Coated Or Impregnated Cellulosic Fiber Fabric Patents (Class 442/153)
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Publication number: 20020077011Abstract: The present invention is an article of manufacture comprising a substrate having a binder composition applied thereon.Type: ApplicationFiled: July 10, 2001Publication date: June 20, 2002Inventors: Robert M. Blanch, Anna Blanch, Gregory Borsinger, Charles F. Lences, Manfred K. Seven
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Patent number: 6387831Abstract: There is provided a fibrous web which includes a binder and which is compressed to a density of up to about 0.3 g/cc. The web may preferably be formed by the bonded carded web process or air lay process. The binder may depend on hydrogen bonding using moisture or may be a non-aqueous solution, a powder, a fibrous binder or a conjugate fiber binder including a moisture triggerable component. Conjugate fibers may be crimped. When wetted the web of this invention should expand rapidly to greater than 80% of its uncompressed thickness and greater than 90% of its thickness when saturated if starting from the uncompressed state.Type: GrantFiled: November 16, 1998Date of Patent: May 14, 2002Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Hannong Rhim, Roland Columbus Smith, Jr., Rob David Everett, Clifford Jackson Ellis, Christopher Cosgrove Creagan
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Publication number: 20020055312Abstract: A textile composition for use in constructing useful garments, the textile composition comprising united superimposed layers of a plastisol composition, a primer and a pliant, stretchable fabric.Type: ApplicationFiled: December 21, 2001Publication date: May 9, 2002Inventor: Jeffrey M. Beraznik
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Publication number: 20020049019Abstract: Methods for improving the brightness and durable press properties of fabric comprise treating the fabric with an aqueous solution comprising formaldehyde, catalyst for crosslinking the formaldehyde with natural fibers in the fabric, and silicone elastomer or precursor thereof, and heating the treated fabric to react the formaldehyde with natural fibers in the fabric. Methods for improving the brightness and shrinkage resistance properties of fabric comprise treating the fabric with an aqueous solution comprising formaldehyde, catalyst for crosslinking the formaldehyde with natural fibers in the fabric, and silicone elastomer or precursor thereof, and heating the treated fabric to react the formaldehyde with natural fibers in the fabric. Cellulose fabric which has a crosslinked formaldehyde durable press treatment and has been subjected to laundering with a brightener-containing detergent exhibits enhanced brightness after the laundering.Type: ApplicationFiled: March 29, 2001Publication date: April 25, 2002Applicant: The Procter & Gamble CompanyInventors: Victoria Anne Maxfield, Michelle Frances Mellea, George L. Payet, Lori Joanne Walker
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Patent number: 6372674Abstract: 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: GrantFiled: September 2, 1999Date of Patent: April 16, 2002Assignee: Warmkraft, Inc.Inventor: Ronnie Franklin Lack
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Publication number: 20020031971Abstract: 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: ApplicationFiled: August 30, 2001Publication date: March 14, 2002Applicant: Weyerhaeuser CompanyInventors: John A. Westland, Colin Elston
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Publication number: 20020013109Abstract: A single- or multi-ply disposable article comprises at least one foreshortened, wet-extensible ply that has a surface topography exhibiting regions of minimum and maximum calipers comprising creping ridges, wherein the creping ridges are oriented in a first direction; and a coating bonded to the at least one foreshortened ply, the coating defining bonded regions and a plurality of unbonded regions in the ply. The minimum caliper is coincident the bonded regions, and the coating comprises a plurality of mutually parallel lines of adhesive extending in a second direction substantially perpendicular to the first direction.Type: ApplicationFiled: September 20, 2001Publication date: January 31, 2002Inventor: Nicholes James Nissing
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Publication number: 20020009937Abstract: A composition comprising at least one fiber and a binding amount of a hydroxy-functionalized polyether or polyester and a dispersion comprising a hydroxy-functionalized polyether or polyester.Type: ApplicationFiled: February 9, 2001Publication date: January 24, 2002Inventors: Charles D. Dukes, Donna G. Shaffer, Guang-Ming Xia, John M. Beckerdite
