Coated Or Impregnated Polyvinyl Alcohol Fiber Fabric Patents (Class 442/166)
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Patent number: 10160692Abstract: The invention relates to a micronized composition. In particular the invention relates to a micronized composition, a coated fertilizer, a coated seed, a method of producing a micronized composition and a method of covering a granule. The micronized composition includes at least one type of water-soluble micronutrient, a clay binder and a dehydrating agent, the at least one water-soluble micronutrient, clay binder and dehydrating agent being micronized.Type: GrantFiled: August 7, 2014Date of Patent: December 25, 2018Inventor: Johanna Frederika Immelman
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Publication number: 20150038038Abstract: In accordance with one embodiment, a polymer composite comprises a filler and a matrix. The filler comprises an electrospun polymer mat. The matrix comprises a polymer film. The filler is arranged to respond to stimuli by altering its mechanical properties. In one example, the mat can be electrospun from poly(vinyl alcohol), and the matrix can be formed from ethylene oxide-epichlorohydrin 1:1 copolymer. The filler can be arranged so that the tensile storage modulus of the polymer composite changes in response to the filler being exposed to a stimulus. In another example, the filler is about four percent by weight of the polymer composite.Type: ApplicationFiled: June 11, 2012Publication date: February 5, 2015Inventors: LaShanda Korley, David A. Stone, Gary E. Wnek, Nandula Wanasekara
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Patent number: 8939295Abstract: 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: GrantFiled: February 17, 2010Date of Patent: January 27, 2015Assignee: Essentra Porous Technologies Corp.Inventors: Bennett C. Ward, Geoffrey M. Stoltz
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Publication number: 20130295360Abstract: A reinforcing fabric for a cementitious board includes an alkali-resistant fabric and a binder including ethylene vinyl acetate. The cementitious board includes (a) a cementitious core; and (b) the reinforcing fabric disposed on at least one face of the cementitious core, the reinforcing fabric including the alkali-resistant fabric and the binder including ethylene vinyl acetate.Type: ApplicationFiled: April 12, 2013Publication date: November 7, 2013Inventors: Gabe F. Nagy, Jie-yi Dong, Gary W. Morris
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Publication number: 20130115839Abstract: Ballistic resistant articles having excellent resistance to deterioration due to liquid exposure. More particularly, ballistic resistant fibrous composites and articles that retain their superior ballistic resistance performance after exposure to liquids such as sea water and organic solvents, such as gasoline and other petroleum-based products.Type: ApplicationFiled: March 19, 2007Publication date: May 9, 2013Inventors: Brian D. Arvidson, David A. Hurst, Lori L. Wagner, Ashok Bhatnagar, Henry G. Ardiff
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Publication number: 20130065467Abstract: A substrate has a surface printed with an ink or coating composition with excellent adhesion and dry rub resistance, and very good oil and saline rub resistance (crock) properties using a multi-functional carbodiimide as a crosslinker for nonwoven substrates. The rub performance of the ink or coating printed on a nonwoven substrate has been found to be superior to that of a first Sun benchmark ink including pigments for four color printing. In another embodiment, a carbodiimide crosslinker such as multifunctional Carbodilite SV-02 is added to the compositions to further improve rub resistance (crock) and retain liquid characteristics post inoculation when compared to compositions using aziridine as a crosslinker. In a further embodiment, a thin polyolefin film exemplifying a backsheet of a hygiene product was printed with the same crosslinked ink or coating composition and compared with a second Sun benchmark set of inks.Type: ApplicationFiled: September 10, 2011Publication date: March 14, 2013Applicant: SUN CHEMICAL CORPORATIONInventors: Faye Transvalidou, Huanyu Wei, Alexander Chudolij, Leda Mora
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Patent number: 8383526Abstract: A liquid containing a hydrophilic polymer is applied by spreading or impregnation to a porous sheet comprising paper or a nonwoven fabric containing not less than 30% by weight and not more than 100% by weight of hydrophilic fiber to provide a hydrophilic polymer-processed sheet of which the surface and/or the interior of the porous sheet is filled with the hydrophilic polymer, which is made insoluble to water. This sheet is used as a sheet for a total heat exchanger which has higher conductivity of sensible heat and latent heat than conventional sheet for a total heat exchanger that uses a moisture permeable membrane.Type: GrantFiled: June 4, 2007Date of Patent: February 26, 2013Assignees: Rengo Co., Ltd., Frontier Industrial Co., Ltd.Inventors: Fumio Miyagoshi, Masao Fujita, Hidenao Saito, Hirokuni Tajima, Sadao Odajima
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NONWOVEN FIBROUS WEBS CONTAINING CHEMICALLY ACTIVE PARTICULATES AND METHODS OF MAKING AND USING SAME
