Removing Formation Impurities From Artifical Fiber Patents (Class 8/137.5)
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Patent number: 9469922Abstract: The present invention concerns methods for removing sulfur from a fiber comprising the steps of: a) contacting never-dried sulfur-containing fiber in a yarn with an aqueous base having a pKa less than or equal to 11 to release at least a portion of said sulfur, said sulfur comprising, at least in part, sulfate anions and said yarn comprising fiber derived from polymer comprising imidazole groups; and b) rinsing said yarn to remove at least a portion of released sulfur.Type: GrantFiled: January 11, 2012Date of Patent: October 18, 2016Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Steven R. Allen, Vlodek Gabara, Joseph Lenning Lowery, Steven Raymond Lustig, Christopher William Newton, David J. Rodini, Andrew J. Sitter
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Patent number: 9464370Abstract: The present invention concerns methods for removing sulfur from a fiber made from a polymer comprising imidazole groups, said method comprising: contacting never-dried sulfate anion-containing polymeric-fiber with an aqueous acid having a pKa of less than 5 to displace at least a portion of the sulfate anions; and b) rinsing the fiber to remove the displaced sulfate ions.Type: GrantFiled: January 11, 2012Date of Patent: October 11, 2016Assignee: E I DU PONT DE NEMOURS AND COMPANYInventors: Steven R. Allen, Vlodek Gabara, Joseph Lenning Lowery, Steven Raymond Lustig, Christopher William Newton, David J. Rodini, Andrew J. Sitter
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Publication number: 20150047130Abstract: The present invention concerns methods for removing sulfur from a fiber made from a polymer comprising imidazole groups, said method comprising: contacting never-dried sulfate anion-containing polymeric-fiber with an aqueous acid having a pKa of less than 5 to displace at least a portion of the sulfate anions; and b) rinsing the fiber to remove the displaced sulfate ions.Type: ApplicationFiled: January 11, 2012Publication date: February 19, 2015Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: Steven R. Allen, Vlodek Gabara, Joseph Lenning Lowery, Steven Raymond Lustig, Christopher William Newton, David J. Rodini, Andrew J. Sitter
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Publication number: 20130014329Abstract: The present invention concerns yarns comprising copolymer derived from the copolymerization of para-phenylenediamine, 5(6)-amino-2-(p-aminophenyl)benzimidazole; and terephthaloyl dichloride wherein the ratio of moles of 5(6)-amino-2-(p-aminophenyl)benzimidazole to the moles of para-phenylenediamine is 30/70 to 85/15. The yarns have a sulfur content greater than 0.1%; and have an effective polymer cation to sulfur content molar ratio of at least 0.3. Additional aspects of the invention concern methods of producing such yarns.Type: ApplicationFiled: January 13, 2012Publication date: January 17, 2013Applicant: E. I. DU PONT DE NEMOURS AND COMPANYInventors: WARREN FRANCIS KNOFF, Christopher William Newton
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Patent number: 8324338Abstract: An oligomer removing agent for polyester-based fiber materials comprises a polyester copolymer which is obtained by polycondensation of a dibasic acid component containing 15-65 mol % of a sulfonate group-containing dibasic acid and a dihydric alcohol component containing polyethylene glycol with a molecular weight of 900-3500, and which has a 200° C. melt viscosity of 5000-23,000 mPa·s and has 10-40 mass % polyoxyethylene chains in the molecule. The oligomer removing agent is able to overcome the problems caused by deposition of polyester oligomers, when added to the dyeing bath in a dyeing step for polyester fiber materials or for fiber materials that are composites thereof with other fiber materials.Type: GrantFiled: January 21, 2011Date of Patent: December 4, 2012Assignee: Nicca Chemical Co., Ltd.Inventors: Masaaki Hosoda, Masatoshi Hayashi
