Nitrogen Containing Patents (Class 442/115)
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Patent number: 8790449Abstract: Electret webs are presented which include a blend of a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additives include a heterocyclic imide material which is free of fluorinated groups. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media.Type: GrantFiled: March 23, 2010Date of Patent: July 29, 2014Assignee: 3M Innovative Properties CompanyInventors: Fuming B. Li, John M. Sebastian, Marvin E. Jones, Daniel A. Japuntich
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Publication number: 20140134418Abstract: A piezoelectric membrane and a forming method thereof are provided, wherein the method of forming the piezoelectric membrane includes providing a porous substrate film, which is a membrane structure formed by a plurality of fibers and has two main surfaces. Then, piezoelectric material solution is permeated into the porous substrate film and then hardened, such that the fibers are partially covered with the piezoelectric material.Type: ApplicationFiled: January 8, 2013Publication date: May 15, 2014Applicant: NATIONAL TAIWAN UNIVERSITYInventors: Chih-Kung Lee, Han-Lung Chen, Hsu-Ching Liao
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Patent number: 8613795Abstract: Electret webs are presented which include a blend of a thermoplastic resin and a charge-enhancing additive. The charge-enhancing additives include N-substituted amino carbocyclic aromatic materials. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media.Type: GrantFiled: May 4, 2009Date of Patent: December 24, 2013Assignee: 3M Innovative Properties CompanyInventors: Fuming B. Li, Feng Bai, John M. Sebastian, Marvin E. Jones
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Publication number: 20130273797Abstract: This invention relates to electrically conductive polymers grafted to the surface of insulating polymers. Simultaneous polymerization and grafting reactions of conducting precursors form conductive polymer layers that dramatically increase the electrical conductivity of the respective insulating polymer films.Type: ApplicationFiled: March 14, 2013Publication date: October 17, 2013Applicant: E I DU PONT DE NEMOURS AND COMPANYInventors: SIMONA PERCEC, CONOR GORDON BOLAS
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Patent number: 8529671Abstract: Electret webs are presented which include a blend of a thermoplastic resin and a charge additive. The charge additives include ester-substituted and amide-substituted trianilino triazine materials. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media.Type: GrantFiled: November 25, 2008Date of Patent: September 10, 2013Assignee: 3M Innovative Properties ComanyInventors: John M. Sebastian, Fuming B. Li, Marvin E. Jones, Luke T. Dressel, Daniel A. Japuntich
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Patent number: 8324314Abstract: A composition for imparting surface properties to substrates comprising a polymer of at least one polyurethane having at least one urea linkage prepared by: (i) reacting (a) at least one diisocyanate, polyisocyanate, or mixture thereof, having isocyanate groups, and (b) at least one fluorinated compound selected from the formula (I): Rf1-L-X??(I) wherein Rf1 is a monovalent, partially or fully fluorinated, linear or branched, alkyl radical having 2 to 100 carbon atoms; optionally interrupted by 1 to 50 oxygen atoms; wherein the ratio of carbon atoms to oxygen atoms is at least 2:1 and no oxygen atoms are bonded to each other; L is a bond or a linear or branched divalent linking group having 1 to about 20 carbon atoms, said linking group optionally interrupted by 1 to about 4 hetero-radicals selected from the group consisting of —O—, —NR1—, —S—, —SO—, —SO2—, and —N(R1)C(O)— wherein R1 is H or C1 to C6 alkyl, and said linking group optionally substituted with CH2Cl; X is an isocyanate-reactive group selecType: GrantFiled: October 12, 2009Date of Patent: December 4, 2012Assignee: E.I. du Pont de Nemours and CompanyInventors: Gerald Oronde Brown, Michael Henry Ober
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Patent number: 8058343Abstract: Novel aqueous polyurethane dispersions and adhesive films formed therefrom are provided. The aqueous polyurethane dispersions are provided in solvent-free systems of a prepolymer comprising at least one polyether or polyester polyol, a mixture of MDI isomers, and a diol. The adhesive films from such dispersions can be heat-activated for bonding, lamination, and adhesion of textile fabrics, including stretch fabrics.Type: GrantFiled: May 14, 2007Date of Patent: November 15, 2011Assignee: Invista North America S.àr.l.Inventors: Hong Liu, Carmen A Covelli, Douglas K Farmer
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Patent number: 7999034Abstract: A textile benefit composition comprising a polyurethane and/or a polyurethane co-polymer; a cross-linking agent; a catalyst; and a carrier and processes for making and using the aforementioned compositions and textiles treated with such compositions are disclosed.Type: GrantFiled: November 20, 2007Date of Patent: August 16, 2011Assignee: The Procter & Gamble CompanyInventors: Jiping Wang, Jinlian Hu