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Publication number: 20010055926Abstract: Disclosed are cleaning sheets comprising an additive and perfume. The additive is preferably selected from the group consisting of wax, oil, and mixtures thereof. The cleaning sheets preferably have at least two regions, where the regions are distinguished by basis weight. In particular, the preferred cleaning sheets comprise one or more high basis weight regions having a basis weight of from about 30 to about 120 g/m2 and one or more low basis weight regions, wherein the low basis weight region(s) have a basis weight that is not more than about 80% of the basis weight of the high basis weight region(s). Also disclosed are cleaning sheets having substantial macroscopic three-dimensionality, in addition to having multiple basis weights. Optionally, the macroscopically three-dimensional cleaning sheets can comprise a scrim material, which when heated and then cooled, contracts so as to provide a macroscopic three-dimensional structure.Type: ApplicationFiled: April 12, 2001Publication date: December 27, 2001Inventors: Saeed Fereshtehkhou, Paul Joseph Russo, Wilbur Cecil Strickland, Nicola John Policicchio
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Patent number: 6300259Abstract: 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: GrantFiled: April 26, 1999Date of Patent: October 9, 2001Assignee: Weyerhaeuser CompanyInventors: John A. Westland, Colin Elston
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Publication number: 20010008824Abstract: There is provided a fibrous web which includes a binder and which is compressed to a density of up to about 0.3 g/cc. The web may preferably be formed by the bonded carded web process or air lay process. The binder may depend on hydrogen bonding using moisture or may be a non-aqueous solution, a powder, a fibrous binder or a conjugate fiber binder including a moisture triggerable component. Conjugate fibers may be crimped. When wetted the web of this invention should expand rapidly to greater than 80% of its uncompressed thickness and greater than 90% of its thickness when saturated if starting from the uncompressed state.Type: ApplicationFiled: November 16, 1998Publication date: July 19, 2001Inventors: HANNONG RHIM, ROLAND COLUMBUS SMITH,, ROB DAVID EVERETT, CLIFFORD JACKSON ELLIS, CHRISTOPHER COSGROVE CREAGAN
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Patent number: 6251808Abstract: An abrasive metal and fiberglass cleaner and polish article comprises a substrate presenting an abrasive surface and being capable of absorbing and retaining a fluid, and a metal and fiberglass cleanser absorbed in the substrate, the cleanser being an oil-in-water emulsion comprising a solvent, a surfactant, an oxidation removing agent, an emulsifier, and a carrier, whereby cleansing action is achieved by the emulsion, and abrasive cleansing action is achieved by the abrasive surface of the substrate. The substrate can comprise a cloth-like towel. A plurality of such towels are packaged into a re-sealable, flexible, vinyl pouch, removed one at a time, as necessary, to accomplish the complete cleaning task.Type: GrantFiled: October 22, 1997Date of Patent: June 26, 2001Assignee: Illinois Tool Works, Inc.Inventors: Edward S. Rose, Raymond G. Wile
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Patent number: 6242369Abstract: This invention relates to metallized, particularly aluminized, fabrics which are coated with specific polyurethane finishes. Such specific polyurethanes must be cross-linked and present in latex form. Upon impregnation within metal-coated fabrics, these particular polyurethanes provide vastly improved washfastness properties to the fabrics and thus ensure the retention of substantially all the metal coating within and on the target fabric.Type: GrantFiled: September 4, 1998Date of Patent: June 5, 2001Assignee: Milliken & CompanyInventors: Kirkland W. Vogt, Tina Louise Kanipe
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Patent number: 6239248Abstract: The specification discloses a method for the manufacture of a fluorescent polyphenolic product with high UV absorbance, its subsequent epoxidation, polyphenolic products, epoxidized derivatives and compositions thereof as well as laminates containing fluorescent polyphenolic products and derivatives thereof. The polyphenolic products are prepared by heating glyoxal at a temperature of about 80° C. to about 100° C. with a molar excess of a phenol in the presence of an acidic catalyst which is eliminated from the reaction mixture at a temperature below about 170° C. The total mole ratio of glyoxal to phenol charged to the reaction mixture is about 0.15 to 0.22 moles of glyoxal for each mole of phenol. The glyoxal is added continuously or by stepwise additions to the phenol so as to keep the aldehyde units in the reaction mixture to less than about 70% of the aldehyde units in the total quantity of glyoxal to be charged for making the polyphenol.Type: GrantFiled: April 23, 1999Date of Patent: May 29, 2001Assignee: Borden Chemical, Inc.Inventor: Arthur H. Gerber
