Patents by Inventor Roger Dirstine

Roger Dirstine has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 6786950
    Abstract: Methods of producing metal and alloy fine powders having purity in excess of 99.9%, preferably 99.999%, more preferably 99.99999% are discussed. Fine submicron and nanoscale powders discussed include various shapes and forms including spheres, rods, whiskers, platelets and fibers. The use of surfactant, emulsifying agents and capping dispersants in powder synthesis are presented. Compositions taught include nickel, copper, iron, cobalt, silver, gold, platinum, palladium, tin, zirconium, aluminum, silicon, antimony, indium, titanium, tantalum, niobium, zinc and others from the periodic table. The fine powders are useful in various applications such as biomedical, sensor, electronic, electrical, photonic, thermal, piezo, magnetic, catalytic and electrochemical products.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: September 7, 2004
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Roger Dirstine, Karl Pfaffenbach
  • Patent number: 6713176
    Abstract: Nanostructured non-stoichiometric materials and methods of reducing manufacturing and raw material costs through the use of nanostructured materials are provided. Specifically, use of non-stoichiometric materials of oxide, nitride, carbide, chalcogenides, borides, alloys and other compositions are taught.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: March 30, 2004
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Patent number: 6607821
    Abstract: Nanostructured non-equilibrium, non-stoichiometric materials and device made using the nanonostructured non-equilibrium non-stoichiometric materials are provided. Applications and methods of implementing such devices and applications are also provided. More specifically, the specifications teach the use of nanostructured non-equilibrium, non-stoichiometric materials in polymer and plastic filler applications, electrical devices, magnetic products, fuels, biomedical applications, markers, drug delivery, optical components, thermal devices, catalysts, combinatorial discovery of materials, and various manufacturing processes.
    Type: Grant
    Filed: November 27, 2001
    Date of Patent: August 19, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Patent number: 6602543
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel magnetic materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel magnetic devices and products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: August 5, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Patent number: 6602595
    Abstract: Novel inks and dopant materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel ink and dopant-based products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: August 5, 2003
    Assignee: NanoProducts Corp.
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20030126948
    Abstract: A method of producing metal and alloy fine powders having purity in excess of 99.9%, preferably 99.999%, more preferably 99.99999%. Fine powders produced are of size preferably less than 10 micron, more preferably less than 1 micron, and most preferably less than 100 nanometers. Methods for producing such powders in high volume, low-cost, and reproducible quality are also outlined. The fine powders are useful in various applications such as biomedical, sensor, electronic, electrical, photonic, thermal, piezo, magnetic, catalytic and electrochemical products.
    Type: Application
    Filed: December 10, 2002
    Publication date: July 10, 2003
    Inventors: Tapesh Yadav, Roger Dirstine, Karl Pfaffenbach
  • Publication number: 20030102099
    Abstract: Dispersed powders are disclosed that comprise fine nanoscale powders dispersed on coarser carrier powders. The composition of the dispersed fine powders may be oxides, carbides, nitrides, borides, chalcogenides, metals, and alloys. Fine powders discussed are of sizes less than 100 microns, preferably less than 10 micron, more preferably less than 1 micron, and most preferably less than 100 nanometers. Methods for producing such powders in high volume, low-cost, and reproducible quality are also outlined. Such powders are useful in various applications such as catalysts, sensor, electronic, electrical, photonic, thermal, biomedical, piezo, magnetic, catalytic and electrochemical products.
    Type: Application
    Filed: December 4, 2001
    Publication date: June 5, 2003
    Inventors: Tapesh Yadav, Karl Pfaffenbach, Roger Dirstine
  • Patent number: 6572672
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel biomedical materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel biomedical products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: June 3, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Patent number: 6554609
    Abstract: Nanostructured non-stoichiometric non-equilibrium materials are disclosed. Novel electromagnetic materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel electrical devices and products.
    Type: Grant
    Filed: May 17, 2002
    Date of Patent: April 29, 2003
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Roger Dirstine, John Alexander
  • Publication number: 20030012953
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel sensing materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel sensing devices and products.
    Type: Application
    Filed: May 17, 2002
    Publication date: January 16, 2003
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20030012952
    Abstract: Novel non-ionics and energy device materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel energy related products.
    Type: Application
    Filed: May 17, 2002
    Publication date: January 16, 2003
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20020176987
    Abstract: Novel inks and dopant materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel ink and dopant-based products.
    Type: Application
    Filed: May 17, 2002
    Publication date: November 28, 2002
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20020170593
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel photonic materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel photonic and optical applications.
    Type: Application
    Filed: May 17, 2002
    Publication date: November 21, 2002
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20020172826
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel catalysts and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel catalysts for petrochemical, polymers, plastics, specialty chemicals, environmental and pharmaceutical applications.
    Type: Application
    Filed: May 17, 2002
    Publication date: November 21, 2002
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20020168522
    Abstract: Nanostructured non-stoichiometric materials are provided and electronic materials and their applications are discussed. More specifically, the uses of nanotechnology and nanostructured materials for electronic products.
    Type: Application
    Filed: May 17, 2002
    Publication date: November 14, 2002
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20020164482
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel biomedical materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel biomedical products.
    Type: Application
    Filed: May 17, 2002
    Publication date: November 7, 2002
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20020160191
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel electromagnetic materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel electrical devices and products.
    Type: Application
    Filed: May 17, 2002
    Publication date: October 31, 2002
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20020160190
    Abstract: Nanostructured non-stoichiometric materials are disclosed. Novel magnetic materials and their applications are discussed. More specifically, the specifications teach the use of nanotechnology and nanostructured materials for developing novel magnetic devices and products.
    Type: Application
    Filed: May 17, 2002
    Publication date: October 31, 2002
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20020079476
    Abstract: Nanostructured non-equilibrium, non-stoichiometric materials and device made using the nanonostructured non-equilibrium non-stoichiometric materials are provided. Applications and methods of implementing such devices and applications are also provided. More specifically, the specifications teach the use of nanostructured non-equilibrium, non-stoichiometric materials in polymer and plastic filler applications, electrical devices, magnetic products, fuels, biomedical applications, markers, drug delivery, optical components, thermal devices, catalysts, combinatorial discovery of materials, and various manufacturing processes.
    Type: Application
    Filed: November 27, 2001
    Publication date: June 27, 2002
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke
  • Publication number: 20020051883
    Abstract: Nanostructured non-stoichiometric materials and methods of reducing manufacturing and raw material costs through the use of nanostructured materials are provided. Specifically, use of non-stoichiometric materials of oxide, nitride, carbide, chalcogenides, borides, alloys and other compositions are taught.
    Type: Application
    Filed: November 27, 2001
    Publication date: May 2, 2002
    Inventors: Tapesh Yadav, Ming Au, Bijan Miremadi, John Freim, Yuval Avniel, Roger Dirstine, John Alexander, Evan Franke