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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US40031952 Feb 197618 Ene 1977E. I. Du Pont de Nemours and CompanyFilamentary tow packaging method
US40055663 Mar 19691 Feb 1977E. I. Du Pont de Nemours and CompanyProcess and apparatus for imparting coherence to tow
US402400112 Sep 197517 May 1977American Filtrona CorporationSmoke filter process and apparatus
US414955029 Jul 197717 Abr 1979Wiggins Teape LimitedMoulded fibrous material
US42709626 Nov 19792 Jun 1981Chisso CorporationProcess and apparatus for the preparation of bar form fibrous molding
US42860055 Mar 197925 Ago 1981American Filtrona CorporationInk reservoir element for use in a marking instrument, and method and apparatus for producing same
US435488911 Feb 198119 Oct 1982American Filtrona CorporationInk reservoir element for use in a marking instrument, and method and apparatus for producing same
US452261610 Mar 198211 Jun 1985Celanese CorporationMethod and apparatus for forming cigarette filter rods
US45498752 Jun 198329 Oct 1985R. J. Reynolds Tobacco Co.Manufacture of tobacco smoke filters
US47268623 Abr 198723 Feb 1988Chisso CorporationProcess for producing tubular shaped fibrous articles
US472980815 Abr 19868 Mar 1988American Filtrona CorporationInk reservoir having continuous random sliver with stretch yarn
US474781423 Jul 198631 May 1988American Filtrona CorporationFiber separator
US476852629 Jul 19856 Sep 1988R. J. Reynolds Tobacco CompanyTobacco smoke filters
US48221933 Nov 198718 Abr 1989American Filtrona CorporationInk reservoir having continuous random sliver with stretch yarn
US486927423 Jul 198626 Sep 1989Cooling apparatus for use in the manufacture of tobacco filters
US538215322 Ago 199117 Ene 1995Hoechst AktiengesellschaftApparatus for producing filling material for three-dimensionally shaped textile structures
US551024321 Jun 199423 Abr 1996Gelman Sciences, Inc.Multiple chromogen enzyme targeting (MCET) for use in bacterial contamination monitoring
US56077666 Jun 19954 Mar 1997American Filtrona CorporationPolyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom
US562064129 Jul 199615 Abr 1997American Filtrona CorporationPolyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom
US563308229 Jul 199627 May 1997American Filtrona CorporationPolyethylene terephthalate sheath/thermoplastic polymer core bicomponent fibers, method of making same and products formed therefrom
US564827125 Jul 199415 Jul 1997Barrskogen, Inc.Method for evaporating solvent using filter
US56925267 Jun 19952 Dic 1997Philip Morris IncorporatedCigarette for electrical smoking system
US587691829 Ago 19952 Mar 1999Hydros, Inc.Aligned fiber diagnostic chromatography with positive and negative controls
US59112241 May 199715 Jun 1999Filtrona International LimitedBiodegradable polyvinyl alcohol tobacco smoke filters, tobacco smoke products incorporating such filters, and methods and apparatus for making same
US625343125 Oct 19993 Jul 2001Celanese Acetate LLCAir opening jet apparatus
US65431065 Oct 20008 Abr 2003Celanese Acetate, LLCApparatus, method and system for air opening of textile tow and opened textile tow web produced thereby
US698352026 Sep 200310 Ene 2006Celanese Acetate, LLCMethod and apparatus for making an absorbent composite
US705902726 Sep 200313 Jun 2006Celanese Acetate, LLCMethod and apparatus for making an absorbent composite
US707684826 Sep 200318 Jul 2006Celanese Acetate LLCMethod and apparatus for making an absorbent composite
US710394626 Sep 200312 Sep 2006Celanese Acetate LLCMethod and apparatus for making an absorbent composite
US710765926 Sep 200319 Sep 2006Celanese Acetate, LLCMethod and apparatus for making an absorbent composite
US712448312 May 200324 Oct 2006The Procter & Gamble CompanyProcess for producing stabilized tampons
US718181726 Sep 200327 Feb 2007Celanese Acetate LLCMethod and apparatus for making an absorbent composite
US74724631 Jun 20076 Ene 2009The Procter & Gamble CompanyProcess for producing a stabilized compressed tampon