Publication number: 20130030340Abstract: Nonwoven fibrous webs including a multiplicity of randomly oriented discrete fibers and a multiplicity of chemically active particulates secured to the web, and methods of making and using same. In some embodiments, more than 0% and less than 10% wt. of the nonwoven fibrous web is made of multi-component fibers having at least a first region exhibiting a first melting temperature and a second region exhibiting a second melting temperature greater than the first melting temperature. In other embodiments, the discrete fibers include a first population of monocomponent thermoplastic fibers having a first melting temperature, and a second population of monocomponent fibers having a second melting temperature greater than the first melting temperature. In certain embodiments, at least some of the particulates are bonded to the fibers. In other embodiments, at least some of the particulates are secured within interstices of the fibrous web, without substantial bonding to the fibers.Type: ApplicationFiled: April 14, 2011Publication date: January 31, 2013Applicant: 3M INNOVATIVE PROPERTIES COMPANYInventors: Bernard Vincent, Lahoussaine Lalouch, Tien T. Wu, Eric M. Moore -
Patent number: 7811953Abstract: An article, preferably a patch, containing: a support in the form of at least one sheet containing fibres that are water-soluble at a temperature of 0-30° C., and a composition carried by the support, containing at least one water-soluble gelling agent which swells in less than 30 seconds in water at a temperature of 20° C. to 30° C.Type: GrantFiled: July 9, 2008Date of Patent: October 12, 2010Assignee: L'OrealInventor: Odile Aubrun-Sonneville
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Publication number: 20100030284Abstract: A textile material (21, 21?) comprising a textile substrate (22, 22?) has, at least on part of the surface of the textile substrate (22, 22?), a coating (24, 24?) that contains at least one compound chosen from the group composed of hydrogels, except keratin hydrogels, of polyurethanes, polyvinyl chloride, polytetrafluoroethylene and any desired combinations of two or more of the aforementioned compounds. This textile material (21, 21?) can be used particularly as a substance for an artificial intervertebral disc (16?, 16??), as a replacement for the nucleus pulposus (16?, 16?), cage (16, 16?), vertebral body implant (16??), articular surface substitute, or as a tube (18, 18?, 18?, 18?) in vertebroplasty or nucleoplasty.Type: ApplicationFiled: December 21, 2006Publication date: February 4, 2010Applicant: ZIMMER GMBHInventors: Niels A. Abt, Guido Casutt
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Publication number: 20090297794Abstract: A laminate includes a base layer being made from one of woven fabrics, knitted fabrics, and non-woven fabrics, and having two surfaces, and a thin film layer made of a polyvinyl butyral-based composition and covering one of the two surfaces of the base layer. An article for daily use, at least one part of which is made of the laminate, is also disclosed.Type: ApplicationFiled: May 26, 2009Publication date: December 3, 2009Inventor: Chun-Wei LIN
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Publication number: 20090117798Abstract: A sheet made of a fabric or paper coated with a substance which has a strong function to adsorb, remove and make harmless microbes such as bacteria and viruses is to be configured so as to be usable as a filter, a mask or the like capable of removing the microbes such as the bacteria and viruses. A sheet made of a fabric which uses a fibrous material, for example, polyester in which a sulfenate group or a carboxylate group has been introduced, and has a surface coated, for example, with anatase type titanium oxide makes microbes such as bacteria and viruses harmless by adsorbing these microbes and has sufficient air permeability, therefore being usable as a filter, a mask or the like.Type: ApplicationFiled: October 20, 2005Publication date: May 7, 2009Inventors: Seisuke Takashima, Masatoshi Iida
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Patent number: 7279013Abstract: Semi-bleached to bleached sulfonated aromatic condensation resin alone or in combination with a semi-soluble methacrylic polymer of high molecular weight provides improved resistance to staining by acid colorants in a fibrous polyamide or wool substrate.Type: GrantFiled: June 22, 2004Date of Patent: October 9, 2007Assignee: Trichromatic Carpet Inc.Inventor: Yassin M. Elgarhy
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Patent number: 6716774Abstract: A knitted screen cloth fabric including a polymer coated, fiber-reinforced, flexible, foil-like web and method for making same are disclosed, the web including a lattice material of filaments and a polyester binding thread.Type: GrantFiled: December 19, 2001Date of Patent: April 6, 2004Assignee: Saint-Gobain Technical Fabrics Canada, Ltd.Inventors: John Frederick Porter, Roger Peter Lewington
