Patents Assigned to Cyprus Amax Minerals Company
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Patent number: 7883673Abstract: Apparatus for producing nano-particles includes a furnace defining a vapor region therein. A precipitation conduit having an inlet end and an outlet end is positioned with respect to the furnace so that the inlet end is open to the vapor region. A quench fluid supply apparatus supplies quench fluid in a gas state and quench fluid in a liquid state. A quench fluid port positioned within the precipitation conduit is fluidically connected to the quench fluid supply apparatus so that an inlet to the quench fluid port receives quench fluid in the gas state and quench fluid in the liquid state. The quench fluid port provides a quench fluid stream to the precipitation conduit to precipitate nano-particles within the precipitation conduit. A product collection apparatus connected to the outlet end of the precipitation conduit collects nano-particles produced within the precipitation conduit.Type: GrantFiled: November 21, 2008Date of Patent: February 8, 2011Assignee: Cyprus Amax Minerals CompanyInventors: Joel A. Taube, Mohamed H. Khan, James A. Cole
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Patent number: 7829060Abstract: Nano-particle of MoO3. The nano-particle of the present invention has a surface area in the range of 33 to about 68 m2/g as determined by BET. The nano-particle may also have a rod-like non-hollow configuration.Type: GrantFiled: November 21, 2008Date of Patent: November 9, 2010Assignee: Cyprus Amax Minerals CompanyInventors: Joel A. Taube, Mohamed H. Khan, James A. Cole
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Patent number: 7749463Abstract: Apparatus for producing nano-particles comprises a furnace defining a vapor region therein. A precipitation conduit having an inlet end and an outlet end is positioned with respect to the furnace so that the inlet end is open to the vapor region. A quench fluid port positioned within the precipitation conduit provides a quench fluid stream to the precipitation conduit to precipitate nano-particles within the precipitation conduit. A product collection apparatus connected to the outlet end of the precipitation conduit collects the nano-particles produced within the precipitation conduit.Type: GrantFiled: August 16, 2002Date of Patent: July 6, 2010Assignee: Cyprus Amax Minerals CompanyInventors: Mohamed H. Khan, James A. Cole, Joel A. Taube
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Patent number: 7625421Abstract: Novel forms of molybdenum metal. Novel forms of molybdenum metal are characterized by a surface area of substantially about 2.1 m2/g to substantially about 4.1 m2/g. Novel forms of molybdenum metal are also characterized by a relatively uniform size.Type: GrantFiled: November 8, 2006Date of Patent: December 1, 2009Assignee: Cyprus Amax Mineral CompanyInventors: Mohamed H. Kahn, Joel Taube, Loyal M. Johnson, Jr.
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Patent number: 7622098Abstract: Method for producing nano-particles includes vaporizing a precursor material to produce a vapor, directing the vapor into an isolation chamber, combining a quench fluid in a gaseous state with a quench fluid in a liquid state to form a quench fluid stream, contacting the vapor contained in the isolation chamber with the quench fluid stream thereby cooling the vapor to produce the nano-particles in a carrier stream, and removing the nano-particles from the isolation chamber.Type: GrantFiled: November 21, 2008Date of Patent: November 24, 2009Assignee: Cyprus Amax Minerals CompanyInventors: Joel A. Taube, Mohamed H. Khan, James A. Cole
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Patent number: 7572430Abstract: Apparatus for producing nano-particles according to the present invention may comprise a furnace defining a vapor region therein. A precipitation conduit having an inlet end and an outlet end is positioned with respect to the furnace so that the inlet end is open to the vapor region. A quench fluid supply apparatus supplies quench fluid in a gas state and quench fluid in a liquid state. A quench fluid port positioned within the precipitation conduit is fluidically connected to the quench fluid supply apparatus so that an inlet to the quench fluid port receives quench fluid in the gas state and quench fluid in the liquid state. The quench fluid port provides a quench fluid stream to the precipitation conduit to precipitate nano-particles within the precipitation conduit. A product collection apparatus connected to the outlet end of the precipitation conduit collects the nano-particles produced within the precipitation conduit.Type: GrantFiled: May 15, 2003Date of Patent: August 11, 2009Assignee: Cyprus Amax Minerals CompanyInventors: Joel A. Taube, Mohamed H. Khan, James A. Cole
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Publication number: 20090169437Abstract: Apparatus for producing nano-particles includes a furnace defining a vapor region therein. A precipitation conduit having an inlet end and an outlet end is positioned with respect to the furnace so that the inlet end is open to the vapor region. A quench fluid supply apparatus supplies quench fluid in a gas state and quench fluid in a liquid state. A quench fluid port positioned within the precipitation conduit is fluidically connected to the quench fluid supply apparatus so that an inlet to the quench fluid port receives quench fluid in the gas state and quench fluid in the liquid state. The quench fluid port provides a quench fluid stream to the precipitation conduit to precipitate nano-particles within the precipitation conduit. A product collection apparatus connected to the outlet end of the precipitation conduit collects nano-particles produced within the precipitation conduit.Type: ApplicationFiled: November 21, 2008Publication date: July 2, 2009Applicant: CYPRUS AMAX MINERALS COMPANYInventors: Joel A. Taube, Mohamed H. Khan, James A. Cole