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Patent number: 8221507Abstract: The invention relates to a process for removing silicones present on fibers, yarns or textile sheet materials (substrates) wherein an aqueous preparation is allowed to act on the substrates, and then the thus treated substrates are rinsed to remove the residual silicone, characterized in that said preparation contains from 0.5 to 10% by weight of surface-active quaternary ammonium compounds and from 0.5 to 5% by weight of alkali hydroxide, respectively based on the aqueous preparation. The process is suitable, in particular, for the recovery and recycling of fibrous material and silicones from airbags or coated fabric scraps from the ready-making of airbags.Type: GrantFiled: June 26, 2006Date of Patent: July 17, 2012Assignee: CHT R. Beitlich GmbHInventors: Friedhelm Nickel, Douglas Malcolm Hilton
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Patent number: 8206462Abstract: The present invention relates to the use of polymers comprising carboxyl groups in combination with bivalent cations for producing a protective layer on a textile sheet material and to textile treatment agents, in particular washing and cleaning agents containing said polymers in a suitable form of administration, in order to enable the formation of a protective layer on textile sheet materials.Type: GrantFiled: September 19, 2011Date of Patent: June 26, 2012Assignee: Henkel AG & Co. KGaAInventors: Paula Barreleiro, Danuta Bedrunka, Wolfgang von Rybinski, Arndt Scheidgen
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Patent number: 7902139Abstract: A laundry treatment composition comprising: (i) from 2 to 70 wt % of a surfactant, and from 0.0001 to 0.1 wt % of an azine dye, wherein the dye is of the following core structure (I), wherein Ra, Rb, Rc, and Rd are selected from: H, an branched or linear C1 to C7-alkyl chain, benzyl a phenyl, and a naphthyl; the dye is substituted with at least one SO3? or —COO? group; the B ring does not carry a negatively charged group or salt thereof; and the A ring may further substituted to form a naphthyl; the dye is optionally substituted by groups selected from: amine, methyl, ethyl, hydroxyl, methoxy, ethoxy, phenoxy, Cl, Br, I, F, and NO2.Type: GrantFiled: July 13, 2007Date of Patent: March 8, 2011Assignee: Conopco Inc.Inventors: Stephen Norman Batchelor, Jayne Michelle Bird
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Patent number: 7635393Abstract: An aqueous liquid laundry detergent composition comprising an alkoxylated carboxylic acid surfactant and urea at pH 6-8. The composition has improved performance on grass stain removal.Type: GrantFiled: June 6, 2007Date of Patent: December 22, 2009Assignee: The Sun Products CorporationInventors: Feng-Lung Gordon Hsu, Mei Shi
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Patent number: 7429273Abstract: The invention relates to a water-soluble product comprising a water-soluble polymer encasing a liquid carpet cleaning composition.Type: GrantFiled: October 6, 2003Date of Patent: September 30, 2008Assignee: Reckitt Benckiser N.V.Inventors: Mattia De Dominicis, Zefferino Righetto
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Patent number: 7208456Abstract: The present invention is a composition comprising a surfactant blend of nonionic and anionic surfactants useful for the removal of oligomer deposits from polyester fibers and polyester processing equipment. The composition of the present invention includes a surfactant blend of an ethoxylated sorbitan ester and at least one additional nonionic or anionic surfactant. The combination of the ethoxylated sorbitan ester and additional surfactants used in the invention surprisingly has a synergistic effect on the removal of oligomer deposits from polyester fibers and polyester processing equipment.Type: GrantFiled: May 24, 2005Date of Patent: April 24, 2007Assignee: Nicca USA, Inc.Inventor: Kazu Ikebata
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Patent number: 6911421Abstract: The present invention is a composition comprising a surfactant blend of nonionic and anionic surfactants useful for the removal of oligomer deposits from polyester fibers and polyester processing equipment. The composition of the present invention includes a surfactant blend of an ethoxylated sorbitan ester and at least one additional nonionic or anionic surfactant. The combination of the ethoxylated sorbitan ester and additional surfactants used in the invention surprisingly has a synergistic effect on the removal of oligomer deposits from polyester fibers and polyester processing equipment.Type: GrantFiled: November 1, 2002Date of Patent: June 28, 2005Assignee: NICCA USA, Inc.Inventor: Kazu Ikebata