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Publication number: 20030045191Abstract: A packaged pre-moistened wet wipe comprising a web of nonwoven fibers bonded with a water soluble and/or dispersible polymeric binder in contact with an aqueous composition which is substantially free of boric acid and contains a sufficient amount of a water-binding compound, which preferably is a salt of an organic or inorganic acid, to prevent the dissolution/redispersion of the water soluble/dispersible components of the binder composition while imbuing the nonwoven with a wet tensile strength that is at least as great as that afforded by a 4 wt % boric acid solution.Type: ApplicationFiled: August 22, 2001Publication date: March 6, 2003Inventors: Joel Erwin Goldstein, Jeffrey Allen Welty
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Patent number: 6420284Abstract: A fabric comprising poly(vinyl alcohol) fibers, and a solvent, wherein the fabric is at least partially saturated with the solvent; a kit comprising a container, and a plurality of adjacent sheets disposed within the container, wherein the sheets comprise the fabric; a kit comprising a container; and a roll of the fabric disposed within the container; wherein the fabric comprises a width and a length, the lengthlwidth ratio is greater than 10:1, a series of perforations traverse the width of the fabric at evenly spaced intervals; and a method of using the fabric comprising contacting the fabric with the residue of a chemical or mechanical process.Type: GrantFiled: April 12, 1999Date of Patent: July 16, 2002Assignee: Isolyser Company, Inc.Inventors: Ashley D. Myers, Baosheng Lee, Scott Blaine Burdette
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Patent number: 6194517Abstract: 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: GrantFiled: October 5, 1999Date of Patent: February 27, 2001Assignee: Kimberly-Clark Worldwide, Inc.Inventors: William Seal Pomplun, Pavneet Singh Mumick, David Martin Jackson, Yihua Chang
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Patent number: 6194050Abstract: 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: GrantFiled: June 28, 1999Date of Patent: February 27, 2001Assignee: Chemfab CorporationInventors: Keith Gordon Koerber, James Michael McMartin, John Walter Verbicky, Jr., John Effenberger, J. George Drobny
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Patent number: 6051317Abstract: The invention relates to sheet-like absorbents for water and aqueous solutions, containing at a defined distributionA) at least one water-swellable synthetic and/or natural superabsorbent polymer, andB) at least one water-soluble synthetic and/or natural polymeras a matrix of sheet-like design wherein the superabsorbent component A) is integrated or fixed. The sheet-like absorbents have an increased absorptive capacity for water and aqueous liquids, particularly under load. They are manufactured by forming a sheet-like matrix from the water-soluble synthetic and/or natural polymers B) and providing same with said water-swellable synthetic and/or natural superabsorber A), e.g., by applying a solution of matrix B) on a surface, sprinkling same with component A), and drying the sheet-like structure thus obtained.Type: GrantFiled: August 20, 1997Date of Patent: April 18, 2000Assignee: Stockhausen GmbH & Co. KGInventors: Helmut Brueggemann, Kurt Dahmen, Dieter Lehwald, Roland Theilmann
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Patent number: 6027794Abstract: Prepregs, comprising the following components [A], [B] and [C], with the component [C] distributed near either or both of the surface layers without being regularly arranged.[A]: Long reinforcing fibers[B]: A matrix resin[C]: Long thermoplastic resin fibersThe prepregs of the present invention are tacky and drapable, and the composite materials obtained by heating and forming the prepregs are high in heat resistance, and very high in impact resistance and inter-layer toughness. Furthermore, the prepregs are easy to produce and high in their latitude in availability of materials.Type: GrantFiled: August 8, 1997Date of Patent: February 22, 2000Assignee: Toray Industries, Inc.Inventors: Atsushi Ozaki, Hajime Kishi, Nobuyuki Odagiri, Hiroki Oosedo, Hiroaki Hinomiya
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Patent number: 6013587Abstract: Nonwoven articles having high durability and absorbent characteristics, and their methods of manufacture, are presented. One preferred article is characterized by(a) a nonwoven web comprised of organic fibers comprised of polymers having a plurality of pendant hydroxyl groups; and(b) a binder comprising an at least partially crosslinked and at least partially hydrolyzed polymeric resin having a plurality of pendant resin hydroxyl groups, the resin crosslinked by a crosslinking agent, the crosslinking agent selected from the group consisting of organic titanates and amorphous metal oxides, the polymeric resin derived from monomers selected from the group consisting of monomers within the general formula ##STR1## wherein: X is selected from the group consisting of Si(OR.sup.4 OR.sup.5 OR.sup.6) and O(CO)R.sup.7 ; andR.sup.1 -R.sup.7 inclusive are independently selected from the group consisting of hydrogen and organic radicals having from 1 to about 10 carbon atoms, inclusive, and combinations thereof.Type: GrantFiled: May 29, 1996Date of Patent: January 11, 2000Assignee: Minnesota Mining and Manufacturing CompanyInventors: Jack G. Truong, Willa M. Studiner, Bradford B. Wright, Michael M. Rock, Jr.