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Publication number: 20090142597Abstract: Nano-particle of MoO3. The nano-particle of the present invention has a surface area in the range of 33 to about 68 m2/g as determined by BET. The nano-particle may also have a rod-like non-hollow configuration.Type: ApplicationFiled: November 21, 2008Publication date: June 4, 2009Applicant: Cyprus Amax Minerals CompanyInventors: Joel A. Taube, Mohamed H. Khan, James A. Cole
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Publication number: 20090136416Abstract: Method for producing nano-particles includes vaporizing a precursor material to produce a vapor, directing the vapor into an isolation chamber, combining a quench fluid in a gaseous state with a quench fluid in a liquid state to form a quench fluid stream, contacting the vapor contained in the isolation chamber with the quench fluid stream thereby cooling the vapor to produce the nano-particles in a carrier stream, and removing the nano-particles from the isolation chamber.Type: ApplicationFiled: November 21, 2008Publication date: May 28, 2009Applicant: Cyprus Amax Minerals CompanyInventors: Joel A. Taube, Mohamed H. Khan, James A. Cole
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Patent number: 7438888Abstract: Molybdenum oxide nano-particles. The nano-particles may be made by vaporizing the precursor material to produce a vapor; directing the vapor into an isolation chamber; contacting the vapor contained in the isolation chamber with a quench fluid stream to precipitate nano-particles; and removing the nano-particles from the isolation chamber.Type: GrantFiled: January 11, 2006Date of Patent: October 21, 2008Assignee: Cyprus Amax Minerals CompanyInventors: Mohamed H. Khan, James A. Cole, Joel A. Taube
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Patent number: 7413724Abstract: Method for producing nano-particles from a precursor material. One embodiment of the method comprises vaporizing the precursor material to produce a vapor, directing the vapor into an isolation chamber, contacting the vapor contained in the isolation chamber with a quench fluid stream, the quench fluid stream cooling the vapor to produce the nano-particles, and removing the nano-particles from the isolation chamber.Type: GrantFiled: August 20, 2002Date of Patent: August 19, 2008Assignee: Cyprus Amax Minerals CompanyInventors: Mohamed H. Khan, James A. Cole, Joel A. Taube
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Publication number: 20080190243Abstract: Novel forms of molybdenum metal. Novel forms of molybdenum metal are characterized by a surface area of substantially about 2.1 m2/g to substantially about 4.1 m2/g. Novel forms of molybdenum metal are also characterized by a relatively uniform size.Type: ApplicationFiled: November 8, 2006Publication date: August 14, 2008Applicant: Cyprus Amax Minerals CompanyInventors: Mohamed H. Khan, Joel Taube, Loyal M. Johnson
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Publication number: 20070108672Abstract: Apparatus for producing molybdenum metal Apparatus includes a furnace that defines at least two heating zones of substantially equal length, the furnace maintaining each of the two heating zones at temperatures not greater than about 1200° C.; a supply of precursor material; a process tube extending through each of the two heating zones of the furnace, wherein the precursor material is introduced into the process tube and moved through the two heating zones of the furnace; a pressure regulator operatively associated with the process tube to maintain an interior region of the process tube at a substantially constant pressure greater than an ambient pressure; and a supply of process gas operatively associated with the process tube, whereby the process gas is introduced into the process tube such that the process gas reacts with the precursor material within the furnace to form the molybdenum metal.Type: ApplicationFiled: November 8, 2006Publication date: May 17, 2007Applicant: Cyprus Amax Minerals CompanyInventors: Mohamed KAHN, Joel Taube, Loyal Johnson
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Patent number: 7132005Abstract: Novel forms of molybdenum metal, and apparatus and methods for production thereof. Novel forms of molybdenum metal are preferably characterized by a surface area of substantially 2.5 m2/g. Novel forms of molybdenum metal are also preferably characterized by a relatively uniform size.Type: GrantFiled: June 18, 2003Date of Patent: November 7, 2006Assignee: Cyprus Amax Minerals CompanyInventors: Mohamed H. Khan, Joel A. Taube
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Patent number: 7097691Abstract: Method for producing pigment nano-particles may include vaporizing a pigment precursor material; drawing the vaporized pigment precursor material into a precipitation conduit; contacting the vapor in the precipitation conduit with a collection fluid at a first location within the precipitation conduit, the contacting cooling the vapor and precipitating pigment nano-particles, the contacting occurring in the absence of a temperature change in the vapor at locations within the precipitation conduit that are upstream of the first location; and collecting the pigment nano-particles in a collection fluid.Type: GrantFiled: November 5, 2002Date of Patent: August 29, 2006Assignee: Cyprus Amax Minerals CompanyInventors: Joel A. Taube, Larry G. Putman, Loyal M. Johnson, Jr.