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Patent number: 6239048Abstract: A substrate such as a woven or nonwoven fabric bound with a light-activated dye alone or in combination with additional conventional antimicrobial agents. The substrate is impregnated with a light-activated non-leachable dye having antimicrobial and/or antiviral characteristics which can be imparted to the substrate. The dye is bound by a cationic or anionic binder such as a water soluble polymer or carrageenan. Upon exposure to normal light, the dye generates singlet oxygen that kills microorganisms and viruses.Type: GrantFiled: December 28, 1994Date of Patent: May 29, 2001Assignee: FiberMark, Inc.Inventors: John E. Wilson, Christopher Bull
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Patent number: 6191056Abstract: This invention relates to metallized, particularly aluminized, fabrics which are coated with specific polyurethane finishes and primer coatings comprising novel phosphate-containing primers. Such specific polyurethanes are cross-linked when reacted with the primer coatings and applied in latex form. Upon impregnation within metal-coated fabrics, these particular polyurethanes encapsulate the metal particles and provide vastly improved washfastness properties to the fabrics and thus ensure the retention of substantially all the metal coating within and on the target fabric. The phosphate-containing primer provides remarkably improved adhesion between the metal and the polyurethane for excellent durability and washfastness. The primer compositions as well as the methods of producing a metallized coated with a primed polyurethane encapsulant are also provided.Type: GrantFiled: September 20, 1999Date of Patent: February 20, 2001Assignee: Miliken & CompanyInventors: Kirkland W. Vogt, Kristen K. Arthur
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Patent number: 6165919Abstract: 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: GrantFiled: January 14, 1997Date of Patent: December 26, 2000Assignee: University of Georgia Research Foundation, Inc.Inventor: Charles Qixiang Yang
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Patent number: 6156677Abstract: A medical packaging material based on a cellulosic nonwoven web which may be used in an oxidizing gas plasma sterilization environment. The material includes a cellulosic nonwoven web made up of fibers. From about 50 to 100 percent by weight of the fibers, based on the total weight of the fibers, are cellulosic fibers, and from 0 to about 50 percent by weight of the fibers, based on the total weight of the fibers, are noncellulosic fibers, such as glass wool and synthetic polymer fibers. In some embodiments, the cellulosic nonwoven web may be composed of 100 percent by weight of cellulosic fibers. The cellulosic nonwoven web includes a saturant which is present at a level of from about 50 to about 150 percent by weight, based on the dry weight of the fibers. The saturant includes a cellulosic fiber-protecting synthetic polymer having an effectively low permeability to hydrogen peroxide. For example, the cellulosic fiber-protecting synthetic polymer may have a water vapor transmission rate for a 2.Type: GrantFiled: March 25, 1998Date of Patent: December 5, 2000Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Amy Brown Reed, Robert Emil Weber, Michael Joseph Scott
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Patent number: 6153544Abstract: 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: GrantFiled: March 20, 1998Date of Patent: November 28, 2000Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Fred Robert Radwanski, Henry Skoog, Terry Ray Cleveland, Phillip Sherman Warren, William Francis Cartwright
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Patent number: 6132476Abstract: 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: GrantFiled: April 20, 1998Date of Patent: October 17, 2000Assignee: Southern Mills, Inc.Inventors: Clyde C. Lunsford, Phillip H. Riggins, Michael T. Stanhope
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Patent number: 6121167Abstract: A wrinkle-free/wrinkle-resistant cellulosic fiber-containing fabric which retains tensile-, tear- and abrasion-strength due to the reduction of hydrogen bonding in the fabric is obtained by a process which comprises pretreating the fabric with the processes to reduce and control hydrogen bonding in the fabric, and treating a cellulosic fiber-containing fabric with aqueous formaldehyde and a catalyst in liquid form capable of catalyzing the cross-linking reaction between the formaldehyde and cellulose. Such cross-linking is carried out by heat-curing the cellulosic fiber-containing fabric under saturated steam with or without high pressure and/or infrared or far-infrared radiation and/or high frequency (induction) radio waves. Under such conditions the formaldehyde reacts with cellulose in the presence of catalyst with no substantial loss of formaldehyde prior to said reaction so as to improve the wrinkle-free or wrinkle-resistant property of the fabric without substantial strength loss.Type: GrantFiled: August 20, 1998Date of Patent: September 19, 2000Inventor: Hiroharu Okamoto
