Coating Or Impregnation Improves Soil Repellency, Soil Release, Or Anti- Soil Redeposition Qualities Of Fabric Patents (Class 442/93)
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Publication number: 20020160675Abstract: The present invention relates to textile treatment compositions for imparting desirable characteristics durably to textile fibers and fabrics, including softness, hydrophobicity, oleophobicity, surface lubricity, abrasion resistance, tear resistance, improved drape, and pilling resistance. More particularly, in one embodiment, the invention is directed to preparations that comprise a carboxylate-functionalized fluorinated polymer and a catalyst that is capable of forming reactive anhydride rings between carboxyl groups on the polymer. In another embodiment, the invention is directed to preparations comprising a polymeric softener having at least one anhydride functional group or at least one reactive group capable of forming an anhydride functional group, together with a catalyst for forming anhydrides from the reactive group or groups. In either embodiment, the resulting reactive anhydride rings bind to substrates, such as textiles and other webs, having free sulfhydryl, alcohol, or amine groups.Type: ApplicationFiled: March 6, 2002Publication date: October 31, 2002Applicant: Nano-Tex, LLCInventors: Matthew R. Linford, David S. Soane, David A. Offord, William Ware
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Publication number: 20020137414Abstract: 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: ApplicationFiled: April 12, 2002Publication date: September 26, 2002Applicant: Warmkraft, Inc.Inventor: Ronnie Franklin Lack
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Publication number: 20020137415Abstract: 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: ApplicationFiled: March 19, 2002Publication date: September 26, 2002Inventor: Yassin M. Elgarhy
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Patent number: 6429156Abstract: There is disclosed a substance releasing material including a substrate having at least one beneficial substance adhered thereto by at least one layer of bonding agent. The beneficial substance or substances is releasable by the action of a release agent. Examples of the beneficial substance include an anti-rust agent, a foodstuff preservative, a sterilising agent, and a foodstuff flavouring.Type: GrantFiled: May 28, 1997Date of Patent: August 6, 2002Inventors: Keith Charles Tipler, Ivan Robert Tatt
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Publication number: 20020102382Abstract: The invention relates to water dispersible finishing compositions for fibrous substrates including fibers, fabrics, carpets, nonwoven webs, and the like. The finishing compositions can impart to the fibrous substrate soil resistance and a range of hydrophilic properties from water repellency to water absorbency. Preferably, the finishing compositions can impart stain resistance to the fibrous substrate. The invention also relates to methods for treating fibrous substrates with the finishing compositions of this invention. The compositions can be applied to the substrate and subsequently cured at ambient temperature or above.Type: ApplicationFiled: December 1, 2000Publication date: August 1, 2002Applicant: 3M Innovative Properties CompanyInventors: Gary W. Kwong, Mitchell T. Johnson, Malcolm B. Burleigh
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Publication number: 20020102892Abstract: 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 copolymer.Type: ApplicationFiled: March 20, 2002Publication date: August 1, 2002Applicant: Warmkraft, Inc.Inventor: Ronnie Franklin Lack
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Patent number: 6395655Abstract: 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: December 17, 1999Date of Patent: May 28, 2002Assignee: Trichromatic Carpet Inc.Inventor: Yassin M. Elgarhy
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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: 20020019183Abstract: A woven fabric substrate is treated with a fluorochemical stain resist agent and thereafter extrusion coated substantially on the back side with a layer of thermoplastic polymeric material so as to yield a final construction which exhibits both fluid and stain resistant properties. The fabric substrate can also be treated with an flame retardant agent, an antistatic agent, and/or an anti-microbial agent.Type: ApplicationFiled: May 23, 2001Publication date: February 14, 2002Inventors: Roy P. Demott, William C. Kimbrell, Thomas E. Godfrey, Samuel J. Lynn
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Patent number: 6207594Abstract: A combination of a semi-soluble or insoluble ethylmethacrylate polymer and a soluble or semi-soluble methacrylic acid polymer, optionally with a partially sulfonated resol resin which provides improved resistance to staining by acid colorants in a fibrous polyamide substrate.Type: GrantFiled: January 11, 1999Date of Patent: March 27, 2001Assignee: Trichromatic Carpet Inc.Inventor: Yassin M. Elgarhy