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Patent number: 6589294Abstract: A stain removal product and process is disclosed. The product includes a liquid cleaning composition which contains water, an organic solvent and a surfactant, an absorbent stain receiver, and a sonic or ultrasonic wave generating source for imparting sonic or ultrasonic waves onto stains on textiles. The sonic or ultrasonic wave source is, for example, a hand-held, pen-shaped device with a directed point to focus the sonic or ultrasonic waves at the stain to be removed.Type: GrantFiled: May 20, 2002Date of Patent: July 8, 2003Assignee: The Procter & Gamble CompanyInventors: Thomas Charles Hortel, Nagabhusan Senapati
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Patent number: 6582476Abstract: The present disclosure relates to durable wrinkle reduction products that have improved softness. In a preferred embodiment, silicone containing compounds are incorporated into the cross-linked matrix of cellulosic fibers.Type: GrantFiled: November 6, 2000Date of Patent: June 24, 2003Assignee: Unilever Home & Personal Care USA, division of Conopco, Inc.Inventors: David Alan Binder, Dennis Stephen Murphy
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Patent number: 6524349Abstract: A method for maintaining the hydrophobicity of a hydrophobic polyolefin textile material over time and use. The method includes providing a solution having a pH level between 3.5 and 5.9, subjecting the hydrophobic polyolefin textile material to the solution, and drying. The processed hydrophobic polyolefin textile material maintains hydrophobicity with a contact angle with water of at least 90 degrees permanently. The processed hydrophobic polyolefin fabric can be used in a monolayer or bilayer configuration. The processed hydrophobic polyolefin fabric improves the water vapor transfer through the processed fabric because the processed hydrophobic polyolefin fabric does not saturate, wick or swell with liquid perspiration thereby reducing water liquid attached to fabric pores which increases the volume of space for diffusion of perspiration vapor from the skin, through the fabric, to the outside ambient air. The result is a drier, more comfortable processed garment.Type: GrantFiled: April 6, 2001Date of Patent: February 25, 2003Inventor: Peter C. Wittig
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Publication number: 20020189025Abstract: A stain removal product and process is disclosed. The product includes a liquid cleaning composition which contains water, an organic solvent and a surfactant, an absorbent stain receiver, and a sonic or ultrasonic wave generating source for imparting sonic or ultrasonic waves onto stains on textiles. The sonic or ultrasonic wave source is, for example, a hand-held, pen-shaped device with a directed point to focus the sonic or ultrasonic waves at the stain to be removed.Type: ApplicationFiled: May 20, 2002Publication date: December 19, 2002Applicant: The Procter & Gamble CompanyInventors: Thomas Charles Hortel, Nagabhusan Senapati
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Patent number: 6454876Abstract: The invention provides a method and product for mitigating or eliminating malodor(s) with an aqueous liquid deodorizing composition, in which said composition contains about 0.1-3% water soluble/dispersible polymer, about 0.01-5% fragrance, about 1-20% water soluble/dispersible volatile solvent, and, the remainder, water.Type: GrantFiled: December 22, 1999Date of Patent: September 24, 2002Assignee: The Clorox CompanyInventors: Maria G. Ochomogo, Martha J. Adair, Sheila E. Ali, Leslie E. Finn, David Peterson, Gregory M. Piché, Gregory Van Buskirk
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Patent number: 6391061Abstract: A carpet stain removal product and process are disclosed. The product includes a liquid cleaning composition (18) which contains water, an organic solvent and a surfactant, an absorbent stain receiver, and a sonic or ultrasonic wave generating source (10) for imparting sonic or ultrasonic waves onto stains (14) on textiles (16). The sonic or ultrasonic wave source is, for example, a hand-held, pen-shaped device with a directed point to focus the sonic or ultrasonic waves at the stain to be removed.Type: GrantFiled: August 16, 2000Date of Patent: May 21, 2002Assignee: Procter & Gamble CompanyInventors: Thomas Charles Hortel, Nagabhusan Senapati