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Patent number: 6114261Abstract: A polybutylene-based hot melt adhesive composition having a variety of end uses, particularly in construction and elastic attachment applications on nonwoven disposable articles. Unlike typical hot melt adhesives, the present composition can withstand exposure to emollients such as mineral oil and other oil-based ointments without experiencing catastrophic bond failure. The composition includes a polybutylene-based polymer or a mixture of a polybutylene-based polymer and a polyalphaolefin polymer, a tackifier resin, a plasticizer, a wax and a stabilizer. The hot melt adhesive composition can be applied using common application techniques such as extruding or spraying.Type: GrantFiled: January 27, 1999Date of Patent: September 5, 2000Assignee: Ato Findley, Inc.Inventors: Diane M. Strelow, Margaret M. Oteman, Mark A. Gibes, Johannes Cornelis Maria Simons, Mark D. Alper, Bonnie M. Harris, Monina D. Kanderski
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Patent number: 6084021Abstract: An aqueous binder composition containing a urea-formaldehyde resin modified with a water-soluble styrene-maleic anhydride copolymer is used in the preparation of fiber mats.Type: GrantFiled: January 4, 1999Date of Patent: July 4, 2000Assignee: Georgia-Pacific Resins, Inc.Inventors: Shau-Gan Chang, Larry R. Graves, Charles R. Hunter, Stacey L. Wertz
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Patent number: 6080687Abstract: The present invention is directed to a method for dyeing anionic textile materials such as cellulosic materials with a cationic pigment dispersion. The method comprises padding the textile material with a cationic pigment dispersion comprising a pigment and a cationic dispersant and padding the textile material with a film-forming polymer. The padding steps can occur simultaneously with both the cationic pigment dispersion and the film-forming polymer in the same bath or in consecutive padding steps with the cationic pigment dispersion applied before the film-forming polymer or vice versa. The padded materials are dried and cured to produce the pigment-dyed materials.Type: GrantFiled: March 18, 1999Date of Patent: June 27, 2000Assignee: Zydex IndustriesInventor: Ranka Ajay Ishwarlal
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Patent number: 6037282Abstract: 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: GrantFiled: February 13, 1997Date of Patent: March 14, 2000Assignee: SCA Hygiene Paper ABInventors: Ebbe Milding, Ulf Holm, Gerhard Lammers
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Patent number: 6001750Abstract: The present invention relates to a fibrous base material comprising a primary layer of less fibrillated aramid fibers, carbon particles, carbon fibers, phenolic novoloid fibers, and at least one filler material, optionally cotton fibers, and a secondary layer of carbon particles on at least one surface of the fibrous base material for use in a non-asbestos friction material. In certain embodiments, the fibrous base material is impregnated with a phenolic or phenolic-based resin material, including, for example, a mixture of a phenolic resin and a silicone resin to form a friction material having an extended high speed durability life, good "break-in" characteristics, good heat dissipation characteristics, and good noise or squawk resistance.Type: GrantFiled: March 24, 1999Date of Patent: December 14, 1999Assignee: Borg-Warner Automotive, Inc.Inventor: Robert C. Lam
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Patent number: 5948712Abstract: The invention relates to a fabric used for preparing a base member of a trim member. This fabric is prepared by heating a mixture of a vegetable stiff fiber and a thermoplastic fiber. With this heating, the thermoplastic fiber becomes soft, and thus the vegetable stiff fiber and the thermoplastic fiber are united together. Examples of the vegetable stiff fiber are hemp fiber, coconut fiber and bamboo fiber. An example of the thermoplastic fiber is a composite fiber made of polyethylene and polypropylene. The fabric is superior in strength and workability and becomes advantageously low in heating temperature for molding the fabric.Type: GrantFiled: March 27, 1998Date of Patent: September 7, 1999Assignee: Ikeda Bussan Co., Ltd.Inventors: Kazuo Tanabe, Masahiro Kodama, Takashi Koyama, Yoshihiro Honda
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Patent number: 5922625Abstract: 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: GrantFiled: December 19, 1995Date of Patent: July 13, 1999Assignee: Canon Kabushiki KaishaInventors: Masahiro Haruta, Shoji Koike, Koromo Shirota, Aya Takaide, Tomoya Yamamoto, Mariko Suzuki
