication number: 20030129897
    Abstract: A forming panel having board with a release barrier of a substrate and a barrier/release layer secured to the board by an adhesive.
    Type: Application
    Filed: October 17, 2002
    Publication date: July 10, 2003
    Inventors: Howell B. Eleazer, Allan M. Smith, Thomas E. Godfrey, William S. Freeman
  • Publication number: 20020137414
    Abstract: A textile treatment process, treatment bath, and treated fabric are disclosed. The process imparts water repellant, stain resistant, and wrinkle-free properties as well as aesthetically pleasing hand properties to a fabric made in whole or in part of fibers having a hydroxyl group, such as cellulosic fibers, though immersion in an aqueous bath and subsequent heating for curing. The aqueous treatment bath contains a urea resin, polytetrafluorethylene (PTFE) and, preferably, fluoroalkyl acrylate co-polymer.
    Type: Application
    Filed: April 12, 2002
    Publication date: September 26, 2002
    Applicant: Warmkraft, Inc.
    Inventor: Ronnie Franklin Lack
  • Patent number: 6451718
    Abstract: A water disintegratable non-woven fabric having excellent water disintegratability and high wet strength can be obtained by a step of forming a fiber web from fibers having a fiber length of 10 mm or less, a step of applying a water jet treatment to the fiber web to obtain a fiber sheet having wet strength of less than 100 g/25 mm in MD and CD, the wet strength being defined by tensile strength at break of the fiber sheet, as measured by using a tensilon tester with a chuck distance of 100 mm, at a tensile speed of 100 mm/min to the fiber sheet which is cut into 25 mm width and 150 mm length and impregnated with water in an amount 2.5 times the weight of the fiber sheet, and a step of adding at least one binder selected from the group consisting of carboxymethyl cellulose, alkylcellulose, polyvinyl alcohol and modified polyvinyl alcohol to the fiber sheet. The water disintegratable non-woven fabric is sufficiently bulky and has an excellent wiping effect.
    Type: Grant
    Filed: January 12, 1999
    Date of Patent: September 17, 2002
    Assignee: Uni-Charm Corporation
    Inventors: Daisuke Yamada, Naohito Takeuchi, Takayoshi Konishi
  • Patent number: 6372674
    Abstract: A textile treatment process, treatment bath, and treated fabric are disclosed. The process imparts water repellant, stain resistant, and wrinkle-free properties as well as aesthetically pleasing hand properties to a fabric made in whole or in part of fibers having a hydroxyl group, such as cellulosic fibers, though immersion in an aqueous bath and subsequent heating for curing. The aqueous treatment bath contains 8%-14% urea resin, preferably DMDHEU, and 4%-10% of a polytetrafluorethylene, preferably ZONYL® PTFE.
    Type: Grant
    Filed: September 2, 1999
    Date of Patent: April 16, 2002
    Assignee: Warmkraft, Inc.
    Inventor: Ronnie Franklin Lack
  • Patent number: 6300259
    Abstract: A crosslinkable cellulosic fibrous product that includes cellulosic fibers and a crosslinking agent is disclosed. The crosslinkable cellulosic fibrous product can be formed as a web or sheet that has structural integrity and sheet strength sufficient to permit the fibrous web to be rolled, transported, and used in rolled form in subsequent processes. The crosslinkable fibrous product can be converted into a crosslinked fibrous product by subjecting the product to conditions sufficient to effect intrafiber crosslinking. Alternatively, the web can be fiberized and the resulting individual crosslinkable fibers combined with other fibers and/or other materials to provide a fibrous web containing crosslinkable cellulosic fibers. Subjecting such a web to crosslinking conditions provides a fibrous web that includes, in addition to other fibers or materials, crosslinked cellulosic fibers.
    Type: Grant
    Filed: April 26, 1999
    Date of Patent: October 9, 2001
    Assignee: Weyerhaeuser Company
    Inventors: John A. Westland, Colin Elston
  • Patent number: 6218321
    Abstract: Articles of manufacture which comprise biodegradable fibers and fabrics made therefrom. The fibers are made from starch-based biodegradable thermoplastic polymers, which preferably include a an additional biodegradable thermoplastic polymer blended with thermoplastic starch for improved chemical and physical properties. Threads or fibers for the manufacture of these articles are drawn in a process that improves their mechanical properties, particularly their strength. These threads or fibers can be used in the manufacture of articles that have open, semi-densely packed or densely packed structures.
    Type: Grant
    Filed: August 25, 1997
    Date of Patent: April 17, 2001
    Assignee: Biotec Biologische Naturverpackungen GmbH
    Inventors: Jurgen Lorcks, Winfried Pommeranz, Harald Schmidt
  • Patent number: 6194050
    Abstract: A composite of thermally non-adherent fluoropolymeric and non-fluoropolymeric components is created through the agency of a non-woven, fibrous binder interposed between and portionally embedded into both components. The fibers of the non-woven binder have a substantial portion of their length extending into both components and cross the interface at an angle that is substantially normal to the plane of embedment. The composite possesses good peel-adhesion behavior between the otherwise thermally non-adherent components.
