Assignee: Hyperion Catalysis International, Inc.

Location: Cambridge, MA
No. of patents: 90

Number	Title	Issue Date
8163831	Thermosets containing carbon nanotubes by extrusion Methods of preparing conductive thermoset precursors containing carbon nanotubes is provided. Also provided is a method of preparing conductive thermosets containing carbon nanotubes. The carbon nanotubes may in individual form or in the form of aggregates having a ...	04/24/2012
8083970	Electroconductive carbon fibril-based inks and coatings The present invention relates to electroconductive inks and methods of making and using the same. The electroconductive inks include carbon fibrils and a liquid vehicle. The electroconductive ink may further include a polymeric binder. The electroconductive filler u...	12/27/2011
7998386	Multilayered polymeric structure A multilayered polymeric structure having at least two polymeric layers is provided, each layer being a mixture of a polymeric composition with carbon fibrils. The multilayer polymeric structure may include an electrically conductive material between the first and s...	08/16/2011
7998369	Polyvinylidene fluoride composites and methods for preparing same An electrically conductive composite comprising a polyvinylidene fluoride polymer or copolymer and carbon nanotubes is provided. Preferably, carbon nanotubes may be present in the range of about 0.5-20% by weight of the composite. The composites are prepared ...	08/16/2011
7968489	Methods of preparing supported catalysts from metal loaded carbon nanotubes A new method for preparing a supported catalyst is herein provided. Carbon nanotubes are functionalized by contacting them with an oxidizing agent to form functionalized carbon nanotubes. A metal catalyst is then loaded or deposited onto the functionalized carbon na...	06/28/2011
7960904	Field emission devices using carbon nanotubes modified by energy, plasma, chemical or mechanical treatment The present invention relates to a field emission device comprising an anode and a cathode, wherein said cathode includes carbon nanotubes nanotubes which have been subjected to energy, plasma, chemical, or mechanical treatment. The present invention also relates to...	06/14/2011
7951351	Method for preparing uniform single walled carbon nanotubes Methods of preparing single walled carbon nanotubes from a metal catalyst having deposited thereon fullerenes are provided. Fullerenes are deposited onto a metal catalyst precursor or metal catalyst. In the presence of a carbon containing gas, the metal catalyst pre...	05/31/2011
7947247	Method for preparing single walled carbon nanotubes from a metal layer Methods of preparing single walled carbon nanotubes are provided. An arrangement comprising one or more layers of fullerene in contact with one side of a metal layer and a solid carbon source in contact with the other side of metal layer is prepared. The fullerene/m...	05/24/2011
7923403	Method for preparing catalysts supported on carbon nanotubes networks A new method for preparing a supported catalyst is herein provided. The supported catalyst comprises a carbon nanotube network structure containing metal catalysts. The metal catalyst may be loaded onto functionalized carbon nanotubes before forming the carbon nanot...	04/12/2011
7910650	Conductive thermosets by extrusion Methods of preparing conductive thermoset precursors containing carbon nanotubes is provided. Also provided is a method of preparing conductive thermosets containing carbon nanotubes. The carbon nanotubes may in individual form or in the form of aggregates having a ...	03/22/2011
7880376	Field emission devices made with laser and/or plasma treated carbon nanotube mats, films or inks Field emission devices comprising carbon nanotube mats which have been treated with laser or plasma are provided. Mats are formed from carbon nanotubes, also known as carbon fibrils, which are vermicular carbon deposits having diameters of less than about one micron...	02/01/2011
7862795	Method for preparing single walled carbon nanotubes Methods of preparing single walled carbon nanotubes are provided. Carbon containing gas is contacted with a supported metal catalyst under reaction conditions to yield at least 90% single walled carbon nanotubes and at least 1 gram single walled carbon nanotubes/gra...	01/04/2011
7854945	Functionalized nanotubes Graphitic nanotubes, which includes tubular fullerenes (commonly called “buckytubes”) and fibrils, which are functionalized by chemical substitution or by adsorption of functional moieties. More specifically the invention relates to graphitic nanotubes which are...	12/21/2010