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Patent number: 7063821Abstract: Apparatus for producing molybdenum carbide from a precursor material includes a supply of process gas and a furnace defining at least a first heating zone and a second heating zone. The furnace heats the first heating zone to a first temperature and the second heating zone to a second temperature. The second temperature is at least about 100° C. hotter than the first temperature. A transfer system operatively associated with the furnace and the supply of process gas moves the precursor material through the first and second heating zones and in the presence of the process gas to form molybdenum carbide (MoC and Mo2C).Type: GrantFiled: September 3, 2003Date of Patent: June 20, 2006Assignee: Cyprus Amax Minerals CompanyInventors: Mohamed H. Khan, Joel A. Taube
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Patent number: 6746656Abstract: Methods for producing molybdenum carbide. An embodiment of the method may comprise heating a precursor material in a first heating zone in the presence of a reducing gas and a carbonizing gas, the first heating zone having a first temperature. Moving the precursor material into a second heating zone to form the molybdenum carbide from the precursor material, the second heating zone having a second temperature, the second temperature being at least 100° C. hotter than the first temperature.Type: GrantFiled: November 7, 2001Date of Patent: June 8, 2004Assignee: Cyprus Amax Minerals CompanyInventors: Mohamed H. Khan, Joel A. Taube
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Patent number: 6740453Abstract: A rechargeable lithium ion electrochemical cell and/or battery configured to provide improved reversible energy storage capacity is disclosed. The electrochemical cell and/or battery comprising a body of aprotic, non-aqueous electrolyte, first and second electrodes in effective electrochemical contact with the electrolyte, the first electrode comprising a cathode formed by active materials such as a lithiated intercalation compound and the second electrode comprising an anode formed by a carbonaceous material combined with molybdenum carbide. An electrochemical lithium ion cell and/or battery according to the invention is designed to provide improved reversible energy storage capacity characteristics as compared with similar lithium-ion cells having carbon anodes that are not combined with molybdenum carbide.Type: GrantFiled: February 27, 2002Date of Patent: May 25, 2004Assignee: Cyprus Amax Minerals CompanyInventors: Sohrab Hossain, Mohamed H. Khan
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Patent number: 6626976Abstract: Novel forms of molybdenum metal, and apparatus and methods for production thereof. Novel forms of molybdenum metal are preferably characterized by a surface area of substantially 2.5 m2/g. Novel forms of molybdenum metal are also preferably characterized by a relatively uniform size. Preferred embodiments of the invention may comprise heating a precursor material to a first temperature in the presence of a reducing gas, and increasing the first temperature at least once to reduce the precursor material and form the molybdenum metal product.Type: GrantFiled: November 6, 2001Date of Patent: September 30, 2003Assignee: Cyprus Amax Minerals CompanyInventors: Mohamed H. Khan, Joel A. Taube
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Patent number: 6468497Abstract: Apparatus for producing nano-particles comprises a furnace defining a vapor region therein. A precipitation conduit having an inlet end and an outlet end is positioned with respect to the furnace so that the inlet end is open to the vapor region. A quench fluid port positioned within the precipitation conduit provides a quench fluid stream to the precipitation conduit to precipitate nano-particles within the precipitation conduit. A product collection apparatus connected to the outlet end of the precipitation conduit collects the nano-particles produced within the precipitation conduit.Type: GrantFiled: November 9, 2000Date of Patent: October 22, 2002Assignee: Cyprus Amax Minerals CompanyInventors: Mohamed H. Khan, James A. Cole, Joel A. Taube