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Patent number: 5912196Abstract: 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: GrantFiled: December 20, 1995Date of Patent: June 15, 1999Assignee: Kimberly-Clark Corp.Inventors: Fred Robert Radwanski, Henry Skoog, Terry Ray Cleveland, Phillip Sherman Warren, William Francis Cartwright
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Patent number: 5895504Abstract: 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: GrantFiled: July 9, 1997Date of Patent: April 20, 1999Assignee: S. C. Johnson & Son, Inc.Inventors: John A. Sramek, Thomas A. Strash
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Patent number: 5869408Abstract: Hand-tearable barrier laminates are provided which include a reinforcing layer having a first tensile strength laminated to flexible cellulosic web comprising open porosity and a second tensile strength which is less than the first tensile strength. The web is treated with a water-resistant polymeric resin for providing liquid water resistance to the web while permitting water vapor to pass through it. Inexpensive web materials can be substituted for polymer foam and microperforated plastic films currently employed by the housing industry.Type: GrantFiled: September 8, 1997Date of Patent: February 9, 1999Assignee: Bay Mills Ltd.Inventors: John Porter, Rosalene Brunka
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Patent number: 5856245Abstract: A barrier web comprising a fabric that has been treated with a curable shear thinned thixotropic polymer composition, the fabric being adapted to be substantially impermeable to liquids, permeable to gases and impermeable to microorganisms. The barrier webs of the present invention are either impermeable to all microorganisms or are impermeable to microorganisms of certain sizes. The present invention also includes fabrics that are capable of either selectively binding certain microorganisms, particles or molecules depending upon what binding partners are incorporated into the polymer before application to the fabric.Type: GrantFiled: June 7, 1995Date of Patent: January 5, 1999Assignee: Nextec Applications, Inc.Inventors: J. Michael Caldwell, Peter Ellman
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Patent number: 5854146Abstract: A cellulose fabric having a sebum absorbing performance, which maintains its performance even after repeated washing in which a compound having a nonionic surface activity is fixed to a cellulose fabric. A sebum absorbing cellulose fabric is prepared by treating a cellulose fabric with an aqueous mixed solution of a nonionic surfactant and a cross-linking agent having glycidyl ether groups, or by treating a cellulose fabric with an aqueous solution of a glycidyl ether having a nonionic surface activity in the molecule thereof.Type: GrantFiled: March 19, 1997Date of Patent: December 29, 1998Assignee: Fuji Spinning Co., Ltd.Inventors: Koki Itoyama, Kiyohisa Takahashi
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Patent number: 5853867Abstract: This invention concerns an absorbent composite a supporting member and a cationic absorbent polymer and anionic absorbent polymer particles fixed to the supporting member. This absorbent composite excels in absorbing capacity under pressure, vertical aspiration power, and flexibility and suffers only sparing exfoliation of an absorbent polymer. This invention further concerns an absorbent composite which contains an absorbent polymer in an amount of at least 30% by weight based on the total weight of the absorbent composite and, after absorbing a liquid, shows a value of not less than 3 for the expansion anisotropy specified by the following formula.Expansion anisotropy=(Ez/Ex+Ez/Ey)/2(wherein Ex, Ey, and Ez respectively represent coefficient of liner expansion in the directions of X axis, Y axis, and Z axis) and an absorbent article using the absorbent composite.Type: GrantFiled: September 13, 1996Date of Patent: December 29, 1998Assignee: Nippon Shokubai Co., Ltd.Inventors: Nobuyuki Harada, Yoshihiro Motono, Shigeru Sakamoto, Toshimasa Kitayama
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Patent number: 5807364Abstract: Salts of hydroxy acids include functional groups capable of forming "hybrid" ionic bonds with fibers or particles and another functional group capable of forming a hydrogen bond or "hybrid" ionic bond with the fibers when the binder forms a "hybrid" ionic bond with the particles or a hydrogen, coordinate covalent, or "hybrid" ionic bond with the particles when the binder forms a "hybrid" ionic bond with the fibers. Amino acids are also described as binders capable of forming "hybrid" ionic or ionic bonds between fibers and particles. Salts of bases, such as choline chloride are also described as being useful binders for attaching particles to fibers. The salts of bases form ionic bonds with either the particles or the fibers. Such binding systems provide viable alternatives to existing binding systems.Type: GrantFiled: April 4, 1995Date of Patent: September 15, 1998Assignee: Weyerhaeuser CompanyInventor: Michael R. Hansen