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Patent number: 6143394Abstract: There is disclosed the manufacture and use of nonwoven absorbent mats laminated with barrier film for manhole aprons. The absorbent aprons are used about manholes during routine maintenance of underground transformers, utility cables, etc. The nonwoven aprons are coated to prevent the absorbed liquid from leaching through. The mat is specially designed to absorb contaminated liquid very quickly. The nonwoven mat is made out of cotton shoddy fibers and/or a mixture of synthetic fibers and/or synthetic fibers only with film on one side. The mat has a 36-inch manhole opening in the center thereof. The mat is thin and lays flat to conform to the road. The thickness of the mat ranges from 0.075" to 0.25" in order to avoid any tripping hazard.Type: GrantFiled: January 25, 1999Date of Patent: November 7, 2000Assignee: KG Fibers, Inc.Inventors: Kirit H. Patel, Gulshan Chhabra
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Patent number: 6103642Abstract: A stain resistant laminated sheet material is provided which comprises: a base fabric; a stain resistant resin layer provided on at least one side of the base fabric; and a color layer provided on the stain resistant resin layer. The color layer is soluble in a particular solvent in which the stain resistant resin layer is insoluble.Type: GrantFiled: October 15, 1998Date of Patent: August 15, 2000Assignee: Kanbo Pras CorporationInventors: Gunji Arai, Osamu Tanida
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Patent number: 5965232Abstract: A composite floor covering having an upper layer of a decorative fabric, a dimensionally stabilizing intermediate layer, and an optional lower cushioning layer has at least the upper surface of the decorative fabric coated with a protective polymeric coating in a manner such that the hand of the decorative fabric layer is substantially retained. The materials of the fabric layer, stabilizing layer, and cushioning layer (if provided) as well as the form of attachment therebetween, cooperate to render the floor covering substantially impervious to liquid.Type: GrantFiled: October 4, 1996Date of Patent: October 12, 1999Assignee: E.I. du Pont de Nemours & Co., Inc.Inventor: Yashavant Vinayak Vinod
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Patent number: 5945493Abstract: A terpolymer having units of Formula I ##STR1## wherein X is a C.sub.2-10 alkyl, C.sub.6-12 aryl, or C.sub.4-12 alkoxy radical,d is from about 3 to about 50,R is a fluoroalkyl radical R.sub.f (A).sub.v --(B).sub.w --,R.sub.f is a fully fluorinated straight or branched aliphatic radical optionally interrupted by at least one oxygen atom,A is a divalent radical selected from --SO.sub.2 N(R")--, --CON(R")--, --S--, or --SO.sub.2 --, where R" is H, or a C.sub.1-6 alkyl radical,B is a divalent linear hydrocarbon radical -CtH.sub.2 t-, where t is 1 to 12,Y is a divalent radical --CH.sub.2 --O--,u, v, and w are each independently zero or 1,R' is hydrogen or methyl,e is from about 0.05 to about 10,M is hydrogen, alkali metal, or ammonium, andf is from about 5 to about 40,and its use to provide soil resistance and resistance to staining by acid dyes for fiber substrates is disclosed.Type: GrantFiled: June 19, 1998Date of Patent: August 31, 1999Assignee: E. I. du Pont de Nemours and CompanyInventors: Engelbert Pechhold, Peter Michael Murphy
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Patent number: 5855624Abstract: The present invention relates to cellulose fibers excellent in dirt removability and a method of treatment thereof. The cellulose fibers of the invention are liquid ammonia-treated cellulose fibers whose partial or entire exterior is coated with an ester of (A) a polycarboxylic acid having at least three carboxyl groups and (B) a hydrophilic polyol having an oxyethylene group or groups and at least two alcoholic hydroxyl groups and/or which fibers are impregnated with the ester.Type: GrantFiled: April 16, 1997Date of Patent: January 5, 1999Assignee: New Japan Chemical Co., Ltd.Inventors: Kango Fujitani, Yoko Fukuyama, Toshio Watanuki, Hiroyuki Miura, Yutaka Tsujimoto, Kazuhisa Honda, Yoshitaka Uno, Yoshiaki Sakai
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Patent number: 5855623Abstract: Methods are provided for treating polyester, polyamide, acrylic, aramid or cellulosic substrates to improve the uniformity of dyeing and to improve the hydrophilic, soil-release, odor-, mildew-, bacterial- and fungal- resistant properties of these substrates.Type: GrantFiled: September 20, 1996Date of Patent: January 5, 1999Assignee: Intera Technologies, Inc.Inventors: Larry L. English, Ted A. Mallen
