Patents by Inventor Robert John Hisshion

Robert John Hisshion 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 recovery of selenium from minerals and/or acidic solutions
    Patent number: 8361431
    Abstract: A process and method for recovering elemental selenium, selenite or selenate from minerals and selenium salts solutions using a reducing sugar to reduce selenium before precipitating the elemental selenium, selenite and/or the selenate.
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: January 29, 2013
    Assignee: Pacific Rare Specialty Metals & Chemicals, Inc.
    Inventors: Robert John Hisshion, Rosauro C. Manalo
  • Process for the recovery of tellurium from minerals and/or acidic solutions
    Patent number: 8268285
    Abstract: A process and method for recovering elemental tellurium from minerals and acidic solutions using a reducing sugar as the reducing agent in order to reduce and precipitate tellurium as tellurium dioxide (TeO2) from which elemental tellurium may be recovered.
    Type: Grant
    Filed: June 29, 2009
    Date of Patent: September 18, 2012
    Assignee: Pacific Rare Specialty Metals and Chemicals, Inc.
    Inventors: Robert John Hisshion, Crispinne C. Patiño
  • Process for the recovery of selenium from minerals and/or acidic solutions
    Patent number: 8092776
    Abstract: A process and method for recovering elemental selenium, selenite or selenate from minerals and selenium salts solutions using a reducing sugar to reduce selenium before precipitating the elemental selenium, selenite and/or the selenate.
    Type: Grant
    Filed: August 13, 2010
    Date of Patent: January 10, 2012
    Assignee: Pacific Rare Specialty Metals and Chemicals, Inc.
    Inventors: Robert John Hisshion, Rosauro C. Manalo
  • PROCESS FOR THE RECOVERY OF SELENIUM FROM MINERALS AND/OR ACIDIC SOLUTIONS
    Publication number: 20100329968
    Abstract: A process and method for recovering elemental selenium, selenite or selenate from minerals and selenium salts solutions using a reducing sugar to reduce selenium before precipitating the elemental selenium, selenite and/or the selenate.
    Type: Application
    Filed: June 29, 2009
    Publication date: December 30, 2010
    Inventors: ROBERT JOHN HISSHION, Rosauro C. Manalo
  • PROCESS FOR THE RECOVERY OF SELENIUM FROM MINERALS AND/OR ACIDIC SOLUTIONS
    Publication number: 20100329969
    Abstract: A process and method for recovering elemental selenium, selenite or selenate from minerals and selenium salts solutions using a reducing sugar to reduce selenium before precipitating the elemental selenium, selenite and/or the selenate.
    Type: Application
    Filed: August 13, 2010
    Publication date: December 30, 2010
    Inventors: ROBERT JOHN HISSHION, Rosauro C. Manalo
  • PROCESS FOR THE RECOVERY OF TELLURIUM FROM MINERALS AND/OR ACIDIC SOLUTIONS
    Publication number: 20100326840
    Abstract: A process and method for recovering elemental tellurium from minerals and acidic solutions using a reducing sugar as the reducing agent in order to reduce and precipitate tellurium as tellurium dioxide (TeO2) from which elemental tellurium may be recovered.
    Type: Application
    Filed: June 29, 2009
    Publication date: December 30, 2010
    Inventors: ROBERT JOHN HISSHION, Crispinne C. Patino