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Publication number: 20110041471Abstract: Electret webs are presented which include a blend of a thermoplastic resin and a charge additive. The charge additives include ester-substituted and amide-substituted trianilino triazine materials. The webs prepared from the blends may be in the form of films or non-woven fibrous webs. Non-woven microfiber webs are useful as filtration media.Type: ApplicationFiled: November 25, 2008Publication date: February 24, 2011Inventors: John M. Sebastian, Fuming B. Li, Marvin E. Jones, Luke T. Dressel, Daniel A. Japuntich
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Publication number: 20100279086Abstract: A conductive fabric is provided. The conductive fabric comprises a base layer composed of a synthetic, regenerated or natural fiber, a conductive layer formed on the base layer to be capable of being freely formed by a pre-designed electric pattern, and an insulating layer formed on the conductive layer to protect the conductive layer from damage.Type: ApplicationFiled: November 14, 2007Publication date: November 4, 2010Applicant: KOLON GLOTECH, INC.Inventors: Sung Mee Park, Kwang Su Cho, Kyung Hee Chung
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Publication number: 20090323300Abstract: The invention provides an adhesive layer-attached conductive foil and a conductor-clad laminated sheet which allow transmission loss to be satisfactorily reduced especially in the high-frequency band, which exhibit excellent heat resistance, and which allow production of printed circuit boards that are adequately resistant to interlayer peeling. The adhesive layer-attached conductive foil of the invention is provided with a conductive foil and an adhesive layer formed on the conductive foil, wherein the adhesive layer is composed of a curable resin composition containing component (A): a polyfunctional epoxy resin, component (B): a polyfunctional phenol resin and component (C): a polyamideimide.Type: ApplicationFiled: April 24, 2007Publication date: December 31, 2009Inventors: Daisuke Fujimoto, Yasuyuki Mizuno, Kazutoshi Danjobara, Katsuyuki Masuda, Hikari Murai
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Publication number: 20080064279Abstract: Disclosed are electromagnetically conductive articles comprising a densified core material and at least one electromagnetically conductive material. Also disclosed are electromagnetically conductive articles comprising at least one layer of a densified fabric material at least a portion of at least one surface of which is plated with one or more electromagnetically conductive particulate materials. Methods of making and using such electromagnetically conductive articles are also provided.Type: ApplicationFiled: June 19, 2007Publication date: March 13, 2008Inventors: Rhesa M. Browning, Jeffrey A. Lim, Charles Mitchell, Sywong Ngin
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Patent number: 7240371Abstract: Novel aqueous polyurethane dispersions and adhesive films formed therefrom are provided. The aqueous polyurethane dispersions are provided in solvent-free systems of a prepolymer comprising at least one polyether or polyester polyol, a mixture of MDI isomers, and a diol. The adhesive films from such dispersions can be heat-activated for bonding, lamination, and adhesion of textile fabrics, including stretch fabrics.Type: GrantFiled: February 11, 2005Date of Patent: July 10, 2007Assignee: Invista North America S.A.R.L.Inventors: Hong Liu, Carmen A. Covelli, Douglas K. Farmer
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Patent number: 6790562Abstract: In an alkaline secondary battery provided with a positive electrode, a negative electrode, a separator to be interposed between the positive electrode and the negative electrode, and an alkaline electrolyte solution, the above-mentioned separator has carbon-carbon double bonds. Further, an average amount of carbon-carbon double bonds in the separator is in the range of 10 &mgr;mol/g to 200 &mgr;mol/g, and an average amount of increased nitrogen in the separator after the separator is immersed in an alkaline aqueous solution having ammonium salt dissolved therein is not less than 140 &mgr;g/g.Type: GrantFiled: March 15, 2002Date of Patent: September 14, 2004Assignee: Sanyo Electric Co., Ltd.Inventors: Yasuyuki Harada, Tadayoshi Tanaka, Katsuhiko Shinyama, Toshiyuki Nohma, Ikuo Yonezu
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Publication number: 20040121678Abstract: The present invention provides a liquid impervious and pathogen impervious laminate comprising a breathable layer comprising an antistatic agent and a fibrous layer on the breathable layer. Preferably, the fibrous layer includes a thermally activated adhesive material that is used to bond the fibrous layer and the breathable layer together.Type: ApplicationFiled: December 19, 2002Publication date: June 24, 2004Inventors: A. Frank Baldwin, Jessica Z. Brown