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Patent number: 5986004Abstract: 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: GrantFiled: March 17, 1997Date of Patent: November 16, 1999Assignee: Kimberly-Clark Worldwide, Inc.Inventors: William Seal Pomplun, Pavneet Singh Mumick, David Martin Jackson, Yihua Chang
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Patent number: 5972805Abstract: 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: GrantFiled: April 7, 1998Date of Patent: October 26, 1999Assignee: Kimberly-Clark Worldwide, Inc.Inventors: William Seal Pomplun, Pavneet Singh Mumick, David Martin Jackson, Yihua Chang
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Patent number: 5972039Abstract: 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: GrantFiled: April 7, 1997Date of Patent: October 26, 1999Assignee: Isolsyer Company, Inc.Inventors: Travis W. Honeycutt, Baosheng Lee, Dong Dai, Nigel J. Flynn
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Patent number: 5918413Abstract: The present invention is characterized by coating a seed with from 0.1 to 25% by weight of a powder (A) composed of one or both of montmorillonite and bentonite and having an average particle diameter of 30 .mu.m or less and from 99.9 to 75% by weight of a powder (B) composed of a material other than montmorillonite and bentonite and having an average particle diameter of at least 10 .mu.m and at most 30 .mu.m using a polyvinyl alcohol aqueous solution having an aqueous solution viscosity at 25.degree. C. of 50 mPa.multidot.s or less as a binder. Consequently, a coated seed obtained by coating a seed, especially a light-favoured seed, easily absorbs water in sowing and is easily cracked in absorbing water. Further, the easy cracking thereof remains unchanged with the course of time. In the coating, formation of by-product seedless spherical pellets is little observed.Type: GrantFiled: June 9, 1998Date of Patent: July 6, 1999Assignees: Dai-Ichi Kogyo Seiyaku Co., Ltd., Takii Shubyo Kabushiki KaishaInventors: Takamitsu Otani, Hiroyuki Nakata, Toshikazu Akao, Yoshihiro Maeda
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Patent number: 5916659Abstract: 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: GrantFiled: January 14, 1996Date of Patent: June 29, 1999Assignee: Chemfab CorporationInventors: Keith Gordon Koerber, James Michael McMartin, John Walter Verbicky, Jr., John Effenberger, J. George Drobny
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Patent number: 5883019Abstract: Nonwoven articles having high durability and absorbent-characteristics, and their methods of manufacture, are presented. One preferred article is characterized by(a) a nonwoven web comprised of organic fibers comprised of polymers having a plurality of pendant hydroxyl groups; and(b) a binder comprising an at least partially crosslinked and at least partially hydrolyzed polymeric resin having a plurality of pendant resin hydroxyl groups, the resin crosslinked by a crosslinking agent, the crosslinking agent selected from the group consisting of organic titanates and amorphous metal oxides, the polymeric resin derived from monomers selected from the group consisting of monomers within the general formula ##STR1## wherein: X is selected from the group consisting of Si(OR.sup.4 OR.sup.5 OR.sup.6) and O(CO)R.sup.7 ; andR.sup.1 -R.sup.7 inclusive are independently selected from the group consisting of hydrogen and organic radicals having from 1 to about 10 carbon atoms, inclusive, and combinations thereof.Type: GrantFiled: May 28, 1996Date of Patent: March 16, 1999Assignee: Minnesota Mining and Manufacturing Co.Inventors: Jack G. Troung, Bradford B. Wright, Michael M. Rock, Jr.