Patents by Inventor Michael A. Hiskey

Michael A. Hiskey 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).

  • Process for the preparation of an energetic nitrate ester
    Patent number: 8609880
    Abstract: A process for the preparation of an energetic nitrate ester compound and related intermediates is provided.
    Type: Grant
    Filed: September 4, 2012
    Date of Patent: December 17, 2013
    Inventors: David E. Chavez, Darren L. Naud, Michael A. Hiskey
  • Synthesis of an energetic nitrate ester
    Patent number: 8324421
    Abstract: Preparation of an energetic nitrate ester compound and related intermediates is provided.
    Type: Grant
    Filed: September 24, 2009
    Date of Patent: December 4, 2012
    Assignee: U.S. Department of Energy
    Inventors: David E. Chavez, Darren L. Naud, Michael A. Hiskey
  • SYNTHESIS OF AN ENERGETIC NITRATE ESTER
    Publication number: 20120108838
    Abstract: Preparation of an energetic nitrate ester compound and related intermediates is provided.
    Type: Application
    Filed: September 24, 2009
    Publication date: May 3, 2012
    Applicant: US Department of Energy
    Inventors: David E. Chavez, Darren L. Naud, Michael A. Hiskey
  • Primary explosives
    Patent number: 7875725
    Abstract: The present invention provides a compound of the formula (Cat)+z[M++(5-nitro-1H-tetrazolato-N2)?x(H2O)y] where x is 3 or 4, y is 2 or 3, x+y is 6, z is 1 or 2, and M++ is selected from the group consisting of iron, cobalt, nickel, copper, zinc, chromium, and manganese, and (Cat)+ is selected from the group consisting of ammonium, sodium, potassium, rubidium and cesium. A method of preparing the compound of that formula is also disclosed.
    Type: Grant
    Filed: February 26, 2009
    Date of Patent: January 25, 2011
    Assignee: Los Alamos National Security, LLC
    Inventors: Michael A. Hiskey, My Hang V. Huynh
  • PRIMARY EXPLOSIVES
    Publication number: 20100063295
    Abstract: The present invention provides a compound of the formula (Cat)+z[M++(5-nitro-1H-tetrazolato-N2)?x(H2O)y] where x is 3 or 4, y is 2 or 3, x+y is 6, z is 1 or 2, and M++ is selected from the group consisting of iron, cobalt, nickel, copper, zinc, chromium, and manganese, and (Cat)+ is selected from the group consisting of ammonium, sodium, potassium, rubidium and cesium. A method of preparing the compound of that formula is also disclosed.
    Type: Application
    Filed: February 26, 2009
    Publication date: March 11, 2010
    Inventors: Michael A. Hiskey, My Hang V. Huynh
  • Thermally stable compositions including 2,4,8,10-tetranitro-5H-pyrido[3?,2?:4,5][1,2,3]triazolo[1,2-a]benzotriazol-6-ium, inner salt
    Patent number: 7651577
    Abstract: An explosive formulation including 2,4,8,10-tetranitro-5H-pyrido[3?,2?:4,5][1,2,3]triazolo[1,2-a]benzotriazol-6-ium, inner salt and a high temperature binder is disclosed together with a process of preparing 2,4,8,10-tetranitro-5H-pyrido[3?,2?:4,5][1,2,3]triazolo[1,2-a]benzotriazol-6-ium, inner salt.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: January 26, 2010
    Assignee: Los Alamos National Security, LLC
    Inventors: Michael A. Hiskey, My Hang Huynh
  • Preparation of carbon nanoparticles and carbon nitride from high nitrogen compound
    Patent number: 7582273
    Abstract: The high-nitrogen compound 3,6-di(azido)-1,2,4,5-tetrazine (DiAT) was synthesized by a relatively simple method and used as a precursor for the preparation of carbon nanospheres and nanopolygons, and nitrogen-rich carbon nitrides.