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Patent number: 6406768Abstract: A semiconducting floor covering which consists of a layer (2) of conductive material parallel to the surface of the covering and at least one layer (1, 3) of polyvinyl chloride based material adhered to the layer of conductive material. As plasticizer for the polyvinyl chloride in the floor covering, 2-ethyl hexyl diphenyl phosphate and aliphatic ester compound has been used or these two combined so that per 100 parts of polyvinyl chloride it contains 39-80 parts of plasticizer. It further contains 1-250 parts of talc and/or ATH as filler.Type: GrantFiled: May 13, 1999Date of Patent: June 18, 2002Assignee: Upofloor OyInventors: Pertti Soininen, Petri Peltonen, Jarmo Mäkinen
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Patent number: 6235660Abstract: Anti-static cleanroom products having a coating of conductive polymeric particulates which decreases the surface resistivity of the products. Preferably, the particulates are pyrrole polymers. The anti-static properties are achieved by depositing conductive polymer particles onto the non-conductive substrate surface. The anti-static products include cleanroom wipers, stationery products (notebooks and writing instruments), garments and swabs (polyurethane foam tipped). The cleanroom stationery products include notebooks comprising polyethylene impregnated with silica. The invention also includes anti-static plastic gloves.Type: GrantFiled: November 13, 1997Date of Patent: May 22, 2001Assignee: The Texwipe Company LLCInventors: Himansu R. Bhattacharjee, Edward Paley
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Patent number: 6001749Abstract: A patterned conductive textile is provided by applying a finish to selected parts of a fabric which inhibits the formation of a conductive polymer coating on those areas. A conductive polymer is then oxidatively synthesized onto the remaining areas from an aqueous solution comprising the starting monomer, an oxidizing agent, and, optionally, a doping agent or counterion. The areas with the inhibitor finish remain substantially free of conductive polymer and a pattern of conductive and nonconductive areas is thus produced.Type: GrantFiled: July 30, 1997Date of Patent: December 14, 1999Assignee: Milliken & CompanyInventors: Andrew D. Child, Alfred R. DeAngelis
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Patent number: 5968204Abstract: Sheets capable of developing a positive electostatic charge are used for a variety of surface cleaning operations. Polyester fabric, non-woven and chemically bonded with an acrylic latex is used to dust surfaces, to clean clothes, furniture and carpets. A light solvent such as isopropanol can be used with the sheets to loosen gummy soils. In one mode, the sheets are used in a hot air clothes dryer to remove soils and detritus from garments. Processes for cleaning a variety of fabric and hard surfaces are conducted using the sheets.Type: GrantFiled: August 7, 1998Date of Patent: October 19, 1999Assignee: The Procter & Gamble CompanyInventor: Rodney Mahlon Wise
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Patent number: 5736469Abstract: Anti-static cleanroom products having a coating of conductive polymeric particulates which decreases the surface resistivity of the products. Preferably, the particulates are pyrrole polymers. The anti-static properties are achieved by depositing conductive polymer particles onto the non-conductive substrate surface. The anti-static products include cleanroom wipers, stationery products (notebooks and writing instruments), garments and swabs (polyurethane foam tipped). The cleanroom stationery products include notebooks comprising polyethylene impregnated with silica. The invention also includes anti-static plastic gloves.Type: GrantFiled: March 15, 1996Date of Patent: April 7, 1998Assignee: The Texwipe Company LLCInventors: Himansu R. Bhattacharjee, Edward Paley
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Patent number: 5726143Abstract: The present invention relates to an article for improving anti-static protection of clothing dried in a clothes dryer. The article includes a substrate, a layer comprising a first quaternary ammonium anti-static agent that has a first melting point. The layer comprising the first quaternary ammonium anti-static agent is adhered to the substrate. The article also includes a layer comprising a second quaternary ammonium anti-static agent that is adhered to the first quaternary ammonium anti-static agent. The layer comprising the second quaternary ammonium anti-static agent has a melting point lower than the first melting point. The present invention also includes a method for making the article.Type: GrantFiled: November 1, 1996Date of Patent: March 10, 1998Inventors: Teresa M. Petraia, Paul R. Purvis, William T. Ahlborn
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Patent number: 5716893Abstract: A method of depositing a conductive polymer film on a textile fabric substrate is provided by the oxidative polymerization of a pyrrole compound in the presence of a dopant anion and a stabilizing agent having the formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are independently selected from H, OH, and OR, and R is C.sub.1 -C.sub.8 alkyl; and R.sub.5 and R.sub.6 are independently selected from H, COOH and SO.sub.3 H.Type: GrantFiled: December 15, 1995Date of Patent: February 10, 1998Assignee: Milliken Research CorporationInventor: Andrew David Child