    Type: Grant
    Filed: June 28, 1999
    Date of Patent: February 27, 2001
    Assignee: Chemfab Corporation
    Inventors: Keith Gordon Koerber, James Michael McMartin, John Walter Verbicky, Jr., John Effenberger, J. George Drobny
  • Patent number: 6194517
    Abstract: A water soluble polymer comprising from about 25 weight % to about 90 weight % of an unsaturated carboxylic acid/unsaturated carboxylic acid ester terpolymer; from about 10 weight % to about 75 weight % of a divalent ion inhibitor and from about 0 weight % to about 10 weight % of a plasticizer is soluble in an aqueous environment having a divalent ion concentration less than about 50 ppm and a monovalent ion concentration of less than about 0.5 weight %. Also disclosed is a water dispersible fibrous fabric having a fibrous substrate and an effective amount of the binder distributed on the substrate and a method of making a water dispersible fibrous fabric.
    Type: Grant
    Filed: October 5, 1999
    Date of Patent: February 27, 2001
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: William Seal Pomplun, Pavneet Singh Mumick, David Martin Jackson, Yihua Chang
  • Patent number: 6165919
    Abstract: Cellulosic materials such as cotton fabrics and paper are crosslinked with a composition comprising (A) polymers of ethylenically unsaturated polycarboxylic acid monomers or salts thereof, the monomers having one or more dicarboxylic groups wherein the carboxyl groups are on adjacent carbon atoms; (B) saturated .alpha.-hydroxypolycarboxylic acids or salts thereof; and (C) one or more curing catalysts, and heated to produce esterification and crosslinking of the celluose by reaction of the cellulosic hydroxyl groups with carboxyl groups in the reaction product of (A) and (B).
    Type: Grant
    Filed: January 14, 1997
    Date of Patent: December 26, 2000
    Assignee: University of Georgia Research Foundation, Inc.
    Inventor: Charles Qixiang Yang
  • Patent number: 6153544
    Abstract: A flame retardant composition for treating a high pulp content nonwoven web is provided. The flame retardant composition includes soluble solids formed from inorganic salts, such as ammonium polyphosphate and sulfur. The TGA range of such soluble solids is from about 175.degree. C. to about 370.degree. C. The flame retardant composition may be continuously and uniformly applied to the high pulp content nonwoven web by a non-compressive process.
    Type: Grant
    Filed: March 20, 1998
    Date of Patent: November 28, 2000
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: Fred Robert Radwanski, Henry Skoog, Terry Ray Cleveland, Phillip Sherman Warren, William Francis Cartwright
  • Patent number: 6132476
    Abstract: Fabric blends of inherently flame resistant fibers and flame resistant cellulosic fibers that contain a flame retardant. According to the method of production of these blends, the inherently flame resistant fibers can be dyed a full shade of color without depleting the flame retardant contained in the cellulosic fibers. In addition, the potential for laundering shrinkage of the inherently flame resistant fibers of the blends is reduced regardless of whether both, one of, or neither of the inherently flame resistant fibers and the flame resistant cellulosic fibers are dyed. Dyeing and/or shrinkage prevention of these blends is conducted at temperatures below 100.degree. C., typically approximately between 70.degree. C. and 100.degree. C.
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: October 17, 2000
    Assignee: Southern Mills, Inc.
    Inventors: Clyde C. Lunsford, Phillip H. Riggins, Michael T. Stanhope
  • Patent number: 6037282
    Abstract: Nonwoven material produced by hydroentangling a fiber web, comprising recycled fibers with a fiber length of between 5 and 60 mm and a fineness of between 0.1 and 20 dtex, which are constituted by fibers which are mechanically shredded or torn from nonwoven waste, textile waste or the like. The fibers are mixed with each other and possibly with new fibers in a wet-formed, foam-formed, air-laid or dry-laid fiber web which is hydroentangled with sufficient energy for forming a compact absorbent material.
    Type: Grant
    Filed: February 13, 1997
    Date of Patent: March 14, 2000
    Assignee: SCA Hygiene Paper AB
    Inventors: Ebbe Milding, Ulf Holm, Gerhard Lammers
  • Patent number: 6022816
    Abstract: A closure for a container having an opening, said closure comprising at least one resilient mass of fibers selected from synthetic fibers, natural fibers and mixtures thereof, said at least one resilient mass of fibers having a density in the range of 0.15 to 2.00 g/cm.sup.3 and having one of an interlocked structure, an associated structure and a combination thereof, and wherein the closure is sized and has a density to enable the closure to be sealingly inserted into the opening of said container.
    Type: Grant
    Filed: July 7, 1997
    Date of Patent: February 8, 2000
    Assignee: Dewco Investments Pty Ltd.
    Inventor: George Galloway Dewar
  • Patent number: 5986004
    Abstract: A water soluble polymer comprising from about 25 weight % to about 90 weight % of an unsaturated carboxylic acid/unsaturated carboxylic acid ester terpolymer; from about 10 weight % to about 75 weight % of a divalent ion inhibitor and from about 0 weight % to about 10 weight % of a plasticizer is soluble in an aqueous environment having a divalent ion concentration less than about 50 ppm and a monovalent ion concentration of less than about 0.5 weight %. Also disclosed is a water dispersible fibrous fabric having a fibrous substrate and an effective amount of the binder distributed on the substrate and a method of making a water dispersible fibrous fabric.