    Type: Grant
    Filed: October 24, 2005
    Date of Patent: September 1, 2009
    Assignee: Los Almos National Security, LLC
    Inventors: My Hang V. Huynh, Michael A. Hiskey
  • PREPARATION OF CARBON NANOPARTICLES AND CARBON NITRIDE FROM HIGH NITROGEN COMPOUND
    Publication number: 20090202418
    Abstract: The high-nitrogen compound 3,6-di(azido)-1,2,4,5-tetrazine (DiAT) was synthesized by a relatively simple method and used as a precursor for the preparation of carbon nanospheres and nanopolygons, and nitrogen-rich carbon nitrides.
    Type: Application
    Filed: October 24, 2005
    Publication date: August 13, 2009
    Inventors: My Hang Huynh, Michael A. Hiskey
  • Primary explosives
    Patent number: 7498446
    Abstract: The present invention provides a compound of the formula (Cat)+z[M++(5-nitro-1H-tetrazolato-N2)?x(H2O)y] where x is 3 or 4, y is 2 or 3, x+y is 6, z is 1 or 2, and M++ is selected from the group consisting of iron, cobalt, nickel, copper, zinc, chromium, and manganese, and (Cat)+ is selected from the group consisting of ammonium, sodium, potassium, rubidium and cesium. A method of preparing the compound of that formula is also disclosed.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: March 3, 2009
    Assignee: Los Alamos National Security, LLC
    Inventors: Michael A. Hiskey, My Hang V. Huynh
  • Thermally stable compositions including 2,4,8,10-tetranitro-5H-pyrido[3',2':4,5][1,2,3]triazolo[1,2-a]benzotriazol-6-ium, inner salt
    Publication number: 20080185081
    Abstract: An explosive formulation including 2,4,8,10-tetranitro-5H-pyrido[3?,2?:4,5][1,2,3]triazolo[1,2-a]benzotriazol-6-ium, inner salt and a high temperature binder is disclosed together with a process of preparing 2,4,8,10-tetranitro-5H-pyrido[3?,2?:4,5][1,2,3]triazolo[1,2-a]benzotriazol-6-ium, inner salt.
    Type: Application
    Filed: July 18, 2007
    Publication date: August 7, 2008
    Inventors: Michael A. Hiskey, My Hang Huynh
  • Lead-free electric match compositions
    Publication number: 20080011398
    Abstract: An electric match including nanoscale particulates of an energetic material and a binder is provided. The energetic material can be a nanoscale thermite metal/metal oxide mixture, a nanoscale intermetallic material mixture, or a nanoscale fuel and oxidant mixture.
    Type: Application
    Filed: September 23, 2004
    Publication date: January 17, 2008
    Inventors: Darren Naud, Steven Son, Michael Hiskey, James Busse, Blaine Asay
  • Preparation of nanoporous metal foam from high nitrogen transition metal complexes
    Publication number: 20070142643
    Abstract: High surface area monolithic foams of essentially pure metal were prepared. Salts of the corresponding metal were prepared as loose powders, pressed into shapes, ignited under an inert atmosphere, and then heated under an atmosphere containing hydrogen to form nanostructured metal foam monoliths of essentially pure metal having a very high surface area.
    Type: Application
    Filed: November 27, 2006
    Publication date: June 21, 2007
    Inventors: My Huynh, Michael Hiskey, Darren Naud
  • Preparation of nanoporous metal foam from high nitrogen transition metal complexes
    Patent number: 7141675
    Abstract: Nanoporous metal foams are prepared by ignition of high nitrogen transition metal complexes. The ammonium salts of iron(III) tris[bi(tetrazolato)-amine], cobalt(III) tris(bi(tetrazolato)amine), and high nitrogen compounds of copper and silver were prepared as loose powders, pressed into pellets and wafers, and ignited under an inert atmosphere to form nanoporous metal foam monoliths having very high surface area and very low density.