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Patent number: 5821177Abstract: A mixture of at least one acid and at least one metal compound enhance the stain resistance or acid dye fixation and resistance to cold water bleeding of fibrous polyamide and wool substrates, for example, carpets, treated with a water-soluble sulfonated aromatic-aldehyde condensation resin, for example, sulfonated resole and sulfonated novolak type resins; at the same time an improvement in light fastness or non-yellowing is obtained and the durability or wash fastness of the stain resistance is improved; the condensation resin is optionally employed in conjunction with a polymeric methacrylic acid. The acid of the mixture is one or more of phosphoric acid, polyphosphoric acid, citric acid and sulfuric acid; the metal compound is, in particular, a salt of magnesium or copper.Type: GrantFiled: December 16, 1996Date of Patent: October 13, 1998Assignee: Trichromatic Carpet Inc.Inventor: Yassin M. Elgarhy
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Patent number: 5814566Abstract: There is disclosed a belt assembly including: (a) an endless belt capable of repeated cycling over rollers having a first side edge and a second side edge and defining a center region between two side regions, wherein a low friction composition comprised of a fluoropolymer covers a portion of the length of the first side edge; and (b) a belt guide apparatus which contacts the first side edge during cycling of the belt to position the belt on the rollers, wherein the low friction composition reduces the wear of the belt at the first side edge.Type: GrantFiled: March 6, 1997Date of Patent: September 29, 1998Assignee: Xerox CorporationInventors: Edward L. Schlueter, Jr., Lucille M. Sharf, Kevin J. Teed
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Patent number: 5773373Abstract: A method of making a reinforced laminate, including the steps of placing a reinforcing grid on a first outer sheet of thermoplastic, preparing an elastomeric material capable of forming a tie layer between two sheets of thermoplastic, and laminating a second outer sheet of thermoplastic to the first sheet of thermoplastic and the reinforcing grid with the tie layer of elastomeric material therebetween, whereby the reinforcing grid is held by the elastomeric tie layer in between the first outer sheet of thermoplastic and the second outer sheet of thermoplastic, and the reinforcing grid being displaceable within the elastomeric tie layer.Type: GrantFiled: June 18, 1996Date of Patent: June 30, 1998Assignee: Reef Industries, Inc.Inventors: Lyndell Kyle Wynne, Abdeally Mohammed
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Patent number: 5756407Abstract: A treated fibrous polyamide substrate having durable resistance to staining by acid colorants comprising a fibrous polyamide substrate having applied thereto an aqueous solution of a sulfonated, phosphated resol resin; which aqueous solution may include a methacrylic polymer or copolymer and a fluorochemical; and the method of treating said substrate with the solution to render it durable to staining by acid colorants.Type: GrantFiled: October 9, 1996Date of Patent: May 26, 1998Assignee: Trichromatic Carpet Inc.Inventors: Yassin M. Elgarhy, Barry R. Knowlton
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Patent number: 5756181Abstract: A method for imparting soil resistance to unscoured carpets, and a carpet treated in accordance with the method, are provided. In accordance with the method, a substrate comprising unscoured carpet fibers is treated with the ammonium salt of a polycarboxylic acid, such as an ammonium salt of a hydrolyzed styrene/maleic anhydride copolymer. The treated substrate is found to have enhanced water and oil repellency in both heat cured and room temperature drying conditions.Type: GrantFiled: July 23, 1996Date of Patent: May 26, 1998Assignee: Minnesota Mining and Manufacturing CompanyInventors: Shou-Lu G. Wang, Irvin F. Dunsmore, Robert F. Kamrath, John C. Chang
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Patent number: 5738688Abstract: The invention consists of a process to improve the resistance to stains on fibres, processed or not, finished or not on the basis of dyeable natural or synthetic fibres, in particular polyamide. According to the invention the fibres are treated with a solution containing tannic acid and a condensation product of a sulphonated phenol- or naphtol-derivate with an aldehyde. The treatment can be made before, during or after the dyeing process. The treatment is done in an acid medium.Type: GrantFiled: August 2, 1996Date of Patent: April 14, 1998Assignee: N. V. Denderland-MartinInventor: Armand De Lathauwer
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Patent number: 5736468Abstract: A treated fibrous polyamide substrate having durable resistance to staining by acid colorants comprising a fibrous polyamide substrate having applied thereto an aqueous solution of a sulfonated, phosphated resol resin and a methacrylic polymer or copolymer of high number average molecular weight, and preferably high weight average molecular weight and optionally, fluorochemical; and the method of treating said substrate with the solution to render it durable to staining by acid colorants.Type: GrantFiled: January 21, 1997Date of Patent: April 7, 1998Assignee: Trichromatic Carpet Inc.Inventor: Yassin M. Elgarhy