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Patent number: 5804277Abstract: A fiber reinforced composite structure and method for fabricating the composite, are described wherein four sets of mechanically flexible fibers are interwoven in a three-dimensional woven structure wherein each fiber is woven through the structure generally along one of the four directions defined generally parallel to a body diagonal of a cube, and wherein the woven structure is impregnated with polymeric, metallic or ceramic matrix material to form a composite material which is braced against deformation by shear applied in any orientation.Type: GrantFiled: July 1, 1996Date of Patent: September 8, 1998Assignee: The United States of America as represented by the Secretary of the Air ForceInventor: Kenneth H. G. Ashbee
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Patent number: 5789326Abstract: A binder is applied to fibers to bind particles to the fibers. The fibers have hydrogen bonding functional groups. The particles have functional groups capable of forming a hydrogen bond or a coordinate covalent bond. The binder comprises binder molecules, the binder molecules having at least one functional group that is capable of forming a hydrogen bond or a coordinate covalent bond with the particles, and at least one functional group that is capable of forming a hydrogen bond with the fibers. A substantial portion of the particles that are adhered to the fibers are adhered in particulate form by hydrogen bonds or coordinate covalent bonds to the binder, and the binder is in turn adhered to the fibers by hydrogen bonds. Fibers containing particles bound by this method are easily densified.Type: GrantFiled: November 19, 1996Date of Patent: August 4, 1998Assignee: Weyerhaeuser CompanyInventors: Michael R. Hansen, Richard H. Young, Sr.
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Patent number: 5780369Abstract: A saturated hydroentangled fibrous web which includes fibers and a saturant. The fibers include from about 20 to 100 percent by weight, based on the total weight of the fibers, of cellulosic fibers, and from 0 to about 70 percent by weight, based on the total weight of the fibers, of mercerized cellulosic fibers. From about 80 to 0 percent by weight of the fibers, based on the total weight of the fibers, are synthetic polymer fibers. Finally, at least 10 percent by weight of the fibers are mercerized cellulosic fibers, synthetic polymer fibers, or a mixture thereof. The saturant is present in the saturated fibrous web at a level of from about 25 to about 100 percent, based on the dry weight of the fibers. When synthetic polymer fibers are present in the web, the saturant may be adapted to wet synthetic polymer fibers. A second layer composed of a bonded nonwoven web may be present. Also provided is a method of preparing the saturated hydroentangled fibrous web.Type: GrantFiled: June 30, 1997Date of Patent: July 14, 1998Assignee: Kimberly-Clark Worldwide, Inc.Inventors: John Patrick Allison, Russell Lynn Dolsey
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Patent number: 5770528Abstract: The present invention is directed to a method of producing methylated hydroxypropylcellulose (m-HPC). By controlling the degree of methylation, one can manipulate the lower critical solution temperature (LCST) of the m-HPC polymer to below room temperature and thereby stabilize the polymer in water above about 30.degree. C. The present invention is also directed to binder compositions, fibrous substrates, water-dispersible products and thermoformable products containing the m-HPC polymer.Type: GrantFiled: December 31, 1996Date of Patent: June 23, 1998Assignee: Kimberly-Clark Worldwide, Inc.Inventors: Pavneet Singh Mumick, Yihua Chang
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Patent number: 5763044Abstract: The present invention relates to fluid pervious, dispersible, and flushable webs particularly suited for use in a disposable absorbent article, such as a diaper, sanitary napkin, panty liner, incontinence pad, or the like. The present invention further relates to such webs which also include an improved, functional textured surface so as to be suitable for use as a topsheet on such a disposable absorbent article.The present invention provides a fluid pervious web which disperses into fragments which are readily flushable in a normal toilet. The web preferably comprises a wetlaid apertured tissue having a temporary wet strength resin incorporated therein. The web preferably further includes a plurality of individual fibrils on a body-facing surface thereof, so as to provide a clean and dry tactile impression in use. The fibrils serve to separate the wearer's skin from the underlying tissue substrate in use.Type: GrantFiled: November 22, 1995Date of Patent: June 9, 1998Assignee: The Procter & Gamble CompanyInventors: Nicholas Albert Ahr, Raymond John Dirk