7852613	Electroconductive carbon fibril-based inks and coatings The present invention relates to electroconductive inks and methods of making and using the same. The electroconductive inks include carbon fibrils and a liquid vehicle. The electroconductive ink may further include a polymeric binder. The electroconductive filler u...	12/14/2010
7585199	Field emission devices using ion bombarded carbon nanotubes The present invention relates to a field emission device comprising an anode and a cathode, wherein said cathode includes carbon nanotubes which have been treated with an ion beam. The ion beam may be any ions, including gallium, hydrogen, helium, argon, carbon, oxy...	09/08/2009
7578989	Method of using carbide and/or oxycarbide containing compositions Compositions including carbide-containing nanorods and/or oxycarbide-containing nanorods and/or carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including oxycarbide-containing nanorods and/or car...	08/25/2009
7576027	Methods of making carbide and oxycarbide containing catalysts Methods for forming compositions including carbide-containing nanorods and/or oxycarbide-containing nanorods and/or carbon nanotubes bearing carbides and oxycarbides. Rigid porous structures including oxycarbide-containing nanorods and/or carbide containing nanorods...	08/18/2009
7575733	Plasma-treated carbon fibrils and method of making same A method of treating carbon fibrils and carbon fibril structures such as assemblages, aggregates and hard porous structures with a plasma to effect an alteration of the surface or structure of the carbon fibril or fibrils. The method can be utilized to functionalize...	08/18/2009
7566749	Conductive thermosets by extrusion Methods of preparing conductive thermoset precursors containing carbon nanotubes is provided. Also provided is a method of preparing conductive thermosets containing carbon nanotubes. The carbon nanotubes may in individual form or in the form of aggregates having a ...	07/28/2009
7498013	Plasma-treated carbon fibrils and method of making same A method of treating carbon fibrils and carbon fibril structures such as assemblages, aggregates and hard porous structures with a plasma to effect an alteration of the surface or structure of the carbon fibril or fibrils. The method can be utilized to functionalize...	03/03/2009
7413723	Methods of oxidizing multiwalled carbon nanotubes Methods of oxidizing multiwalled carbon nanotubes are provided. The multiwalled carbon nanotubes are oxidized by contacting the carbon nanotubes with gas-phase oxidizing agents such as CO2, O2, steam, N2O, NO, NO2, O3...	08/19/2008
7410628	Surface treatment of carbon microfibers A method of oxidizing the surface of carbon microfibers that includes contacting the microfibers with an oxidizing agent that includes sulfuric acid and potassiaum chlorate under reaction conditions sufficient to oxidize the surface. The invention also features a me...	08/12/2008
7396798	Method for preparing catalyst supports and supported catalysts from single walled carbon nanotubes A new method for preparing a supported catalyst is herein provided. A carbon nanotube structure such as a rigid porous structure is formed from single walled carbon nanotubes. A metal catalyst is then loaded or deposited onto the carbon nanotube structure. The loade...	07/08/2008
7393514	Carbide nanofibrils and method of making same A plurality of carbide, such as silicon carbide, tungsten carbide, etc., nanofibrils predominantly having diameters substantially less than about 100 nm and a method for making such carbide nanofibrils. The method includes the steps of: heating a plurality of carbon...	07/01/2008
7393475	Polyvinylidene fluoride composites and methods for preparing same An electrically conductive composite comprising a polyvinylidene fluoride polymer or copolymer and carbon nanotubes is provided. Preferably, carbon nanotubes may be present in the range of about 0.5-20% by weight of the composite. The composites are prepared by diss...	07/01/2008
7341498	Method of irradiating field emission cathode having nanotubes Field emission devices comprising carbon nanotube mats which have been treated with laser or plasma are provided. Mats are formed from carbon nanotubes, also known as carbon fibrils, which are vermicular carbon deposits having diameters of less than about one micron...	03/11/2008
7230149	Method of using carbide and/or oxycarbide containing compositions Compositions including carbide-containing nanorods and/or oxycarbide-containing nanorods and/or carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including oxycarbide-containing nanorods and/or car...	06/12/2007
