Patents by Inventor Juan Manuel Gajardo Sandoval

Juan Manuel Gajardo Sandoval 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).

  • Biosorbents for the extraction of metals
    Patent number: 8748153
    Abstract: A biosorbent for removing cationic and/or anionic metals from aqueous solutions, and a process for the production of the biosorbent. The biosorbent includes bacterial aggregates of Bacillus sp. VCHB-10, deposited as NRRL-B-30881, and treated with polyethyleneimine and glutaraldehyde. Among the metals in their cationic form, the following are considered: cations of Ag, Al, Au, Co, Cd, Cu, Cr, Fe, Hg, Mn, Ni, Pb, Pd, Pt, U, Th and Zn. Among the metals in their anionic form, the following are considered: anions of As, Cr and Mo. Removal or recovery of metals from wastewater using the biosorbent is also described.
    Type: Grant
    Filed: May 11, 2011
    Date of Patent: June 10, 2014
    Assignees: Universidad de Chile, Biotecnologia del Agua Ltda.
    Inventors: Davor Cotoras Tadic, Pabla Viedma, Juan Manuel Gajardo Sandoval
  • BIOSORBENTS FOR THE EXTRACTION OF METALS
    Publication number: 20120024795
    Abstract: A biosorbent for removing cationic and/or anionic metals from aqueous solutions, and a process for the production of the biosorbent. The biosorbent includes bacterial aggregates of Bacillus sp. VCHB-10, deposited as NRRL-B-30881, and treated with polyethyleneimine and glutaraldehyde. Among the metals in their cationic form, the following are considered: cations of Ag, Al, Au, Co, Cd, Cu, Cr, Fe, Hg, Mn, Ni, Pb, Pd, Pt, U, Th and Zn. Among the metals in their anionic form, the following are considered: anions of As, Cr and Mo. Removal or recovery of metals from wastewater using the biosorbent is also described.
    Type: Application
    Filed: May 11, 2011
    Publication date: February 2, 2012
    Applicants: BIOTECNOLOGIA DEL AGUA LTDA., UNIVERSIDAD DE CHILE
    Inventors: Davor Cotoras Tadic, Pabla Viedma, Juan Manuel Gajardo Sandoval