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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US42698895 Abr 197826 May 1981Polyurethane cushion material and preparing the same
US475533614 May 19865 Jul 1988Hoechst Celanese CorporationProcess for making polyester blend fiber
US564578230 Jun 19958 Jul 1997E. I. Du Pont de Nemours and CompanyProcess for making poly(trimethylene terephthalate) bulked continuous filaments
US566298012 Dic 19962 Sep 1997E.I. Du Pont de Nemours and CompanyCarpets made from poly(trimethylene terephthalate) bulked continuous filaments
US572315920 Mar 19963 Mar 1998Eastman Chemical CompanySpinnerets for making fibers capable of spontaneously transporting fluids
US573349020 Mar 199631 Mar 1998Eastman Chemical CompanyProcess for helically crimping a fiber
US585579820 Mar 19965 Ene 1999Eastman Chemical CompanyProcess for spontaneouly transporting a fluid
US597250523 Jul 199126 Oct 1999Eastman Chemical CompanyFibers capable of spontaneously transporting fluids
US61090157 Jul 199829 Ago 2000Prisma Fibers, Inc.Process for making poly(trimethylene terephthalate) yarn
US624209110 Abr 19965 Jun 2001E. I. du Pont de Nemours and CompanyYarns comprised of bulked continuous filaments of poly(trimethylene terephthalate)
US628437025 May 20004 Sep 2001Asahi Kasei Kabushiki KaishaPolyester fiber with excellent processability and process for producing the same
US62876883 Mar 200011 Sep 2001E. I. du Pont de Nemours and CompanyPartially oriented poly(trimethylene terephthalate) yarn
US633310613 Mar 200125 Dic 2001E. I. Du Pont De Nemours and CompanyDraw textured poly(trimethylene terephthalate) yarn
US638363228 Feb 20017 May 2002E. I. du Pont de Nemours and CompanyFine denier yarn from poly (trimethylene terephthalate)
US645845522 Ago 20011 Oct 2002E. I. du Pont de Nemours and CompanyPoly(trimethylene terephthalate) tetrachannel cross-section staple fiber
US662050525 Feb 200216 Sep 2003Asahi Kasei Kabushiki KaishaPoly(trimethylene terephthalate) modified cross-section yarn
US666380628 Feb 200116 Dic 2003E. I. du Pont de Nemours and CompanyProcesses for making poly (trimethylene terephthalate) yarns
US667204728 Feb 20016 Ene 2004E. I. du Pont de Nemours and CompanyProcesses of preparing partially oriented and draw textured poly(trimethylene terephthalate) yarns
US668035325 Abr 200120 Ene 2004Asahi Kasei Kabushiki KaishaPolyester resin composition and fiber
US668461814 Mar 20013 Feb 2004E. I. Du Pont de Nemours and CompanyYarns comprised of bulked continuous filaments of poly (trimethylene terephthalate)
US66858591 Mar 20013 Feb 2004E. I. du Pont de Nemours and CompanyProcesses for making poly(trimethylene terephthalate) yarn
US66926716 Jul 200117 Feb 2004Asahi Kasei Kabushiki KaishaProcess for producing a polyester fiber
US67402703 Oct 200125 May 2004Shell Oil CompanySpin draw process of making partially oriented yarns from polytrimethylene terephthalate
US675294522 Ago 200122 Jun 2004E. I. du Pont de Nemours and CompanyProcess for making poly(trimethylene terephthalate) staple fibers
US68150604 Abr 20039 Nov 2004Asahi Kasei Kabushiki KaishaSpun yarn
US683533924 Jun 200228 Dic 2004E. I. Du Pont de Nemours and CompanyProcess for preparing poly(trimethylene terephthalate) tetrachannel cross-section staple fiber
US687235222 Ago 200129 Mar 2005E. I. du Pont de Nemours and CompanyProcess of making web or fiberfill from polytrimethylene terephthalate staple fibers
US699807912 Dic 200314 Feb 2006E. I. du Pont de Nemours and CompanyProcess of making partially oriented poly(trimethylene terephthalate) yarn
US701362816 Dic 200321 Mar 2006E. I. du Pont de Nemours and CompanyProcess for making poly(trimethyleneterephthalate) bulked continuous filaments, the filaments thereof and carpets made therefrom
US757895710 Dic 200325 Ago 2009E. I. du Pont de Nemours and CompanyProcess of making staple fibers