7198772	Methods and catalysts for the manufacture of carbon fibrils An improved catalyst for producing carbon fibrils is made by incorporating an effective yield-enhancing amount of a carboxylate into a fibril-forming catalyst. Alternatively, such a catalyst is made by coprecipitating a compound of a metal having fibril-forming cata...	04/03/2007
7169730	Modified carbide and oxycarbide containing catalysts and methods of making and using thereof Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including modified oxyca...	01/30/2007
7144564	Process for producing single wall nanotubes using unsupported metal catalysts and single wall nanotubes produced according to this method A process for producing hollow, single-walled carbon nanotubes by catalytic decomposition of one or more gaseous carbon compounds by first forming a gas phase mixture carbon feed stock gas comprising one or more gaseous carbon compounds, each having one to six carbo...	12/05/2006
7097821	Process for producing single wall nanotubes using unsupported metal catalysts and single wall nanotubes produced according to this method A process for producing hollow, single-walled carbon nanotubes by catalytic decomposition of one or more gaseous carbon compounds by first forming a gas phase mixture carbon feed stock gas comprising one or more gaseous carbon compounds, each having one to six carbo...	08/29/2006
7074379	Process for producing single wall nanotubes using unsupported metal catalysts and single wall nanotubes produced according to this method A process for producing hollow, single-walled carbon nanotubes by catalytic decomposition of one or more gaseous carbon compounds by first forming a gas phase mixture carbon feed stock gas comprising one or more gaseous carbon compounds, each having one to six carbo...	07/11/2006
7070753	Modification of nanotubes oxidation with peroxygen compounds A method of chemically modifying carbon nanotubes having a diameter less than one micron comprising: contacting the nanotubes with a peroxygen compound selected from the group consisting of organic peroxyacids, inorganic peroxoacids and organic hydroperoxides, or a ...	07/04/2006
7056452	Polyvinylidene fluoride composites and methods for preparing same An electrically conductive composite comprising a polyvinylidene fluoride polymer or copolymer and carbon nanotubes is provided. Preferably, carbon nanotubes may be present in the range of about 0.5–20% by weight of the composite. The composites are prepare...	06/06/2006
6960389	Rigid porous carbon structures, methods of making, methods of using and products containing same This invention relates to rigid porous carbon structures and to methods of making same. The rigid porous structures have a high surface area which are substantially free of micropores. Methods for improving the rigidity of the carbon structures include causing the n...	11/01/2005
6949159	Multilayered polymeric structure A multilayered polymeric structure having at least two polymeric layers is provided, each layer being a mixture of a polymeric composition with carbon fibrils. The multilayer polymeric structure may include an electrically conductive material between the first and s...	09/27/2005
6936565	Modified carbide and oxycarbide containing catalysts and methods of making and using thereof Compositions including modified carbide-containing nanorods and/or modified oxycarbide-containing nanorods and/or modified carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including modified oxyca...	08/30/2005
6911767	Field emission devices using ion bombarded carbon nanotubes The present invention relates to a field emission device comprising an anode and a cathode, wherein said cathode includes carbon nanotubes which have been treated with an ion beam. The ion beam may be any ions, including gallium, hydrogen, helium, argon, carbon, oxy...	06/28/2005
6872681	Modification of nanotubes oxidation with peroxygen compounds A method of chemically modifying carbon nanotubes having a diameter less than one micron comprising: contacting the nanotubes with a peroxygen compound selected from the group consisting of organic peroxyacids, inorganic peroxoacids and organic hydroperoxides, or a ...	03/29/2005
6841508	Carbide and oxycarbide based compositions, rigid porous structures including the same, methods of making and using the same Compositions including oxycarbide-based nanorods and/or carbide-based nanorods and/or carbon nanotubes bearing carbides and oxycarbides and methods of making the same are provided. Rigid porous structures including oxycarbide-based nanorods and/or carbide bas...	01/11/2005

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Assignee: Hyperion Catalysis International, Inc.