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Patent number: 5741582Abstract: A blackout drapery lining including a first substrate of a textile material having an inner surface and an external surface, the external surface forming a first finished surface of the drapery lining. A first adhesive layer having an opaque pigment is adhered to the first substrate and covers the inner surface of the first substrate to provide a substantially light impermeable barrier for the drapery lining. The drapery lining also includes a second substrate of a textile material having an inner surface and an external surface, the inner surface of the second substrate being adhered to the first adhesive layer and the external surface of the second substrate forms a second finished surface of the drapery lining.Type: GrantFiled: September 8, 1995Date of Patent: April 21, 1998Assignee: Rockland Industries, Inc.Inventors: Alexander J. Leaderman, Stanley B. Fradin
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Patent number: 5733824Abstract: Hand-tearable barrier laminates are provided which include a reinforcing layer having a first tensile strength laminated to flexible cellulosic web comprising open porosity and a second tensile strength which is less than the first tensile strength. The web is treated with a water-resistant polymeric resin for providing liquid water resistance to the web while permitting water vapor to pass through it. Inexpensive web materials can be substituted for polymer foam and microperforated plastic films currently employed by the housing industry.Type: GrantFiled: June 7, 1995Date of Patent: March 31, 1998Assignee: Bay Mills LTDInventors: Rosalene Brunka, John Porter
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Patent number: 5728461Abstract: Functional fiber products are provided.The functional fiber products are those adhered thereto a protein containing 20% to 40% by weight of serine as an amino acid component and those adhered thereto sericin and deacetylated chitin.Type: GrantFiled: February 7, 1996Date of Patent: March 17, 1998Assignee: Seiren Co., Ltd.Inventors: Akihiro Nogata, Hideyuki Yamada, Masakazu Nomura
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Patent number: 5702992Abstract: A kit for bathing a patient or for personal bathing includes a sealed polyethylene bag containing a plurality of cloths impregnated with a cleansing solution. The cloths are a needle-punched blend of cotton and cellulose acetate for softness and low cost. Furthermore, an anti-microbial agent is carried by the cellulose acetate to prevent the growth of bacteria, yeast and fungus and the package carries another anti-microbial solution as a preservative. The cleansing solution is a non-ionic, nonrinsing mixture of surfactants, emollients or humectants, vitamin E and de-ionized water. The kit is heated and then each cloth is used on a different part of the body and disposed of after use to prevent cross contamination.Type: GrantFiled: October 13, 1995Date of Patent: December 30, 1997Assignee: Incline Technologies Inc.Inventors: John P. Martin, Susan M. Skewes, Russell E. Raddatz
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Patent number: 5700742Abstract: Antimicrobial treatment of textile material with an oligomeric or polymeric biguanide and a strong organic acid having a pK value below 4.5. Acid protects treated material against yellowing the presence of chlorine bleaches and loss of antimicrobial activity on laundering. The preferred biguanide is poly(hexamethylene biguanide) hydrochloride.Type: GrantFiled: April 18, 1996Date of Patent: December 23, 1997Assignee: Zeneca LimitedInventor: John David Payne
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Patent number: 5698478Abstract: Disclosed herein is an ink-jet printing cloth which can be dyed with inks containing a reactive dye and is composed mainly of cellulose fiber, wherein the cloth contains 0.1 to 50% by weight of a cationic substance, 0.01 to 5% by weight of an alkaline substance and 0.01 to 20% by weight of the ammonium salt of a polyvalent acid, the proportions of said cationic and alkaline substances and said ammonium salt being based on the dry weight of the cloth.Type: GrantFiled: October 24, 1995Date of Patent: December 16, 1997Assignee: Canon Kabushiki KaishaInventors: Tomoya Yamamoto, Masahiro Haruta, Shoji Koike, Koromo Shirota, Aya Yoshihira, Mariko Suzuki
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Patent number: 5656367Abstract: A biodegradable binder for nonwoven stock is prepared as an emulsion of 5-200% solids of poly(hydroxybutyrate/hydroxyvalerate) copolymer in water in which the copolymer comprises 70-100 mole percent of 3-hydroxybutyrate and 0-30 percent of 3-hydroxyvalerate.Type: GrantFiled: April 29, 1994Date of Patent: August 12, 1997Assignee: National Starch and Chemical Investment Holding CorporationInventors: Carmine P. Iovine, John H. Walton