    Type: Grant
    Filed: October 12, 2004
    Date of Patent: November 28, 2006
    Assignee: Los Alamos National Security, LLC
    Inventors: Bryce C. Tappan, My Hang V. Huynh, Michael A. Hiskey, Steven F. Son, David M. Oschwald, David E. Chavez, Darren L. Naud
  • Preparation of high nitrogen compound and materials therefrom
    Patent number: 7119179
    Abstract: The high-nitrogen compound of the formula was prepared. Pyrolysis of the compound yields carbon nitrides C2N3 and C3N5. The carbon nitrides vary in their density, texture, and morphology.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: October 10, 2006
    Assignee: Los Alamos National Security, LLC
    Inventors: My Hang V. Huynh, Michael A. Hiskey
  • Preparation of high nitrogen compound and materials therefrom
    Publication number: 20060211565
    Abstract: The high-nitrogen compound of the formula was prepared. Pyrolysis of the compound yields carbon nitrides C2N3 and C3N5. The carbon nitrides vary in their density, texture, and morphology.
    Type: Application
    Filed: March 21, 2005
    Publication date: September 21, 2006
    Inventors: My Hang Huynh, Michael Hiskey
  • Preparation of nanoporous metal foam from high nitrogen transition metal complexes
    Publication number: 20060078454
    Abstract: Nanoporous metal foams are prepared by ignition of high nitrogen transition metal complexes. The ammonium salts of iron(III) tris[bi(tetrazolato)-amine], cobalt(III) tris(bi(tetrazolato)amine), and high nitrogen compounds of copper and silver were prepared as loose powders, pressed into pellets and wafers, and ignited under an inert atmosphere to form nanoporous metal foam monoliths having very high surface area and very low density.
    Type: Application
    Filed: October 12, 2004
    Publication date: April 13, 2006
    Inventors: Bryce Tappan, My Hang Huynh, Michael Hiskey, Steven Son, David Oschwald, David Chavez
  • Lead-free electric match compositions
    Publication number: 20060060272
    Abstract: An electric match including nanoscale particulates of an energetic material and a binder is provided. The energetic material can be a nanoscale thermite metal/metal oxide mixture, a nanoscale intermetallic material mixture, or a nanoscale fuel and oxidant mixture.
    Type: Application
    Filed: September 23, 2004
    Publication date: March 23, 2006
    Inventors: Darren Naud, Steven Son, Michael Hiskey, James Busse, Blaine Asay
  • Primary explosives
    Publication number: 20060030715
    Abstract: The present invention provides a compound of the formula (Cat)+z[M++(5-nitro-1H-tetrazolato-N2)?x(H2O)y] where x is 3 or 4, y is 2 or 3, x+y is 6, z is 1 or 2, and M++ is selected from the group consisting of iron, cobalt, nickel, copper, zinc, chromium, and manganese, and (Cat)+ is selected from the group consisting of ammonium, sodium, potassium, rubidium and cesium. A method of preparing the compound of that formula is also disclosed.
    Type: Application
    Filed: February 10, 2005
    Publication date: February 9, 2006
    Inventors: Michael Hiskey, My Huynh
  • 3,6BIS(1H-1,2,3,4-tetrazol-5-ylamino)-1,2,4,5-tetrazine or salt thereof
    Patent number: 6657059
    Abstract: The compound 3,6-bis(1H-1,2,3,4-tetrazol-5-ylamino)-1,2,4,5-tetrazine and its salts are provided together with a propellant composition including an oxidizer, a binder and 3,6-bis(1H-1,2,3,4-tetrazol-5-ylamino)-1,2,4,5-tetrazine or its salts.
    Type: Grant
    Filed: August 6, 2002
    Date of Patent: December 2, 2003
    Assignee: The Regents of the University of California
    Inventors: Michael A. Hiskey, David E. Chavez, Darren Naud
  • 3,6BIS(1H-1,2,3,4-TETRAZOL-5-YLAMINO)-1,2,4,5-TETRAZINE OR SALT THEREOF
    Publication number: 20030168140
    Abstract: The compound 3,6-bis(1H-1,2,3,4-tetrazol-5-ylamino)-1,2,4,5-tetrazine and its salts are provided together with a propellant composition including an oxidizer, a binder and 3,6-bis(1H-1,2,3,4-tetrazol-5-ylamino)-1,2,4,5-tetrazine or its salts.
    Type: Application
    Filed: August 6, 2002
    Publication date: September 11, 2003
    Inventors: Michael A. Hiskey, David E. Chavez, Darren Naud