    Type: Grant
    Filed: March 17, 1997
    Date of Patent: November 16, 1999
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: William Seal Pomplun, Pavneet Singh Mumick, David Martin Jackson, Yihua Chang
  • Patent number: 5972039
    Abstract: A method for enhancing the absorbency, hand-feel, or both of an article made from fibers having a spin finish thereon, where the spin finish decreases the hand-feel desirability and decreases the absorbency of the article. The method involves subjecting the article to corona treatment for a period of time sufficient to enhance the absorbency, hand-feel, or both of the article. The article produced by subjecting a substrate made of fibers having a finish thereon to corona treatment for a period of time sufficient to enhance the absorbency, hand-feel, or both of the substrate. A method of disposing of such articles by contacting the articles with a hot liquid, such as water, for a period of time sufficient to disperse or dissolve the article. Hot water soluble, cold water insoluble poly(vinyl) alcohol is one suitable fiber material.
    Type: Grant
    Filed: April 7, 1997
    Date of Patent: October 26, 1999
    Assignee: Isolsyer Company, Inc.
    Inventors: Travis W. Honeycutt, Baosheng Lee, Dong Dai, Nigel J. Flynn
  • Patent number: 5972805
    Abstract: A water soluble polymer comprising from about 25 weight % to about 90 weight % of an unsaturated carboxylic acid/unsaturated carboxylic acid ester terpolymer; from about 10 weight % to about 75 weight % of a divalent ion inhibitor and from about 0 weight % to about 10 weight % of a plasticizer is soluble in an aqueous environment having a divalent ion concentration less than about 50 ppm and a monovalent ion concentration of less than about 0.5 weight %. Also disclosed is a water dispersible fibrous fabric having a fibrous substrate and an effective amount of the binder distributed on the substrate and a method of making a water dispersible fibrous fabric.
    Type: Grant
    Filed: April 7, 1998
    Date of Patent: October 26, 1999
    Assignee: Kimberly-Clark Worldwide, Inc.
    Inventors: William Seal Pomplun, Pavneet Singh Mumick, David Martin Jackson, Yihua Chang
  • Patent number: 5922625
    Abstract: An ink jet printing method for effecting printing on a print medium such as a sheet of cloth by applying a jet of an ink to the print medium. The print medium is formed by preparing a sheet of cloth containing a cationic substance, preparing a backing sheet having a layer of an adhesive agent, and bonding the sheet of cloth to the adhesive surface of the backing sheet. After the jet of ink is applied to the print medium, the sheet of cloth is peeled off from the backing sheet and the freed sheet of cloth is rinsed with rinsing water containing a cation blocking agent, followed by drying.
    Type: Grant
    Filed: December 19, 1995
    Date of Patent: July 13, 1999
    Assignee: Canon Kabushiki Kaisha
    Inventors: Masahiro Haruta, Shoji Koike, Koromo Shirota, Aya Takaide, Tomoya Yamamoto, Mariko Suzuki
  • Patent number: 5916659
    Abstract: A composite of thermally non-adherent fluoropolymeric and non-fluoropolymeric components is created through the agency of a non-woven, fibrous binder interposed between and portionally embedded into both components. The fibers of the non-woven binder have a substantial portion of their length extending into both components and cross the interface at an angle that is substantially normal to the plane of embedment. The composite possesses good peel strengths of greater than 5 pounds/linear inch between the otherwise thermally non-adherent components.
    Type: Grant
    Filed: January 14, 1996
    Date of Patent: June 29, 1999
    Assignee: Chemfab Corporation
    Inventors: Keith Gordon Koerber, James Michael McMartin, John Walter Verbicky, Jr., John Effenberger, J. George Drobny
  • Patent number: 5912196
    Abstract: A flame retardant composition for treating a high pulp content nonwoven web is provided. The flame retardant composition includes soluble solids formed from inorganic salts, such as ammonium polyphosphate and sulfur. The TGA range of such soluble solids is from about 175.degree. C. to about 370.degree. C. The flame retardant composition may be continuously and uniformly applied to the high pulp content nonwoven web by a non-compressive process.
    Type: Grant
    Filed: December 20, 1995
    Date of Patent: June 15, 1999
    Assignee: Kimberly-Clark Corp.
    Inventors: Fred Robert Radwanski, Henry Skoog, Terry Ray Cleveland, Phillip Sherman Warren, William Francis Cartwright
  • Patent number: 5895504
    Abstract: Disclosed herein are methods for use of a towelette to clean stains from clothing and upholstery. The towelette is impregnated with a cleaning solution that is primarily water, but also contains a volatile cleaning agent and a surfactant. The pH and surfactant concentrations of the cleaning solution are regulated. The wipe reduces the incidence of readily visible rings around treated stains.
    Type: Grant
    Filed: July 9, 1997
    Date of Patent: April 20, 1999
    Assignee: S. C. Johnson & Son, Inc.
    Inventors: John A. Sramek, Thomas A. Strash